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@@ -0,0 +1,55 @@ +package christmas.domain.event; + +import christmas.domain.calendar.Date; +import christmas.domain.calendar.Order; +import christmas.domain.menu.Menu; +import christmas.domain.menu.MenuType; + +public final class FreeGiftEvent implements Event { + + private static final int CHRISTMAS_EVENT_MONTH = 12; + private static final int CHRISTMAS_EVENT_MIN_DAY = 1; + private static final int CHRISTMAS_EVENT_MAX_DAY = 31; + private static final int CHRISTMAS_EVENT_FREE_STANDARD = 120_000; + private static final String CHRISTMAS_EVENT_FREE_QUANTITY = "1"; + private static final String FREE_GIFT_EVENT_TITLE = "์ฆ์ • ์ด๋ฒคํŠธ"; + private Menu benefitGift = new Menu(MenuType.EMPTY.getTitle(), CHRISTMAS_EVENT_FREE_QUANTITY); + private int benefit; + + @Override + public boolean isApplicable(Date date) { + return isEventPeriod(date); + } + + private static boolean isEventPeriod(Date date) { + return date.getMonth() == CHRISTMAS_EVENT_MONTH && + date.getDay() >= CHRISTMAS_EVENT_MIN_DAY + && date.getDay() <= CHRISTMAS_EVENT_MAX_DAY; + } + + @Override + public int calculateDiscount(Date date, Order order) { + int beforeMoney = order.getBeforeMoney(); + if (beforeMoney >= CHRISTMAS_EVENT_FREE_STANDARD) { + MenuType champagne = MenuType.CHAMPAGNE; + benefitGift = new Menu(champagne.getTitle(), CHRISTMAS_EVENT_FREE_QUANTITY); + benefit = champagne.getPrice(); + } + return benefit; + } + + public Menu getBenefitGift() { + return benefitGift; + } + + @Override + public int getBenefit() { + return benefit; + } + + @Override + public String getEventName() { + return FREE_GIFT_EVENT_TITLE; + } + +}
Java
๋ฆฌ๋ทฐ ๊ฐ์‚ฌ๋“œ๋ฆฝ๋‹ˆ๋‹ค :)
@@ -0,0 +1,55 @@ +package christmas.domain.event; + +import christmas.domain.calendar.Date; +import christmas.domain.calendar.Order; +import christmas.domain.menu.Menu; +import christmas.domain.menu.MenuType; + +public final class FreeGiftEvent implements Event { + + private static final int CHRISTMAS_EVENT_MONTH = 12; + private static final int CHRISTMAS_EVENT_MIN_DAY = 1; + private static final int CHRISTMAS_EVENT_MAX_DAY = 31; + private static final int CHRISTMAS_EVENT_FREE_STANDARD = 120_000; + private static final String CHRISTMAS_EVENT_FREE_QUANTITY = "1"; + private static final String FREE_GIFT_EVENT_TITLE = "์ฆ์ • ์ด๋ฒคํŠธ"; + private Menu benefitGift = new Menu(MenuType.EMPTY.getTitle(), CHRISTMAS_EVENT_FREE_QUANTITY); + private int benefit; + + @Override + public boolean isApplicable(Date date) { + return isEventPeriod(date); + } + + private static boolean isEventPeriod(Date date) { + return date.getMonth() == CHRISTMAS_EVENT_MONTH && + date.getDay() >= CHRISTMAS_EVENT_MIN_DAY + && date.getDay() <= CHRISTMAS_EVENT_MAX_DAY; + } + + @Override + public int calculateDiscount(Date date, Order order) { + int beforeMoney = order.getBeforeMoney(); + if (beforeMoney >= CHRISTMAS_EVENT_FREE_STANDARD) { + MenuType champagne = MenuType.CHAMPAGNE; + benefitGift = new Menu(champagne.getTitle(), CHRISTMAS_EVENT_FREE_QUANTITY); + benefit = champagne.getPrice(); + } + return benefit; + } + + public Menu getBenefitGift() { + return benefitGift; + } + + @Override + public int getBenefit() { + return benefit; + } + + @Override + public String getEventName() { + return FREE_GIFT_EVENT_TITLE; + } + +}
Java
๋™์˜ํ•ฉ๋‹ˆ๋‹ค.. ์ฆ์ • ์ด๋ฒคํŠธ๋กœ ์ƒํ’ˆ์„ ์ค˜์„œ, ์ด ํ˜œํƒ ๊ธˆ์•ก์—๋„ ์˜ํ–ฅ์„ ๋ฏธ์น˜์ง€ ์•Š๋”๋ผ๊ตฌ์š”.. ํ˜„์žฌ Event์—์„œ 5๊ฐ€์ง€ ์ด๋ฒคํŠธ๋ฅผ ์ œํ•œํ•˜์—ฌ ์ƒ์† ๋ฐ›์•„, ๊ฒ€์ฆ, ํ• ์ธ๊ณ„์‚ฐ ์ด๋ผ๋Š” ๋ฉ”์„œ๋“œ๋ฅผ ์‚ฌ์šฉํ•˜๊ณ ์žˆ์Šต๋‹ˆ๋‹ค. ์—ฌ๊ธฐ์„œ ์ƒดํŽ˜์ธ์„ ์ฃผ๋ฌธํ•œ ํšŒ์›์ด๋ผ๋ฉด ์ฆ์ •์ƒํ’ˆ์„ ๋ฐ›์ง€์•Š๊ณ  ๊ฐ€๊ฒฉํ• ์ธ์— ์ ์šฉ์‹œํ‚ฌ ์ˆ˜ ์žˆ์„ํ…๋ฐ ๋”ฐ๋กœ ๋ฉ”์„œ๋“œ๋ฅผ ๋ถ„๋ฆฌํ•˜์—ฌ ๊ตฌํ˜„ํ•ด์•ผํ• ๊นŒ? ๋ผ๋Š” ์ƒ๊ฐ์— ํ• ์ธ๊ณ„์‚ฐ ๋ฉ”์„œ๋“œ๋ฅผ ๊ทธ๋Œ€๋กœ ๊ฐ€์ ธ์™€์„œ ๊ฐ™์ด ์‚ฌ์šฉํ•ด๋„ ๋œ๋‹ค๊ณ  ํŒ๋‹จํ–ˆ์Šต๋‹ˆ๋‹ค :)
@@ -0,0 +1,65 @@ +package christmas.domain.calendar; + +import java.time.DayOfWeek; +import java.time.LocalDate; +import java.time.format.TextStyle; +import java.util.Locale; + +public class Date { + private static final int VISIT_YEAR = 2023; + private static final int VISIT_MONTH = 12; + private Year year; + private Month month; + private Day day; + private String dayFormat; + + public Date(int day) { + this.year = new Year(VISIT_YEAR); + this.month = new Month(VISIT_MONTH); + this.day = new Day(day); + this.dayFormat = createVisitingDayFormat(); + } + + public String createVisitingDayFormat() { + LocalDate visitDay = createDateTimeFormat(); + DayOfWeek dayOfWeek = visitDay.getDayOfWeek(); + return dayOfWeek.getDisplayName(TextStyle.FULL, Locale.KOREA); + } + + public boolean isWeekend() { + LocalDate visitDay = createDateTimeFormat(); + DayOfWeek dayOfWeek = visitDay.getDayOfWeek(); + return dayOfWeek == DayOfWeek.FRIDAY || dayOfWeek == DayOfWeek.SATURDAY; + } + + public boolean isSunday() { + LocalDate visitDay = createDateTimeFormat(); + DayOfWeek dayOfWeek = visitDay.getDayOfWeek(); + return dayOfWeek == DayOfWeek.SUNDAY; + } + + public LocalDate createDateTimeFormat() { + return LocalDate.of(getYear(), getMonth(), getDay()); + } + + @Override + public String toString() { + return String.format("%s์›” %s์ผ", month.month(), day.day()); + } + + public int getYear() { + return year.year(); + } + + public int getMonth() { + return month.month(); + } + + public int getDay() { + return day.day(); + } + + public String getDayFormat() { + return dayFormat; + } +}
Java
ํฌ์œผ DayOfWeek ๋ฐฐ์›Œ๊ฐ‘๋‹ˆ๋‹ค!
@@ -0,0 +1,20 @@ +package christmas.domain.calendar; + +import static christmas.message.ErrorMessages.INVALID_DATE_RANGE; + +public record Day(int day) { + + private static int MIN_DAY = 1; + private static int EVEN_MONTHS_MAX_DAY = 31; + + public Day { + validateRangeFromDay(day); + } + + private void validateRangeFromDay(int day) { + if (day < MIN_DAY || day > EVEN_MONTHS_MAX_DAY) { + throw new IllegalArgumentException(INVALID_DATE_RANGE.getMessage()); + } + } + +}
Java
Exception์„ enum์œผ๋กœ ๊ด€๋ฆฌํ•ด๋„ ์ข‹์„ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค.
@@ -0,0 +1,57 @@ +package christmas.domain.calendar; + +import christmas.domain.event.ChristmasDailyDiscountEvent; +import christmas.domain.event.Event; +import christmas.domain.event.EventBadge; +import christmas.domain.event.FreeGiftEvent; +import christmas.domain.event.SpecialDiscountEvent; +import christmas.domain.event.WeekdayDiscountEvent; +import christmas.domain.event.WeekendDiscountEvent; +import java.util.Collections; +import java.util.List; + +public class Planner { + + private static final int CHRISTMAS_EVENT_MIN_ORDER_AMOUNT = 10_000; + private static final int START_BENEFIT_AMOUNT = 0; + private final List<Event> events; + private int afterAmount; + private EventBadge eventBadge; + + public Planner(Date date, Order order) { + if (order.getBeforeMoney() < CHRISTMAS_EVENT_MIN_ORDER_AMOUNT) { + this.events = Collections.EMPTY_LIST; + this.afterAmount = START_BENEFIT_AMOUNT; + return; + } + + this.events = List.of( + new ChristmasDailyDiscountEvent(), + new WeekdayDiscountEvent(), + new WeekendDiscountEvent(), + new FreeGiftEvent(), + new SpecialDiscountEvent() + ); + this.afterAmount = calculateBenefits(date, order); + } + + public int calculateBenefits(Date date, Order order) { + + return events.stream() + .filter(event -> event.isApplicable(date)) + .mapToInt(event -> event.calculateDiscount(date, order)) + .sum(); + } + + public List<Event> getEvents() { + return events; + } + + public int getAfterAmount() { + return afterAmount; + } + + public EventBadge getEventBadge() { + return EventBadge.findByBadgeType(afterAmount); + } +}
Java
์˜คํ˜ธ ์—ฌ๊ธฐ์„œ ์ด๋ฒคํŠธ ๊ฐ์ฒด๋ฅผ ๋„ฃ์–ด์„œ ๊ด€๋ฆฌํ•  ์ˆ˜ ์žˆ๋„ค์š”! ์œ ์ง€๋ณด์ˆ˜ํ•˜๊ธฐ ์ข‹์•„ ๋ณด์ž…๋‹ˆ๋‹ค.
@@ -0,0 +1,57 @@ +package christmas.domain.calendar; + +import christmas.domain.event.ChristmasDailyDiscountEvent; +import christmas.domain.event.Event; +import christmas.domain.event.EventBadge; +import christmas.domain.event.FreeGiftEvent; +import christmas.domain.event.SpecialDiscountEvent; +import christmas.domain.event.WeekdayDiscountEvent; +import christmas.domain.event.WeekendDiscountEvent; +import java.util.Collections; +import java.util.List; + +public class Planner { + + private static final int CHRISTMAS_EVENT_MIN_ORDER_AMOUNT = 10_000; + private static final int START_BENEFIT_AMOUNT = 0; + private final List<Event> events; + private int afterAmount; + private EventBadge eventBadge; + + public Planner(Date date, Order order) { + if (order.getBeforeMoney() < CHRISTMAS_EVENT_MIN_ORDER_AMOUNT) { + this.events = Collections.EMPTY_LIST; + this.afterAmount = START_BENEFIT_AMOUNT; + return; + } + + this.events = List.of( + new ChristmasDailyDiscountEvent(), + new WeekdayDiscountEvent(), + new WeekendDiscountEvent(), + new FreeGiftEvent(), + new SpecialDiscountEvent() + ); + this.afterAmount = calculateBenefits(date, order); + } + + public int calculateBenefits(Date date, Order order) { + + return events.stream() + .filter(event -> event.isApplicable(date)) + .mapToInt(event -> event.calculateDiscount(date, order)) + .sum(); + } + + public List<Event> getEvents() { + return events; + } + + public int getAfterAmount() { + return afterAmount; + } + + public EventBadge getEventBadge() { + return EventBadge.findByBadgeType(afterAmount); + } +}
Java
์—ฌ๊ธฐ์„œ ๊ถ๊ธˆํ•œ๊ฒŒ ```java public sealed interface Event permits ChristmasDailyDiscountEvent, WeekdayDiscountEvent, WeekendDiscountEvent, SpecialDiscountEvent, FreeGiftEvent { ... } ``` ์ด๋ ‡๊ฒŒ ๋ช…์‹œํ•ด๋‘์—ˆ๋Š”๋ฐ, List.of ๋ถ€๋ถ„์„ ๋ณ€๊ฒฝํ•˜๋ฉด Event ์ธํ„ฐํŽ˜์ด์Šค๋„ ์ˆ˜์ •ํ•ด์•ผ ํ•˜๋‚˜์š”?
@@ -0,0 +1,55 @@ +package christmas.domain.event; + +import christmas.domain.calendar.Date; +import christmas.domain.calendar.Order; +import christmas.domain.menu.Menu; +import christmas.domain.menu.MenuType; + +public final class FreeGiftEvent implements Event { + + private static final int CHRISTMAS_EVENT_MONTH = 12; + private static final int CHRISTMAS_EVENT_MIN_DAY = 1; + private static final int CHRISTMAS_EVENT_MAX_DAY = 31; + private static final int CHRISTMAS_EVENT_FREE_STANDARD = 120_000; + private static final String CHRISTMAS_EVENT_FREE_QUANTITY = "1"; + private static final String FREE_GIFT_EVENT_TITLE = "์ฆ์ • ์ด๋ฒคํŠธ"; + private Menu benefitGift = new Menu(MenuType.EMPTY.getTitle(), CHRISTMAS_EVENT_FREE_QUANTITY); + private int benefit; + + @Override + public boolean isApplicable(Date date) { + return isEventPeriod(date); + } + + private static boolean isEventPeriod(Date date) { + return date.getMonth() == CHRISTMAS_EVENT_MONTH && + date.getDay() >= CHRISTMAS_EVENT_MIN_DAY + && date.getDay() <= CHRISTMAS_EVENT_MAX_DAY; + } + + @Override + public int calculateDiscount(Date date, Order order) { + int beforeMoney = order.getBeforeMoney(); + if (beforeMoney >= CHRISTMAS_EVENT_FREE_STANDARD) { + MenuType champagne = MenuType.CHAMPAGNE; + benefitGift = new Menu(champagne.getTitle(), CHRISTMAS_EVENT_FREE_QUANTITY); + benefit = champagne.getPrice(); + } + return benefit; + } + + public Menu getBenefitGift() { + return benefitGift; + } + + @Override + public int getBenefit() { + return benefit; + } + + @Override + public String getEventName() { + return FREE_GIFT_EVENT_TITLE; + } + +}
Java
์ €๋Š” ์ฆ์ • ์ด๋ฒคํŠธ์™€ ํ• ์ธ ์ด๋ฒคํŠธ๊ฐ€ ๊ฐ–๋Š” ๊ฐ’์˜ ์ •๋ณด๋„ ๋‹ฌ๋ผ์„œ ๋”ฐ๋กœ ๋ถ„๋ฆฌํ–ˆ์Šต๋‹ˆ๋‹ค. ๋‘ ๊ฐ์ฒด๋ฅผ ๊ด€๋ฆฌํ•˜๋Š” ๊ฐ์ฒด๋ฅผ ๋งŒ๋“ค์–ด ๊ด€๋ฆฌํ–ˆ์Šต๋‹ˆ๋‹ค.
@@ -0,0 +1,16 @@ +package christmas.message; + +public enum ErrorMessages { + INVALID_DATE_RANGE("[ERROR] ์œ ํšจํ•˜์ง€ ์•Š์€ ๋‚ ์งœ์ž…๋‹ˆ๋‹ค. ๋‹ค์‹œ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”."), + INVALID_ORDER_FORMAT("[ERROR] ์œ ํšจํ•˜์ง€ ์•Š์€ ์ฃผ๋ฌธ์ž…๋‹ˆ๋‹ค. ๋‹ค์‹œ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”."); + + private String message; + + ErrorMessages(String message) { + this.message = message; + } + + public String getMessage() { + return message; + } +}
Java
์—ฌ๊ธฐ์„œ ๊ทธ๋ƒฅ Exception์„ throw ํ•˜๋Š” ๊ฒƒ๋„ ์ข‹์•„ ๋ณด์ž…๋‹ˆ๋‹ค.
@@ -0,0 +1,106 @@ +package christmas; + +import christmas.domain.badge.BadgeService; +import christmas.domain.badge.model.Badge; +import christmas.domain.benefit.BenefitService; +import christmas.domain.benefit.model.Benefits; +import christmas.domain.bills.Bills; +import christmas.domain.date.DateService; +import christmas.domain.date.model.PromotionDay; +import christmas.domain.menu.MenuService; +import christmas.domain.menu.model.collection.OrderSheet; +import christmas.exception.handler.ExceptionHandler; +import christmas.view.InputView; +import christmas.view.OutputView; +import java.util.List; +import java.util.function.Supplier; + +public class Controller { + private final DateService dateService = new DateService(); + private final MenuService menuService = new MenuService(); + private final BenefitService benefitService = new BenefitService(); + private final BadgeService badgeService = new BadgeService(); + + private final InputView inputView = new InputView(); + + private final OutputView outputView = new OutputView(); + private final ExceptionHandler handler; + + public Controller(ExceptionHandler handler) { + this.handler = handler; + } + + public void run() { + printHello(); + + PromotionDay promotionDay = getPromotionDay(); + OrderSheet orderSheet = getOrderSheet(); + Benefits benefits = getBenefits(promotionDay, orderSheet); + Badge badge = getBadge(benefits); + + printResult(Bills.builder() + .date(promotionDay.getDate()) + .orderSheet(orderSheet) + .benefits(benefits) + .Badge(badge) + .build()); + } + + private void printHello() { + outputView.sayHello(); + } + + private PromotionDay getPromotionDay() { + return getResultUsingExceptionHandler(() -> { + int visitDate = inputView.getVisitDate(); + return dateService.getPromotionDay(visitDate); + }); + } + + private OrderSheet getOrderSheet() { + return getResultUsingExceptionHandler(() -> { + List<String> orders = inputView.getOrders(); + inputView.closeConsole(); + return menuService.getOrderSheet(orders.toArray(String[]::new)); + }); + } + + private <T> T getResultUsingExceptionHandler(Supplier<T> logic) { + return handler.get(logic, outputView::printException); + } + + private Benefits getBenefits(PromotionDay promotionDay, OrderSheet orderSheet) { + return benefitService.getBenefits(promotionDay, orderSheet); + } + + private Badge getBadge(Benefits benefits) { + return badgeService.getBadge(benefits); + } + + private void printResult(Bills bills) { + outputView.printBenefitTitle(bills.getDate()); + printOrderSheeet(bills.getOrderSheet()); + printBenefits(bills.getBenefits()); + printDiscountedPrice(bills); + printBadge(bills.getBadge()); + } + + private void printOrderSheeet(OrderSheet orderSheet) { + outputView.printOrderMenu(orderSheet); + outputView.printTotalPriceNoDiscount(orderSheet); + } + + private void printBenefits(Benefits benefits) { + outputView.printGifts(benefits); + outputView.printBenefits(benefits); + outputView.printTotalBenefitPrice(benefits); + } + + private void printDiscountedPrice(Bills bills) { + outputView.printDiscountedPrice(bills.getDiscountedPrice()); + } + + private void printBadge(Badge badge) { + outputView.printBadge(badge); + } +}
Java
์ €๋Š” ํ•ญ์ƒ print๋ถ€๋ถ„์ด ์ง€์ €๋ถ„ํ•ด์ ธ์„œ ์–ด๋–ป๊ฒŒ ์ฒ˜๋ฆฌํ• ์ง€ ๊ณ ๋ฏผ์„ ๋งŽ์ดํ–ˆ๋Š”๋ฐ, ์‘ค๋‹˜ ๋ณด๊ณ  ๊ณต๋ถ€ํ•ด์•ผ๊ฒ ์Šต๋‹ˆ๋‹ค ใ…Žใ…Ž ๐Ÿ‘
@@ -0,0 +1,41 @@ +package christmas.domain.badge.model; + +import java.util.Arrays; + +public enum Badge { + NONE("์—†์Œ", 0, 5_000), + STAR("๋ณ„", 5_000, 10_000), + TREE("ํŠธ๋ฆฌ", 10_000, 20_000), + SANTA("์‚ฐํƒ€", 20_000, Integer.MAX_VALUE); + + private static final Badge[] badges = Badge.values(); + private final String name; + private final int minPrice; + private final int maxPrice; + + Badge(String name, int minPrice, int maxPrice) { + this.name = name; + this.minPrice = minPrice; + this.maxPrice = maxPrice; + } + + public static Badge from(int price) { + return Arrays.stream(badges) + .filter(badge -> badge.match(price)) + .findFirst() + .orElse(NONE); + } + + private boolean match(int price) { + return betweenBadgePrice(price); + } + + private boolean betweenBadgePrice(int price) { + int absPrice = Math.abs(price); + return absPrice >= minPrice && absPrice < maxPrice; + } + + public String getName() { + return name; + } +}
Java
์ €์™€ ์œ ์‚ฌํ•˜์ง€๋งŒ ๊ฐ’์˜ ๋ฒ”์œ„๋ฅผ ์ •ํ•ด์ฃผ์‹œ๊ณ  ํƒ์ƒ‰ํ•˜์…จ๊ตฐ์š” !
@@ -0,0 +1,15 @@ +package christmas.domain.benefit.constance; + +public interface BenefitConst { + String GIFT_DESCRIPTION = "์ฆ์ • ์ด๋ฒคํŠธ"; + + int D_DAY_INITIAL_PRICE = 1_000; + int D_DAY_INCREASE_PRICE = 100; + int WEEKDAY_DISCOUNT_PRICE = 2_023; + int WEEKEND_DISCOUNT_PRICE = 2_023; + int SPECIAL_DISCOUNT_PRICE = 1_000; + + int MIN_PRICE_FOR_BENEFIT = 10_000; + + int MIN_PRICE_FOR_CHAMPAGNE = 120_000; +}
Java
์ €๋„ ๋งŽ์€ ๊ณ ๋ฏผ์„ ํ–ˆ์—ˆ๋˜ ๋ถ€๋ถ„์ธ๋ฐ, enum์œผ๋กœ ๊ด€๋ฆฌํ•˜์ง€ ์•Š๊ณ  ์ธํ„ฐํŽ˜์ด์Šค ์•ˆ์—์„œ ์ƒ์ˆ˜๋กœ ๊ด€๋ฆฌํ•˜์‹œ๋Š” ์ด์œ ๊ฐ€ ์žˆ์„๊นŒ์š”?
@@ -0,0 +1,32 @@ +package christmas.domain.benefit; + +import christmas.domain.benefit.constance.BenefitConst; +import christmas.domain.benefit.model.Benefit; +import christmas.domain.benefit.model.Benefits; +import christmas.domain.benefit.model.discount.DiscountFactories; +import christmas.domain.benefit.model.gift.GiftFactories; +import christmas.domain.date.model.PromotionDay; +import christmas.domain.menu.model.collection.OrderSheet; +import java.util.ArrayList; +import java.util.List; + +public class BenefitService { + + public Benefits getBenefits(PromotionDay promotionDay, OrderSheet orderSheet) { + if (orderSheet.getTotalPrice() < BenefitConst.MIN_PRICE_FOR_BENEFIT) { + return new Benefits(List.of()); + } + List<Benefit> benefits = new ArrayList<>(); + benefits.addAll(getGifts(promotionDay, orderSheet)); + benefits.addAll(getDiscounts(promotionDay, orderSheet)); + return new Benefits(benefits); + } + + private List<Benefit> getGifts(PromotionDay promotionDay, OrderSheet orderSheet) { + return GiftFactories.of(promotionDay, orderSheet); + } + + private List<Benefit> getDiscounts(PromotionDay promotionDay, OrderSheet orderSheet) { + return DiscountFactories.of(promotionDay, orderSheet); + } +}
Java
์ฝ”๋“œ๊ฐ€ ์ธ์ƒ์ ์ด๋„ค์š” :)
@@ -0,0 +1,11 @@ +package christmas.domain.benefit.model; + +import christmas.domain.date.model.PromotionDay; +import christmas.domain.menu.model.collection.OrderSheet; + +public interface BenefitFactory { + + boolean canApply(PromotionDay promotionDay, OrderSheet orderSheet); + + Benefit generate(PromotionDay promotionDay, OrderSheet orderSheet); +}
Java
generate๋ผ๋Š” ๋„ค์ด๋ฐ์€ ์ฃผ๋กœ ์–ด๋–ค ์˜๋ฏธ๋ฅผ ์ „๋‹ฌํ•˜๋ ค๊ณ  ํ•˜์‹ค ๋•Œ ์‚ฌ์šฉํ•˜์‹œ๋‚˜์š”?
@@ -0,0 +1,44 @@ +package christmas.domain.benefit.model.discount; + +import christmas.domain.benefit.model.Benefit; +import java.util.Objects; + +public class Discount implements Benefit { + private final DiscountType type; + private final int price; + + Discount(DiscountType type, int price) { + this.type = type; + this.price = price; + } + @Override + public String getDescription() { + return type.getName(); + } + + @Override + public int getBenefitPrice() { + return -price; + } + + DiscountType getType() { + return type; + } + + @Override + public boolean equals(Object o) { + if (this == o) { + return true; + } + if (o == null || getClass() != o.getClass()) { + return false; + } + Discount discount = (Discount) o; + return price == discount.price && type == discount.type; + } + + @Override + public int hashCode() { + return Objects.hash(type, price); + } +}
Java
price๋„ ๊ฐ™์•„์•ผ ํ• ๊นŒ์š”?
@@ -0,0 +1,59 @@ +package christmas.domain.date.model; + +import christmas.domain.date.constance.DateConst; +import christmas.exception.PromotionException; +import java.time.DayOfWeek; +import java.time.LocalDate; +import java.util.Set; + +public class PromotionDay { + + private static final Set<DayOfWeek> weekend = Set.of(DayOfWeek.FRIDAY, DayOfWeek.SATURDAY); + + private static final Set<Integer> specialDay = Set.of(3, 10, 17, 24, 25, 31); + + private static final LocalDate christmas = LocalDate.of(DateConst.YEAR, DateConst.MONTH, 25); + + private final LocalDate localDate; + + private PromotionDay(LocalDate localDate) { + this.localDate = localDate; + } + + public static PromotionDay from(int date) { + validateDate(date); + LocalDate localDate = LocalDate.of(DateConst.YEAR, DateConst.MONTH, date); + return new PromotionDay(localDate); + } + + private static void validateDate(int date) { + if (date < DateConst.DECEMBER_DATE_START || date > DateConst.DECEMBER_DATE_END) { + throw PromotionException.INVALID_DATE.makeException(); + } + } + + public boolean isWeekend() { + return weekend.contains(localDate.getDayOfWeek()); + } + + public boolean isWeekDay() { + return !isWeekend(); + } + + public boolean isSpecialDay() { + int day = this.localDate.getDayOfMonth(); + return specialDay.contains(day); + } + + public int getDDayFromXMax() { + return christmas.compareTo(this.localDate); + } + + public int getDayFromStart() { + return getDate() - 1; + } + + public int getDate() { + return this.localDate.getDayOfMonth(); + } +}
Java
Start day๊ฐ€ ์š”๊ตฌ์‚ฌํ•ญ์— ๋”ฐ๋ผ ๋ณ€๊ฒฝ๋  ์ˆ˜ ์žˆ๋‹ค๊ณ  ์ƒ๊ฐํ•ด์„œ 1์„ ์ƒ์ˆ˜๋กœ ๊ด€๋ฆฌ ํ•ด์คฌ์—ˆ๋Š”๋ฐ, ๋งค์ง ๋„˜๋ฒ„๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ๊ณผ ์ƒ์ˆ˜๋กœ ๊ด€๋ฆฌํ•˜๋Š” ๊ฒƒ์ค‘ ์–ด๋А๊ฒƒ์ด ๋” ๊ดœ์ฐฎ์„๊นŒ์š”??
@@ -0,0 +1,41 @@ +package christmas.domain.badge.model; + +import java.util.Arrays; + +public enum Badge { + NONE("์—†์Œ", 0, 5_000), + STAR("๋ณ„", 5_000, 10_000), + TREE("ํŠธ๋ฆฌ", 10_000, 20_000), + SANTA("์‚ฐํƒ€", 20_000, Integer.MAX_VALUE); + + private static final Badge[] badges = Badge.values(); + private final String name; + private final int minPrice; + private final int maxPrice; + + Badge(String name, int minPrice, int maxPrice) { + this.name = name; + this.minPrice = minPrice; + this.maxPrice = maxPrice; + } + + public static Badge from(int price) { + return Arrays.stream(badges) + .filter(badge -> badge.match(price)) + .findFirst() + .orElse(NONE); + } + + private boolean match(int price) { + return betweenBadgePrice(price); + } + + private boolean betweenBadgePrice(int price) { + int absPrice = Math.abs(price); + return absPrice >= minPrice && absPrice < maxPrice; + } + + public String getName() { + return name; + } +}
Java
์—ด๊ฑฐํ˜• ๊ฐ’๋“ค์„ ์บ์‹ฑํ•ด๋‘๋Š” ์ „๋žต์ด ์ •๋ง ์ข‹์€ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค :) ์ถ”๊ฐ€์ ์œผ๋กœ `Badge[]`๋กœ ๋ฐฐ์ง€๋“ค์„ ์บ์‹ฑํ•ด๋‘” ์ด์œ ๋„ ๊ถ๊ธˆํ•ฉ๋‹ˆ๋‹ค! ์บ์‹ฑ์„ ํ–ˆ์ง€๋งŒ ๋ฐฐ์—ด์ด๊ธฐ ๋•Œ๋ฌธ์— ์–ด์ฉ” ์ˆ˜ ์—†์ด ์ˆœํšŒํ•˜๋Š” ์ž‘์—…์ด ํ•„์š”ํ•œ๋ฐ, ์–ด๋–ค ์ ์„ ์—ผ๋‘ํ•ด์„œ ์บ์‹ฑํ•˜์‹ ๊ฑด์ง€ ๊ถ๊ธˆํ•ด์š”!! ๋งค ๋ฒˆ `.values()`๋ฅผ ํ˜ธ์ถœํ•˜๋Š” ๊ฒƒ์€ ๋น„ํšจ์œจ์ ์ด๋ผ ํŒ๋‹จํ•˜์‹ ๊ฑธ๊นŒ์š”?!
@@ -0,0 +1,41 @@ +package christmas.domain.badge.model; + +import java.util.Arrays; + +public enum Badge { + NONE("์—†์Œ", 0, 5_000), + STAR("๋ณ„", 5_000, 10_000), + TREE("ํŠธ๋ฆฌ", 10_000, 20_000), + SANTA("์‚ฐํƒ€", 20_000, Integer.MAX_VALUE); + + private static final Badge[] badges = Badge.values(); + private final String name; + private final int minPrice; + private final int maxPrice; + + Badge(String name, int minPrice, int maxPrice) { + this.name = name; + this.minPrice = minPrice; + this.maxPrice = maxPrice; + } + + public static Badge from(int price) { + return Arrays.stream(badges) + .filter(badge -> badge.match(price)) + .findFirst() + .orElse(NONE); + } + + private boolean match(int price) { + return betweenBadgePrice(price); + } + + private boolean betweenBadgePrice(int price) { + int absPrice = Math.abs(price); + return absPrice >= minPrice && absPrice < maxPrice; + } + + public String getName() { + return name; + } +}
Java
๋ฐฐ์ง€์˜ ์ตœ์†Ÿ๊ฐ’๊ณผ ์ตœ๋Œ“๊ฐ’์„ ๋ฉค๋ฒ„ ๋ณ€์ˆ˜๋กœ ์„ค์ •ํ•ด์ฃผ๊ณ , Predicate์œผ๋กœ ์ฒ˜๋ฆฌํ•˜๋ฉด ํ•˜๋‚˜์˜ ๋ฉ”์„œ๋“œ๋กœ ์ฒ˜๋ฆฌํ•  ์ˆ˜ ์žˆ๋„ค์š”.. ์ •๋ง ์ข‹์€ ์ฝ”๋“œ์ธ ๊ฒƒ ๊ฐ™์•„์š”! ์ €๋Š” ์ตœ๋Œ“๊ฐ’์„ ์ƒ๊ฐ ๋ชปํ•ด์„œ if ๋ถ„๊ธฐ๋ฌธ์ด ์—ฌ๋Ÿฌ๊ฐœ ๋“ค์–ด๊ฐ”๋Š”๋ฐ, ํ˜์ˆ˜๋‹˜ ์ฝ”๋“œ์ฒ˜๋Ÿผ ๊ฐœ์„ ํ•  ์ˆ˜ ์žˆ์„ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค ๐Ÿ‘
@@ -0,0 +1,41 @@ +package christmas.domain.badge.model; + +import java.util.Arrays; + +public enum Badge { + NONE("์—†์Œ", 0, 5_000), + STAR("๋ณ„", 5_000, 10_000), + TREE("ํŠธ๋ฆฌ", 10_000, 20_000), + SANTA("์‚ฐํƒ€", 20_000, Integer.MAX_VALUE); + + private static final Badge[] badges = Badge.values(); + private final String name; + private final int minPrice; + private final int maxPrice; + + Badge(String name, int minPrice, int maxPrice) { + this.name = name; + this.minPrice = minPrice; + this.maxPrice = maxPrice; + } + + public static Badge from(int price) { + return Arrays.stream(badges) + .filter(badge -> badge.match(price)) + .findFirst() + .orElse(NONE); + } + + private boolean match(int price) { + return betweenBadgePrice(price); + } + + private boolean betweenBadgePrice(int price) { + int absPrice = Math.abs(price); + return absPrice >= minPrice && absPrice < maxPrice; + } + + public String getName() { + return name; + } +}
Java
 NONE์œผ๋กœ ์—†์Œ ์ฒ˜๋ฆฌํ•˜์‹  ๊ฒƒ๋„ ์ข‹์€ ์ ‘๊ทผ ๋ฐฉ๋ฒ•์ด๋ผ ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค :) `Optional`๋„ ๊ณ ๋ คํ•ด๋ณด์‹œ๋ฉด ์ข‹์„ ๊ฒƒ ๊ฐ™์•„์š”! ๊ทธ๋ ‡๊ฒŒ ๋˜๋ฉด from ๋ฉ”์„œ๋“œ๊ฐ€ ์ด๋Ÿฐ์‹์œผ๋กœ ๋ฐ”๋€” ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค. ```java public static Optional<Badge> from(int price) { Optional<Badge> result = Arrays.stream(badges) .filter(badge -> badge.match(price)) .findFirst(); if(result.isPresent()) { return Optional.get(); } return Optional.empty(): } ``` ์ •ํ™•ํžˆ ์–ด๋А ์ง€์ ์—์„œ Optional์„ ์‚ฌ์šฉํ•ด์•ผ ํ•˜๋Š”์ง€, Enum ๋‚ด๋ถ€์—์„œ Optional์„ ์‚ฌ์šฉํ•ด๋„ ๊ดœ์ฐฎ์„์ง€ ์ €๋„ ์•„์ง ๋ช…ํ™•ํ•œ ๊ธฐ์ค€์€ ์—†์ง€๋งŒ **์—†์„ ์ˆ˜๋„ ์žˆ๋‹ค ๋ผ๋Š” ๋น„์ฆˆ๋‹ˆ์Šค ์š”๊ตฌ์‚ฌํ•ญ์„ ์ฝ”๋“œ๋กœ ๋ช…์‹œ** ํ•  ์ˆ˜ ์žˆ๋Š” ์ธก๋ฉด์—์„œ ์•„์ฃผ ๊ฐ•๋ ฅํ•œ ์žฅ์ ์ด ์žˆ๋Š” ๊ฒƒ ๊ฐ™์•„์š” :) ๊ทธ๋ƒฅ ์ฐธ๊ณ  ์ •๋„๋งŒ ํ•˜์‹œ๋ฉด ์ข‹์„ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค ๐Ÿ˜Š
@@ -0,0 +1,32 @@ +package christmas.domain.benefit; + +import christmas.domain.benefit.constance.BenefitConst; +import christmas.domain.benefit.model.Benefit; +import christmas.domain.benefit.model.Benefits; +import christmas.domain.benefit.model.discount.DiscountFactories; +import christmas.domain.benefit.model.gift.GiftFactories; +import christmas.domain.date.model.PromotionDay; +import christmas.domain.menu.model.collection.OrderSheet; +import java.util.ArrayList; +import java.util.List; + +public class BenefitService { + + public Benefits getBenefits(PromotionDay promotionDay, OrderSheet orderSheet) { + if (orderSheet.getTotalPrice() < BenefitConst.MIN_PRICE_FOR_BENEFIT) { + return new Benefits(List.of()); + } + List<Benefit> benefits = new ArrayList<>(); + benefits.addAll(getGifts(promotionDay, orderSheet)); + benefits.addAll(getDiscounts(promotionDay, orderSheet)); + return new Benefits(benefits); + } + + private List<Benefit> getGifts(PromotionDay promotionDay, OrderSheet orderSheet) { + return GiftFactories.of(promotionDay, orderSheet); + } + + private List<Benefit> getDiscounts(PromotionDay promotionDay, OrderSheet orderSheet) { + return DiscountFactories.of(promotionDay, orderSheet); + } +}
Java
if ์กฐ๊ฑด๋ฌธ์€ ๊ฐœ์ธ์ ์œผ๋กœ ๋ฉ”์„œ๋“œ ๋ถ„๋ฆฌํ•˜๋Š” ๊ฒƒ๋„ ๊ดœ์ฐฎ์„ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค! ๊ทธ ์ด์œ ๋Š” 20, 21 line์—์„  ๋ฉ”์„œ๋“œ ํ˜ธ์ถœ์„ ํ†ตํ•ด ๋กœ์ง์„ ์ฒ˜๋ฆฌํ•˜๊ณ  ์žˆ๊ธฐ ๋•Œ๋ฌธ์—, ๋™์ผํ•œ depth๋กœ ํ†ต์ผ์‹œ์ผœ ์ฃผ์‹ ๋‹ค๋ฉด ์กฐ๊ธˆ ๋” ์ฝ๊ธฐ ์ข‹์€ ์ฝ”๋“œ๊ฐ€ ๋  ์ˆ˜ ์žˆ์„ ๊ฒƒ ๊ฐ™์•„์š” :)
@@ -0,0 +1,19 @@ +package christmas.domain.benefit.model.discount; + +public enum DiscountType { + D_DAY("ํฌ๋ฆฌ์Šค๋งˆ์Šค ๋””๋ฐ์ด ํ• ์ธ"), //12์›” 25์ผ์„ ์ง€๋‚˜์ง€ ์•Š์€ ๊ฒฝ์šฐ //๋‚ ์งœ์— ๋”ฐ๋ผ 100์›์”ฉ ์ฆ๊ฐ€ + WEEKDAY("ํ‰์ผ ํ• ์ธ"), //ํ‰์ผ์ธ ๊ฒฝ์šฐ // ๋””์ €ํŠธ ๋ฉ”๋‰ด * ๊ธˆ์•ก + WEEKEND("์ฃผ๋ง ํ• ์ธ"), //์ฃผ๋ง์ธ ๊ฒฝ์šฐ // ๋ฉ”์ธ ๋ฉ”๋‰ด * ๊ธˆ์•ก + SPECIAL("ํŠน๋ณ„ ํ• ์ธ") //์ŠคํŽ˜์…œ ๋ฐ์ด์ธ ๊ฒฝ์šฐ // ๋ฌด์กฐ๊ฑด 1000์› + ; + + private final String name; + + DiscountType(String name) { + this.name = name; + } + + String getName() { + return name; + } +}
Java
์ €๋Š” `ํ• ์ธ ์œ ํ˜•(DiscountType)`, `ํ• ์ธ ์œ ํ˜•์— ๋Œ€ํ•œ ๋‚ ์งœ`, `ํ• ์ธ ์œ ํ˜•์— ๋Œ€ํ•œ ํ• ์ธ ๊ณ„์‚ฐ ๋กœ์ง` ์œ„์˜ 3๊ฐ€์ง€๋Š” DiscountType Enum๊ณผ **์•„์ฃผ ๊ธด๋ฐ€ํ•˜๊ฒŒ ์—ฐ๊ด€๋˜์–ด ์žˆ๋Š” ์ƒ์ˆ˜**๋ผ ์ƒ๊ฐ์ด ๋“ค์—ˆ์Šต๋‹ˆ๋‹ค! ๊ทธ๋ž˜์„œ ์ด๋Ÿฐ์‹์œผ๋กœ DiscountType์„ ๊ตฌํ˜„ํ–ˆ์Šต๋‹ˆ๋‹ค. ```java public enum DiscountType { CHRISTMAS("ํฌ๋ฆฌ์Šค๋งˆ์Šค ๋””๋ฐ์ด ํ• ์ธ", EventDayCalculator.christmasDay(), orderDay -> { final int basicDiscountAmount = 1000; final int discountAmountUnit = 100; return (basicDiscountAmount + discountAmountUnit * (orderDay - 1)) * -1; }), WEEKDAY("ํ‰์ผ ํ• ์ธ", EventDayCalculator.weekDay(), dessertCount -> { final int discountAmountUnit = 2023; return (discountAmountUnit * dessertCount) * -1; }), WEEKEND("์ฃผ๋ง ํ• ์ธ", EventDayCalculator.weekEnd(), mainCourseCount -> { final int discountAmountUnit = 2023; return (discountAmountUnit * mainCourseCount) * -1; }), SPECIAL("ํŠน๋ณ„ ํ• ์ธ", EventDayCalculator.specialDay(), anything -> { return -1000; }); // something ``` ์ด๋ ‡๊ฒŒ ์ฒ˜๋ฆฌ๋ฅผ ํ•˜๋‹ˆ **ํ• ์ธ ์œ ํ˜•์ด๋ผ๋Š” ์ƒํƒœ** ์™€ **๊ณ„์‚ฐ ๋กœ์ง์ด๋ผ๋Š” ํ–‰์œ„** ๋ฅผ ๋ฐ€์ง‘์‹œํ‚ฌ ์ˆ˜ ์žˆ๋Š” ์žฅ์ ์ด ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค. ํ• ์ธ ์œ ํ˜•์ด๋ผ๋Š” ์ƒํƒœ์™€ ๊ณ„์‚ฐ์ด๋ผ๋Š” ํ–‰์œ„๊ฐ€ ์‚ฐ๊ฐœ๋˜์–ด ์žˆ์—ˆ๋Š”๋ฐ, ๋ฐ€์ง‘์‹œํ‚ค๋‹ˆ ๊ต‰์žฅํžˆ ๊ด€๋ฆฌํ•˜๊ธฐ ํŽธํ•˜๋‹ค๋Š” ์ƒ๊ฐ์ด ๋“ค๋”๋ผ๊ตฌ์š”. ์ด๋Ÿฐ ๋ฐฉ๋ฒ•์œผ๋กœ ์งฑ์ˆ˜๋‹˜ ์ฝ”๋“œ๋ฅผ ๋ฆฌํŒฉํ„ฐ๋ง ํ•œ๋‹ค๋ฉด, `BenefitFactory`์˜ `isApply()`๋ฅผ `DiscountType`์ด ๋‚ด๋ถ€์ ์œผ๋กœ ์ฒ˜๋ฆฌํ•  ์ˆ˜ ์žˆ์„ ๊ฒƒ ๊ฐ™๊ณ , ํ• ์ธ ๊ณ„์‚ฐ์„ ์ˆ˜ํ–‰ํ•˜๋ผ๋Š” ๋ช…๋ น ์ฒ˜๋ฆฌ ์—ญํ• ์„ ๋‹ด๋‹นํ•˜๋Š” ํด๋ž˜์Šค๋งŒ ๊ตฌํ˜„ํ•ด์ฃผ๋ฉด ๋  ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค. ๊ทธ๋Ÿผ ์ฝ”๋“œ ๋ณต์žก๋„๊ฐ€ ์กฐ๊ธˆ ์ค„์–ด๋“ค์ง€ ์•Š์„๊นŒ..? ๋ผ๋Š” ๊ฐœ์ธ ์ƒ๊ฐ์ž…๋‹ˆ๋‹ค ใ…Žใ…Žใ…Ž ์ด๋Ÿฐ ๋ฐฉ๋ฒ•์€ ์–ด๋– ์‹ ์ง€ ์งฑ์ˆ˜๋‹˜์˜ ์ƒ๊ฐ์„ ์—ฌ์ญ™๊ณ  ์‹ถ์–ด์š” :)
@@ -0,0 +1,52 @@ +package christmas.domain.menu.model; + +import christmas.exception.PromotionException; +import java.util.Arrays; + +public enum Menu { + + MUSHROOM_SOUP(MenuType.APPETIZER, "์–‘์†ก์ด์ˆ˜ํ”„", 6_000), + TAPAS(MenuType.APPETIZER, "ํƒ€ํŒŒ์Šค", 5_500), + CAESAR_SALAD(MenuType.APPETIZER, "์‹œ์ €์ƒ๋Ÿฌ๋“œ", 8_000), + + T_BONE_STEAK(MenuType.MAIN, "ํ‹ฐ๋ณธ์Šคํ…Œ์ดํฌ", 55_000), + BARBCUE_RIBS(MenuType.MAIN, "๋ฐ”๋น„ํ๋ฆฝ", 54_000), + SEAFOOD_PASTA(MenuType.MAIN, "ํ•ด์‚ฐ๋ฌผํŒŒ์Šคํƒ€", 35_000), + CHRISTMAS_PASTA(MenuType.MAIN, "ํฌ๋ฆฌ์Šค๋งˆ์ŠคํŒŒ์Šคํƒ€", 25_000), + + CHOCOLATE_CAKE(MenuType.DESSERT, "์ดˆ์ฝ”์ผ€์ดํฌ", 15_000), + ICE_CREAM(MenuType.DESSERT, "์•„์ด์Šคํฌ๋ฆผ", 5_000), + + ZERO_COKE(MenuType.DRINK, "์ œ๋กœ์ฝœ๋ผ", 3_000), + RED_WINE(MenuType.DRINK, "๋ ˆ๋“œ์™€์ธ", 60_000), + CHAMPAGNE(MenuType.DRINK, "์ƒดํŽ˜์ธ", 25_000); + + private final MenuType type; + private final String name; + private final int price; + + Menu(MenuType type, String name, int price) { + this.type = type; + this.name = name; + this.price = price; + } + + public static Menu from(String menuName) { + return Arrays.stream(Menu.values()) + .filter(menu -> menu.name.equals(menuName)) + .findFirst() + .orElseThrow(PromotionException.INVALID_ORDER::makeException); + } + + public boolean isTypeOf(MenuType type){ + return this.type.equals(type); + } + + String getName() { + return name; + } + + int getPrice() { + return price; + } +}
Java
Badge Enum์—์„œ `.values()`๋ฅผ `๋ฐฐ์—ด๋กœ ์บ์‹ฑ`ํ•˜์‹  ๊ฒƒ๊ณผ ๊ฐ™์€ ๋งฅ๋ฝ์œผ๋กœ `HashMap์œผ๋กœ ์บ์‹ฑ` ํ•ด๋‘๋Š” ๋ฐฉ๋ฒ•๋„ ์ถ”์ฒœ๋“œ๋ฆฝ๋‹ˆ๋‹ค. Enum์—์„  static ๋ธ”๋ก์„ ์ถ”๊ฐ€ํ•  ์ˆ˜ ์žˆ๋Š”๋ฐ์š”, ์š”๋Ÿฐ์‹์œผ๋กœ ๊ตฌํ˜„ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค! ```java public enum Menu { // ์—ด๊ฑฐํ˜• ์ƒ์ˆ˜๋“ค ... private static final Map<String, Menu> cachedMenu; static { for (Menu menu : values()) { cachedMenu.put(menu.getName(), menu); } } } ``` ์ด๋ ‡๊ฒŒ Map์œผ๋กœ ์บ์‹ฑํ•ด๋‘๋ฉด, ๋งค ๋ฒˆ ์—ด๊ฑฐํ˜• ์ƒ์ˆ˜๋“ค์„ ์ˆœํšŒํ•˜์ง€ ์•Š์•„๋„ ๋˜๋Š” ์žฅ์ ์ด ์žˆ์Šต๋‹ˆ๋‹ค :) ํ•˜์ง€๋งŒ NPE๊ฐ€ ๋ฐœ์ƒํ•  ์œ„ํ—˜์ด ์žˆ๊ธฐ ๋•Œ๋ฌธ์—, Optional์„ ์‚ฌ์šฉํ•ด๋ณด์‹œ๋Š” ๊ฒƒ๋„ ๊ณ ๋ คํ•ด๋ณด์‹œ๋ฉด ์ข‹์„ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค. ๊ทธ๋ ‡๊ฒŒ ํ•˜๋ฉด ```java public static Optional<Menu> from(String menuName) { return Optional.ofNullalbe(cachedMenu.get(menuName); } ``` ์œ„์™€ ๊ฐ™์ด ๋ฆฌํŒฉํ„ฐ๋ง ํ•ด๋ณผ ์ˆ˜ ์žˆ์„ ๊ฒƒ ๊ฐ™์•„์š” :)
@@ -0,0 +1,37 @@ +package christmas.domain.menu.model.collection; + +import christmas.domain.menu.model.MenuAndCount; +import christmas.domain.menu.model.MenuType; +import java.util.Collections; +import java.util.List; + +/** ์ฃผ๋ฌธ ํ™•์ธ์„ ์œ„ํ•œ ๋ถˆ๋ณ€ ์ผ๊ธ‰ ์ปฌ๋ ‰์…˜ ์ž…๋‹ˆ๋‹ค. */ +public class OrderSheet { + private final List<MenuAndCount> orderSheet; + + public OrderSheet(List<MenuAndCount> orderSheet) { + this.orderSheet = orderSheet; + } + + public List<MenuAndCount> getOrderSheet() { + return Collections.unmodifiableList(orderSheet); + } + + public int getTotalPrice() { + return orderSheet.stream() + .mapToInt(MenuAndCount::getTotalPrice) + .sum(); + } + + public boolean hasMenuOfType(MenuType type) { + return orderSheet.stream() + .anyMatch(menuAndCount -> menuAndCount.isTypeOf(type)); + } + + public int getCountOfMenuType(MenuType type) { + return orderSheet.stream() + .filter(menuAndCount -> menuAndCount.isTypeOf(type)) + .mapToInt(MenuAndCount::getCount) + .sum(); + } +}
Java
`OrderSheet`์™€ `Orders`๋ฅผ ๋ถ„๋ฆฌํ•˜์‹  ์ด์œ ๊ฐ€ ๊ถ๊ธˆํ•ฉ๋‹ˆ๋‹ค !
@@ -0,0 +1,10 @@ +package christmas.domain.badge; + +import christmas.domain.badge.model.Badge; +import christmas.domain.benefit.model.Benefits; + +public class BadgeService { + public Badge getBadge(Benefits benefits) { + return Badge.from(benefits.getTotalPrice()); + } +}
Java
ํŒจํ‚ค์ง€ ๊ตฌ์กฐ ์ „๋ฐ˜์— ๋Œ€ํ•œ ์งฑ์ˆ˜๋‹˜์˜ ์˜๊ฒฌ์ด ๊ถ๊ธˆํ•ด์„œ ์งˆ๋ฌธ ๋“œ๋ ค์š”! ์งฑ์ˆ˜๋‹˜์˜ ๊ฒฝ์šฐ ์•„๋ž˜์™€ ๊ฐ™์€ ๊ตฌ์กฐ๋กœ ์ง„ํ–‰ํ•˜์…จ๋”๋ผ๊ตฌ์š”! ``` domain ใ„ด badge ใ„ด ๊ด€๋ จ domain ๊ฐ์ฒด ใ„ด badgeService ใ„ด benefit ใ„ด ๊ด€๋ จ domain ๊ฐ์ฒด ใ„ด benefitService ``` ์ €๋Š” ์ด๋Ÿฐ ๋ฐฉ์‹์œผ๋กœ ๊ตฌํ˜„ํ–ˆ๋Š”๋ฐ์š”! ``` domain ใ„ด badge ใ„ด ๊ด€๋ จ domain ๊ฐ์ฒด ใ„ด benefit ใ„ด ๊ด€๋ จ domain ๊ฐ์ฒด service ใ„ด badgeService ใ„ด benefitService ``` ์ฒ˜์Œ ์ œ ์ƒ๊ฐ์€ `domain layer`๋Š” domain ๊ด€๋ จ ๊ฐ์ฒด๋“ค๋งŒ ๋ชจ์•„ ๋†“๋Š” ๊ณณ์ด๋ผ๊ณ  ์ƒ๊ฐํ•˜์—ฌ ์œ„์™€ ๊ฐ™์ด ๊ตฌํ˜„ํ–ˆ์Šต๋‹ˆ๋‹ค. `Service layer`๋Š” ์ ์ ˆํ•œ domain์—๊ฒŒ ๋ช…๋ น์„ ์š”์ฒญํ•˜๊ณ  ๋ฐ˜ํ™˜ํ•˜๋Š” ๊ตฌ์กฐ์ž…๋‹ˆ๋‹ค. ํ•˜์ง€๋งŒ ์งฑ์ˆ˜๋‹˜์˜ ํŒจํ‚ค์ง€ ๊ตฌ์กฐ๋ฅผ ๋ณด๋‹ˆ `์‘์ง‘๋„๊ฐ€ ๋” ๋†’์•„์งˆ ์ˆ˜ ์žˆ๊ฒ ๊ตฌ๋‚˜` ๋ผ๋Š” ์žฅ์ ์ด ์žˆ๋Š” ๊ฒƒ ๊ฐ™์•„์š”! ํ”„๋กœ๋•ํŠธ ์ง„ํ–‰ํ•˜๋ฉฐ ํŒจํ‚ค์ง€ ๊ตฌ์กฐ๋ฅผ ์œ ๊ธฐ์ ์œผ๋กœ ๋ฐ”๊พธ์–ด ๋‚˜๊ฐ€๋Š”๊ฒŒ ์ค‘์š”ํ•˜๋‹ค๋Š” ์ƒ๊ฐ์ด ์žˆ๋Š”๋ฐ, ์งฑ์ˆ˜๋‹˜์€ ์–ด๋–ค ๊ธฐ์ค€์œผ๋กœ ํŒจํ‚ค์ง€ ๊ตฌ์กฐ๋ฅผ ์œ„์™€ ๊ฐ™์ด ๊ตฌ์กฐํ™”ํ•˜์‹ ๊ฑธ๊นŒ์š”?!
@@ -0,0 +1,59 @@ +package christmas.domain.date.model; + +import christmas.domain.date.constance.DateConst; +import christmas.exception.PromotionException; +import java.time.DayOfWeek; +import java.time.LocalDate; +import java.util.Set; + +public class PromotionDay { + + private static final Set<DayOfWeek> weekend = Set.of(DayOfWeek.FRIDAY, DayOfWeek.SATURDAY); + + private static final Set<Integer> specialDay = Set.of(3, 10, 17, 24, 25, 31); + + private static final LocalDate christmas = LocalDate.of(DateConst.YEAR, DateConst.MONTH, 25); + + private final LocalDate localDate; + + private PromotionDay(LocalDate localDate) { + this.localDate = localDate; + } + + public static PromotionDay from(int date) { + validateDate(date); + LocalDate localDate = LocalDate.of(DateConst.YEAR, DateConst.MONTH, date); + return new PromotionDay(localDate); + } + + private static void validateDate(int date) { + if (date < DateConst.DECEMBER_DATE_START || date > DateConst.DECEMBER_DATE_END) { + throw PromotionException.INVALID_DATE.makeException(); + } + } + + public boolean isWeekend() { + return weekend.contains(localDate.getDayOfWeek()); + } + + public boolean isWeekDay() { + return !isWeekend(); + } + + public boolean isSpecialDay() { + int day = this.localDate.getDayOfMonth(); + return specialDay.contains(day); + } + + public int getDDayFromXMax() { + return christmas.compareTo(this.localDate); + } + + public int getDayFromStart() { + return getDate() - 1; + } + + public int getDate() { + return this.localDate.getDayOfMonth(); + } +}
Java
ํ•˜๋“œ์ฝ”๋”ฉํ•˜์ง€ ์•Š๊ณ ๋„ LocalDate๋ฅผ ํ™œ์šฉํ•˜๋ฉด ๋˜๋Š”๊ตฐ์š”.. ๋ฐฐ์›Œ๊ฐ‘๋‹ˆ๋‹ค ๐Ÿ‘๐Ÿ‘
@@ -0,0 +1,106 @@ +package christmas; + +import christmas.domain.badge.BadgeService; +import christmas.domain.badge.model.Badge; +import christmas.domain.benefit.BenefitService; +import christmas.domain.benefit.model.Benefits; +import christmas.domain.bills.Bills; +import christmas.domain.date.DateService; +import christmas.domain.date.model.PromotionDay; +import christmas.domain.menu.MenuService; +import christmas.domain.menu.model.collection.OrderSheet; +import christmas.exception.handler.ExceptionHandler; +import christmas.view.InputView; +import christmas.view.OutputView; +import java.util.List; +import java.util.function.Supplier; + +public class Controller { + private final DateService dateService = new DateService(); + private final MenuService menuService = new MenuService(); + private final BenefitService benefitService = new BenefitService(); + private final BadgeService badgeService = new BadgeService(); + + private final InputView inputView = new InputView(); + + private final OutputView outputView = new OutputView(); + private final ExceptionHandler handler; + + public Controller(ExceptionHandler handler) { + this.handler = handler; + } + + public void run() { + printHello(); + + PromotionDay promotionDay = getPromotionDay(); + OrderSheet orderSheet = getOrderSheet(); + Benefits benefits = getBenefits(promotionDay, orderSheet); + Badge badge = getBadge(benefits); + + printResult(Bills.builder() + .date(promotionDay.getDate()) + .orderSheet(orderSheet) + .benefits(benefits) + .Badge(badge) + .build()); + } + + private void printHello() { + outputView.sayHello(); + } + + private PromotionDay getPromotionDay() { + return getResultUsingExceptionHandler(() -> { + int visitDate = inputView.getVisitDate(); + return dateService.getPromotionDay(visitDate); + }); + } + + private OrderSheet getOrderSheet() { + return getResultUsingExceptionHandler(() -> { + List<String> orders = inputView.getOrders(); + inputView.closeConsole(); + return menuService.getOrderSheet(orders.toArray(String[]::new)); + }); + } + + private <T> T getResultUsingExceptionHandler(Supplier<T> logic) { + return handler.get(logic, outputView::printException); + } + + private Benefits getBenefits(PromotionDay promotionDay, OrderSheet orderSheet) { + return benefitService.getBenefits(promotionDay, orderSheet); + } + + private Badge getBadge(Benefits benefits) { + return badgeService.getBadge(benefits); + } + + private void printResult(Bills bills) { + outputView.printBenefitTitle(bills.getDate()); + printOrderSheeet(bills.getOrderSheet()); + printBenefits(bills.getBenefits()); + printDiscountedPrice(bills); + printBadge(bills.getBadge()); + } + + private void printOrderSheeet(OrderSheet orderSheet) { + outputView.printOrderMenu(orderSheet); + outputView.printTotalPriceNoDiscount(orderSheet); + } + + private void printBenefits(Benefits benefits) { + outputView.printGifts(benefits); + outputView.printBenefits(benefits); + outputView.printTotalBenefitPrice(benefits); + } + + private void printDiscountedPrice(Bills bills) { + outputView.printDiscountedPrice(bills.getDiscountedPrice()); + } + + private void printBadge(Badge badge) { + outputView.printBadge(badge); + } +}
Java
BIlls๋ผ๋Š” ๋ณ„๋„์˜ ํด๋ž˜์Šค๋ฅผ ๋งŒ๋“ค๊ณ , ๋นŒ๋”๋ฅผ ์ด์šฉํ•˜๋‹ˆ ์ถœ๋ ฅ์ด ์ •๋ง ๊น”๋”ํ•ด์ง€๋„ค์š”! ์ •๋ง ์ข‹์€ ์•„์ด๋””์–ด ๊ฐ™์Šต๋‹ˆ๋‹ค
@@ -0,0 +1,10 @@ +package christmas.domain.badge; + +import christmas.domain.badge.model.Badge; +import christmas.domain.benefit.model.Benefits; + +public class BadgeService { + public Badge getBadge(Benefits benefits) { + return Badge.from(benefits.getTotalPrice()); + } +}
Java
์ €๋„ ์ด ๋ถ€๋ถ„์ด ๊ถ๊ธˆํ•ด์„œ ์ปค๋ฉ˜ํŠธ ๋‚จ๊ธฐ๊ณ  ๊ฐ‘๋‹ˆ๋‹ค! ์ €๋„ june๋‹˜๊ณผ ๊ฐ™์ด ๊ตฌํ˜„ํ–ˆ๋Š”๋ฐ, ์ฝ๋Š” ์ž…์žฅ์—์„œ ๋ณด๋‹ˆ ๋„๋ฉ”์ธ ์ฝ”๋“œ๋ฅผ ์ฝ๊ณ  ์„œ๋น„์Šค ์ฝ”๋“œ๋ฅผ ์ฝ์œผ๋‹ˆ ์ดํ•ด๊ฐ€ ํ›จ์”ฌ ์ˆ˜์›”ํ•˜๋”๋ผ๊ตฌ์š”!
@@ -0,0 +1,41 @@ +package christmas.domain.badge.model; + +import java.util.Arrays; + +public enum Badge { + NONE("์—†์Œ", 0, 5_000), + STAR("๋ณ„", 5_000, 10_000), + TREE("ํŠธ๋ฆฌ", 10_000, 20_000), + SANTA("์‚ฐํƒ€", 20_000, Integer.MAX_VALUE); + + private static final Badge[] badges = Badge.values(); + private final String name; + private final int minPrice; + private final int maxPrice; + + Badge(String name, int minPrice, int maxPrice) { + this.name = name; + this.minPrice = minPrice; + this.maxPrice = maxPrice; + } + + public static Badge from(int price) { + return Arrays.stream(badges) + .filter(badge -> badge.match(price)) + .findFirst() + .orElse(NONE); + } + + private boolean match(int price) { + return betweenBadgePrice(price); + } + + private boolean betweenBadgePrice(int price) { + int absPrice = Math.abs(price); + return absPrice >= minPrice && absPrice < maxPrice; + } + + public String getName() { + return name; + } +}
Java
orElse์— ์ƒ์ˆ˜์™€ ๊ด€๋ จ์—†๋Š” ๊ฐ’์ด ๋“ค์–ด๊ฐ€๋Š” ๊ฒฝ์šฐ๋„ ๋งŽ์ด ๋ดค๋Š”๋ฐ, ์ด ์ฝ”๋“œ์—์„  orElse๋งˆ์ € ์—ญํ• ์ด ๋ถ„๋ช…ํ•ด์„œ ๋„ˆ๋ฌด ์ข‹์€ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค!
@@ -0,0 +1,41 @@ +package christmas.domain.badge.model; + +import java.util.Arrays; + +public enum Badge { + NONE("์—†์Œ", 0, 5_000), + STAR("๋ณ„", 5_000, 10_000), + TREE("ํŠธ๋ฆฌ", 10_000, 20_000), + SANTA("์‚ฐํƒ€", 20_000, Integer.MAX_VALUE); + + private static final Badge[] badges = Badge.values(); + private final String name; + private final int minPrice; + private final int maxPrice; + + Badge(String name, int minPrice, int maxPrice) { + this.name = name; + this.minPrice = minPrice; + this.maxPrice = maxPrice; + } + + public static Badge from(int price) { + return Arrays.stream(badges) + .filter(badge -> badge.match(price)) + .findFirst() + .orElse(NONE); + } + + private boolean match(int price) { + return betweenBadgePrice(price); + } + + private boolean betweenBadgePrice(int price) { + int absPrice = Math.abs(price); + return absPrice >= minPrice && absPrice < maxPrice; + } + + public String getName() { + return name; + } +}
Java
์—ฌ๊ธฐ์„œ ์ ˆ๋Œ“๊ฐ’์„ ์ด์šฉํ•˜์‹  ์ด์œ ๊ฐ€ ๊ถ๊ธˆํ•ฉ๋‹ˆ๋‹ค!!
@@ -0,0 +1,32 @@ +package christmas.domain.benefit; + +import christmas.domain.benefit.constance.BenefitConst; +import christmas.domain.benefit.model.Benefit; +import christmas.domain.benefit.model.Benefits; +import christmas.domain.benefit.model.discount.DiscountFactories; +import christmas.domain.benefit.model.gift.GiftFactories; +import christmas.domain.date.model.PromotionDay; +import christmas.domain.menu.model.collection.OrderSheet; +import java.util.ArrayList; +import java.util.List; + +public class BenefitService { + + public Benefits getBenefits(PromotionDay promotionDay, OrderSheet orderSheet) { + if (orderSheet.getTotalPrice() < BenefitConst.MIN_PRICE_FOR_BENEFIT) { + return new Benefits(List.of()); + } + List<Benefit> benefits = new ArrayList<>(); + benefits.addAll(getGifts(promotionDay, orderSheet)); + benefits.addAll(getDiscounts(promotionDay, orderSheet)); + return new Benefits(benefits); + } + + private List<Benefit> getGifts(PromotionDay promotionDay, OrderSheet orderSheet) { + return GiftFactories.of(promotionDay, orderSheet); + } + + private List<Benefit> getDiscounts(PromotionDay promotionDay, OrderSheet orderSheet) { + return DiscountFactories.of(promotionDay, orderSheet); + } +}
Java
์ฝ”๋“œ๊ฐ€ ๊น”๋”ํ•ด์„œ ์ดํ•ดํ•˜๊ธฐ ์ •๋ง ์‰ฝ์ง€๋งŒ, if๋ฌธ ์•ˆ์˜ ์กฐ๊ฑด์‹์„ "ํ• ์ธ์ด ๋ถˆ๊ฐ€๋Šฅํ•œ๊ฒฝ์šฐ"๋ฅผ ์•”์‹œํ•˜๋Š” ๋ณ„๋„์˜ ๋ฉ”์„œ๋“œ๋กœ ๋ถ„๋ฆฌํ•˜๋ฉด ๋”๋”์šฑ ์ฝ๊ธฐ ์ข‹์•„์งˆ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค!!
@@ -0,0 +1,15 @@ +package christmas.domain.benefit.constance; + +public interface BenefitConst { + String GIFT_DESCRIPTION = "์ฆ์ • ์ด๋ฒคํŠธ"; + + int D_DAY_INITIAL_PRICE = 1_000; + int D_DAY_INCREASE_PRICE = 100; + int WEEKDAY_DISCOUNT_PRICE = 2_023; + int WEEKEND_DISCOUNT_PRICE = 2_023; + int SPECIAL_DISCOUNT_PRICE = 1_000; + + int MIN_PRICE_FOR_BENEFIT = 10_000; + + int MIN_PRICE_FOR_CHAMPAGNE = 120_000; +}
Java
์ €๋„ ์ด ๋ถ€๋ถ„์€ ๊ถ๊ธˆํ•ด์„œ ๋Œ“๊ธ€ ๋‚จ๊ธฐ๊ณ  ๊ฐ‘๋‹ˆ๋‹ค!!
@@ -0,0 +1,40 @@ +package christmas.domain.benefit.model; + +import christmas.domain.benefit.model.discount.Discount; +import christmas.domain.benefit.model.gift.Gifts; +import christmas.domain.menu.model.MenuAndCount; +import java.util.Collections; +import java.util.List; + +public class Benefits { + private final List<Benefit> benefits; + + public Benefits(List<Benefit> benefits) { + this.benefits = benefits; + } + + public List<MenuAndCount> getGifts() { + return benefits.stream() + .filter(benefit -> benefit.getClass().equals(Gifts.class)) + .map(gift -> ((Gifts) gift).getGifts()) + .flatMap(List::stream) + .toList(); + } + + public List<Benefit> getBenefits() { + return Collections.unmodifiableList(benefits); + } + + public int getTotalPrice() { + return benefits.stream() + .mapToInt(Benefit::getBenefitPrice) + .sum(); + } + + public int getDiscountPrice() { + return benefits.stream() + .filter(benefit -> benefit.getClass().equals(Discount.class)) + .mapToInt(Benefit::getBenefitPrice) + .sum(); + } +}
Java
getClass ๋Œ€์‹  instanceOf๋ฅผ ์‚ฌ์šฉํ• ์ˆ˜๋„ ์žˆ์„ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค!
@@ -0,0 +1,40 @@ +package christmas.domain.benefit.model; + +import christmas.domain.benefit.model.discount.Discount; +import christmas.domain.benefit.model.gift.Gifts; +import christmas.domain.menu.model.MenuAndCount; +import java.util.Collections; +import java.util.List; + +public class Benefits { + private final List<Benefit> benefits; + + public Benefits(List<Benefit> benefits) { + this.benefits = benefits; + } + + public List<MenuAndCount> getGifts() { + return benefits.stream() + .filter(benefit -> benefit.getClass().equals(Gifts.class)) + .map(gift -> ((Gifts) gift).getGifts()) + .flatMap(List::stream) + .toList(); + } + + public List<Benefit> getBenefits() { + return Collections.unmodifiableList(benefits); + } + + public int getTotalPrice() { + return benefits.stream() + .mapToInt(Benefit::getBenefitPrice) + .sum(); + } + + public int getDiscountPrice() { + return benefits.stream() + .filter(benefit -> benefit.getClass().equals(Discount.class)) + .mapToInt(Benefit::getBenefitPrice) + .sum(); + } +}
Java
์ด ๋ถ€๋ถ„์—์„œ ์บ์ŠคํŒ… ๋ง๊ณ  ๋” ์ข‹์€ ๋ฐฉ๋ฒ•์ด ์žˆ๋Š”์ง€ ๋‹ค๋ฅธ ๋ฆฌ๋ทฐ์–ด๋ถ„๋“ค์˜ ์˜๊ฒฌ์ด ๊ถ๊ธˆํ•ฉ๋‹ˆ๋‹ค! ์ €๋„ ๊ณ ๋ฏผํ–ˆ๋Š”๋ฐ ๋‹ต์„ ๋ชป ๋‚ด๋ ธ๋„ค์š”
@@ -0,0 +1,92 @@ +package christmas.domain.benefit.model.discount; + +import christmas.domain.benefit.constance.BenefitConst; +import christmas.domain.benefit.model.Benefit; +import christmas.domain.benefit.model.BenefitFactory; +import christmas.domain.date.model.PromotionDay; +import christmas.domain.menu.model.MenuType; +import christmas.domain.menu.model.collection.OrderSheet; +import java.util.Arrays; +import java.util.List; + +/** + * Discount ๋ฅผ ์ƒ์„ฑํ•˜๋Š” ์—ญํ• ๋“ค์„ `enum` ์ƒ์ˆ˜๋กœ ๊ด€๋ฆฌ + */ +public enum DiscountFactories implements BenefitFactory { + + D_DAY_FACTORY(DiscountType.D_DAY) { + @Override + public boolean canApply(PromotionDay promotionDay, OrderSheet orderSheet) { + return promotionDay.getDDayFromXMax() >= 0; + } + + @Override + int getDiscountPrice(PromotionDay promotionDay, OrderSheet orderSheet) { + return BenefitConst.D_DAY_INITIAL_PRICE + + promotionDay.getDayFromStart() * BenefitConst.D_DAY_INCREASE_PRICE; + } + }, + WEEKDAY_FACTORY(DiscountType.WEEKDAY) { + @Override + public boolean canApply(PromotionDay promotionDay, OrderSheet orderSheet) { + return promotionDay.isWeekDay() && + orderSheet.hasMenuOfType(MenuType.DESSERT); + } + + @Override + int getDiscountPrice(PromotionDay promotionDay, OrderSheet orderSheet) { + return orderSheet.getCountOfMenuType(MenuType.DESSERT) * + BenefitConst.WEEKDAY_DISCOUNT_PRICE; + } + }, + WEEKEND_FACTORY(DiscountType.WEEKEND) { + @Override + public boolean canApply(PromotionDay promotionDay, OrderSheet orderSheet) { + return promotionDay.isWeekend() && + orderSheet.hasMenuOfType(MenuType.MAIN); + } + + @Override + int getDiscountPrice(PromotionDay promotionDay, OrderSheet orderSheet) { + return orderSheet.getCountOfMenuType(MenuType.MAIN) * + BenefitConst.WEEKEND_DISCOUNT_PRICE; + } + }, + SPECIAL_FACTORY(DiscountType.SPECIAL) { + @Override + public boolean canApply(PromotionDay promotionDay, OrderSheet orderSheet) { + return promotionDay.isSpecialDay(); + } + + @Override + int getDiscountPrice(PromotionDay promotionDay, OrderSheet orderSheet) { + return BenefitConst.SPECIAL_DISCOUNT_PRICE; + } + }; + + private static final DiscountFactories[] discountFactories = DiscountFactories.values(); + + private final DiscountType type; + + DiscountFactories(DiscountType type) { + this.type = type; + } + + public static List<Benefit> of(PromotionDay promotionDay, OrderSheet orderSheet) { + return Arrays.stream(discountFactories) + .filter(factory -> factory.canApply(promotionDay, orderSheet)) + .map(factory -> factory.generate(promotionDay, orderSheet)) + .toList(); + } + + abstract int getDiscountPrice(PromotionDay promotionDay, OrderSheet orderSheet); + + @Override + public Benefit generate(PromotionDay promotionDay, OrderSheet orderSheet) { + return new Discount(this.getType(), getDiscountPrice(promotionDay, orderSheet)); + } + + private DiscountType getType() { + return type; + } +}
Java
enum๊ณผ ํŒฉํ† ๋ฆฌ๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์€ ์ฒ˜์Œ ๋ณด๋Š”๋ฐ, ์ฝ”๋“œ์˜ ๋ถ„๋Ÿ‰์ด๋‚˜ ์ค‘๋ณต์„ ๋– ๋‚˜์„œ ๊ฐ€๋…์„ฑ ๋ฉด์—์„œ๋Š” ์ •๋ง ํ›Œ๋ฅญํ•œ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค!
@@ -0,0 +1,19 @@ +package christmas.domain.benefit.model.discount; + +public enum DiscountType { + D_DAY("ํฌ๋ฆฌ์Šค๋งˆ์Šค ๋””๋ฐ์ด ํ• ์ธ"), //12์›” 25์ผ์„ ์ง€๋‚˜์ง€ ์•Š์€ ๊ฒฝ์šฐ //๋‚ ์งœ์— ๋”ฐ๋ผ 100์›์”ฉ ์ฆ๊ฐ€ + WEEKDAY("ํ‰์ผ ํ• ์ธ"), //ํ‰์ผ์ธ ๊ฒฝ์šฐ // ๋””์ €ํŠธ ๋ฉ”๋‰ด * ๊ธˆ์•ก + WEEKEND("์ฃผ๋ง ํ• ์ธ"), //์ฃผ๋ง์ธ ๊ฒฝ์šฐ // ๋ฉ”์ธ ๋ฉ”๋‰ด * ๊ธˆ์•ก + SPECIAL("ํŠน๋ณ„ ํ• ์ธ") //์ŠคํŽ˜์…œ ๋ฐ์ด์ธ ๊ฒฝ์šฐ // ๋ฌด์กฐ๊ฑด 1000์› + ; + + private final String name; + + DiscountType(String name) { + this.name = name; + } + + String getName() { + return name; + } +}
Java
์ €๋Š” june๋‹˜์˜ ๋ฐฉ๋ฒ•๋„, zangsu๋‹˜์˜ ๋ฐฉ๋ฒ•๋„ ์ข‹๋‹ค๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค! Factory๋ฅผ ๋ณ„๋„๋กœ ์ •์˜ํ•˜๋‹ˆ ์ฝ”๋“œ๋Ÿ‰ ์ž์ฒด๋Š” ๋งŽ์•„์ง€๊ธด ํ–ˆ์ง€๋งŒ, ๊ฐ ํ• ์ธ ์ƒ์„ฑ์˜ ๋ฐฉ๋ฒ•์ด ๋ช…ํ™•ํ•˜๊ฒŒ ๋“ค์–ด์˜ฌ ์ˆ˜ ์žˆ์—ˆ๋˜ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค!
@@ -0,0 +1,82 @@ +package christmas.controller; + +import java.util.Set; +import java.util.function.Supplier; + +import christmas.domain.event.PresentEvent; +import christmas.dto.result.PresentEventResult; +import christmas.service.EventPlannerService; +import christmas.domain.order.OrderSheet; +import christmas.dto.order.OrderInput; +import christmas.dto.order.VisitDate; +import christmas.dto.result.EventResult; +import christmas.exception.CommonIllegalArgumentException; +import christmas.view.InputView; +import christmas.view.OutputView; + +public class EventPlannerController { + private final EventPlannerService eventPlannerService; + + public EventPlannerController(EventPlannerService eventPlannerService) { + this.eventPlannerService = eventPlannerService; + } + + public void run() { + OutputView.printGreeting(); + + OrderSheet orderSheet = getOrders(); + + OutputView.printStartEventPlanner(orderSheet.getVisitDate()); + + showOrders(orderSheet); + showEventBenefits(orderSheet); + } + + private OrderSheet getOrders() { + VisitDate visitDate = tryUntilInputIsValid(this::getVisitDate); + OrderInput orderInput = tryUntilInputIsValid(this::getOrderInput); + return eventPlannerService.createOrderSheet(visitDate, orderInput); + } + + private VisitDate getVisitDate() { + return new VisitDate(InputView.readVisitDate()); + } + + private OrderInput getOrderInput() { + return new OrderInput(InputView.readOrders()); + } + + private void showOrders(OrderSheet orderSheet) { + OutputView.printOrders(orderSheet.getOrders()); + OutputView.printTotalPayment(orderSheet.getTotalPayment()); + } + + private void showEventBenefits(OrderSheet orderSheet) { + PresentEventResult presentEventResult = eventPlannerService.getSpecificEventResult(orderSheet, PresentEvent.class); + OutputView.printPresentEventResult(presentEventResult); + + Set<EventResult> results = eventPlannerService.getEventResults(orderSheet); + OutputView.printEventResults(results); + + int totalBenefits = eventPlannerService.getTotalBenefits(results); + OutputView.printEventBenefits(totalBenefits); + + int expectedPayment = eventPlannerService.getExpectedPayment(orderSheet); + OutputView.printExpectedPayment(expectedPayment); + + showBadge(totalBenefits); + } + + private void showBadge(int totalBenefits) { + OutputView.printBadgeResult(eventPlannerService.getBadge(totalBenefits)); + } + + private <T> T tryUntilInputIsValid(Supplier<T> function) { + try { + return function.get(); + } catch (CommonIllegalArgumentException e) { + System.out.println(e.getMessage()); + return tryUntilInputIsValid(function); + } + } +}
Java
๋ฐ˜๋ณต ๊ตฌํ˜„ํ•˜์‹ ๊ฑฐ ๋ฉ‹์ง‘๋‹ˆ๋‹ค!
@@ -0,0 +1,29 @@ +package christmas.domain.badge; + +import java.util.Arrays; +import java.util.function.Predicate; + +public enum Badge { + STAR("๋ณ„", benefits -> (5_000 <= benefits && benefits < 10_000)), + TREE("ํŠธ๋ฆฌ", benefits -> (10_000 <= benefits && benefits < 20_000)), + SANTA("์‚ฐํƒ€", benefits -> (20_000 <= benefits)); + + private String name; + private Predicate<Integer> condition; + + Badge(String name, Predicate<Integer> condition) { + this.name = name; + this.condition = condition; + } + + public static Badge of(int benefits) { + return Arrays.stream(Badge.values()) + .filter(badge -> badge.condition.test(benefits)) + .findFirst() + .orElse(null); + } + + public String getName() { + return name; + } +}
Java
- ๊ฐœ์ธ์ ์œผ๋กœ๋Š” NOTHING์ด๋ผ๋Š” enum ๊ฐ์ฒด๋ฅผ ์‚ฌ์šฉํ•˜์‹œ๋Š” ๊ฒƒ์„ ์ถ”์ฒœ๋“œ๋ฆฝ๋‹ˆ๋‹ค. (์ด๊ฑฐ ๋ฉ”์„œ๋“œ๋ฅผ ์‚ฌ์šฉํ•  ๋•Œ null์„ ๋ฐ˜ํ™˜ํ•  ์ˆ˜ ๋„ ์žˆ๋‹ค๋Š” ์ ์„ ๊ฐ„๊ณผํ•  ์ˆ˜ ์žˆ์–ด์š”) - ํ˜น์€ [Optional](https://mangkyu.tistory.com/70)์„ ์‚ฌ์šฉํ•˜์‹œ๋Š” ๊ฒƒ์„ ์ถ”์ฒœ๋“œ๋ฆฝ๋‹ˆ๋‹ค.
@@ -0,0 +1,38 @@ +package christmas.domain.event; + +import java.time.LocalDate; + +import christmas.domain.order.OrderSheet; +import christmas.dto.result.ChristmasDDayEventResult; +import christmas.dto.result.EventResult; + +public class ChristmasDDayEvent extends Event implements Discountable{ + private static final int baseDiscount = 1_000; + private static final int increment = 100; + + public ChristmasDDayEvent(EventType eventType, LocalDate startDate, LocalDate endDate) { + super(eventType, startDate, endDate); + } + + @Override + public boolean isNotSatisfiedBy(OrderSheet orderSheet) { + return isDayOfWeekNotInDuration(orderSheet.getVisitDate()); + } + + @Override + public EventResult getEventBenefits(OrderSheet orderSheet) { + if (isNotSatisfiedBy(orderSheet)) { + return null; + } + + return new ChristmasDDayEventResult(eventType.getName(), calculateDiscount(orderSheet)); + } + + private int calculateDiscount(OrderSheet orderSheet) { + return (baseDiscount + (getDuration(orderSheet) * increment)); + } + + private int getDuration(OrderSheet orderSheet){ + return orderSheet.getVisitDate().getDayOfMonth() - startDate.getDayOfMonth(); + } +}
Java
์œ„์—์„œ๋„ ์–ธ๊ธ‰ํ–ˆ์ง€๋งŒ null์„ ๋ฐ˜ํ™˜ํ•˜์‹ค ๊ฒƒ์ด๋ผ๋ฉด Optional์„ ์‚ฌ์šฉํ•˜์‹œ๋Š” ๊ฒƒ์„ ์ถ”์ฒœ๋“œ๋ฆฝ๋‹ˆ๋‹ค.
@@ -0,0 +1,41 @@ +package christmas.domain.event; + +import java.time.DayOfWeek; +import java.time.LocalDate; + +import christmas.domain.menu.MenuType; +import christmas.domain.order.OrderSheet; +import christmas.dto.result.EventResult; +import christmas.dto.result.WeekendEventResult; + +public class WeekdayEvent extends Event implements Discountable{ + private static final MenuType applicableMenuType = MenuType.DESSERT; + private static final int discount = 2_023; + + public WeekdayEvent(EventType eventType, LocalDate startDate, LocalDate endDate) { + super(eventType, startDate, endDate); + } + + @Override + protected boolean isNotSatisfiedBy(OrderSheet orderSheet) { + return isDayOfWeekNotInDuration(orderSheet.getVisitDate()) || isNotWeekDay(orderSheet.getVisitDate()); + } + + @Override + public EventResult getEventBenefits(OrderSheet orderSheet) { + if (isNotSatisfiedBy(orderSheet)) { + return null; + } + + int benefitSum = orderSheet.getOrders().entrySet().stream() + .filter(order -> order.getKey().getType().equals(applicableMenuType)) + .mapToInt(order -> order.getValue() * discount) + .sum(); + + return new WeekendEventResult(eventType.getName(), benefitSum); + } + + private boolean isNotWeekDay(LocalDate localDate) { + return localDate.getDayOfWeek().equals(DayOfWeek.SATURDAY) || localDate.getDayOfWeek().equals(DayOfWeek.FRIDAY); + } +}
Java
order์—์„œ get~().get~() ํ˜•์‹์œผ๋กœ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์„ ๊ธฐ์ฐจ ์ถฉ๋Œ์ด๋ผ๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ๊ธฐ์ฐจ ์ถฉ๋Œ์€ ๊ฐ์ฒด์ง€ํ–ฅ ํ”„๋กœ๊ทธ๋ž˜๋ฐ์—์„œ ๋งŽ์ด ์ง€์–‘ํ•ฉ๋‹ˆ๋‹ค. order์—์„œ public method๋กœ `boolean isType(Type type)` ๋ฅผ ์ œ๊ณตํ•˜๋Š” ๊ฒƒ์ด ๋” ์ข‹๋‹ค๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค. - ์ฐธ๊ณ  ์ž๋ฃŒ - ํ”„๋ฆฌ์ฝ”์Šค 3์ฃผ์ฐจ ๊ณตํ†ต ํ”ผ๋“œ๋ฐฑ "๊ฐ์ฒด๋Š” ๊ฐ์ฒด์Šค๋Ÿฝ๊ฒŒ ์‚ฌ์šฉํ•œ๋‹ค" - https://hyesun03.github.io/2019/04/01/method-chain-vs-train-wrek/
@@ -0,0 +1,41 @@ +package christmas.domain.event; + +import java.time.DayOfWeek; +import java.time.LocalDate; + +import christmas.domain.menu.MenuType; +import christmas.domain.order.OrderSheet; +import christmas.dto.result.EventResult; +import christmas.dto.result.WeekendEventResult; + +public class WeekdayEvent extends Event implements Discountable{ + private static final MenuType applicableMenuType = MenuType.DESSERT; + private static final int discount = 2_023; + + public WeekdayEvent(EventType eventType, LocalDate startDate, LocalDate endDate) { + super(eventType, startDate, endDate); + } + + @Override + protected boolean isNotSatisfiedBy(OrderSheet orderSheet) { + return isDayOfWeekNotInDuration(orderSheet.getVisitDate()) || isNotWeekDay(orderSheet.getVisitDate()); + } + + @Override + public EventResult getEventBenefits(OrderSheet orderSheet) { + if (isNotSatisfiedBy(orderSheet)) { + return null; + } + + int benefitSum = orderSheet.getOrders().entrySet().stream() + .filter(order -> order.getKey().getType().equals(applicableMenuType)) + .mapToInt(order -> order.getValue() * discount) + .sum(); + + return new WeekendEventResult(eventType.getName(), benefitSum); + } + + private boolean isNotWeekDay(LocalDate localDate) { + return localDate.getDayOfWeek().equals(DayOfWeek.SATURDAY) || localDate.getDayOfWeek().equals(DayOfWeek.FRIDAY); + } +}
Java
๋ฉ”์„œ๋“œ ์ด๋ฆ„์„ `isWeekend()`๋กœ ํ•˜์‹œ๋ฉด ๋” ์ฝ๊ธฐ ์‰ฌ์›Œ์ง‘๋‹ˆ๋‹ค. > notFound, nonDone, notSuccessful ๊ณผ ๊ฐ™์€ ์ด๋ฆ„์€ ๋ณ€์ˆ˜์˜ ๊ฐ’์ด ๋ถ€์ •์ด ๋์„ ๋•Œ ์ฝ๊ธฐ ์–ด๋ ต๋‹ค. ์ฐธ๊ณ  ์ž๋ฃŒ : https://tecoble.techcourse.co.kr/post/2020-04-24-variable_naming/
@@ -0,0 +1,28 @@ +package christmas.dto.order; + +import java.time.DateTimeException; +import java.time.LocalDate; +import java.time.YearMonth; + +import christmas.exception.IllegalDateException; + +public class VisitDate { + private final YearMonth visitYearMonth = YearMonth.of(2023, 12); + private final LocalDate visitDate; + + public VisitDate(int input) { + this.visitDate = convertBy(input); + } + + public LocalDate getVisitDate() { + return this.visitDate; + } + + private LocalDate convertBy(int input) { + try { + return visitYearMonth.atDay(input); + } catch (DateTimeException e) { + throw new IllegalDateException(); + } + } +}
Java
์˜ค! ์ด๋Ÿฐ๊ฒŒ ์žˆ๋Š” ์ค„ ๋ชฐ๋ž๋„ค์š”! ๋ฐฐ์›Œ๊ฐ‘๋‹ˆ๋‹ค!
@@ -1,7 +1,11 @@ package christmas; +import christmas.controller.EventPlannerController; + public class Application { public static void main(String[] args) { - // TODO: ํ”„๋กœ๊ทธ๋žจ ๊ตฌํ˜„ + AppConfig appConfig = new AppConfig(); + EventPlannerController controller = new EventPlannerController(appConfig.createEventPlanner()); + controller.run(); } }
Java
ํ•ด๋‹น ํŒŒ์ผ์—์„œ๋งŒ ๋“ค์—ฌ์“ฐ๊ธฐ๊ฐ€ 4์นธ์ด๊ณ  ๋‹ค๋ฅธ ํŒŒ์ผ์—์„œ๋Š” 8์นธ์ด๋„ค์š”. - ์ฐธ๊ณ  ์ž๋ฃŒ : [Java ์ฝ”๋“œ ์ปจ๋ฒค์…˜](https://github.com/woowacourse/woowacourse-docs/tree/master/styleguide/java) > 4.2 ๋ธ”๋Ÿญ ๋“ค์—ฌ์“ฐ๊ธฐ: +4 ์ŠคํŽ˜์ด์Šค ์ƒˆ ๋ธ”๋ก ๋˜๋Š” ๋ธ”๋ก๊ณผ ์œ ์‚ฌํ•œ ๊ตฌ์กฐ(block-like construct)๊ฐ€ ์—ด๋ฆด ๋•Œ๋งˆ๋‹ค ๋“ค์—ฌ์“ฐ๊ธฐ๊ฐ€ ๋„ค ์นธ์”ฉ ์ฆ๊ฐ€ํ•ฉ๋‹ˆ๋‹ค. ๋ธ”๋ก์ด ๋๋‚˜๋ฉด ๋“ค์—ฌ์“ฐ๊ธฐ๋Š” ์ด์ „ ๋“ค์—ฌ์“ฐ๊ธฐ ๋‹จ๊ณ„๋กœ ๋Œ์•„๊ฐ‘๋‹ˆ๋‹ค. ๋“ค์—ฌ์“ฐ๊ธฐ ๋‹จ๊ณ„๋Š” ๋ธ”๋ก ์ „์ฒด์˜ ์ฝ”๋“œ์™€ ์ฃผ์„ ๋ชจ๋‘์— ์ ์šฉ๋ฉ๋‹ˆ๋‹ค.
@@ -0,0 +1,29 @@ +package christmas.domain.badge; + +import java.util.Arrays; +import java.util.function.Predicate; + +public enum Badge { + STAR("๋ณ„", benefits -> (5_000 <= benefits && benefits < 10_000)), + TREE("ํŠธ๋ฆฌ", benefits -> (10_000 <= benefits && benefits < 20_000)), + SANTA("์‚ฐํƒ€", benefits -> (20_000 <= benefits)); + + private String name; + private Predicate<Integer> condition; + + Badge(String name, Predicate<Integer> condition) { + this.name = name; + this.condition = condition; + } + + public static Badge of(int benefits) { + return Arrays.stream(Badge.values()) + .filter(badge -> badge.condition.test(benefits)) + .findFirst() + .orElse(null); + } + + public String getName() { + return name; + } +}
Java
null ์ฒ˜๋ฆฌ๊ฐ€ ๊ณ ๋ฏผ์ด์—ˆ๋Š”๋ฐ NOTHING์„ ๋ฐ˜ํ™˜ํ•˜๋Š” ๊ฒƒ๋„ ์ข‹์€ ๋ฐฉ๋ฒ•๊ฐ™์•„์š” ๐Ÿ‘
@@ -0,0 +1,41 @@ +package christmas.domain.event; + +import java.time.DayOfWeek; +import java.time.LocalDate; + +import christmas.domain.menu.MenuType; +import christmas.domain.order.OrderSheet; +import christmas.dto.result.EventResult; +import christmas.dto.result.WeekendEventResult; + +public class WeekdayEvent extends Event implements Discountable{ + private static final MenuType applicableMenuType = MenuType.DESSERT; + private static final int discount = 2_023; + + public WeekdayEvent(EventType eventType, LocalDate startDate, LocalDate endDate) { + super(eventType, startDate, endDate); + } + + @Override + protected boolean isNotSatisfiedBy(OrderSheet orderSheet) { + return isDayOfWeekNotInDuration(orderSheet.getVisitDate()) || isNotWeekDay(orderSheet.getVisitDate()); + } + + @Override + public EventResult getEventBenefits(OrderSheet orderSheet) { + if (isNotSatisfiedBy(orderSheet)) { + return null; + } + + int benefitSum = orderSheet.getOrders().entrySet().stream() + .filter(order -> order.getKey().getType().equals(applicableMenuType)) + .mapToInt(order -> order.getValue() * discount) + .sum(); + + return new WeekendEventResult(eventType.getName(), benefitSum); + } + + private boolean isNotWeekDay(LocalDate localDate) { + return localDate.getDayOfWeek().equals(DayOfWeek.SATURDAY) || localDate.getDayOfWeek().equals(DayOfWeek.FRIDAY); + } +}
Java
์˜ค,, ์ด๋ถ€๋ถ„๋„ ๊ตฌํ˜„ํ•˜๋ฉด์„œ ๋งŒ์กฑ์Šค๋Ÿฝ์ง€ ์•Š์•„์„œ ๊ณ ๋ฏผ์ด ๋งŽ์•˜๋Š”๋ฐ ์กฐ์–ธํ•ด์ฃผ์‹  ๋ฐฉ๋ฒ•๋Œ€๋กœ Order ๋‚ด๋ถ€์—์„œ ํ™•์ธํ•˜๋Š”๊ฒŒ ๋” ์ข‹์•˜์„ ๊ฒƒ ๊ฐ™๋„ค์š”.
@@ -1,7 +1,11 @@ package christmas; +import christmas.controller.EventPlannerController; + public class Application { public static void main(String[] args) { - // TODO: ํ”„๋กœ๊ทธ๋žจ ๊ตฌํ˜„ + AppConfig appConfig = new AppConfig(); + EventPlannerController controller = new EventPlannerController(appConfig.createEventPlanner()); + controller.run(); } }
Java
๋ถ„๋ช… 4์นธ์œผ๋กœ ์„ค์ •ํ–ˆ๋Š”๋ฐ ์™œ ์ด๋ ‡๊ฒŒ ๋œ์ง€ ๋ชจ๋ฅด๊ฒ ๋„ค์š” ๐Ÿ˜ญ
@@ -0,0 +1,29 @@ +package christmas.domain.badge; + +import java.util.Arrays; +import java.util.function.Predicate; + +public enum Badge { + STAR("๋ณ„", benefits -> (5_000 <= benefits && benefits < 10_000)), + TREE("ํŠธ๋ฆฌ", benefits -> (10_000 <= benefits && benefits < 20_000)), + SANTA("์‚ฐํƒ€", benefits -> (20_000 <= benefits)); + + private String name; + private Predicate<Integer> condition; + + Badge(String name, Predicate<Integer> condition) { + this.name = name; + this.condition = condition; + } + + public static Badge of(int benefits) { + return Arrays.stream(Badge.values()) + .filter(badge -> badge.condition.test(benefits)) + .findFirst() + .orElse(null); + } + + public String getName() { + return name; + } +}
Java
Predicate๋กœ ๊ตฌํ˜„ํ•˜๋‹ˆ ํ›จ์”ฌ ๊น”๋”ํ•˜๋„ค์š”!
@@ -0,0 +1,26 @@ +package christmas.domain.event; + +import java.time.LocalDate; + +import christmas.domain.order.OrderSheet; +import christmas.dto.result.EventResult; + +public abstract class Event { + EventType eventType; + LocalDate startDate; + LocalDate endDate; + + public Event(EventType eventType, LocalDate startDate, LocalDate endDate) { + this.eventType = eventType; + this.startDate = startDate; + this.endDate = endDate; + } + + protected boolean isDayOfWeekNotInDuration(LocalDate localDate) { + return localDate.isBefore(startDate) || localDate.isAfter(endDate); + } + + protected abstract boolean isNotSatisfiedBy(OrderSheet orderSheet); + + public abstract EventResult getEventBenefits(OrderSheet orderSheet); +}
Java
์ถ”์ƒ ํด๋ž˜์Šค์™€ ์ธํ„ฐํŽ˜์ด์Šค ํ™œ์šฉ์ด ๋ฉ‹์ง€๋„ค์š”! ๋ฐฐ์›Œ๊ฐ‘๋‹ˆ๋‹ค
@@ -0,0 +1,9 @@ +package christmas.exception; + +public class CommonIllegalArgumentException extends IllegalArgumentException { + public static final String EXCEPTION_PREFIX = "[ERROR] %s"; + + public CommonIllegalArgumentException(String message) { + super(String.format(EXCEPTION_PREFIX, message)); + } +}
Java
EXCEPTION_PREFIX, INVALID_ORDER_MESSAGE ๋“ฑ์˜ ์˜ˆ์™ธ ๋ฉ”์‹œ์ง€๋Š” ์—ฌ๋Ÿฌ ํด๋ž˜์Šค์—์„œ ์‚ฌ์šฉ๋˜๋Š”๋ฐ Enum์œผ๋กœ ๊ตฌํ˜„ํ•˜์ง€ ์•Š์œผ์‹  ์ด์œ ๊ฐ€ ๊ถ๊ธˆํ•ฉ๋‹ˆ๋‹ค.
@@ -0,0 +1,9 @@ +package christmas.exception; + +public class CommonIllegalArgumentException extends IllegalArgumentException { + public static final String EXCEPTION_PREFIX = "[ERROR] %s"; + + public CommonIllegalArgumentException(String message) { + super(String.format(EXCEPTION_PREFIX, message)); + } +}
Java
์ƒ์ˆ˜๋“ค์„ ๋ฌด์กฐ๊ฑด ENUM ์œผ๋กœ ๊ด€๋ฆฌํ•˜๊ธฐ๋ณด๋‹ค๋Š” ํ•„์š”ํ•œ ํด๋ž˜์Šค ๋‚ด๋ถ€์— ์œ„์น˜์‹œํ‚ค๋Š”๊ฒŒ ๋งž๋‹ค๊ณ  ์ƒ๊ฐํ•ด์„œ ENUM์œผ๋กœ ๊ตฌํ˜„ํ•˜์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค. ์ €๋„ ์ด ๋ถ€๋ถ„์„ ๋‹ค์‹œ ๋ณด๋ฉด์„œ ๊ณ ๋ฏผ์ด ๋งŽ์•˜๋Š”๋ฐ, ๊ณตํ†ต๋œ ์ถœ๋ ฅ ํ˜•์‹์ด ์žˆ๋‹ค๋ฉด ENUM์œผ๋กœ ๊ด€๋ฆฌํ–ˆ์–ด๋„ ๊ดœ์ฐฎ์•˜์„ ๊ฒƒ ๊ฐ™๋„ค์š” !
@@ -0,0 +1,57 @@ +package christmas.domain.menu; + +import java.util.Arrays; + +import christmas.exception.MenuNotFoundException; + +public enum Menu { + MUSHROOM_SOUP(MenuType.APPETIZER, "์–‘์†ก์ด์ˆ˜ํ”„", 6_000), + TAPAS(MenuType.APPETIZER, "ํƒ€ํŒŒ์Šค", 5_500), + CAESAR_SALAD(MenuType.APPETIZER, "์‹œ์ €์ƒ๋Ÿฌ๋“œ", 8_000), + T_BONE_STEAK(MenuType.MAIN, "ํ‹ฐ๋ณธ์Šคํ…Œ์ดํฌ", 55_000), + BARBECUE_RIB(MenuType.MAIN, "๋ฐ”๋น„ํ๋ฆฝ", 54_000), + SEAFOOD_PASTA(MenuType.MAIN, "ํ•ด์‚ฐ๋ฌผํŒŒ์Šคํƒ€", 35_000), + CHRISTMAS_PASTA(MenuType.MAIN, "ํฌ๋ฆฌ์Šค๋งˆ์ŠคํŒŒ์Šคํƒ€", 25_000), + CHOCOLATE_CAKE(MenuType.DESSERT, "์ดˆ์ฝ”์ผ€์ดํฌ", 15_000), + ICECREAM(MenuType.DESSERT, "์•„์ด์Šคํฌ๋ฆผ", 5_000), + ZERO_COKE(MenuType.DRINK, "์ œ๋กœ์ฝœ๋ผ", 3_000), + RED_WINE(MenuType.DRINK, "๋ ˆ๋“œ์™€์ธ", 60_000), + CHAMPAGNE(MenuType.DRINK, "์ƒดํŽ˜์ธ", 25_000); + private MenuType type; + private String name; + private int price; + + Menu(MenuType type, String name, int price) { + this.type = type; + this.name = name; + this.price = price; + } + + public static Menu from(String input) { + return Arrays.stream(Menu.values()) + .filter(menu -> menu.name.equals(input)) + .findFirst() + .orElseThrow(MenuNotFoundException::new); + } + + public MenuType getType() { + return this.type; + } + + public String getMenuName() { + return this.name; + } + + public int getPrice() { + return this.price; + } + + public int getPayment(int quantity) { + return (this.price * quantity); + } + + public static boolean isMatchTo(String input, MenuType type) { + return Arrays.stream(Menu.values()) + .anyMatch(menu -> menu.name.equals(input) && menu.type.equals(type)); + } +}
Java
enum ์ƒ์ˆ˜๋“ค์ด ์„ธ๋ถ€ ์นดํ…Œ๊ณ ๋ฆฌํ™” ๋  ์ˆ˜ ์žˆ์„ ๋•Œ๋Š” ๊ฐœํ–‰์„ ํ†ตํ•ด ๊ตฌ๋ถ„์‹œ์ผœ ์ฃผ๋ฉด ๊ฐ€๋…์„ฑ์ด ํ›จ์”ฌ ์ข‹์•„์ง‘๋‹ˆ๋‹ค! ```suggestion CAESAR_SALAD(MenuType.APPETIZER, "์‹œ์ €์ƒ๋Ÿฌ๋“œ", 8_000), T_BONE_STEAK(MenuType.MAIN, "ํ‹ฐ๋ณธ์Šคํ…Œ์ดํฌ", 55_000), ```
@@ -0,0 +1,57 @@ +package christmas.domain.menu; + +import java.util.Arrays; + +import christmas.exception.MenuNotFoundException; + +public enum Menu { + MUSHROOM_SOUP(MenuType.APPETIZER, "์–‘์†ก์ด์ˆ˜ํ”„", 6_000), + TAPAS(MenuType.APPETIZER, "ํƒ€ํŒŒ์Šค", 5_500), + CAESAR_SALAD(MenuType.APPETIZER, "์‹œ์ €์ƒ๋Ÿฌ๋“œ", 8_000), + T_BONE_STEAK(MenuType.MAIN, "ํ‹ฐ๋ณธ์Šคํ…Œ์ดํฌ", 55_000), + BARBECUE_RIB(MenuType.MAIN, "๋ฐ”๋น„ํ๋ฆฝ", 54_000), + SEAFOOD_PASTA(MenuType.MAIN, "ํ•ด์‚ฐ๋ฌผํŒŒ์Šคํƒ€", 35_000), + CHRISTMAS_PASTA(MenuType.MAIN, "ํฌ๋ฆฌ์Šค๋งˆ์ŠคํŒŒ์Šคํƒ€", 25_000), + CHOCOLATE_CAKE(MenuType.DESSERT, "์ดˆ์ฝ”์ผ€์ดํฌ", 15_000), + ICECREAM(MenuType.DESSERT, "์•„์ด์Šคํฌ๋ฆผ", 5_000), + ZERO_COKE(MenuType.DRINK, "์ œ๋กœ์ฝœ๋ผ", 3_000), + RED_WINE(MenuType.DRINK, "๋ ˆ๋“œ์™€์ธ", 60_000), + CHAMPAGNE(MenuType.DRINK, "์ƒดํŽ˜์ธ", 25_000); + private MenuType type; + private String name; + private int price; + + Menu(MenuType type, String name, int price) { + this.type = type; + this.name = name; + this.price = price; + } + + public static Menu from(String input) { + return Arrays.stream(Menu.values()) + .filter(menu -> menu.name.equals(input)) + .findFirst() + .orElseThrow(MenuNotFoundException::new); + } + + public MenuType getType() { + return this.type; + } + + public String getMenuName() { + return this.name; + } + + public int getPrice() { + return this.price; + } + + public int getPayment(int quantity) { + return (this.price * quantity); + } + + public static boolean isMatchTo(String input, MenuType type) { + return Arrays.stream(Menu.values()) + .anyMatch(menu -> menu.name.equals(input) && menu.type.equals(type)); + } +}
Java
์ „๋‹ฌ ๋ฐ›๋Š” ๋ฐ์ดํ„ฐ๊ฐ€ ๋ฉ”๋‰ด ์ด๋ฆ„์ด๋ผ๋Š” ๊ฒƒ ์ •๋„๋Š” ์ตœ์†Œํ•œ์œผ๋กœ ์ •๋ณด๋ฅผ ์ œ๊ณตํ•ด ์ค€๋‹ค๋ฉด ํ•ด๋‹น ๋ฉ”์„œ๋“œ์˜ ์ •์˜๋ถ€๋งŒ ๋ณด๊ณ ๋„ ๋ฉ”์„œ๋“œ์˜ ํ–‰๋™์„ ์ถ”๋ก ํ•˜๊ธฐ ๋” ์‰ฌ์›Œ์ง‘๋‹ˆ๋‹ค! ```suggestion public static Menu from(String name) { ```
@@ -0,0 +1,57 @@ +package christmas.domain.menu; + +import java.util.Arrays; + +import christmas.exception.MenuNotFoundException; + +public enum Menu { + MUSHROOM_SOUP(MenuType.APPETIZER, "์–‘์†ก์ด์ˆ˜ํ”„", 6_000), + TAPAS(MenuType.APPETIZER, "ํƒ€ํŒŒ์Šค", 5_500), + CAESAR_SALAD(MenuType.APPETIZER, "์‹œ์ €์ƒ๋Ÿฌ๋“œ", 8_000), + T_BONE_STEAK(MenuType.MAIN, "ํ‹ฐ๋ณธ์Šคํ…Œ์ดํฌ", 55_000), + BARBECUE_RIB(MenuType.MAIN, "๋ฐ”๋น„ํ๋ฆฝ", 54_000), + SEAFOOD_PASTA(MenuType.MAIN, "ํ•ด์‚ฐ๋ฌผํŒŒ์Šคํƒ€", 35_000), + CHRISTMAS_PASTA(MenuType.MAIN, "ํฌ๋ฆฌ์Šค๋งˆ์ŠคํŒŒ์Šคํƒ€", 25_000), + CHOCOLATE_CAKE(MenuType.DESSERT, "์ดˆ์ฝ”์ผ€์ดํฌ", 15_000), + ICECREAM(MenuType.DESSERT, "์•„์ด์Šคํฌ๋ฆผ", 5_000), + ZERO_COKE(MenuType.DRINK, "์ œ๋กœ์ฝœ๋ผ", 3_000), + RED_WINE(MenuType.DRINK, "๋ ˆ๋“œ์™€์ธ", 60_000), + CHAMPAGNE(MenuType.DRINK, "์ƒดํŽ˜์ธ", 25_000); + private MenuType type; + private String name; + private int price; + + Menu(MenuType type, String name, int price) { + this.type = type; + this.name = name; + this.price = price; + } + + public static Menu from(String input) { + return Arrays.stream(Menu.values()) + .filter(menu -> menu.name.equals(input)) + .findFirst() + .orElseThrow(MenuNotFoundException::new); + } + + public MenuType getType() { + return this.type; + } + + public String getMenuName() { + return this.name; + } + + public int getPrice() { + return this.price; + } + + public int getPayment(int quantity) { + return (this.price * quantity); + } + + public static boolean isMatchTo(String input, MenuType type) { + return Arrays.stream(Menu.values()) + .anyMatch(menu -> menu.name.equals(input) && menu.type.equals(type)); + } +}
Java
๋ฉ”๋‰ด๊ฐ€ ์–ด๋–ค ํƒ€์ž…์ธ์ง€ ํŒ๋‹จํ•˜๋Š” ๊ฒƒ์€ ๋ฉ”๋‰ด ํด๋ž˜์Šค์˜ ์ฑ…์ž„์ด๋ผ๊ณ  ์ƒ๊ฐํ•ด์š”. getter๋ฅผ ๋งŒ๋“œ๋Š” ๋Œ€์‹  `boolean isTypeOf(MenuType expectedType)` ๊ณผ ๊ฐ™์€ ๋ฉ”์„œ๋“œ๋ฅผ ๊ตฌํ˜„ํ•ด ๋ณด๋Š” ๊ฑด ์–ด๋–จ๊นŒ์š”? ํ•ด๋‹น ํด๋ž˜์Šค์˜ ์บก์Аํ™”๊ฐ€ ๋” ์ž˜ ์ œ๊ณต๋  ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค.
@@ -0,0 +1,36 @@ +package christmas.domain.event; + +import java.time.LocalDate; + +import christmas.domain.menu.Menu; +import christmas.domain.order.OrderSheet; +import christmas.dto.result.EventResult; +import christmas.dto.result.PresentEventResult; + +public class PresentEvent extends Event{ + private final Menu present = Menu.CHAMPAGNE; + private static final int presentQuantity = 1; + private static final int requiredPayment = 120_000; + + public PresentEvent(EventType eventType, LocalDate startDate, LocalDate endDate) { + super(eventType, startDate, endDate); + } + + @Override + protected boolean isNotSatisfiedBy(OrderSheet orderSheet) { + return isDayOfWeekNotInDuration(orderSheet.getVisitDate()) || isLessThanRequiredPayment(orderSheet.getTotalPayment()); + } + + @Override + public EventResult getEventBenefits(OrderSheet orderSheet) { + if (isNotSatisfiedBy(orderSheet)) { + return null; + } + + return new PresentEventResult(eventType.getName(), present.getPrice(), Menu.CHAMPAGNE, presentQuantity); + } + + private boolean isLessThanRequiredPayment(int totalPayment) { + return totalPayment < requiredPayment; + } +}
Java
ํ•œ ์ค„์—์„œ ์ฝ”๋“œ๊ฐ€ ๋„ˆ๋ฌด ๊ธธ์–ด์ง„๋‹ค๋ฉด ์ ์ ˆํžˆ ๊ฐœํ–‰์„ ํ•ด ์ฃผ์–ด ๊ฐ€๋…์„ฑ์„ ๋†’์—ฌ์ค„ ์ˆ˜ ์žˆ๋Š”๋ฐ์š” ๋ณดํ†ต ๋…ผ๋ฆฌ์—ฐ์‚ฐ์ž๋กœ ์ฝ”๋“œ๊ฐ€ ์—ฐ๊ฒฐ๋˜์–ด ์žˆ๋‹ค๋ฉด ๋…ผ๋ฆฌ์—ฐ์‚ฐ์ž ์•ž์—์„œ ๊ฐœํ–‰์„ ์‹œ์ผœ์ฃผ๋Š” ๊ฒƒ์ด ์ผ๋ฐ˜์ ์ด๋ผ ํ•ฉ๋‹ˆ๋‹ค! [๋„ค์ด๋ฒ„ ์บ ํผ์Šค ํ•ต๋ฐ์ด ์ปจ๋ฒค์…˜](https://naver.github.io/hackday-conventions-java/) ```suggestion return isDayOfWeekNotInDuration(orderSheet.getVisitDate()) || isLessThanRequiredPayment(orderSheet.getTotalPayment()); ```
@@ -0,0 +1,28 @@ +package christmas.dto.order; + +import java.time.DateTimeException; +import java.time.LocalDate; +import java.time.YearMonth; + +import christmas.exception.IllegalDateException; + +public class VisitDate { + private final YearMonth visitYearMonth = YearMonth.of(2023, 12); + private final LocalDate visitDate; + + public VisitDate(int input) { + this.visitDate = convertBy(input); + } + + public LocalDate getVisitDate() { + return this.visitDate; + } + + private LocalDate convertBy(int input) { + try { + return visitYearMonth.atDay(input); + } catch (DateTimeException e) { + throw new IllegalDateException(); + } + } +}
Java
ํ•ด๋‹น ํด๋ž˜์Šค๊ฐ€ ๋‚ ์งœ์˜ ์ •๋ณด๋ฅผ ๊ฐ€์ง€๊ณ  ์žˆ๋Š” ๋งŒํผ ์ด ํด๋ž˜์Šค๋Š” DTO์˜ ์—ญํ• ๋งŒ ์ˆ˜ํ–‰ํ•˜๊ธฐ ๋ณด๋‹จ, ํ•ด๋‹น ๋‚ ์งœ๊ฐ€ ์ฃผ๋ง์ธ์ง€ ๋“ฑ์˜ ์ •๋ณด๋ฅผ ์ œ๊ณตํ•˜๋Š” ๋ฉ”์„œ๋“œ๋“ค์ด ๊ตฌํ˜„๋˜์–ด ์žˆ๋Š” ๊ฒƒ์ด ๋” ์ข‹์„ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค. ์ฝ”๋“œ์˜ ์‘์ง‘๋„๊ฐ€ ๋†’์•„์งˆ ์ˆ˜ ์žˆ์„ ๊ฒƒ ๊ฐ™์•„์š”
@@ -0,0 +1,36 @@ +package christmas.domain.event; + +import java.time.LocalDate; + +import christmas.domain.menu.Menu; +import christmas.domain.order.OrderSheet; +import christmas.dto.result.EventResult; +import christmas.dto.result.PresentEventResult; + +public class PresentEvent extends Event{ + private final Menu present = Menu.CHAMPAGNE; + private static final int presentQuantity = 1; + private static final int requiredPayment = 120_000; + + public PresentEvent(EventType eventType, LocalDate startDate, LocalDate endDate) { + super(eventType, startDate, endDate); + } + + @Override + protected boolean isNotSatisfiedBy(OrderSheet orderSheet) { + return isDayOfWeekNotInDuration(orderSheet.getVisitDate()) || isLessThanRequiredPayment(orderSheet.getTotalPayment()); + } + + @Override + public EventResult getEventBenefits(OrderSheet orderSheet) { + if (isNotSatisfiedBy(orderSheet)) { + return null; + } + + return new PresentEventResult(eventType.getName(), present.getPrice(), Menu.CHAMPAGNE, presentQuantity); + } + + private boolean isLessThanRequiredPayment(int totalPayment) { + return totalPayment < requiredPayment; + } +}
Java
ํ›จ์”ฌ ๊น”๋”ํ•ด์ง„ ๊ฒƒ ๊ฐ™๋„ค์š” :) ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค!
@@ -0,0 +1,57 @@ +package christmas.domain.menu; + +import java.util.Arrays; + +import christmas.exception.MenuNotFoundException; + +public enum Menu { + MUSHROOM_SOUP(MenuType.APPETIZER, "์–‘์†ก์ด์ˆ˜ํ”„", 6_000), + TAPAS(MenuType.APPETIZER, "ํƒ€ํŒŒ์Šค", 5_500), + CAESAR_SALAD(MenuType.APPETIZER, "์‹œ์ €์ƒ๋Ÿฌ๋“œ", 8_000), + T_BONE_STEAK(MenuType.MAIN, "ํ‹ฐ๋ณธ์Šคํ…Œ์ดํฌ", 55_000), + BARBECUE_RIB(MenuType.MAIN, "๋ฐ”๋น„ํ๋ฆฝ", 54_000), + SEAFOOD_PASTA(MenuType.MAIN, "ํ•ด์‚ฐ๋ฌผํŒŒ์Šคํƒ€", 35_000), + CHRISTMAS_PASTA(MenuType.MAIN, "ํฌ๋ฆฌ์Šค๋งˆ์ŠคํŒŒ์Šคํƒ€", 25_000), + CHOCOLATE_CAKE(MenuType.DESSERT, "์ดˆ์ฝ”์ผ€์ดํฌ", 15_000), + ICECREAM(MenuType.DESSERT, "์•„์ด์Šคํฌ๋ฆผ", 5_000), + ZERO_COKE(MenuType.DRINK, "์ œ๋กœ์ฝœ๋ผ", 3_000), + RED_WINE(MenuType.DRINK, "๋ ˆ๋“œ์™€์ธ", 60_000), + CHAMPAGNE(MenuType.DRINK, "์ƒดํŽ˜์ธ", 25_000); + private MenuType type; + private String name; + private int price; + + Menu(MenuType type, String name, int price) { + this.type = type; + this.name = name; + this.price = price; + } + + public static Menu from(String input) { + return Arrays.stream(Menu.values()) + .filter(menu -> menu.name.equals(input)) + .findFirst() + .orElseThrow(MenuNotFoundException::new); + } + + public MenuType getType() { + return this.type; + } + + public String getMenuName() { + return this.name; + } + + public int getPrice() { + return this.price; + } + + public int getPayment(int quantity) { + return (this.price * quantity); + } + + public static boolean isMatchTo(String input, MenuType type) { + return Arrays.stream(Menu.values()) + .anyMatch(menu -> menu.name.equals(input) && menu.type.equals(type)); + } +}
Java
ํ™•์‹คํžˆ ์œ„์™€ ๊ฐ™์ด ๊ตฌํ˜„ํ•˜๋Š”๊ฒŒ ์บก์Аํ™” ์ธก๋ฉด์—์„œ ๋” ์ข‹์„ ๊ฒƒ ๊ฐ™๋„ค์š” ๊ผผ๊ผผํ•œ ๋ฆฌ๋ทฐ ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค ๐Ÿ˜„
@@ -0,0 +1,28 @@ +package christmas.dto.order; + +import java.time.DateTimeException; +import java.time.LocalDate; +import java.time.YearMonth; + +import christmas.exception.IllegalDateException; + +public class VisitDate { + private final YearMonth visitYearMonth = YearMonth.of(2023, 12); + private final LocalDate visitDate; + + public VisitDate(int input) { + this.visitDate = convertBy(input); + } + + public LocalDate getVisitDate() { + return this.visitDate; + } + + private LocalDate convertBy(int input) { + try { + return visitYearMonth.atDay(input); + } catch (DateTimeException e) { + throw new IllegalDateException(); + } + } +}
Java
VisitDate ๋‚ด๋ถ€์—์„œ ์ฃผ๋ง์ธ์ง€ ํ™•์ธํ•˜๋Š” ๋ฉ”์„œ๋“œ๊ฐ€ ์žˆ์—ˆ๋‹ค๋ฉด Event ๊ฐ์ฒด ๋‚ด๋ถ€์—์„œ getter๋ฅผ ์‚ฌ์šฉํ•˜์ง€ ์•Š์•„๋„ ๋˜์—ˆ๊ฒ ๋„ค์š” ๐Ÿ‘
@@ -0,0 +1,42 @@ +package christmas.view; + +import static christmas.controller.Parser.parseDate; +import static christmas.controller.Parser.parseMenus; + +import camp.nextstep.edu.missionutils.Console; +import christmas.exception.ErrorMessage; +import christmas.exception.PromotionException; +import java.util.List; + +public class InputView { + private static final String DATE_PATTERN = "[\\d]{1,2}"; + private static final String MENUS_PATTERN = "(([๊ฐ€-ํžฃ]+)-([\\d]{1,2}),)*([๊ฐ€-ํžฃ]+)-([\\d]{1,2})"; + + public int readVisitDate() { + System.out.println("12์›” ์ค‘ ์‹๋‹น ์˜ˆ์ƒ ๋ฐฉ๋ฌธ ๋‚ ์งœ๋Š” ์–ธ์ œ์ธ๊ฐ€์š”? (์ˆซ์ž๋งŒ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”!)"); + String date = Console.readLine(); + validateDateInput(date); + return parseDate(date); + } + + private void validateDateInput(String input) { + if (input.matches(DATE_PATTERN)) { + return; + } + throw new PromotionException(ErrorMessage.INVALID_DATE_MESSAGE); + } + + public List<String> readMenus() { + System.out.println("์ฃผ๋ฌธํ•˜์‹ค ๋ฉ”๋‰ด๋ฅผ ๋ฉ”๋‰ด์™€ ๊ฐœ์ˆ˜๋ฅผ ์•Œ๋ ค ์ฃผ์„ธ์š”. (e.g. ํ•ด์‚ฐ๋ฌผํŒŒ์Šคํƒ€-2,๋ ˆ๋“œ์™€์ธ-1,์ดˆ์ฝ”์ผ€์ดํฌ-1)"); + String menus = Console.readLine().trim(); + validateMenuInput(menus); + return parseMenus(menus, ","); + } + + private void validateMenuInput(String menus) { + if (menus.matches(MENUS_PATTERN)) { + return; + } + throw new PromotionException(ErrorMessage.INVALID_ORDER_MESSAGE); + } +}
Java
์ด๊ฑฐ ํ• ๋ ค๋‹ค๊ฐ€ ํฌ๊ธฐํ–ˆ๋Š”๋ฐ, ์ •๋ง ๋Œ€๋‹จํ•˜์‹ญ๋‹ˆ๋‹ค...
@@ -0,0 +1,21 @@ +package christmas.controller; + +import christmas.dto.MenuCount; +import java.util.Arrays; +import java.util.List; + +public class Parser { + + public static int parseDate(String input) { + return Integer.parseInt(input); + } + + public static List<String> parseMenus(String input, String delimiter) { + return Arrays.stream(input.split(delimiter)).toList(); + } + + public static MenuCount parseMenu(String input, String delimiter) { + String[] split = input.split(delimiter); + return new MenuCount(split[0], Integer.parseInt(split[1])); + } +}
Java
์ €๋Š” Parsing ์ž์ฒด๋ฅผ InputView์—์„œ ํ–ˆ๋Š”๋ฐ, ์ด๊ฑธ Parser๋กœ ๋ถ„๋ฆฌํ•˜์‹  ์ด์œ ๊ฐ€ ์žˆ์œผ์‹ค๊นŒ์š”?
@@ -0,0 +1,112 @@ +package christmas.controller; + +import christmas.domain.Badge; +import christmas.domain.Date; +import christmas.domain.Menus; +import christmas.domain.Order; +import christmas.domain.event.Event; +import christmas.dto.DiscountAmount; +import christmas.dto.MenuCount; +import christmas.exception.PromotionException; +import christmas.view.InputView; +import christmas.view.OutputView; +import java.util.List; +import java.util.Map; + +public class PromotionController { + private final InputView inputView = new InputView(); + private final OutputView outputView = new OutputView(); + private Order order; + + public void run() { + this.order = createOrder(); + showPlan(); + showBadge(); + } + + private Order createOrder() { + Date date = askVisitDate(); + while (true) { + try { + Menus menus = askMenus(); + return new Order(date, menus); + } catch (PromotionException e) { + outputView.printErrorMessage(e); + } + } + } + + private Date askVisitDate() { + while (true) { + try { + return new Date(inputView.readVisitDate()); + } catch (PromotionException e) { + outputView.printErrorMessage(e); + } + } + } + + private Menus askMenus() { + while (true) { + try { + List<String> input = inputView.readMenus(); + Menus menus = new Menus(); + input.stream() + .map(menu -> Parser.parseMenu(menu, "-")) + .forEach(menuCount -> menus.add(menuCount.menu(), menuCount.count())); + return menus; + } catch (PromotionException e) { + outputView.printErrorMessage(e); + } + } + } + + private void showPlan() { + outputView.printPlanHeader(order.getDate()); + showOrder(); + showTotalAmount(); + showGiveaway(); + showBenefitDetails(); + showTotalBenefit(); + showFinalAmount(); + } + + private void showTotalAmount() { + outputView.printTotalAmount(order.totalAmount()); + } + + private void showOrder() { + List<MenuCount> menuCounts = order.getOrderMenu().entrySet() + .stream() + .map(MenuCount::apply) + .toList(); + outputView.printOrder(menuCounts); + } + + private void showGiveaway() { + outputView.printGiveaway(order.giveGiveaway()); + } + + private void showBenefitDetails() { + Map<Event, Integer> details = order.benefitDetails(); + + List<DiscountAmount> discountAmounts = details.entrySet().stream() + .map(DiscountAmount::apply) + .toList(); + outputView.printBenefitDetails(discountAmounts); + } + + private void showTotalBenefit() { + int totalBenefit = order.totalBenefit(); + outputView.printTotalBenefit(totalBenefit); + } + + private void showFinalAmount() { + outputView.printFinalAmount(order.finalAmount()); + } + + private void showBadge() { + Badge badge = Badge.fromBenefit(order.totalBenefit()); + outputView.printBadge(badge.displayName()); + } +}
Java
Meun ์ƒ์„ฑ์‹œ์— ์ธ์ž๋กœ ๋ฐ›๋Š” ๊ฒƒ์ด ๋งŒ๋“ค๊ณ  ๋‚˜์„œ addํ•˜๋Š”๊ฒƒ ๋ณด๋‹ค ์ € ์ข‹๋‹ค๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค. Menu๊ฐ€ add๋˜๊ธฐ ์ „๊นŒ์ง€๋Š” ๋นˆ ๋ฉ”๋‰ด์ธ ์ƒํƒœ๊ฐ€ ์œ ์ง€๋˜๋‹ˆ๊นŒ์š”. ๊ทธ๋ฆฌ๊ณ  ๋ถˆ๋ณ€ ๊ฐ์ฒด ๋ฌธ์ œ๋„ ์žˆ๊ฒ ๋„ค์š”. - ์ฐธ๊ณ  : [๋ธ”๋กœ๊ทธ ๊ธ€](https://velog.io/@conatuseus/Java-Immutable-Object%EB%B6%88%EB%B3%80%EA%B0%9D%EC%B2%B4#immutable-object%EC%9D%98-%EC%9E%A5%EB%8B%A8%EC%A0%90) - ๊ตณ์ด ๊ฐ€๋ณ€๊ฐ์ฒด๋กœ ๋งŒ๋“ค ์ด์œ ๋Š” ์—†์„ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค.
@@ -0,0 +1,85 @@ +package christmas.domain; + +import christmas.domain.menu.Category; +import christmas.domain.menu.Menu; +import christmas.exception.ErrorMessage; +import christmas.exception.PromotionException; +import java.util.EnumMap; +import java.util.Map; +import java.util.Map.Entry; + +public class Menus { + public static final int MIN_MENU_COUNT = 1; + public static final int MAX_ORDER_COUNT = 20; + private final Map<Menu, Integer> menus = new EnumMap<>(Menu.class); + + public Map<Menu, Integer> getMenus() { + return menus; + } + + public void add(String menu, int count) { + validate(menu, count); + menus.put(Menu.fromDescription(menu), count); + } + + private void validate(String menu, int count) { + validateMenuExists(menu); + validateMenuNotDuplicated(menu); + validateCount(count); + validateTotalCount(count); + } + + public boolean isAllInCategory(Category category) { + return menus.keySet().stream() + .map(Menu::category) + .allMatch(c -> c.equals(category)); + } + + public int countByCategory(Category category) { + return menus.keySet().stream() + .filter(key -> category.equals(key.category())) + .mapToInt(menus::get) + .sum(); + } + + public int totalCount() { + return menus.values().stream() + .mapToInt(Integer::intValue) + .sum(); + } + + public int totalAmount() { + return menus.entrySet().stream() + .mapToInt(this::itemPrice) + .sum(); + } + + private int itemPrice(Entry<Menu, Integer> item) { + return item.getKey().price() * item.getValue(); + } + + private void validateMenuExists(String menu) { + if (Menu.exists(menu)) { + return; + } + throw new PromotionException(ErrorMessage.INVALID_ORDER_MESSAGE); + } + + private void validateCount(int count) { + if (count < MIN_MENU_COUNT) { + throw new PromotionException(ErrorMessage.INVALID_ORDER_MESSAGE); + } + } + + private void validateMenuNotDuplicated(String menu) { + if (menus.containsKey(Menu.fromDescription(menu))) { + throw new PromotionException(ErrorMessage.INVALID_ORDER_MESSAGE); + } + } + + private void validateTotalCount(int count) { + if (totalCount() + count > MAX_ORDER_COUNT) { + throw new PromotionException(ErrorMessage.INVALID_ORDER_MESSAGE); + } + } +}
Java
๊ฒ€์ฆ ๊ณผ์ •์„ ๊ฐ ๋ฉ”์„œ๋“œ๋ณ„๋กœ ๋‚˜๋ˆ„์‹  ๊ฒƒ์ด ์ธ์ƒ๊นŠ์Šต๋‹ˆ๋‹ค!
@@ -0,0 +1,74 @@ +package christmas.domain; + +import christmas.domain.event.Event; +import christmas.domain.event.Giveaway; +import christmas.domain.menu.Category; +import christmas.domain.menu.Menu; +import christmas.dto.MenuCount; +import christmas.exception.ErrorMessage; +import christmas.exception.PromotionException; +import java.util.AbstractMap.SimpleEntry; +import java.util.Arrays; +import java.util.LinkedHashMap; +import java.util.Map; +import java.util.Map.Entry; +import java.util.Optional; +import java.util.stream.Collectors; + +public class Order { + private final Menus menus; + private final Date date; + + public Order(Date date, Menus menus) { + validateCategory(menus); + this.date = date; + this.menus = menus; + } + + public int getDate() { + return date.getDate(); + } + + public Map<Menu, Integer> getOrderMenu() { + return menus.getMenus(); + } + + private void validateCategory(Menus menus) { + if (menus.isAllInCategory(Category.BEVERAGE)) { + throw new PromotionException(ErrorMessage.INVALID_ORDER_MESSAGE); + } + } + + public int totalAmount() { + return menus.totalAmount(); + } + + public Optional<MenuCount> giveGiveaway() { + Giveaway giveaway = (Giveaway) Event.GIVEAWAY.policy(); + return giveaway.giveGiveaway(date, menus); + } + + public Map<Event, Integer> benefitDetails() { + return Arrays.stream(Event.values()) + .map(event -> new SimpleEntry<>(event, event.benefitAmount(date, menus))) + .filter(entry -> entry.getValue() < 0) + .collect(Collectors.toMap(Entry::getKey, Entry::getValue, (x, y) -> y, LinkedHashMap::new)); + } + + public int totalBenefit() { + return Arrays.stream(Event.values()) + .mapToInt(event -> event.benefitAmount(date, menus)) + .sum(); + } + + public int totalDiscount() { + return Arrays.stream(Event.values()) + .filter(event -> event != Event.GIVEAWAY) + .mapToInt(event -> event.benefitAmount(date, menus)) + .sum(); + } + + public int finalAmount() { + return totalAmount() + totalDiscount(); + } +}
Java
ํ•ด๋‹น ๊ฒ€์ฆ ๊ณผ์ •์€ Menus์—์„œ ํ•˜๋Š”๊ฒŒ ์–ด๋–จ๊นŒ์š”? Menu ์ž์ฒด๊ฐ€ ์ƒ์„ฑ๋˜์ง€ ์•Š๋„๋ก ํ•˜๋Š” ํŽธ์ด ๊ฐœ์ธ์ ์œผ๋กœ ๋” ์ข‹๋‹ค๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค.
@@ -0,0 +1,33 @@ +package christmas.domain.event; + +import christmas.domain.Date; +import christmas.domain.Menus; +import christmas.domain.menu.Menu; +import christmas.dto.MenuCount; +import java.util.Optional; + +public class Giveaway implements EventPolicy { + private static final int MIN_TOTAL_AMOUNT = 120_000; //shadowing + private static final Menu giveaway = Menu.CHAMPAGNE; + private static final int numGiveaway = 1; + + @Override + public boolean canBeApplied(Date date, Menus menus) { + return menus.totalAmount() >= MIN_TOTAL_AMOUNT; + } + + @Override + public int amount(Date date, Menus menus) { + if (canBeApplied(date, menus)) { + return -1 * numGiveaway * giveaway.price(); + } + return NONE; + } + + public Optional<MenuCount> giveGiveaway(Date date, Menus menus) { + if (canBeApplied(date, menus)) { + return Optional.of(new MenuCount(giveaway.description(), numGiveaway)); + } + return Optional.empty(); + } +}
Java
`//shadowing` ์ฃผ์„์˜ ์˜๋ฏธ๋Š” ๋ฌด์—‡์ผ๊นŒ์š”?
@@ -0,0 +1,42 @@ +package christmas.view; + +import static christmas.controller.Parser.parseDate; +import static christmas.controller.Parser.parseMenus; + +import camp.nextstep.edu.missionutils.Console; +import christmas.exception.ErrorMessage; +import christmas.exception.PromotionException; +import java.util.List; + +public class InputView { + private static final String DATE_PATTERN = "[\\d]{1,2}"; + private static final String MENUS_PATTERN = "(([๊ฐ€-ํžฃ]+)-([\\d]{1,2}),)*([๊ฐ€-ํžฃ]+)-([\\d]{1,2})"; + + public int readVisitDate() { + System.out.println("12์›” ์ค‘ ์‹๋‹น ์˜ˆ์ƒ ๋ฐฉ๋ฌธ ๋‚ ์งœ๋Š” ์–ธ์ œ์ธ๊ฐ€์š”? (์ˆซ์ž๋งŒ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”!)"); + String date = Console.readLine(); + validateDateInput(date); + return parseDate(date); + } + + private void validateDateInput(String input) { + if (input.matches(DATE_PATTERN)) { + return; + } + throw new PromotionException(ErrorMessage.INVALID_DATE_MESSAGE); + } + + public List<String> readMenus() { + System.out.println("์ฃผ๋ฌธํ•˜์‹ค ๋ฉ”๋‰ด๋ฅผ ๋ฉ”๋‰ด์™€ ๊ฐœ์ˆ˜๋ฅผ ์•Œ๋ ค ์ฃผ์„ธ์š”. (e.g. ํ•ด์‚ฐ๋ฌผํŒŒ์Šคํƒ€-2,๋ ˆ๋“œ์™€์ธ-1,์ดˆ์ฝ”์ผ€์ดํฌ-1)"); + String menus = Console.readLine().trim(); + validateMenuInput(menus); + return parseMenus(menus, ","); + } + + private void validateMenuInput(String menus) { + if (menus.matches(MENUS_PATTERN)) { + return; + } + throw new PromotionException(ErrorMessage.INVALID_ORDER_MESSAGE); + } +}
Java
`private static final DATE_REQUEST_MESSAGE = "12์›” ์ค‘ ์‹๋‹น ์˜ˆ์ƒ ๋ฐฉ๋ฌธ ๋‚ ์งœ๋Š” ์–ธ์ œ์ธ๊ฐ€์š”? (์ˆซ์ž๋งŒ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”!)"` ์ด๋ ‡๊ฒŒ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ด ๋” ์ข‹๋‹ค๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค!
@@ -0,0 +1,74 @@ +package christmas.domain; + +import static org.assertj.core.api.Assertions.assertThat; +import static org.assertj.core.api.Assertions.assertThatThrownBy; +import static org.junit.jupiter.api.Assertions.assertDoesNotThrow; + +import christmas.exception.ErrorMessage; +import christmas.exception.PromotionException; +import java.time.DayOfWeek; +import java.util.List; +import java.util.stream.IntStream; +import org.junit.jupiter.api.DisplayName; +import org.junit.jupiter.api.Test; +import org.junit.jupiter.params.ParameterizedTest; +import org.junit.jupiter.params.provider.CsvSource; +import org.junit.jupiter.params.provider.ValueSource; + +class DateTest { + + @DisplayName("๋‚ ์งœ ๋„๋ฉ”์ธ ์ƒ์„ฑ ํ…Œ์ŠคํŠธ") + @Test + void create() { + IntStream.range(1, 32) + .forEach(date -> assertDoesNotThrow(() -> new Date(date))); + } + + @DisplayName("๋‚ ์งœ ๋„๋ฉ”์ธ_๋ฒ”์œ„ ๋ฐ–์˜ ๋‚ ์งœ๋ฉด ์˜ˆ์™ธ ๋ฐœ์ƒ") + @ParameterizedTest + @ValueSource(ints = {0, 32}) + void createOutRange(int date) { + assertThatThrownBy(() -> new Date(date)) + .isInstanceOf(PromotionException.class) + .hasMessage(ErrorMessage.INVALID_DATE_MESSAGE.message()); + } + + @DisplayName("๋‚ ์งœ -> ์š”์ผ ํ…Œ์ŠคํŠธ") + @ParameterizedTest + @CsvSource({"1,FRIDAY", "25,MONDAY", "31,SUNDAY"}) + void dayOfWeek(int date, String expected) { + DayOfWeek dayOfWeek = new Date(date).dayOfWeek(); + + assertThat(dayOfWeek.name()).isEqualTo(expected); + } + + @DisplayName("ํŠน์ •๋‚ ๋“ค์— ํ•ด๋‹น ๋‚ ์งœ๊ฐ€ ํฌํ•จ๋˜๋Š”์ง€ ํ…Œ์ŠคํŠธ") + @ParameterizedTest + @CsvSource({"1,true", "25,false"}) + void isIncluded(int dateSource, boolean expected) { + Date date = new Date(dateSource); + List<Integer> dates = List.of(1, 2); + + assertThat(date.isIncluded(dates)).isEqualTo(expected); + } + + @DisplayName("ํŠน์ • ๊ธฐ๊ฐ„์— ํ•ด๋‹น๋‚ ์งœ๊ฐ€ ํฌํ•จ๋˜๋Š”์ง€ ํ…Œ์ŠคํŠธ") + @ParameterizedTest + @CsvSource({"1,true", "26,false"}) + void isInRange(int dateSource, boolean expected) { + Date date = new Date(dateSource); + + assertThat(date.isInRange(1, 25)) + .isEqualTo(expected); + } + + @DisplayName("ํ•ด๋‹น ๋‚ ์งœ๊ฐ€ ํŠน์ •๋‚ ๋กœ๋ถ€ํ„ฐ ๋ช‡๋ฒˆ์งธ ๋‚ ์ธ์ง€ ๊ตฌํ•˜๋Š” ๊ธฐ๋Šฅ ํ…Œ์ŠคํŠธ") + @ParameterizedTest + @CsvSource({"1,1,0", "31,25,6"}) + void isInRange(int dateSource, int from, int expectedDay) { + Date date = new Date(dateSource); + + assertThat(date.dayFromDate(from)) + .isEqualTo(expectedDay); + } +}
Java
์ „๋ฐ˜์ ์œผ๋กœ ํ…Œ์ŠคํŠธ๋ฅผ ์ฐธ ๊น”๋”ํ•˜๊ฒŒ ์ž‘์„ฑํ•˜์…จ๋„ค์š”! ์ž˜ ๋ฐฐ์šฐ๊ณ  ๊ฐ‘๋‹ˆ๋‹ค!
@@ -0,0 +1,112 @@ +package christmas.controller; + +import christmas.domain.Badge; +import christmas.domain.Date; +import christmas.domain.Menus; +import christmas.domain.Order; +import christmas.domain.event.Event; +import christmas.dto.DiscountAmount; +import christmas.dto.MenuCount; +import christmas.exception.PromotionException; +import christmas.view.InputView; +import christmas.view.OutputView; +import java.util.List; +import java.util.Map; + +public class PromotionController { + private final InputView inputView = new InputView(); + private final OutputView outputView = new OutputView(); + private Order order; + + public void run() { + this.order = createOrder(); + showPlan(); + showBadge(); + } + + private Order createOrder() { + Date date = askVisitDate(); + while (true) { + try { + Menus menus = askMenus(); + return new Order(date, menus); + } catch (PromotionException e) { + outputView.printErrorMessage(e); + } + } + } + + private Date askVisitDate() { + while (true) { + try { + return new Date(inputView.readVisitDate()); + } catch (PromotionException e) { + outputView.printErrorMessage(e); + } + } + } + + private Menus askMenus() { + while (true) { + try { + List<String> input = inputView.readMenus(); + Menus menus = new Menus(); + input.stream() + .map(menu -> Parser.parseMenu(menu, "-")) + .forEach(menuCount -> menus.add(menuCount.menu(), menuCount.count())); + return menus; + } catch (PromotionException e) { + outputView.printErrorMessage(e); + } + } + } + + private void showPlan() { + outputView.printPlanHeader(order.getDate()); + showOrder(); + showTotalAmount(); + showGiveaway(); + showBenefitDetails(); + showTotalBenefit(); + showFinalAmount(); + } + + private void showTotalAmount() { + outputView.printTotalAmount(order.totalAmount()); + } + + private void showOrder() { + List<MenuCount> menuCounts = order.getOrderMenu().entrySet() + .stream() + .map(MenuCount::apply) + .toList(); + outputView.printOrder(menuCounts); + } + + private void showGiveaway() { + outputView.printGiveaway(order.giveGiveaway()); + } + + private void showBenefitDetails() { + Map<Event, Integer> details = order.benefitDetails(); + + List<DiscountAmount> discountAmounts = details.entrySet().stream() + .map(DiscountAmount::apply) + .toList(); + outputView.printBenefitDetails(discountAmounts); + } + + private void showTotalBenefit() { + int totalBenefit = order.totalBenefit(); + outputView.printTotalBenefit(totalBenefit); + } + + private void showFinalAmount() { + outputView.printFinalAmount(order.finalAmount()); + } + + private void showBadge() { + Badge badge = Badge.fromBenefit(order.totalBenefit()); + outputView.printBadge(badge.displayName()); + } +}
Java
๋ฐฉ๋ฌธ ๋‚ ์งœ์™€ ์ฃผ๋ฌธ ๋ฉ”๋‰ด์— ๊ด€ํ•œ ๋„๋ฉ”์ธ์ด ์ปจํŠธ๋กค๋Ÿฌ์— ๋…ธ์ถœ๋˜์–ด์žˆ๋‹ค๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค. ๋น„์ฆˆ๋‹ˆ์Šค ๋กœ์ง์„ ์ฒ˜๋ฆฌํ•˜๋Š” ์„œ๋น„์Šค ๋ ˆ์ด์–ด๋ฅผ ๋งŒ๋“ค์ง€ ์•Š์€ ์ด์œ ๊ฐ€ ์žˆ์œผ์‹ ์ง€ ๊ถ๊ธˆํ•ฉ๋‹ˆ๋‹ค.
@@ -0,0 +1,46 @@ +package christmas.domain; + +import christmas.exception.ErrorMessage; +import christmas.exception.PromotionException; +import java.time.DayOfWeek; +import java.time.LocalDate; +import java.util.List; + +public class Date { + public static final int EVENT_YEAR = 2023; + public static final int EVENT_MONTH = 12; + public static final int MIN_DATE = 1; + public static final int MAX_DATE = 31; + private final int date; + + public Date(int date) { + validate(date); + this.date = date; + } + + public int getDate() { + return date; + } + + private void validate(int date) { + if (date < MIN_DATE || date > MAX_DATE) { + throw new PromotionException(ErrorMessage.INVALID_DATE_MESSAGE); + } + } + + public int dayFromDate(int other) { + return date - other; + } + + public DayOfWeek dayOfWeek() { + return LocalDate.of(EVENT_YEAR, EVENT_MONTH, date).getDayOfWeek(); + } + + public boolean isIncluded(List<Integer> dates) { + return dates.contains(date); + } + + public boolean isInRange(int startInclusive, int endInclusive) { + return startInclusive <= date && date <= endInclusive; + } +}
Java
๋‚ ์งœ๋ฅผ int ํƒ€์ž…์œผ๋กœ ํ•˜์…”์„œ 1์ผ๊ณผ 31์ผ ๋ฒ”์œ„์— ๋Œ€ํ•œ ๊ฒ€์ฆ ๋กœ์ง์„ ์ž‘์„ฑํ•˜์…จ๋„ค์š”. ์•„๋ฌด๋ž˜๋„ ๋ช…๋ฐฑํžˆ ๋‚ ์งœ๋ฅผ ๊ด€๋ฆฌํ•˜๋Š” ํด๋ž˜์Šค๋‹ค๋ณด๋‹ˆ LocalDate๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๋‚ ์งœ๋ฅผ ๊ด€๋ฆฌํ•˜๋ฉด ์ƒ์„ฑ์‹œ ์ž˜๋ชป๋œ ๋‚ ์งœ์ธ ๊ฒฝ์šฐ์— DateTimeException์ด ๋ฐœ์ƒํ•˜๊ณ  ์ด ์—๋Ÿฌ๋ฅผ ์žก์•„์„œ ์ฒ˜๋ฆฌํ•˜์—ฌ ๊ฒ€์ฆํ•˜๋Š” ๋ฐฉ๋ฒ•๋„ ์ ์šฉํ•ด๋ณด์‹œ๋ฉด ์ข€ ๋” ๋ฒ”์šฉ์ ์ธ ๋‚ ์งœ๋ฅผ ๊ด€๋ฆฌํ•  ์ˆ˜ ์žˆ์„ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค.
@@ -0,0 +1,32 @@ +package christmas.domain.event; + +import christmas.domain.Date; +import christmas.domain.Menus; + +public enum Event { + D_DAY_DISCOUNT(new DDayDiscount(), "ํฌ๋ฆฌ์Šค๋งˆ์Šค ๋””๋ฐ์ด ํ• ์ธ"), + WEEKDAY_DISCOUNT(new WeekdayDiscount(), "ํ‰์ผ ํ• ์ธ"), + WEEKEND_DISCOUNT(new WeekendDiscount(), "์ฃผ๋ง ํ• ์ธ"), + SPECIAL_DISCOUNT(new SpecialDiscount(), "ํŠน๋ณ„ ํ• ์ธ"), + GIVEAWAY(new Giveaway(), "์ฆ์ • ์ด๋ฒคํŠธ"); + + private final EventPolicy policy; + private final String description; + + Event(EventPolicy policy, String description) { + this.policy = policy; + this.description = description; + } + + public String description() { + return description; + } + + public EventPolicy policy() { + return policy; + } + + public int benefitAmount(Date date, Menus menus) { + return policy.amount(date, menus); + } +}
Java
์ด๋ฒคํŠธ๋ฅผ enum์— ์ƒ์„ฑํ•ด์„œ ๊ด€๋ฆฌํ•˜์…จ๋„ค์š” ์ €๋Š” ์ด๋Ÿฐ ์ƒ๊ฐ์„ ๋ชปํ–ˆ๋Š”๋ฐ ์ƒˆ๋กœ ๋ฐฐ์šฐ๊ฒŒ ๋˜๋„ค์š” ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค.
@@ -0,0 +1,59 @@ +package christmas.domain.menu; + +import static christmas.domain.menu.Category.APPETIZER; +import static christmas.domain.menu.Category.BEVERAGE; +import static christmas.domain.menu.Category.DESSERT; +import static christmas.domain.menu.Category.MAIN; + +import java.util.Arrays; + +public enum Menu { + MUSHROOM_SOUP(APPETIZER, "์–‘์†ก์ด์ˆ˜ํ”„", 6_000), + TAPAS(APPETIZER, "ํƒ€ํŒŒ์Šค", 5_500), + CAESAR_SALAD(APPETIZER, "์‹œ์ €์ƒ๋Ÿฌ๋“œ", 8_000), + + T_BONE_STEAK(MAIN, "ํ‹ฐ๋ณธ์Šคํ…Œ์ดํฌ", 55_000), + BARBECUE_RIBS(MAIN, "๋ฐ”๋น„ํ๋ฆฝ", 54_000), + SEAFOOD_PASTA(MAIN, "ํ•ด์‚ฐ๋ฌผํŒŒ์Šคํƒ€", 35_000), + CHRISTMAS_PASTA(MAIN, "ํฌ๋ฆฌ์Šค๋งˆ์ŠคํŒŒ์Šคํƒ€", 25_000), + + CHOCOLATE_CAKE(DESSERT, "์ดˆ์ฝ”์ผ€์ดํฌ", 15_000), + ICE_CREAM(DESSERT, "์•„์ด์Šคํฌ๋ฆผ", 5_000), + + ZERO_COLA(BEVERAGE, "์ œ๋กœ์ฝœ๋ผ", 3_000), + RED_WINE(BEVERAGE, "๋ ˆ๋“œ์™€์ธ", 60_000), + CHAMPAGNE(BEVERAGE, "์ƒดํŽ˜์ธ", 25_000); + + private final Category category; + private final String description; + private final int price; + + Menu(Category category, String description, int price) { + this.category = category; + this.description = description; + this.price = price; + } + + public static boolean exists(String description) { + return Arrays.stream(Menu.values()) + .anyMatch(m -> description.equals(m.description())); + } + + public static Menu fromDescription(String description) { + return Arrays.stream(Menu.values()) + .filter(m -> description.equals(m.description)) + .findAny().get(); + } + + public Category category() { + return category; + } + + public String description() { + return description; + } + + public int price() { + return price; + } +}
Java
๊ฐ ๋ฉ”๋‰ด์˜ ์นดํ…Œ๊ณ ๋ฆฌ๋„ enum์œผ๋กœ ๋งŒ๋“ค์–ด์„œ ๊ด€๋ฆฌํ•˜๋Š” ๋ฐฉ๋ฒ•์€ ์–ด๋–จ๊นŒ ํ•˜๋„ค์š”.
@@ -0,0 +1,21 @@ +package christmas.controller; + +import christmas.dto.MenuCount; +import java.util.Arrays; +import java.util.List; + +public class Parser { + + public static int parseDate(String input) { + return Integer.parseInt(input); + } + + public static List<String> parseMenus(String input, String delimiter) { + return Arrays.stream(input.split(delimiter)).toList(); + } + + public static MenuCount parseMenu(String input, String delimiter) { + String[] split = input.split(delimiter); + return new MenuCount(split[0], Integer.parseInt(split[1])); + } +}
Java
InputView์˜ ๋ฐ˜ํ™˜ ํƒ€์ž…์„ ๋ชจ๋‘ String์œผ๋กœ ์ ์ ˆํ•œ ํ˜•๋ณ€ํ™˜์€ ์ปจํŠธ๋กค๋Ÿฌ์—์„œ ํ•˜์ž ๋ผ๊ณ  ์ƒ๊ฐํ•ด์„œ Parser๋ฅผ ๋ถ„๋ฆฌํ–ˆ์Šต๋‹ˆ๋‹ค. (์ง€๊ธˆ ๋ณด๋‹ˆ date๋Š” InputView์—์„œ ํŒŒ์‹ฑ์„ ํ•ด๋†”์„œ ์•„์‰ฝ๋„ค์š”)
@@ -0,0 +1,112 @@ +package christmas.controller; + +import christmas.domain.Badge; +import christmas.domain.Date; +import christmas.domain.Menus; +import christmas.domain.Order; +import christmas.domain.event.Event; +import christmas.dto.DiscountAmount; +import christmas.dto.MenuCount; +import christmas.exception.PromotionException; +import christmas.view.InputView; +import christmas.view.OutputView; +import java.util.List; +import java.util.Map; + +public class PromotionController { + private final InputView inputView = new InputView(); + private final OutputView outputView = new OutputView(); + private Order order; + + public void run() { + this.order = createOrder(); + showPlan(); + showBadge(); + } + + private Order createOrder() { + Date date = askVisitDate(); + while (true) { + try { + Menus menus = askMenus(); + return new Order(date, menus); + } catch (PromotionException e) { + outputView.printErrorMessage(e); + } + } + } + + private Date askVisitDate() { + while (true) { + try { + return new Date(inputView.readVisitDate()); + } catch (PromotionException e) { + outputView.printErrorMessage(e); + } + } + } + + private Menus askMenus() { + while (true) { + try { + List<String> input = inputView.readMenus(); + Menus menus = new Menus(); + input.stream() + .map(menu -> Parser.parseMenu(menu, "-")) + .forEach(menuCount -> menus.add(menuCount.menu(), menuCount.count())); + return menus; + } catch (PromotionException e) { + outputView.printErrorMessage(e); + } + } + } + + private void showPlan() { + outputView.printPlanHeader(order.getDate()); + showOrder(); + showTotalAmount(); + showGiveaway(); + showBenefitDetails(); + showTotalBenefit(); + showFinalAmount(); + } + + private void showTotalAmount() { + outputView.printTotalAmount(order.totalAmount()); + } + + private void showOrder() { + List<MenuCount> menuCounts = order.getOrderMenu().entrySet() + .stream() + .map(MenuCount::apply) + .toList(); + outputView.printOrder(menuCounts); + } + + private void showGiveaway() { + outputView.printGiveaway(order.giveGiveaway()); + } + + private void showBenefitDetails() { + Map<Event, Integer> details = order.benefitDetails(); + + List<DiscountAmount> discountAmounts = details.entrySet().stream() + .map(DiscountAmount::apply) + .toList(); + outputView.printBenefitDetails(discountAmounts); + } + + private void showTotalBenefit() { + int totalBenefit = order.totalBenefit(); + outputView.printTotalBenefit(totalBenefit); + } + + private void showFinalAmount() { + outputView.printFinalAmount(order.finalAmount()); + } + + private void showBadge() { + Badge badge = Badge.fromBenefit(order.totalBenefit()); + outputView.printBadge(badge.displayName()); + } +}
Java
์ €๋ฒˆ ์ฃผ์ฐจ์— ์„œ๋น„์Šค ๋ ˆ์ด์–ด๋Š” ์ตœ๋Œ€ํ•œ ์–‡๊ฒŒ ๋งŒ๋“œ๋Š” ๊ฒƒ์ด ์ข‹๋‹ค๋Š” ๋ฆฌ๋ทฐ๊ฐ€ ์žˆ์—ˆ๊ณ  ๊ทธ์— ๋™์˜ํ•ด์„œ ์ด๋ฒˆ์ฃผ์ฐจ๋Š” ์„œ๋น„์Šค ๋ ˆ์ด์–ด ์—†์ด ๋„๋ฉ”์ธ์— ์ตœ๋Œ€ํ•œ ๋กœ์ง์„ ๋‹ด์ž๋ฅผ ๋ชฉํ‘œ๋กœ ๊ตฌํ˜„ํ–ˆ์Šต๋‹ˆ๋‹ค!
@@ -0,0 +1,46 @@ +package christmas.domain; + +import christmas.exception.ErrorMessage; +import christmas.exception.PromotionException; +import java.time.DayOfWeek; +import java.time.LocalDate; +import java.util.List; + +public class Date { + public static final int EVENT_YEAR = 2023; + public static final int EVENT_MONTH = 12; + public static final int MIN_DATE = 1; + public static final int MAX_DATE = 31; + private final int date; + + public Date(int date) { + validate(date); + this.date = date; + } + + public int getDate() { + return date; + } + + private void validate(int date) { + if (date < MIN_DATE || date > MAX_DATE) { + throw new PromotionException(ErrorMessage.INVALID_DATE_MESSAGE); + } + } + + public int dayFromDate(int other) { + return date - other; + } + + public DayOfWeek dayOfWeek() { + return LocalDate.of(EVENT_YEAR, EVENT_MONTH, date).getDayOfWeek(); + } + + public boolean isIncluded(List<Integer> dates) { + return dates.contains(date); + } + + public boolean isInRange(int startInclusive, int endInclusive) { + return startInclusive <= date && date <= endInclusive; + } +}
Java
๋„ต ๋งŒ์•ฝ ๋‹ค๋ฅธ ๋‹ฌ๋„ ์žˆ์—ˆ๋‹ค๋ฉด LocalDate ์ž์ฒด๋ฅผ ์‚ฌ์šฉํ•ด๋„ ์ข‹์•˜์„ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค! ํ•˜์ง€๋งŒ ์ด๋ฒˆ ๋ฏธ์…˜์— ๊ฒฝ์šฐ ์ด๋ฒคํŠธ ๋‹ฌ์ธ 2023๋…„ 12์›”์— ํ•œ์ •๋๊ธฐ ๋•Œ๋ฌธ์— int๋งŒ ๊ฐ์‹ธ์„œ ์‚ฌ์šฉํ–ˆ์Šต๋‹ˆ๋‹ค.
@@ -0,0 +1,74 @@ +package christmas.domain; + +import christmas.domain.event.Event; +import christmas.domain.event.Giveaway; +import christmas.domain.menu.Category; +import christmas.domain.menu.Menu; +import christmas.dto.MenuCount; +import christmas.exception.ErrorMessage; +import christmas.exception.PromotionException; +import java.util.AbstractMap.SimpleEntry; +import java.util.Arrays; +import java.util.LinkedHashMap; +import java.util.Map; +import java.util.Map.Entry; +import java.util.Optional; +import java.util.stream.Collectors; + +public class Order { + private final Menus menus; + private final Date date; + + public Order(Date date, Menus menus) { + validateCategory(menus); + this.date = date; + this.menus = menus; + } + + public int getDate() { + return date.getDate(); + } + + public Map<Menu, Integer> getOrderMenu() { + return menus.getMenus(); + } + + private void validateCategory(Menus menus) { + if (menus.isAllInCategory(Category.BEVERAGE)) { + throw new PromotionException(ErrorMessage.INVALID_ORDER_MESSAGE); + } + } + + public int totalAmount() { + return menus.totalAmount(); + } + + public Optional<MenuCount> giveGiveaway() { + Giveaway giveaway = (Giveaway) Event.GIVEAWAY.policy(); + return giveaway.giveGiveaway(date, menus); + } + + public Map<Event, Integer> benefitDetails() { + return Arrays.stream(Event.values()) + .map(event -> new SimpleEntry<>(event, event.benefitAmount(date, menus))) + .filter(entry -> entry.getValue() < 0) + .collect(Collectors.toMap(Entry::getKey, Entry::getValue, (x, y) -> y, LinkedHashMap::new)); + } + + public int totalBenefit() { + return Arrays.stream(Event.values()) + .mapToInt(event -> event.benefitAmount(date, menus)) + .sum(); + } + + public int totalDiscount() { + return Arrays.stream(Event.values()) + .filter(event -> event != Event.GIVEAWAY) + .mapToInt(event -> event.benefitAmount(date, menus)) + .sum(); + } + + public int finalAmount() { + return totalAmount() + totalDiscount(); + } +}
Java
์œ„์—์„œ ๋ง์”€ํ•ด์ฃผ์‹  ๋ฐฉ๋ฒ•๋Œ€๋กœ ์ผ๊ธ‰ ์ปฌ๋ ‰์…˜์„ ๋งŒ๋“ค์—ˆ๋‹ค๋ฉด ๊ทธ๋ ‡๊ฒŒ ์ฒ˜๋ฆฌํ•  ์ˆ˜๋„ ์žˆ์—ˆ๊ฒ ๋„ค์š”! ์˜๊ฒฌ ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค!
@@ -0,0 +1,33 @@ +package christmas.domain.event; + +import christmas.domain.Date; +import christmas.domain.Menus; +import christmas.domain.menu.Menu; +import christmas.dto.MenuCount; +import java.util.Optional; + +public class Giveaway implements EventPolicy { + private static final int MIN_TOTAL_AMOUNT = 120_000; //shadowing + private static final Menu giveaway = Menu.CHAMPAGNE; + private static final int numGiveaway = 1; + + @Override + public boolean canBeApplied(Date date, Menus menus) { + return menus.totalAmount() >= MIN_TOTAL_AMOUNT; + } + + @Override + public int amount(Date date, Menus menus) { + if (canBeApplied(date, menus)) { + return -1 * numGiveaway * giveaway.price(); + } + return NONE; + } + + public Optional<MenuCount> giveGiveaway(Date date, Menus menus) { + if (canBeApplied(date, menus)) { + return Optional.of(new MenuCount(giveaway.description(), numGiveaway)); + } + return Optional.empty(); + } +}
Java
์ œ๊ฐ€ ์ธํ„ฐํŽ˜์ด์Šค ๊ตฌํ˜„์— ์ต์ˆ™์น˜ ์•Š์•„์„œ ๋‚จ๊ฒจ๋†“์•˜๋˜ ์ฃผ์„์ž…๋‹ˆ๋‹ค. ์ธํ„ฐํŽ˜์ด์Šค์™€ ๊ตฌํ˜„์ฒด๊ฐ€ ๊ฐ™์€ ์ด๋ฆ„์˜ ๋ณ€์ˆ˜๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด ๊ตฌํ˜„์ฒด์˜ ๋ณ€์ˆ˜๊ฐ’์œผ๋กœ shadowing ๋œ๋‹ค๋Š” ๊ฑธ ํ‘œ์‹œํ–ˆ์Šต๋‹ˆ๋‹ค.
@@ -0,0 +1,112 @@ +package christmas.controller; + +import christmas.domain.Badge; +import christmas.domain.Date; +import christmas.domain.Menus; +import christmas.domain.Order; +import christmas.domain.event.Event; +import christmas.dto.DiscountAmount; +import christmas.dto.MenuCount; +import christmas.exception.PromotionException; +import christmas.view.InputView; +import christmas.view.OutputView; +import java.util.List; +import java.util.Map; + +public class PromotionController { + private final InputView inputView = new InputView(); + private final OutputView outputView = new OutputView(); + private Order order; + + public void run() { + this.order = createOrder(); + showPlan(); + showBadge(); + } + + private Order createOrder() { + Date date = askVisitDate(); + while (true) { + try { + Menus menus = askMenus(); + return new Order(date, menus); + } catch (PromotionException e) { + outputView.printErrorMessage(e); + } + } + } + + private Date askVisitDate() { + while (true) { + try { + return new Date(inputView.readVisitDate()); + } catch (PromotionException e) { + outputView.printErrorMessage(e); + } + } + } + + private Menus askMenus() { + while (true) { + try { + List<String> input = inputView.readMenus(); + Menus menus = new Menus(); + input.stream() + .map(menu -> Parser.parseMenu(menu, "-")) + .forEach(menuCount -> menus.add(menuCount.menu(), menuCount.count())); + return menus; + } catch (PromotionException e) { + outputView.printErrorMessage(e); + } + } + } + + private void showPlan() { + outputView.printPlanHeader(order.getDate()); + showOrder(); + showTotalAmount(); + showGiveaway(); + showBenefitDetails(); + showTotalBenefit(); + showFinalAmount(); + } + + private void showTotalAmount() { + outputView.printTotalAmount(order.totalAmount()); + } + + private void showOrder() { + List<MenuCount> menuCounts = order.getOrderMenu().entrySet() + .stream() + .map(MenuCount::apply) + .toList(); + outputView.printOrder(menuCounts); + } + + private void showGiveaway() { + outputView.printGiveaway(order.giveGiveaway()); + } + + private void showBenefitDetails() { + Map<Event, Integer> details = order.benefitDetails(); + + List<DiscountAmount> discountAmounts = details.entrySet().stream() + .map(DiscountAmount::apply) + .toList(); + outputView.printBenefitDetails(discountAmounts); + } + + private void showTotalBenefit() { + int totalBenefit = order.totalBenefit(); + outputView.printTotalBenefit(totalBenefit); + } + + private void showFinalAmount() { + outputView.printFinalAmount(order.finalAmount()); + } + + private void showBadge() { + Badge badge = Badge.fromBenefit(order.totalBenefit()); + outputView.printBadge(badge.displayName()); + } +}
Java
๋‹ค๋ฅธ ๋ถ„๋“ค ๋ณด๋‹ค๋ณด๋‹ˆ try-catch์— ๋Œ€ํ•ด ํ•จ์ˆ˜ ์ œ๋„ค๋ฆญ+ExceptionHandler๋กœ ๋งŽ์ด ์‘์šฉํ•˜์‹œ๋”๋ผ๊ตฌ์š”! ์˜ˆ์™ธ ์ฒ˜๋ฆฌ ํ›„ ๋‹ค์‹œ ์‹คํ–‰ํ•˜๋Š” ๋ถ€๋ถ„๋„ ๋ถ„๋ฆฌ ๊ฐ€๋Šฅํ•ด ๋ณด์ž…๋‹ˆ๋‹ค!
@@ -0,0 +1,112 @@ +package christmas.controller; + +import christmas.domain.Badge; +import christmas.domain.Date; +import christmas.domain.Menus; +import christmas.domain.Order; +import christmas.domain.event.Event; +import christmas.dto.DiscountAmount; +import christmas.dto.MenuCount; +import christmas.exception.PromotionException; +import christmas.view.InputView; +import christmas.view.OutputView; +import java.util.List; +import java.util.Map; + +public class PromotionController { + private final InputView inputView = new InputView(); + private final OutputView outputView = new OutputView(); + private Order order; + + public void run() { + this.order = createOrder(); + showPlan(); + showBadge(); + } + + private Order createOrder() { + Date date = askVisitDate(); + while (true) { + try { + Menus menus = askMenus(); + return new Order(date, menus); + } catch (PromotionException e) { + outputView.printErrorMessage(e); + } + } + } + + private Date askVisitDate() { + while (true) { + try { + return new Date(inputView.readVisitDate()); + } catch (PromotionException e) { + outputView.printErrorMessage(e); + } + } + } + + private Menus askMenus() { + while (true) { + try { + List<String> input = inputView.readMenus(); + Menus menus = new Menus(); + input.stream() + .map(menu -> Parser.parseMenu(menu, "-")) + .forEach(menuCount -> menus.add(menuCount.menu(), menuCount.count())); + return menus; + } catch (PromotionException e) { + outputView.printErrorMessage(e); + } + } + } + + private void showPlan() { + outputView.printPlanHeader(order.getDate()); + showOrder(); + showTotalAmount(); + showGiveaway(); + showBenefitDetails(); + showTotalBenefit(); + showFinalAmount(); + } + + private void showTotalAmount() { + outputView.printTotalAmount(order.totalAmount()); + } + + private void showOrder() { + List<MenuCount> menuCounts = order.getOrderMenu().entrySet() + .stream() + .map(MenuCount::apply) + .toList(); + outputView.printOrder(menuCounts); + } + + private void showGiveaway() { + outputView.printGiveaway(order.giveGiveaway()); + } + + private void showBenefitDetails() { + Map<Event, Integer> details = order.benefitDetails(); + + List<DiscountAmount> discountAmounts = details.entrySet().stream() + .map(DiscountAmount::apply) + .toList(); + outputView.printBenefitDetails(discountAmounts); + } + + private void showTotalBenefit() { + int totalBenefit = order.totalBenefit(); + outputView.printTotalBenefit(totalBenefit); + } + + private void showFinalAmount() { + outputView.printFinalAmount(order.finalAmount()); + } + + private void showBadge() { + Badge badge = Badge.fromBenefit(order.totalBenefit()); + outputView.printBadge(badge.displayName()); + } +}
Java
try ๋‚ด๋ถ€์—๋Š” ์—๋Ÿฌ๊ฐ€ ๋‚  ๊ฐ€๋Šฅ์„ฑ์ด ์žˆ๋Š” ๋ฌธ๊ตฌ์— ๋Œ€ํ•ด์„œ ์ง‘์ค‘์ ์œผ๋กœ ๊ด€๋ฆฌํ•˜๋Š” ๊ฒƒ์ด ์ข‹์„ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค. Menu menu = parseMenu() ๋ผ๋Š” ๊ตฌ๋ฌธ์— ๋Œ€ํ•ด์„œ๋งŒ ์—๋Ÿฌ ์ฒ˜๋ฆฌ๋ฅผ ํ•˜๊ณ , ํ†ต๊ณผ ํ›„ add๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์€ ์–ด๋–จ๊นŒ์š”?
@@ -0,0 +1,85 @@ +package christmas.domain; + +import christmas.domain.menu.Category; +import christmas.domain.menu.Menu; +import christmas.exception.ErrorMessage; +import christmas.exception.PromotionException; +import java.util.EnumMap; +import java.util.Map; +import java.util.Map.Entry; + +public class Menus { + public static final int MIN_MENU_COUNT = 1; + public static final int MAX_ORDER_COUNT = 20; + private final Map<Menu, Integer> menus = new EnumMap<>(Menu.class); + + public Map<Menu, Integer> getMenus() { + return menus; + } + + public void add(String menu, int count) { + validate(menu, count); + menus.put(Menu.fromDescription(menu), count); + } + + private void validate(String menu, int count) { + validateMenuExists(menu); + validateMenuNotDuplicated(menu); + validateCount(count); + validateTotalCount(count); + } + + public boolean isAllInCategory(Category category) { + return menus.keySet().stream() + .map(Menu::category) + .allMatch(c -> c.equals(category)); + } + + public int countByCategory(Category category) { + return menus.keySet().stream() + .filter(key -> category.equals(key.category())) + .mapToInt(menus::get) + .sum(); + } + + public int totalCount() { + return menus.values().stream() + .mapToInt(Integer::intValue) + .sum(); + } + + public int totalAmount() { + return menus.entrySet().stream() + .mapToInt(this::itemPrice) + .sum(); + } + + private int itemPrice(Entry<Menu, Integer> item) { + return item.getKey().price() * item.getValue(); + } + + private void validateMenuExists(String menu) { + if (Menu.exists(menu)) { + return; + } + throw new PromotionException(ErrorMessage.INVALID_ORDER_MESSAGE); + } + + private void validateCount(int count) { + if (count < MIN_MENU_COUNT) { + throw new PromotionException(ErrorMessage.INVALID_ORDER_MESSAGE); + } + } + + private void validateMenuNotDuplicated(String menu) { + if (menus.containsKey(Menu.fromDescription(menu))) { + throw new PromotionException(ErrorMessage.INVALID_ORDER_MESSAGE); + } + } + + private void validateTotalCount(int count) { + if (totalCount() + count > MAX_ORDER_COUNT) { + throw new PromotionException(ErrorMessage.INVALID_ORDER_MESSAGE); + } + } +}
Java
๊ฒ€์ฆ ๋กœ์ง๊ณผ, totalAmount()๋“ฑ์˜ ๋น„์ง€๋‹ˆ์Šค ๋กœ์ง์€ ๊ด€๋ จ์„ฑ์ด ๋‚ฎ์•„๋ณด์ž…๋‹ˆ๋‹ค! ์ด๋ถ€๋ถ„๋„ Parser์ฒ˜๋Ÿผ validator๋กœ ๋ถ„๋ฆฌ ๊ฐ€๋Šฅํ•ด๋ณด์—ฌ์š” !
@@ -0,0 +1,74 @@ +package christmas.view; + +import christmas.dto.DiscountAmount; +import christmas.dto.MenuCount; +import christmas.exception.PromotionException; +import java.util.List; +import java.util.Optional; + +public class OutputView { + + public void printPlanHeader(int date) { + System.out.printf("12์›” %d์ผ์— ์šฐํ…Œ์ฝ” ์‹๋‹น์—์„œ ๋ฐ›์„ ์ด๋ฒคํŠธ ํ˜œํƒ ๋ฏธ๋ฆฌ ๋ณด๊ธฐ!\n", date); + } + + public void printOrder(List<MenuCount> order) { + System.out.println("\n<์ฃผ๋ฌธ ๋ฉ”๋‰ด>"); + order.forEach(this::printMenuCount); + } + + public void printTotalAmount(int amount) { + System.out.println("\n<ํ• ์ธ ์ „ ์ด์ฃผ๋ฌธ ๊ธˆ์•ก>"); + printAmount(amount); + } + + public void printGiveaway(Optional<MenuCount> giveaway) { + System.out.println("\n<์ฆ์ • ๋ฉ”๋‰ด>"); + if (giveaway.isPresent()) { + printMenuCount(giveaway.get()); + return; + } + printNone(); + } + + public void printBenefitDetails(List<DiscountAmount> discountAmounts) { + System.out.println("\n<ํ˜œํƒ ๋‚ด์—ญ>"); + if (discountAmounts.isEmpty()) { + printNone(); + return; + } + discountAmounts.forEach(da -> System.out.printf("%s: %,d์›\n", da.name(), da.amount())); + } + + public void printTotalBenefit(int totalBenefit) { + System.out.println("\n<์ดํ˜œํƒ ๊ธˆ์•ก>"); + printAmount(totalBenefit); + } + + public void printFinalAmount(int finalAMount) { + System.out.println("\n<ํ• ์ธ ํ›„ ์˜ˆ์ƒ ๊ฒฐ์ œ ๊ธˆ์•ก>"); + printAmount(finalAMount); + } + + public void printBadge(String displayName) { + System.out.println("\n<12์›” ์ด๋ฒคํŠธ ๋ฐฐ์ง€>"); + System.out.println(displayName); + } + + public void printErrorMessage(PromotionException e) { + System.out.println(e.getMessage()); + } + + + private void printNone() { + System.out.println("์—†์Œ"); + } + + private void printMenuCount(MenuCount menuCount) { + System.out.printf("%s %d๊ฐœ\n", menuCount.menu(), menuCount.count()); + } + + private void printAmount(int amount) { + System.out.printf("%,d์›\n", amount); + } +}
Java
๊ฐ ์ถœ๋ ฅ๋ฌธ์„ static final ์ƒ์ˆ˜๋กœ ์ฒ˜๋ฆฌํ•˜๋ฉด ๋” ์ข‹์„ ๊ฒƒ ๊ฐ™์•„์š”!
@@ -0,0 +1,112 @@ +package christmas.controller; + +import christmas.domain.Badge; +import christmas.domain.Date; +import christmas.domain.Menus; +import christmas.domain.Order; +import christmas.domain.event.Event; +import christmas.dto.DiscountAmount; +import christmas.dto.MenuCount; +import christmas.exception.PromotionException; +import christmas.view.InputView; +import christmas.view.OutputView; +import java.util.List; +import java.util.Map; + +public class PromotionController { + private final InputView inputView = new InputView(); + private final OutputView outputView = new OutputView(); + private Order order; + + public void run() { + this.order = createOrder(); + showPlan(); + showBadge(); + } + + private Order createOrder() { + Date date = askVisitDate(); + while (true) { + try { + Menus menus = askMenus(); + return new Order(date, menus); + } catch (PromotionException e) { + outputView.printErrorMessage(e); + } + } + } + + private Date askVisitDate() { + while (true) { + try { + return new Date(inputView.readVisitDate()); + } catch (PromotionException e) { + outputView.printErrorMessage(e); + } + } + } + + private Menus askMenus() { + while (true) { + try { + List<String> input = inputView.readMenus(); + Menus menus = new Menus(); + input.stream() + .map(menu -> Parser.parseMenu(menu, "-")) + .forEach(menuCount -> menus.add(menuCount.menu(), menuCount.count())); + return menus; + } catch (PromotionException e) { + outputView.printErrorMessage(e); + } + } + } + + private void showPlan() { + outputView.printPlanHeader(order.getDate()); + showOrder(); + showTotalAmount(); + showGiveaway(); + showBenefitDetails(); + showTotalBenefit(); + showFinalAmount(); + } + + private void showTotalAmount() { + outputView.printTotalAmount(order.totalAmount()); + } + + private void showOrder() { + List<MenuCount> menuCounts = order.getOrderMenu().entrySet() + .stream() + .map(MenuCount::apply) + .toList(); + outputView.printOrder(menuCounts); + } + + private void showGiveaway() { + outputView.printGiveaway(order.giveGiveaway()); + } + + private void showBenefitDetails() { + Map<Event, Integer> details = order.benefitDetails(); + + List<DiscountAmount> discountAmounts = details.entrySet().stream() + .map(DiscountAmount::apply) + .toList(); + outputView.printBenefitDetails(discountAmounts); + } + + private void showTotalBenefit() { + int totalBenefit = order.totalBenefit(); + outputView.printTotalBenefit(totalBenefit); + } + + private void showFinalAmount() { + outputView.printFinalAmount(order.finalAmount()); + } + + private void showBadge() { + Badge badge = Badge.fromBenefit(order.totalBenefit()); + outputView.printBadge(badge.displayName()); + } +}
Java
Menus ๋ฅผ add ํ•˜๋ฉด์„œ๋„ ๊ฒ€์ฆํ•˜๋Š” ๊ณผ์ •์ด ์žˆ๊ณ  ์ž˜๋ชป๋œ ๊ฒ€์ฆ ๊ฒฐ๊ณผ ์ž˜๋ชป๋œ ์ฃผ๋ฌธ์ผ ๊ฒฝ์šฐ ๋‹ค์‹œ ๋ฐ›์•„์•ผํ•ด์„œ ์ด๋ ‡๊ฒŒ ๊ตฌํ˜„ํ–ˆ์Šต๋‹ˆ๋‹ค.
@@ -0,0 +1,59 @@ +package christmas.domain.menu; + +import static christmas.domain.menu.Category.APPETIZER; +import static christmas.domain.menu.Category.BEVERAGE; +import static christmas.domain.menu.Category.DESSERT; +import static christmas.domain.menu.Category.MAIN; + +import java.util.Arrays; + +public enum Menu { + MUSHROOM_SOUP(APPETIZER, "์–‘์†ก์ด์ˆ˜ํ”„", 6_000), + TAPAS(APPETIZER, "ํƒ€ํŒŒ์Šค", 5_500), + CAESAR_SALAD(APPETIZER, "์‹œ์ €์ƒ๋Ÿฌ๋“œ", 8_000), + + T_BONE_STEAK(MAIN, "ํ‹ฐ๋ณธ์Šคํ…Œ์ดํฌ", 55_000), + BARBECUE_RIBS(MAIN, "๋ฐ”๋น„ํ๋ฆฝ", 54_000), + SEAFOOD_PASTA(MAIN, "ํ•ด์‚ฐ๋ฌผํŒŒ์Šคํƒ€", 35_000), + CHRISTMAS_PASTA(MAIN, "ํฌ๋ฆฌ์Šค๋งˆ์ŠคํŒŒ์Šคํƒ€", 25_000), + + CHOCOLATE_CAKE(DESSERT, "์ดˆ์ฝ”์ผ€์ดํฌ", 15_000), + ICE_CREAM(DESSERT, "์•„์ด์Šคํฌ๋ฆผ", 5_000), + + ZERO_COLA(BEVERAGE, "์ œ๋กœ์ฝœ๋ผ", 3_000), + RED_WINE(BEVERAGE, "๋ ˆ๋“œ์™€์ธ", 60_000), + CHAMPAGNE(BEVERAGE, "์ƒดํŽ˜์ธ", 25_000); + + private final Category category; + private final String description; + private final int price; + + Menu(Category category, String description, int price) { + this.category = category; + this.description = description; + this.price = price; + } + + public static boolean exists(String description) { + return Arrays.stream(Menu.values()) + .anyMatch(m -> description.equals(m.description())); + } + + public static Menu fromDescription(String description) { + return Arrays.stream(Menu.values()) + .filter(m -> description.equals(m.description)) + .findAny().get(); + } + + public Category category() { + return category; + } + + public String description() { + return description; + } + + public int price() { + return price; + } +}
Java
๋ฆฌ๋ทฐ์–ด๋‹˜์˜ ์ฝ”๋“œ๋ฅผ ๋ณด๋‹ˆ ๋ง์”€ํ•˜์‹  ๋ฐฉ๋ฒ•์ด ํšจ์œจ์ ์ด๋„ค์š”! ์˜๊ฒฌ ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค.
@@ -0,0 +1,42 @@ +package christmas.view; + +import static christmas.controller.Parser.parseDate; +import static christmas.controller.Parser.parseMenus; + +import camp.nextstep.edu.missionutils.Console; +import christmas.exception.ErrorMessage; +import christmas.exception.PromotionException; +import java.util.List; + +public class InputView { + private static final String DATE_PATTERN = "[\\d]{1,2}"; + private static final String MENUS_PATTERN = "(([๊ฐ€-ํžฃ]+)-([\\d]{1,2}),)*([๊ฐ€-ํžฃ]+)-([\\d]{1,2})"; + + public int readVisitDate() { + System.out.println("12์›” ์ค‘ ์‹๋‹น ์˜ˆ์ƒ ๋ฐฉ๋ฌธ ๋‚ ์งœ๋Š” ์–ธ์ œ์ธ๊ฐ€์š”? (์ˆซ์ž๋งŒ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”!)"); + String date = Console.readLine(); + validateDateInput(date); + return parseDate(date); + } + + private void validateDateInput(String input) { + if (input.matches(DATE_PATTERN)) { + return; + } + throw new PromotionException(ErrorMessage.INVALID_DATE_MESSAGE); + } + + public List<String> readMenus() { + System.out.println("์ฃผ๋ฌธํ•˜์‹ค ๋ฉ”๋‰ด๋ฅผ ๋ฉ”๋‰ด์™€ ๊ฐœ์ˆ˜๋ฅผ ์•Œ๋ ค ์ฃผ์„ธ์š”. (e.g. ํ•ด์‚ฐ๋ฌผํŒŒ์Šคํƒ€-2,๋ ˆ๋“œ์™€์ธ-1,์ดˆ์ฝ”์ผ€์ดํฌ-1)"); + String menus = Console.readLine().trim(); + validateMenuInput(menus); + return parseMenus(menus, ","); + } + + private void validateMenuInput(String menus) { + if (menus.matches(MENUS_PATTERN)) { + return; + } + throw new PromotionException(ErrorMessage.INVALID_ORDER_MESSAGE); + } +}
Java
์ •๊ทœ์‹์— ํ•œ๊ธ€๋„ ๋˜๋Š”๊ตฐ์š”! ๋ฐฐ์›Œ๊ฐ€์š”!
@@ -0,0 +1,18 @@ +package christmas.domain.event; + +import christmas.domain.Date; +import christmas.domain.Menus; + +public interface EventPolicy { + int MIN_TOTAL_AMOUNT = 10_000; + int NONE = 0; + + + default boolean isApplicableMenus(Menus menus) { + return menus.totalAmount() >= MIN_TOTAL_AMOUNT; + } + + boolean canBeApplied(Date date, Menus menus); + + int amount(Date date, Menus menus); +}
Java
๋‹ค๋ฅธ ๊ตฌํ˜„์ฒด๋“ค ์ฝ”๋“œ ๋ณด๋‹ˆ๊นŒ, amount ๋ฉ”์„œ๋“œ ๋‚ด๋ถ€์—์„œ canBeApplied ๋ฉ”์„œ๋“œ๊ฐ€ ํ˜ธ์ถœ๋˜๊ฒŒ ๋˜๋Š”๋ฐ ์ด๋ฅผ default ๋ฉ”์„œ๋“œ๋‚˜, ๊ตฌ์ฒดํด๋ž˜์Šค์™€ ์ธํ„ฐํŽ˜์ด์Šค ์‚ฌ์ด์— ์ถ”์ƒ ํด๋ž˜์Šค๋ฅผ ์ถ”๊ฐ€ํ•˜์—ฌ ๊ฐ•์ œํ•œ๋‹ค๋ฉด ๋” ์ข‹์„ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค! ํ˜„์žฌ๋Š” ์‹ค์ˆ˜๊ฐ€ ๋ฐœ์ƒํ•ด๋„ ๋ง‰์„ ๋ฐฉ๋ฒ•์ด ์—†๊ธฐ ๋•Œ๋ฌธ์ด์ฃ !
@@ -0,0 +1,53 @@ +package christmas.domain.event; + +import static org.assertj.core.api.Assertions.assertThat; + +import christmas.domain.Date; +import christmas.domain.Menus; +import org.junit.jupiter.api.DisplayName; +import org.junit.jupiter.api.Test; +import org.junit.jupiter.params.ParameterizedTest; +import org.junit.jupiter.params.provider.CsvSource; + +class DDayDiscountTest { + EventPolicy dDayDiscount = new DDayDiscount(); + + @DisplayName("10000์› ๋ฏธ๋งŒ์ธ ๊ฒฝ์šฐ ํ• ์ธ ์ ์šฉ๋˜์ง€ ์•Š๋Š”๋‹ค.") + @Test + void notApplicableOrder() { + Menus menus = new Menus(); + menus.add(("ํƒ€ํŒŒ์Šค"), 1); + + assertThat(dDayDiscount.canBeApplied(new Date(25), menus)) + .isEqualTo(false); + assertThat(dDayDiscount.amount(new Date(25), menus)) + .isEqualTo(0); + } + + @DisplayName("ํ• ์ธ ๊ธฐ๊ฐ„์ด ์•„๋‹ˆ๋ฉด ์ ์šฉ๋˜์ง€ ์•Š๋Š”๋‹ค.") + @ParameterizedTest + @CsvSource({"25,true", "26,false"}) + void notApplicableDate(int dateSource, boolean expected) { + assertThat(dDayDiscount.canBeApplied(new Date(dateSource), createMenus())) + .isEqualTo(expected); + } + + @DisplayName("ํ• ์ธ ๊ธˆ์•ก ํ…Œ์ŠคํŠธ") + @ParameterizedTest + @CsvSource({"1,-1000", "25,-3400"}) + void amount(int dateSource, int expectedAmount) { + assertThat(dDayDiscount.amount(new Date(dateSource), createMenus())) + .isEqualTo(expectedAmount); + } + + Menus createMenus() { + Menus menus = new Menus(); + menus.add(("ํƒ€ํŒŒ์Šค"), 2); + menus.add(("์‹œ์ €์ƒ๋Ÿฌ๋“œ"), 1); + menus.add(("ํ•ด์‚ฐ๋ฌผํŒŒ์Šคํƒ€"), 2); + menus.add(("์ดˆ์ฝ”์ผ€์ดํฌ"), 1); + menus.add(("์ œ๋กœ์ฝœ๋ผ"), 1); + menus.add(("์ƒดํŽ˜์ธ"), 1); + return menus; + } +}
Java
๋ชจ๋“  ํ…Œ์ŠคํŠธ ์ฝ”๋“œ์—์„œ ์ด ๋ฉ”์„œ๋“œ๊ฐ€ ์กด์žฌํ•˜๋Š” ๊ฐ™์Šต๋‹ˆ๋‹ค. ์ด๋ฅผ ์ถ”์ƒํ™”ํ•ด์„œ ํ…Œ์ŠคํŠธ์ฝ”๋“œ๋ฅผ ์ž‘์„ฑํ•˜๋ฉด, ๋” ์ข‹์„ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค!
@@ -0,0 +1,42 @@ +package christmas.view; + +import static christmas.controller.Parser.parseDate; +import static christmas.controller.Parser.parseMenus; + +import camp.nextstep.edu.missionutils.Console; +import christmas.exception.ErrorMessage; +import christmas.exception.PromotionException; +import java.util.List; + +public class InputView { + private static final String DATE_PATTERN = "[\\d]{1,2}"; + private static final String MENUS_PATTERN = "(([๊ฐ€-ํžฃ]+)-([\\d]{1,2}),)*([๊ฐ€-ํžฃ]+)-([\\d]{1,2})"; + + public int readVisitDate() { + System.out.println("12์›” ์ค‘ ์‹๋‹น ์˜ˆ์ƒ ๋ฐฉ๋ฌธ ๋‚ ์งœ๋Š” ์–ธ์ œ์ธ๊ฐ€์š”? (์ˆซ์ž๋งŒ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”!)"); + String date = Console.readLine(); + validateDateInput(date); + return parseDate(date); + } + + private void validateDateInput(String input) { + if (input.matches(DATE_PATTERN)) { + return; + } + throw new PromotionException(ErrorMessage.INVALID_DATE_MESSAGE); + } + + public List<String> readMenus() { + System.out.println("์ฃผ๋ฌธํ•˜์‹ค ๋ฉ”๋‰ด๋ฅผ ๋ฉ”๋‰ด์™€ ๊ฐœ์ˆ˜๋ฅผ ์•Œ๋ ค ์ฃผ์„ธ์š”. (e.g. ํ•ด์‚ฐ๋ฌผํŒŒ์Šคํƒ€-2,๋ ˆ๋“œ์™€์ธ-1,์ดˆ์ฝ”์ผ€์ดํฌ-1)"); + String menus = Console.readLine().trim(); + validateMenuInput(menus); + return parseMenus(menus, ","); + } + + private void validateMenuInput(String menus) { + if (menus.matches(MENUS_PATTERN)) { + return; + } + throw new PromotionException(ErrorMessage.INVALID_ORDER_MESSAGE); + } +}
Java
์ข‹์€ ์ •๊ทœ์‹ ํ•˜๋‚˜ ๋ฐฐ์›Œ๊ฐ‘๋‹ˆ๋‹ค! ๊ทผ๋ฐ ์ด๋ ‡๊ฒŒ ํ•˜๋ฉด " ๋ฉ”๋‰ด - 2 " ์ด๋ ‡๊ฒŒ ๋ฉ”๋‰ด์ด๋ฆ„์ด๋‚˜ ์ˆซ์ž ์‚ฌ์ด๋‚˜ ์•ž๋’ค์— ๊ณต๋ฐฑ์ด ์žˆ์–ด๋„ invalidํ•˜๊ฒŒ ํŒ๋ณ„ํ•˜๊ณ  ๋‹ค์‹œ ์ž…๋ ฅ์„ ์š”๊ตฌํ•˜๋‚˜์š”?
@@ -0,0 +1,42 @@ +package christmas.view; + +import static christmas.controller.Parser.parseDate; +import static christmas.controller.Parser.parseMenus; + +import camp.nextstep.edu.missionutils.Console; +import christmas.exception.ErrorMessage; +import christmas.exception.PromotionException; +import java.util.List; + +public class InputView { + private static final String DATE_PATTERN = "[\\d]{1,2}"; + private static final String MENUS_PATTERN = "(([๊ฐ€-ํžฃ]+)-([\\d]{1,2}),)*([๊ฐ€-ํžฃ]+)-([\\d]{1,2})"; + + public int readVisitDate() { + System.out.println("12์›” ์ค‘ ์‹๋‹น ์˜ˆ์ƒ ๋ฐฉ๋ฌธ ๋‚ ์งœ๋Š” ์–ธ์ œ์ธ๊ฐ€์š”? (์ˆซ์ž๋งŒ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”!)"); + String date = Console.readLine(); + validateDateInput(date); + return parseDate(date); + } + + private void validateDateInput(String input) { + if (input.matches(DATE_PATTERN)) { + return; + } + throw new PromotionException(ErrorMessage.INVALID_DATE_MESSAGE); + } + + public List<String> readMenus() { + System.out.println("์ฃผ๋ฌธํ•˜์‹ค ๋ฉ”๋‰ด๋ฅผ ๋ฉ”๋‰ด์™€ ๊ฐœ์ˆ˜๋ฅผ ์•Œ๋ ค ์ฃผ์„ธ์š”. (e.g. ํ•ด์‚ฐ๋ฌผํŒŒ์Šคํƒ€-2,๋ ˆ๋“œ์™€์ธ-1,์ดˆ์ฝ”์ผ€์ดํฌ-1)"); + String menus = Console.readLine().trim(); + validateMenuInput(menus); + return parseMenus(menus, ","); + } + + private void validateMenuInput(String menus) { + if (menus.matches(MENUS_PATTERN)) { + return; + } + throw new PromotionException(ErrorMessage.INVALID_ORDER_MESSAGE); + } +}
Java
๋งจ์•ž๊ณผ ๋งจ๋’ค ๊ธ€์ž๋Š” ๊ณต๋ฐฑ์ด์žˆ์–ด๋„ ๋˜์ง€๋งŒ ๋ฉ”๋‰ด์™€ - ์นด์šดํŠธ ์‚ฌ์ด์—๋Š” ๊ณต๋ฐฑ์„ ํ—ˆ์šฉํ•˜์ง€์•Š์Šต๋‹ˆ๋‹ค. ๋งจ์•ž๋’ค ๊ณต๋ฐฑ์€ ์ฃผ์–ด์ง„ ์˜ˆ์‹œ์— ๊ณต๋ฐฑ์ด ์žˆ๊ธธ๋ž˜ ํ—ˆ์šฉํ–ˆ์–ด์š”
@@ -0,0 +1,302 @@ +# ๐ŸŽ„ ํฌ๋ฆฌ์Šค๋งˆ์Šค ํ”„๋กœ๋ชจ์…˜ + +์šฐํ…Œ์ฝ” ์‹๋‹น์˜ ํฌ๋ฆฌ์Šค๋งˆ์Šค ํ”„๋กœ๋ชจ์…˜์„ ์œ„ํ•œ '์ด๋ฒคํŠธ ํ”Œ๋ž˜๋„ˆ' ํ”„๋กœ์ ํŠธ์ž…๋‹ˆ๋‹ค. + +๊ณ ๊ฐ์ด ์‹๋‹น์— ๋ฐฉ๋ฌธํ•  ๋‚ ์งœ์™€ ๋ฉ”๋‰ด๋ฅผ ๋ฏธ๋ฆฌ ์„ ํƒํ•˜๋ฉด ์ฃผ๋ฌธ ๋ฉ”๋‰ด, ํ• ์ธ ์ „ ์ด์ฃผ๋ฌธ ๊ธˆ์•ก, ์ฆ์ • ๋ฉ”๋‰ด, ํ˜œํƒ ๋‚ด์—ญ, ์ดํ˜œํƒ ๊ธˆ์•ก, ํ• ์ธ ํ›„ ์˜ˆ์ƒ ๊ฒฐ์ œ ๊ธˆ์•ก, 12์›” ์ด๋ฒคํŠธ ๋ฐฐ์ง€ ๋‚ด์šฉ์„ ๋ณด์—ฌ์ค๋‹ˆ๋‹ค. + +## ๐ŸŽ ์ฐจ๋ก€ +[1. ๊ธฐ๋Šฅ ์š”๊ตฌ์‚ฌํ•ญ](#-๊ธฐ๋Šฅ-์š”๊ตฌ์‚ฌํ•ญ) + +[2. ๊ธฐ๋Šฅ ๋ชฉ๋ก](#-๊ธฐ๋Šฅ-๋ชฉ๋ก) + +[3. ์ฃผ์š” ํด๋ž˜์Šค์™€ ๋ฉ”์„œ๋“œ](#-์ฃผ์š”-ํด๋ž˜์Šค์™€-๋ฉ”์„œ๋“œ) + + +## ๐ŸŽ ๊ธฐ๋Šฅ ์š”๊ตฌ์‚ฌํ•ญ +### ๋ฐฉ๋ฌธํ•  ๋‚ ์งœ ์„ ํƒ + - 1์ด์ƒ 31์ดํ•˜์˜ ์ˆซ์ž๋งŒ ์ž…๋ ฅ ๊ฐ€๋Šฅํ•˜๋‹ค. + - 1 ์ด์ƒ 31 ์ดํ•˜์˜ ์ˆซ์ž๊ฐ€ ์•„๋‹Œ ๊ฒฝ์šฐ, "[ERROR] ์œ ํšจํ•˜์ง€ ์•Š์€ ๋‚ ์งœ์ž…๋‹ˆ๋‹ค. ๋‹ค์‹œ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”." ์ถœ๋ ฅํ•œ๋‹ค. + +### ๋ฉ”๋‰ด +- ๋ฉ”๋‰ด์˜ ์ข…๋ฅ˜๋Š” ์—ํ”ผํƒ€์ด์ €, ๋ฉ”์ธ, ๋””์ €ํŠธ, ์Œ๋ฃŒ๊ฐ€ ์žˆ๋‹ค. +- ์—ํ”ผํƒ€์ด์ € + - ์–‘์†ก์ด์ˆ˜ํ”„(6,000), ํƒ€ํŒŒ์Šค(5,500), ์‹œ์ €์ƒ๋Ÿฌ๋“œ(8,000) +- ๋ฉ”์ธ + - ํ‹ฐ๋ณธ์Šคํ…Œ์ดํฌ(55,000), ๋ฐ”๋น„ํ๋ฆฝ(54,000), ํ•ด์‚ฐ๋ฌผํŒŒ์Šคํƒ€(35,000), ํฌ๋ฆฌ์Šค๋งˆ์ŠคํŒŒ์Šคํƒ€(25,000) +- ๋””์ €ํŠธ + - ์ดˆ์ฝ”์ผ€์ดํฌ(15,000), ์•„์ด์Šคํฌ๋ฆผ(5,000) +- ์Œ๋ฃŒ + - ์ œ๋กœ์ฝœ๋ผ(3,000), ๋ ˆ๋“œ์™€์ธ(60,000), ์ƒดํŽ˜์ธ(25,000) + +### ๋ฉ”๋‰ด ์„ ํƒ + - ์ฃผ๋ฌธํ•  ๋ฉ”๋‰ด์™€ ๊ฐœ์ˆ˜๋ฅผ ์ž…๋ ฅํ•œ๋‹ค. (e.g. "ํƒ€ํŒŒ์Šค-1,ํ•ด์‚ฐ๋ฌผํŒŒ์Šคํƒ€-2,๋ ˆ๋“œ์™€์ธ-2") + - ๋ฉ”๋‰ด ํ˜•์‹์ด ์˜ˆ์‹œ์™€ ๋‹ค๋ฅธ ๊ฒฝ์šฐ, "[ERROR] ์œ ํšจํ•˜์ง€ ์•Š์€ ์ฃผ๋ฌธ์ž…๋‹ˆ๋‹ค. ๋‹ค์‹œ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”."๋ผ๋Š” ์—๋Ÿฌ ๋ฉ”์‹œ์ง€ ์ถœ๋ ฅ + - ๋ฉ”๋‰ดํŒ์— ์—†๋Š” ๋ฉ”๋‰ด๋ฅผ ์ž…๋ ฅํ•˜๋Š” ๊ฒฝ์šฐ, "[ERROR] ์œ ํšจํ•˜์ง€ ์•Š์€ ์ฃผ๋ฌธ์ž…๋‹ˆ๋‹ค. ๋‹ค์‹œ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”."๋ผ๋Š” ์—๋Ÿฌ ๋ฉ”์‹œ์ง€ ์ถœ๋ ฅํ•œ๋‹ค. + - ๋ฉ”๋‰ด์˜ ๊ฐœ์ˆ˜๊ฐ€ 1 ์ด์ƒ์˜ ์ˆซ์ž๊ฐ€ ์•„๋‹Œ ๊ฒฝ์šฐ "[ERROR] ์œ ํšจํ•˜์ง€ ์•Š์€ ์ฃผ๋ฌธ์ž…๋‹ˆ๋‹ค. ๋‹ค์‹œ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”."๋ผ๋Š” ์—๋Ÿฌ ๋ฉ”์‹œ์ง€ ์ถœ๋ ฅํ•œ๋‹ค. + - ์ค‘๋ณต ๋ฉ”๋‰ด๋ฅผ ์ž…๋ ฅํ•œ ๊ฒฝ์šฐ(e.g. ์‹œ์ €์ƒ๋Ÿฌ๋“œ-1,์‹œ์ €์ƒ๋Ÿฌ๋“œ-1), "[ERROR] ์œ ํšจํ•˜์ง€ ์•Š์€ ์ฃผ๋ฌธ์ž…๋‹ˆ๋‹ค. ๋‹ค์‹œ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”."๋ผ๋Š” ์—๋Ÿฌ ๋ฉ”์‹œ์ง€ ์ถœ๋ ฅํ•œ๋‹ค. + +### ํ˜œํƒ ํ”Œ๋žœ ์•ˆ๋‚ด + - ์ฃผ๋ฌธ ๋ฉ”๋‰ด ์•ˆ๋‚ด + - ์ฃผ๋ฌธํ•œ ๋ฉ”๋‰ด์™€ ๊ฐœ์ˆ˜ ์ถœ๋ ฅํ•œ๋‹ค. + ``` + <์ฃผ๋ฌธ ๋ฉ”๋‰ด> + ํƒ€ํŒŒ์Šค 1๊ฐœ + ํ•ด์‚ฐ๋ฌผํŒŒ์Šคํƒ€ 2๊ฐœ + ๋ ˆ๋“œ์™€์ธ 2๊ฐœ + ``` + + - ์ด์ฃผ๋ฌธ ๊ธˆ์•ก ์•ˆ๋‚ด + - ํ• ์ธ ์ „ ์ด์ฃผ๋ฌธ ๊ธˆ์•ก์„ ์ถœ๋ ฅํ•œ๋‹ค. + ``` + <ํ• ์ธ ์ „ ์ด์ฃผ๋ฌธ ๊ธˆ์•ก> + 195,500์› + ``` + + - ์ฆ์ • ๋ฉ”๋‰ด ์•ˆ๋‚ด + - ์ฆ์ • ์‚ฌํ•ญ์ด ์—†๋Š” ๊ฒฝ์šฐ "์—†์Œ" ์ถœ๋ ฅํ•œ๋‹ค. + - ์ฆ์ • ์žˆ๋Š” ๊ฒฝ์šฐ ์ฆ์ •ํ’ˆ๊ณผ ์ฆ์ • ๊ฐœ์ˆ˜๋ฅผ ์ถœ๋ ฅํ•œ๋‹ค. + ``` + <์ฆ์ • ๋ฉ”๋‰ด> + ์ƒดํŽ˜์ธ 1๊ฐœ + ``` + + - ํ˜œํƒ ๋‚ด์—ญ ์•ˆ๋‚ด + - ์—ฌ๋Ÿฌ๊ฐœ์˜ ํ˜œํƒ์ด ์ ์šฉ๋  ์ˆ˜ ์žˆ๋‹ค. + - ์ ์šฉ๋œ ์ด๋ฒคํŠธ ๋‚ด์—ญ๋งŒ ์ถœ๋ ฅํ•œ๋‹ค. + - ์ ์šฉ๋œ ์ด๋ฒคํŠธ๊ฐ€ ํ•˜๋‚˜๋„ ์—†๋‹ค๋ฉด ํ˜œํƒ ๋‚ด์—ญ "์—†์Œ"์„ ์ถœ๋ ฅํ•œ๋‹ค. + ``` + ํฌ๋ฆฌ์Šค๋งˆ์Šค ๋””๋ฐ์ด ํ• ์ธ: -3,400์› + ํŠน๋ณ„ ํ• ์ธ: -1,000์› + ์ฆ์ • ์ด๋ฒคํŠธ: -25,000์› + ``` + + - ์ดํ˜œํƒ ๊ธˆ์•ก ์•ˆ๋‚ด + - ์ด ํ˜œํƒ ๊ธˆ์•ก์€ ํ• ์ธ ๊ธˆ์•ก์˜ ํ•ฉ๊ณ„์™€ ์ฆ์ • ๋ฉ”๋‰ด์˜ ๊ฐ€๊ฒฉ์„ ํ•ฉํ•œ ๊ธˆ์•ก์ด๋‹ค. + ``` + <์ดํ˜œํƒ ๊ธˆ์•ก> + -29,400์› + ``` + + - ํ• ์ธ ํ›„ ์˜ˆ์ƒ ๊ฒฐ์ œ ๊ธˆ์•ก ์•ˆ๋‚ด + - ์˜ˆ์ƒ ๊ฒฐ์ œ ๊ธˆ์•ก์€ ํ• ์ธ ์ „ ์ด์ฃผ๋ฌธ ๊ธˆ์•ก์—์„œ ํ• ์ธ ๊ธˆ์•ก์„ ์ œํ•œ ๊ธˆ์•ก์ด๋‹ค. + ``` + <ํ• ์ธ ํ›„ ์˜ˆ์ƒ ๊ฒฐ์ œ ๊ธˆ์•ก> + 199,900์› + ``` + + - 12์›” ์ด๋ฒคํŠธ ๋ฐฐ์ง€ ์•ˆ๋‚ด + - ์ดํ˜œํƒ ๊ธˆ์•ก์— ๋”ฐ๋ผ ๋ฐ›์€ ๋ฐฐ์ง€๋ฅผ ์ถœ๋ ฅํ•œ๋‹ค. + ``` + <12์›” ์ด๋ฒคํŠธ ๋ฐฐ์ง€> + ์‚ฐํƒ€ + ``` + + +### ์ฃผ๋ฌธ +- ์Œ๋ฃŒ๋งŒ ์ฃผ๋ฌธ ์‹œ, ์ฃผ๋ฌธํ•  ์ˆ˜ ์—†๋‹ค. +- ๋ฉ”๋‰ด๋Š” ํ•œ ๋ฒˆ์— ์ตœ๋Œ€ 20๊ฐœ ๊นŒ์ง€๋งŒ ์ฃผ๋ฌธํ•  ์ˆ˜ ์žˆ๋‹ค. + - (e.g. ์‹œ์ €์ƒ๋Ÿฌ๋“œ-1, ํ‹ฐ๋ณธ์Šคํ…Œ์ดํฌ-1, ํฌ๋ฆฌ์Šค๋งˆ์ŠคํŒŒ์Šคํƒ€-1, ์ œ๋กœ์ฝœ๋ผ-3, ์•„์ด์Šคํฌ๋ฆผ-1์˜ ์ด๊ฐœ์ˆ˜๋Š” 7๊ฐœ) + +### ์ด๋ฒคํŠธ +- ํ• ์ธ + - ๋””๋ฐ์ด ํ• ์ธ + - ์ ์šฉ ๊ธฐ๊ฐ„ : 2023.12.1 ~ 2023.12.25 + - ํ• ์ธ ๋Œ€์ƒ : ์ด ์ฃผ๋ฌธ ๊ธˆ์•ก + - ํ• ์ธ ๊ธˆ์•ก : ๋‚ ์งœ๋ณ„ ํ• ์ธ ๊ธˆ์•ก + - 1,000์›์œผ๋กœ ์‹œ์ž‘, ๋‚ ๋งˆ๋‹ค ํ• ์ธ ๊ธˆ์•ก์ด 100์›์”ฉ ์ฆ๊ฐ€ + - (e.g. ์‹œ์ž‘์ผ์ธ 12์›” 1์ผ์— 1,000์›, 25์ผ์—” 3,400์› ํ• ์ธ) + - ํ‰์ผ ํ• ์ธ + - ์ ์šฉ ๊ธฐ๊ฐ„ : 2023.12.1 ~ 2023.12.31 ๋‚ด ๋งค์ฃผ ์ผ์š”์ผ ~ ๋ชฉ์š”์ผ + - ํ• ์ธ ๋Œ€์ƒ : ๋””์ €ํŠธ ๋ฉ”๋‰ด ๊ธˆ์•ก + - ํ• ์ธ ๊ธˆ์•ก : ๋””์ €ํŠธ ๋ฉ”๋‰ด 1๊ฐœ๋‹น 2,023์› ํ• ์ธ + - (e.g. ๋””์ €ํŠธ ๋‘ ๊ฐœ ์ฃผ๋ฌธ ์‹œ 4,046์› ํ• ์ธ) + - ์ฃผ๋ง ํ• ์ธ + - ์ ์šฉ ๊ธฐ๊ฐ„ : 2023.12.1 ~ 2023.12.31 ๋‚ด ๋งค์ฃผ ๊ธˆ์š”์ผ, ํ† ์š”์ผ + - ํ• ์ธ ๋Œ€์ƒ : ๋ฉ”์ธ ๋ฉ”๋‰ด + - ํ• ์ธ ๊ธˆ์•ก : ๋ฉ”์ธ ๋ฉ”๋‰ด 1๊ฐœ๋‹น 2,023์› ํ• ์ธ + - ํŠน๋ณ„ ํ• ์ธ + - ์ ์šฉ ๊ธฐ๊ฐ„ : 2023.12.1 ~ 2023.12.31 ๋‚ด ์ด๋ฒคํŠธ ๋‹ฌ๋ ฅ์— ๋ณ„์ด ์žˆ๋Š” ๋‚ ๋“ค + - ํ• ์ธ ๋Œ€์ƒ : ์ด ์ฃผ๋ฌธ ๊ธˆ์•ก + - ํ• ์ธ ๊ธˆ์•ก : 1,000์› ํ• ์ธ +- ์ฆ์ • + - ์ ์šฉ ๊ธฐ๊ฐ„ : 2023.12.1 ~ 2023.12.31 + - ์ฆ์ • ์กฐ๊ฑด : ํ• ์ธ ์ „ ์ด ์ฃผ๋ฌธ ๊ธˆ์•ก์ด 12๋งŒ์› ์ด์ƒ + - ์ฆ์ •ํ’ˆ : ์ƒดํŽ˜์ธ 1๊ฐœ +- ํ• ์ธ๊ณผ ์ฆ์ •์€ ์ค‘๋ณต๋  ์ˆ˜ ์žˆ๋‹ค. +- ๋ชจ๋“  ์ด๋ฒคํŠธ๋Š” ์ด์ฃผ๋ฌธ ๊ธˆ์•ก 10,000์› ์ด์ƒ์ผ๋•Œ ์ ์šฉ ๊ฐ€๋Šฅํ•˜๋‹ค. + +### ์ด๋ฒคํŠธ ๋ฐฐ์ง€ +- ์ดํ˜œํƒ ๊ธˆ์•ก์— ๋”ฐ๋ผ ๋ฐฐ์ง€๊ฐ€ ๋‹ค๋ฅด๋‹ค. + - ๋ณ„ : ์ดํ˜œํƒ ๊ธˆ์•ก์ด ์˜ค์ฒœ์› ์ด์ƒ + - ํŠธ๋ฆฌ : ์ดํ˜œํƒ ๊ธˆ์•ก์ด 1๋งŒ์› ์ด์ƒ + - ์‚ฐํƒ€ : ์ดํ˜œํƒ ๊ธˆ์•ก์ด 2๋งŒ์› ์ด์ƒ + +## ๐ŸŽ ๊ธฐ๋Šฅ ๋ชฉ๋ก + +### ๋ฐฉ๋ฌธ ๋‚ ์งœ +- [x] 1~31 ์ค‘ ๋ฐฉ๋ฌธ ๋‚ ์งœ๋ฅผ ์„ ํƒํ•  ์ˆ˜ ์žˆ๋‹ค. + - [x] ์˜ˆ์™ธ ์ฒ˜๋ฆฌ + - [x] 1~31์˜ ์ˆซ์ž๊ฐ€ ์•„๋‹Œ ๊ฒฝ์šฐ "[ERROR] ์œ ํšจํ•˜์ง€ ์•Š์€ ๋‚ ์งœ์ž…๋‹ˆ๋‹ค. ๋‹ค์‹œ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”."๋ผ๋Š” ์—๋Ÿฌ ๋ฉ”์‹œ์ง€๋ฅผ ์ถœ๋ ฅํ•˜๊ณ  ๋‹ค์‹œ ์ž…๋ ฅ๋ฐ›๋Š”๋‹ค. +- [x] ์„ ํƒํ•œ ๋ฐฉ๋ฌธ ๋‚ ์งœ๊ฐ€ ๋ฌด์Šจ ์š”์ผ์ธ์ง€ ํŒ๋ณ„ํ•œ๋‹ค. +- [x] ์„ ํƒํ•œ ๋ฐฉ๋ฌธ ๋‚ ์งœ๊ฐ€ ํŠน์ •๋‚ ๋กœ๋ถ€ํ„ฐ ๋ช‡๋ฒˆ์งธ ๋‚ ์งœ์ธ์ง€ ํŒ๋ณ„ํ•œ๋‹ค. +- [x] ์„ ํƒํ•œ ๋ฐฉ๋ฌธ ๋‚ ์งœ๊ฐ€ ํŠน์ • ๋‚ ์งœ๋“ค ์ค‘ ํ•˜๋‚˜์ธ์ง€ ํŒ๋ณ„ํ•œ๋‹ค. +- [x] ์„ ํƒํ•œ ๋ฐฉ๋ฌธ ๋‚ ์งœ๊ฐ€ ํŠน์ • ๊ธฐ๊ฐ„์— ํฌํ•จ๋˜๋Š” ์ง€ ํŒ๋ณ„ํ•œ๋‹ค. + +### ๋ฉ”๋‰ด ์„ ํƒ +- [x] ๊ณ ๊ฐ์€ ๋ฉ”๋‰ด์— ์กด์žฌํ•˜๋Š” ๋ฉ”๋‰ด๋ฅผ ์ฃผ๋ฌธํ•  ์ˆ˜ ์žˆ๋‹ค. + - [x] ์ฃผ๋ฌธํ•œ ์ƒํ’ˆ์ด ๋ฉ”๋‰ด์— ์กด์žฌํ•˜๋Š”์ง€ ํŒ๋‹จํ•œ๋‹ค. +- [x] ์˜ˆ์™ธ ์ฒ˜๋ฆฌ + - [x] ๋ฉ”๋‰ดํŒ์— ์—†๋Š” ๋ฉ”๋‰ด๋ฅผ ์ž…๋ ฅํ•˜๋Š” ๊ฒฝ์šฐ, "[ERROR] ์œ ํšจํ•˜์ง€ ์•Š์€ ์ฃผ๋ฌธ์ž…๋‹ˆ๋‹ค. ๋‹ค์‹œ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”."๋ผ๋Š” ์—๋Ÿฌ ๋ฉ”์‹œ์ง€ ์ถœ๋ ฅํ•˜๊ณ  ๋‹ค์‹œ ์ž…๋ ฅ๋ฐ›๋Š”๋‹ค. + - [x] ์ค‘๋ณต ๋ฉ”๋‰ด๋ฅผ ์ž…๋ ฅํ•œ ๊ฒฝ์šฐ(e.g. ์‹œ์ €์ƒ๋Ÿฌ๋“œ-1,์‹œ์ €์ƒ๋Ÿฌ๋“œ-1), "[ERROR] ์œ ํšจํ•˜์ง€ ์•Š์€ ์ฃผ๋ฌธ์ž…๋‹ˆ๋‹ค. ๋‹ค์‹œ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”."๋ผ๋Š” ์—๋Ÿฌ ๋ฉ”์‹œ์ง€ ์ถœ๋ ฅํ•˜๊ณ  ๋‹ค์‹œ ์ž…๋ ฅ๋ฐ›๋Š”๋‹ค. + - [x] ์ฃผ๋ฌธ ๊ฐœ์ˆ˜๊ฐ€ 1๋ณด๋‹ค ์ž‘์€ ๊ฒฝ์šฐ "[ERROR] ์œ ํšจํ•˜์ง€ ์•Š์€ ์ฃผ๋ฌธ์ž…๋‹ˆ๋‹ค. ๋‹ค์‹œ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”."๋ผ๋Š” ์—๋Ÿฌ ๋ฉ”์‹œ์ง€ ์ถœ๋ ฅํ•˜๊ณ  ๋‹ค์‹œ ์ž…๋ ฅ๋ฐ›๋Š”๋‹ค. +- [x] ์„ ํƒํ•œ ๋ฉ”๋‰ด์˜ ์ด ๊ฐœ์ˆ˜๋ฅผ ๊ตฌํ•œ๋‹ค. +- [x] ์„ ํƒํ•œ ๋ฉ”๋‰ด๋“ค์ด ๋ชจ๋‘ ํŠน์ • ์นดํ…Œ๊ณ ๋ฆฌ์— ํ•ด๋‹นํ•˜๋Š”์ง€ ๊ตฌํ•œ๋‹ค. +- [x] ์„ ํƒํ•œ ๋ฉ”๋‰ด๋“ค ์ค‘ ํŠน์ • ์นดํ…Œ๊ณ ๋ฆฌ์— ํ•ด๋‹นํ•˜๋Š” ๋ฉ”๋‰ด์˜ ๊ฐœ์ˆ˜๋ฅผ ๊ตฌํ•œ๋‹ค. +- [x] ์ด ์ฃผ๋ฌธ ๊ธˆ์•ก์„ ๊ตฌํ•œ๋‹ค. + +### ์ฃผ๋ฌธ +- [x] ์˜ˆ์™ธ ์ฒ˜๋ฆฌ + - [x] ์Œ๋ฃŒ๋งŒ ์ฃผ๋ฌธ ์‹œ "[ERROR] ์œ ํšจํ•˜์ง€ ์•Š์€ ์ฃผ๋ฌธ์ž…๋‹ˆ๋‹ค. ๋‹ค์‹œ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”."๋ผ๋Š” ์—๋Ÿฌ ๋ฉ”์‹œ์ง€ ์ถœ๋ ฅํ•˜๊ณ  ๋‹ค์‹œ ์ž…๋ ฅ๋ฐ›๋Š”๋‹ค. + - [x] ์ฃผ๋ฌธ ๋ฉ”๋‰ด๊ฐ€ 20๊ฐœ "[ERROR] ์œ ํšจํ•˜์ง€ ์•Š์€ ์ฃผ๋ฌธ์ž…๋‹ˆ๋‹ค. ๋‹ค์‹œ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”."๋ผ๋Š” ์—๋Ÿฌ ๋ฉ”์‹œ์ง€ ์ถœ๋ ฅํ•˜๊ณ  ๋‹ค์‹œ ์ž…๋ ฅ๋ฐ›๋Š”๋‹ค. +- [x] ์ ์šฉ๋œ ์ฆ์ •ํ’ˆ์„ ๊ตฌํ•œ๋‹ค. +- [x] ์ด ํ˜œํƒ ๊ธˆ์•ก์„ ๊ตฌํ•œ๋‹ค. +- [x] ์ด ํ• ์ธ ๊ธˆ์•ก์„ ๊ตฌํ•œ๋‹ค. + +### ์ด๋ฒคํŠธ ์ ์šฉ +- [x] 10000์› ์ด์ƒ์ด๋ฉด ์ด๋ฒคํŠธ๋ฅผ ์ ์šฉํ•œ๋‹ค. +- [x] ์ ์šฉ๋˜๋Š” ๋””๋ฐ์ด ํ• ์ธ ๊ธˆ์•ก์„ ๊ตฌํ•œ๋‹ค. +- [x] ์ ์šฉ๋˜๋Š” ํ‰์ผ ํ• ์ธ ๊ธˆ์•ก์„ ๊ตฌํ•œ๋‹ค. +- [x] ์ ์šฉ๋˜๋Š” ์ฃผ๋ง ํ• ์ธ์„ ๊ตฌํ•œ๋‹ค. +- [x] ์ ์šฉ๋˜๋Š” ํŠน๋ณ„ ํ• ์ธ ๊ธˆ์•ก์„ ๊ตฌํ•œ๋‹ค. +- [x] ํ• ์ธ ์ „ ์ด ์ฃผ๋ฌธ ๊ธˆ์•ก์ด 12๋งŒ์› ์ด์ƒ์ด๋ฉด ์ฆ์ •ํ’ˆ์„ ์ฆ์ •ํ•œ๋‹ค. +- [x] ์ฆ์ •ํ’ˆ ์ ์šฉ ๊ธˆ์•ก์„ ๊ตฌํ•œ๋‹ค. + +### ์ด๋ฒคํŠธ ๋ฐฐ์ง€ +- [x] ์ด ํ˜œํƒ ๊ธˆ์•ก์— ๋”ฐ๋ฅธ ๋ฐฐ์ง€๋ฅผ ๊ตฌํ•œ๋‹ค. + +### ์ž…๋ ฅ +- [x] ๋ฐฉ๋ฌธ ๋‚ ์งœ๋ฅผ ์ž…๋ ฅ๋ฐ›๋Š”๋‹ค. + - [x] ์˜ˆ์™ธ ์ฒ˜๋ฆฌ + - [x] ์ˆซ์ž๊ฐ€ ์•„๋‹Œ ๊ฒฝ์šฐ ์—๋Ÿฌ ๋ฉ”์‹œ์ง€๋ฅผ ์ถœ๋ ฅํ•˜๊ณ  ๋‹ค์‹œ ์ž…๋ ฅ๋ฐ›๋Š”๋‹ค. +- [x] ๋ฉ”๋‰ด๋ฅผ ์ž…๋ ฅ๋ฐ›๋Š”๋‹ค. + - [x] ์˜ˆ์™ธ ์ฒ˜๋ฆฌ + - [x] ๋ฉ”๋‰ด์˜ ๊ฐœ์ˆ˜๋Š” 1 ์ด์ƒ์˜ ์ˆซ์ž๊ฐ€ ์•„๋‹Œ ๊ฒฝ์šฐ "[ERROR] ์œ ํšจํ•˜์ง€ ์•Š์€ ์ฃผ๋ฌธ์ž…๋‹ˆ๋‹ค. ๋‹ค์‹œ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”."๋ผ๋Š” ์—๋Ÿฌ ๋ฉ”์‹œ์ง€ ์ถœ๋ ฅ + - [x] ๋ฉ”๋‰ด ํ˜•์‹์ด ์˜ˆ์‹œ์™€ ๋‹ค๋ฅธ ๊ฒฝ์šฐ, "[ERROR] ์œ ํšจํ•˜์ง€ ์•Š์€ ์ฃผ๋ฌธ์ž…๋‹ˆ๋‹ค. ๋‹ค์‹œ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”."๋ผ๋Š” ์—๋Ÿฌ ๋ฉ”์‹œ์ง€ ์ถœ๋ ฅ + +### ์ถœ๋ ฅ +- [x] ์ฃผ๋ฌธ ๋ฉ”๋‰ด๋ฅผ ์ถœ๋ ฅํ•œ๋‹ค. +- [x] ํ• ์ธ ์ „ ์ด์ฃผ๋ฌธ ๊ธˆ์•ก์„ ์ถœ๋ ฅํ•œ๋‹ค. +- [x] ์ฆ์ • ๋ฉ”๋‰ด๋ฅผ ์ถœ๋ ฅํ•œ๋‹ค. + - [x] ์—†์œผ๋ฉด "์—†์Œ"์„ ์ถœ๋ ฅํ•œ๋‹ค. +- [x] ํ˜œํƒ ๋‚ด์—ญ์„ ์ถœ๋ ฅํ•œ๋‹ค. + - [x] ์—†์œผ๋ฉด "์—†์Œ"์„ ์ถœ๋ ฅํ•œ๋‹ค. +- [x] ์ดํ˜œํƒ ๊ธˆ์•ก์„ ์ถœ๋ ฅํ•œ๋‹ค. +- [x] ํ• ์ธ ํ›„ ์˜ˆ์ƒ ๊ฒฐ์ œ ๊ธˆ์•ก์„ ์ถœ๋ ฅํ•œ๋‹ค. +- [x] 12์›” ์ด๋ฒคํŠธ ๋ฐฐ์ง€๋ฅผ ์ถœ๋ ฅํ•œ๋‹ค. + - [x] ์—†์œผ๋ฉด ์—†์Œ์„ ์ถœ๋ ฅํ•œ๋‹ค. + + +## ๐ŸŽ ์ฃผ์š” ํด๋ž˜์Šค์™€ ๋ฉ”์„œ๋“œ +<table> + <thead> + <tr> + <th>ํด๋ž˜์Šค</th></th> + <th>์†Œ๊ฐœ</th> + </tr> + </thead> + <tbody> + <tr> + <td rowspan=2>Date</td> + <td>๋ฐฉ๋ฌธ ๋‚ ์งœ๋ฅผ ์ถ”์ƒํ™”ํ•œ ํด๋ž˜์Šค<br> 1 ~ 31 ์‚ฌ์ด์˜ ์ •์ˆ˜๋งŒ ๊ฐ€์งˆ ์ˆ˜ ์žˆ๋Š” ์ž๋ฃŒ๊ตฌ์กฐ </td> + </tr> + <tr> + <td>dayFromDate(int) : ๋ฐฉ๋ฌธ ๋‚ ์งœ๊ฐ€ ํŒŒ๋ผ๋ฏธํ„ฐ์˜ ๋‚ ์งœ๋กœ๋ถ€ํ„ฐ ๋ช‡๋ฒˆ์งธ ๋‚ ์ธ์ง€ ๋ฐ˜ํ™˜<br> + dayOfWeek(): ๋ฐฉ๋ฌธ ๋‚ ์งœ๊ฐ€ ๋ฌด์Šจ ์š”์ผ์ธ์ง€ ๋ฐ˜ํ™˜<br> + isIncluded(List&lt;Integer&gt;): ๋ฐฉ๋ฌธ ๋‚ ์งœ๊ฐ€ ํŒŒ๋ผ๋ฏธํ„ฐ๋กœ ๋“ค์–ด์˜จ ๋‚ ์งœ๋“ค ์ค‘ ํ•˜๋‚˜์ธ์ง€ ๋ฐ˜ํ™˜<br> + isInRange(int,int): ๋ฐฉ๋ฌธ๋‚ ์งœ๊ฐ€ ํŒŒ๋ผ๋ฏธํ„ฐ๋กœ ๋“ค์–ด์˜จ ์ฒซ๋ฒˆ์งธ ๋‚ ์งœ์™€ ๋‘๋ฒˆ์งธ ๋‚ ์งœ ์‚ฌ์ด์˜ ๋‚ ์ธ์ง€ ๋ฐ˜ํ™˜ </td> + </tr> + <tr> + <td rowspan=2>Menus</td> + <td>์„ ํƒํ•œ ๋ฉ”๋‰ด๋“ค์„ ์ถ”์ƒํ™”ํ•œ ํด๋ž˜์Šค<br>๋ฉ”๋‰ดํŒ์˜ ๋ฉ”๋‰ด๋“ค์„ ์ตœ๋Œ€ 20๊ฐœ๊นŒ์ง€ ๋‹ด์„ ์ˆ˜ ์žˆ๋Š” ์ž๋ฃŒ๊ตฌ์กฐ</td> + </tr> + <tr> + <td>isAllInCategory(Category): ์„ ํƒํ•œ ๋ฉ”๋‰ด๋“ค์ด ๋ชจ๋‘ ํŒŒ๋ผ๋ฏธํ„ฐ๋กœ ๋“ค์–ด์˜จ ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋ฉ”๋‰ด์ธ์ง€ ๋ฐ˜ํ™˜<br> + countByCategory(Category): ์„ ํƒํ•œ ๋ฉ”๋‰ด๋“ค ์ค‘ ํŒŒ๋ผ๋ฏธํ„ฐ๋กœ ๋“ค์–ด์˜จ ์นดํ…Œ๊ณ ๋ฆฌ์— ํ•ด๋‹นํ•˜๋Š” ๋ฉ”๋‰ด์˜ ๊ฐœ์ˆ˜๋ฅผ ๋ฐ˜ํ™˜<br> + totalCount(): ์„ ํƒํ•œ ๋ฉ”๋‰ด๋“ค์˜ ์ด๊ฐœ์ˆ˜๋ฅผ ๋ฐ˜ํ™˜<br> + totalAmount(): ์„ ํƒํ•œ ๋ฉ”๋‰ด๋“ค์˜ ์ด๊ธˆ์•ก์„ ๋ฐ˜ํ™˜ <br></td> + </tr> + <tr> + <td rowspan=2>Order</td> + <td>์ฃผ๋ฌธ์„ ์ถ”์ƒํ™”ํ•œ ํด๋ž˜์Šค<br>์Œ๋ฃŒ๋งŒ ์ฃผ๋ฌธํ•˜๊ฑฐ๋‚˜ 20๊ฐœ ๋„˜๋Š” ์ฃผ๋ฌธ์€ ํ—ˆ์šฉํ•˜์ง€ ์•Š๋Š” ์ž๋ฃŒ๊ตฌ์กฐ</td> + </tr> + <tr> + <td>benefitDetails(): ์„ ํƒํ•œ ๋‚ ์งœ์— ์„ ํƒํ•œ ๋ฉ”๋‰ด๋“ค์„ ์ฃผ๋ฌธํ•˜๋ฉด ๋ฐ›๊ฒŒ๋˜๋Š” ํ•ดํƒ ๋‚ด์—ญ ๋ฐ˜ํ™˜<br> + totalBenefit(): ์ ์šฉ๋˜๋Š” ๋ชจ๋“  ํ˜œํƒ์„ ํ•ฉํ•œ ๊ธˆ์•ก์„ ๋ฐ˜ํ™˜<br> + totalDiscount(): ์ ์šฉ๋˜๋Š” ๋ชจ๋“  ํ• ์ธ์„ ํ•ฉํ•œ ๊ธˆ์•ก์„ ๋ฐ˜ํ™˜<br> + finalAmount(): ํ• ์ธ ์ ์šฉ ํ›„ ์‹ค์ œ ๊ฒฐ์ œํ•  ๊ธˆ์•ก์„ ๋ฐ˜ํ™˜<br></td> + </tr> + </tbody> +</table> + + +<table> + <thead> + <tr> + <th>๊ตฌ๋ถ„</th> + <th>ํด๋ž˜์Šค</th> + <th>์†Œ๊ฐœ</th> + </tr> + </thead> + <tbody> + <tr> + <td rowspan=2>์ธํ„ฐํŽ˜์ด์Šค</td> + <td rowspan=2>EventPolicy</td> + <td>์ฆ์ •/ํ• ์ธ ์ด๋ฒคํŠธ๋ฅผ ์ถ”์ƒํ™”ํ•œ ์ธํ„ฐํŽ˜์ด์Šค</td> + </tr> + <tr> + <td>isApplicableMenus(Menus): ์„ ํƒํ•œ ๋ฉ”๋‰ด๋“ค์ด 10000์› ์ด์ƒ์ธ์ง€ ๋ฐ˜ํ™˜<br> + canBeApplied(Date, Menus): ์ด๋ฒคํŠธ ์กฐ๊ฑด์— ๋งŒ์กฑํ•˜๋Š” ๋‚ ์งœ/๋ฉ”๋‰ด์ธ์ง€ ๋ฐ˜ํ™˜ํ•˜๋Š” ์ถ”์ƒ๋ฉ”์„œ๋“œ<br> amount(Date, Menus): ์ด๋ฒคํŠธ ์ ์šฉ ๊ธˆ์•ก์„ ๋ฐ˜ํ™˜ํ•˜๋Š” ์ถ”์ƒ๋ฉ”์„œ๋“œ</td> + </tr> + <tr> + <td rowspan=10>๊ตฌํ˜„์ฒด</td> + <td rowspan=2>DDayDiscount</td> + <td>๋””๋ฐ์ด ํ• ์ธ์„ ์ถ”์ƒํ™”ํ•œ ํด๋ž˜์Šค</td> + </tr> + <tr> + <td>canBeApplied(Date, Menus): ์„ ํƒํ•œ ๋ฉ”๋‰ด๋“ค์ด 10000์› ์ด์ƒ์ด๋ฉด์„œ ๋ฐฉ๋ฌธ์ผ์ด 1~25 ์‚ฌ์ด ์ธ์ง€ ๋ฐ˜ํ™˜<br> + amount(Date, Menus): ๋‚ ์งœ์— ๋”ฐ๋ผ ์ ์šฉ ๊ฐ€๋Šฅํ•œ ๋””๋ฐ์ด ํ• ์ธ ๊ธˆ์•ก ๋ฐ˜ํ™˜</td> + </tr> + <tr> + <td rowspan=2>WeekdayDiscount</td> + <td>ํ‰์ผ ํ• ์ธ์„ ์ถ”์ƒํ™”ํ•œ ํด๋ž˜์Šค</td> + </tr> + <tr> + <td>canBeApplied(Date, Menus): ์„ ํƒํ•œ ๋ฉ”๋‰ด๋“ค์ด 10000์› ์ด์ƒ์ด๋ฉด์„œ ๋ฐฉ๋ฌธ์ผ์ด ํ‰์ผ์ธ์ง€ ๋ฐ˜ํ™˜<br> + amount(Date, Menus): ๋””์ €ํŠธ ๊ฐœ์ˆ˜๋กœ ์ ์šฉ ๊ฐ€๋Šฅํ•œ ํ‰์ผ ํ• ์ธ ๊ธˆ์•ก ๋ฐ˜ํ™˜</td> + </tr> + <tr> + <td rowspan=2>WeekendDiscount</td> + <td>์ฃผ๋ง ํ• ์ธ์„ ์ถ”์ƒํ™”ํ•œ ํด๋ž˜์Šค</td> + </tr> + <tr> + <td>canBeApplied(Date, Menus): ์„ ํƒํ•œ ๋ฉ”๋‰ด๋“ค์ด 10000์› ์ด์ƒ์ด๋ฉด์„œ ๋ฐฉ๋ฌธ์ผ์ด ์ฃผ๋ง์ธ์ง€ ๋ฐ˜ํ™˜<br> + amount(Date, Menus): ๋ฉ”์ธ ๋ฉ”๋‰ด๊ฐœ์ˆ˜๋กœ ์ ์šฉ ๊ฐ€๋Šฅํ•œ ์ฃผ๋ง ํ• ์ธ ๊ธˆ์•ก ๋ฐ˜ํ™˜</td> + </tr> + <tr> + <td rowspan=2>SpecialDiscount</td> + <td>ํŠน๋ณ„ ํ• ์ธ์„ ์ถ”์ƒํ™”ํ•œ ํด๋ž˜์Šค</td> + </tr> + <tr> + <td>canBeApplied(Date, Menus): ์„ ํƒํ•œ ๋ฉ”๋‰ด๋“ค์ด 10000์› ์ด์ƒ์ด๋ฉด์„œ ๋ฐฉ๋ฌธ์ผ์ด ๋ณ„๋‹ฌ๋ฆฐ ๋‚ ์ธ์ง€ ๋ฐ˜ํ™˜<br> + amount(Date, Menus): ์ ์šฉ ๊ฐ€๋Šฅํ•œ ํŠน๋ณ„ ํ• ์ธ ๊ธˆ์•ก ๋ฐ˜ํ™˜</td> + </tr> <tr> + <td rowspan=2>Giveaway</td> + <td>์ฆ์ • ์ด๋ฒคํŠธ๋ฅผ ์ถ”์ƒํ™”ํ•œ ํด๋ž˜์Šค</td> + </tr> + <tr> + <td>canBeApplied(Date, Menus): ์„ ํƒํ•œ ๋ฉ”๋‰ด๋“ค์ด 120000์› ์ด์ƒ์ธ์ง€ ๋ฐ˜ํ™˜<br> + amount(Date, Menus): ์ ์šฉ๊ฐ€๋Šฅํ•œ ์ฆ์ •ํ’ˆ ๊ธˆ์•ก์„ ๋ฐ˜ํ™˜<br> + giveGiveaway(Date, Menus): ์ ์šฉ๊ฐ€๋Šฅํ•œ ์ฆ์ •ํ’ˆ๊ณผ ์ฆ์ •ํ’ˆ ๊ธˆ์•ก์„ ๋ฐ˜ํ™˜</td> + </tr> + </tbody> +</table>
Unknown
๊ธฐ๋Šฅ์ด ์„ธ์„ธํ•˜๊ณ  ์ฃผ์š” ํด๋ž˜์Šค ์ •๋ฆฌ๋˜์–ด ์žˆ์–ด์„œ ์ดํ•ดํ•˜๊ธฐ ํŽธํ–ˆ์Šต๋‹ˆ๋‹ค. ํ”„๋กœ์ ํŠธ ๊ตฌ์กฐ๊ฐ€ ์–ด๋–ป๊ฒŒ ์ด๋ฃจ์–ด์ ธ์žˆ๋Š”์ง€๋„ ์ž‘์„ฑํ•ด์ฃผ์‹œ๋ฉด ๋” ์ดํ•ดํ•˜๊ธฐ ์ข‹์„๊ฒƒ ๊ฐ™๋„ค์š”! ๐Ÿ˜€
@@ -0,0 +1,42 @@ +package christmas.view; + +import static christmas.controller.Parser.parseDate; +import static christmas.controller.Parser.parseMenus; + +import camp.nextstep.edu.missionutils.Console; +import christmas.exception.ErrorMessage; +import christmas.exception.PromotionException; +import java.util.List; + +public class InputView { + private static final String DATE_PATTERN = "[\\d]{1,2}"; + private static final String MENUS_PATTERN = "(([๊ฐ€-ํžฃ]+)-([\\d]{1,2}),)*([๊ฐ€-ํžฃ]+)-([\\d]{1,2})"; + + public int readVisitDate() { + System.out.println("12์›” ์ค‘ ์‹๋‹น ์˜ˆ์ƒ ๋ฐฉ๋ฌธ ๋‚ ์งœ๋Š” ์–ธ์ œ์ธ๊ฐ€์š”? (์ˆซ์ž๋งŒ ์ž…๋ ฅํ•ด ์ฃผ์„ธ์š”!)"); + String date = Console.readLine(); + validateDateInput(date); + return parseDate(date); + } + + private void validateDateInput(String input) { + if (input.matches(DATE_PATTERN)) { + return; + } + throw new PromotionException(ErrorMessage.INVALID_DATE_MESSAGE); + } + + public List<String> readMenus() { + System.out.println("์ฃผ๋ฌธํ•˜์‹ค ๋ฉ”๋‰ด๋ฅผ ๋ฉ”๋‰ด์™€ ๊ฐœ์ˆ˜๋ฅผ ์•Œ๋ ค ์ฃผ์„ธ์š”. (e.g. ํ•ด์‚ฐ๋ฌผํŒŒ์Šคํƒ€-2,๋ ˆ๋“œ์™€์ธ-1,์ดˆ์ฝ”์ผ€์ดํฌ-1)"); + String menus = Console.readLine().trim(); + validateMenuInput(menus); + return parseMenus(menus, ","); + } + + private void validateMenuInput(String menus) { + if (menus.matches(MENUS_PATTERN)) { + return; + } + throw new PromotionException(ErrorMessage.INVALID_ORDER_MESSAGE); + } +}
Java
๋น„๋ก ํ•œ๋ฒˆ๋งŒ ์“ฐ์ผ ๋ฌธ์žฅ์ด์—ฌ๋„ ๋ฆฌํŽ™ํ† ๋ง์ด ํŽธํ•˜๊ณ  ๊ฐ€๋…์„ฑ์„ ์œ„ํ•ด ์ƒ์ˆ˜๋กœ ๋ถ„๋ฆฌํ•˜๋Š” ๊ฒƒ์ด ์ข‹๋‹ค๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค! ```suggestion private final static String ASK_ORDER_MESSAGE = "์ฃผ๋ฌธํ•˜์‹ค ๋ฉ”๋‰ด๋ฅผ ๋ฉ”๋‰ด์™€ ๊ฐœ์ˆ˜๋ฅผ ์•Œ๋ ค ์ฃผ์„ธ์š”. (e.g. ํ•ด์‚ฐ๋ฌผํŒŒ์Šคํƒ€-2,๋ ˆ๋“œ์™€์ธ-1,์ดˆ์ฝ”์ผ€์ดํฌ-1)"; System.out.println(ASK_ORDER_MESSAGE); ```
@@ -1,7 +1,19 @@ package christmas; +import christmas.back.application.service.ClientService; +import christmas.back.application.service.MenuOrderService; +import christmas.front.controller.IOController; +import christmas.back.controller.PlannerController; +import christmas.front.view.InputView; +import christmas.front.view.OutputView; + public class Application { public static void main(String[] args) { - // TODO: ํ”„๋กœ๊ทธ๋žจ ๊ตฌํ˜„ + var clientService = new ClientService(); + var menuOrderService = new MenuOrderService(); + var ioController = new IOController(new InputView(),new OutputView()); + PlannerController plannerController = new PlannerController(ioController,clientService,menuOrderService); + plannerController.startPlanner(); + plannerController.showOrderResult(); } }
Java
var๋ฅผ ์ด์šฉํ•˜์‹  ํŠน๋ณ„ํ•œ ์ด์œ ๊ฐ€ ์žˆ์„๊นŒ์š”?
@@ -0,0 +1,102 @@ +package christmas.front.controller; + +import christmas.back.domain.event.config.EventType; +import christmas.back.domain.order.MenuOrders; +import christmas.front.view.InputView; +import christmas.front.view.OutputView; +import java.util.List; +import java.util.Map; + +public class IOController { + private final InputView inputView; + public final OutputView outputView; + + public IOController(InputView inputView ,OutputView outputView) { + this.inputView = inputView; + this.outputView = outputView; + } + + public Integer getVisitDay() { + String givenDate = inputView.readDate(); + try { + InputValidate.numberCheck(givenDate); + Integer result = Integer.parseInt(givenDate); + InputValidate.dateRangeCheck(result); + return result; + } catch (IllegalArgumentException e) { + outputView.printError(e.getMessage()); + return getVisitDay(); + } + } + + public MenuOrders readMenuAndAmount() { + String order = inputView.readMenuAndAmount(); + try { + MenuOrders orders = new MenuOrders(InputValidate.orderCheck(order)); + showEventApplyMessaged(orders); + return orders; + } catch (IllegalArgumentException e) { + outputView.printError(e.getMessage()); + return readMenuAndAmount(); + } + } + + private void showEventApplyMessaged(MenuOrders orders) { + if(orders.canNotGetEvent()) { + outputView.showEventDenyMessage(); + outputView.showDelimeterLineInPlanner(); + } + } + + public void showEventDayIntroMessage(Integer visitDay) { + outputView.showEventDayIntroMessage(visitDay); + } + + public void showOrderCompleteMessage(MenuOrders orders) { + outputView.showOrderCompleteMessage(orders); + } + + public void showBeforeDisCountMessage(Integer beforeDiscount) { + outputView.showBeforeDisCountMessage(beforeDiscount); + } + + public void showExtraItemEventMessage(String showExtra) { + outputView.showExtraItemEventMessage(showExtra); + } + public void showEventItemsHeaderMessage(){ + outputView.showEventItemsHeaderMessage(); + } + public void showTotalDiscountMessage(Integer totalAmount) { + outputView.showTotalDiscountMessage(totalAmount); + } + + public void showAfterDiscount(Integer money) { + outputView.showAfterDiscount(money); + } + + public void showEventBadge(String badge) { + outputView.showEventBadge(badge); + } + + public void showLine() { + outputView.showDelimeterLineInPlanner(); + } + + public void showBenefit(List<Map<EventType,Integer>> benefit) { + if(benefit.isEmpty()) { + showNoBenefit(); + return; + } + benefit.forEach(this::showSingleBenefit); + } + private void showSingleBenefit(Map<EventType,Integer> benefit){ + Map.Entry<EventType, Integer> entry = benefit.entrySet().iterator().next(); + EventType benefitType = entry.getKey(); + Integer benefitAmount = entry.getValue(); + outputView.showBenefitByType(benefitType,benefitAmount); + } + + public void showNoBenefit() { + outputView.showNoEventResult(); + } +}
Java
InputValidate.orderCheck(order) ์ด ๋ถ€๋ถ„์„ MenuOrders์˜ ๋‚ด๋ถ€ ์ƒ์„ฑ์ž๋กœ ์˜ฎ๊ธฐ๋Š” ๊ฑด ์–ด๋–ป๊ฒŒ ์ƒ๊ฐํ•˜์‹œ๋‚˜์š”? ์ฃผ๋ฌธ ๋ฉ”๋‰ด๊ฐ€ ๋ชจ๋‘ ์Œ๋ฃŒ์ธ์ง€, ์ด ์ฃผ๋ฌธ ๊ฐœ์ˆ˜๊ฐ€ 20๊ฐœ๋ฅผ ์ดˆ๊ณผํ•˜๋Š”์ง€ ๊ฒ€์ฆํ•˜๋Š” ์ฑ…์ž„์€ MenuOrders๊ฐ€ ๋งก๋Š”๊ฒŒ ์ข‹๋‹ค๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค.
@@ -0,0 +1,21 @@ +package christmas.back.domain.event.config; + +import christmas.back.domain.event.gift.GiftEvent; +import christmas.back.domain.event.discount.DdayEvent; +import christmas.back.domain.event.discount.SpecialEvent; +import christmas.back.domain.event.discount.WeekEvent; +import christmas.back.domain.event.discount.WeekendEvent; +import java.util.ArrayList; +import java.util.List; + +public class EventConfig { + public static List<BaseEvent> configEvent() { + List<BaseEvent> arr = new ArrayList<>(); + arr.add(new DdayEvent()); + arr.add(new SpecialEvent(List.of(3, 10, 17, 24, 25, 31))); + arr.add(new WeekendEvent(List.of(1, 2, 8, 9, 15, 16, 22, 23, 29, 30))); + arr.add(new WeekEvent(List.of(3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 17, 18, 19, 20, 21, 24, 25, 26, 27, 28, 31))); + arr.add(new GiftEvent()); + return arr; + } +}
Java
ํ‰์ผ๊ณผ ์ฃผ๋ง์„ ๊ตฌ๋ถ„ํ•˜๋Š” ๋ฐฉ๋ฒ•์€ ์š”์ผ์„ ์‚ฌ์šฉํ•ด๋ณด์…จ์œผ๋ฉด ์ข‹์„ ๊ฒƒ ๊ฐ™์€๋ฐ ์–ด๋–ป๊ฒŒ ์ƒ๊ฐํ•˜์‹œ๋‚˜์š”? e.g.) ์ €๋Š” LocalDate ์™€ getDayOfWeek()๋ฅผ ์‚ฌ์šฉํ–ˆ์Šต๋‹ˆ๋‹ค.
@@ -0,0 +1,33 @@ +package christmas.back.domain.event.discount; + +import christmas.back.domain.event.config.BaseEvent; +import christmas.back.domain.event.config.EventType; +import christmas.back.domain.order.MenuOrders; +import christmas.back.domain.user.model.Client; +import java.util.HashMap; +import java.util.Map; + +public class DdayEvent extends BaseEvent { + private static final Integer D_DAY_BASE_MONEY = 1000; + private static final Integer D_DAY_BASE_DAY = 25; + @Override + public Boolean canGetEvent(Client client , MenuOrders menuOrders) { + return client.canGetEventByCheckDDay(D_DAY_BASE_DAY); + } + @Override + public Map<EventType,Integer> getEventBenefit(Client client,MenuOrders menuOrders) { + int amount = eventBenefitCalculate(client.getVisitDay()); + Map<EventType, Integer> benefitMap = new HashMap<>(); + benefitMap.put(EventType.DDayEvent, amount); + return benefitMap; + } + @Override + public void updateClientBenefit(Client client,MenuOrders menuOrders) { + client.joinEvent(); + int benefit = eventBenefitCalculate(client.getVisitDay()); + client. addBenefitToTotalDiscountAndEventBenefit(benefit); + } + public Integer eventBenefitCalculate(Integer givenDay){ + return D_DAY_BASE_MONEY + (givenDay - 1) * 100; + } +}
Java
๊ธฐ์™•์ด๋ฉด 1๊ณผ 100๋„ ์ƒ์ˆ˜๋กœ ๋ณ€๊ฒฝํ•˜์…”๋„ ์ข‹์„ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค!
@@ -0,0 +1,33 @@ +package christmas.back.domain.event.discount; + +import christmas.back.domain.event.config.BaseEvent; +import christmas.back.domain.event.config.EventType; +import christmas.back.domain.order.MenuOrders; +import christmas.back.domain.user.model.Client; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +public class SpecialEvent extends BaseEvent { + public static final Integer SPECIAL_EVENT_BENEFIT_VALUE = 1000; + private final List<Integer> days; + + public SpecialEvent(List<Integer> days) { + this.days = days; + } + @Override + public Boolean canGetEvent(Client client, MenuOrders menuOrders) { + return days.contains(client.getVisitDay()); + } + @Override + public Map<EventType,Integer> getEventBenefit(Client client,MenuOrders menuOrders) { + Map<EventType, Integer> benefitMap = new HashMap<>(); + benefitMap.put(EventType.SpecialEvent,SPECIAL_EVENT_BENEFIT_VALUE); + return benefitMap; + } + @Override + public void updateClientBenefit(Client client,MenuOrders menuOrders) { + client.joinEvent(); + client. addBenefitToTotalDiscountAndEventBenefit(SPECIAL_EVENT_BENEFIT_VALUE); + } +}
Java
client. addBenefitToTotalDiscountAndEventBenefit . ๋‹ค์Œ์— ๋„์–ด์“ฐ๊ธฐ ์˜คํƒ€๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค!
@@ -0,0 +1,61 @@ +package christmas.back.domain.menu; + +public enum MenuItem { + + APPETIZER_BUTTON_MUSHROOM_SOUP("์• ํ”ผํƒ€์ด์ €", "์–‘์†ก์ด์ˆ˜ํ”„", 6000), + APPETIZER_TAPAS("์• ํ”ผํƒ€์ด์ €", "ํƒ€ํŒŒ์Šค", 5500), + APPETIZER_CAESAR_SALAD("์• ํ”ผํƒ€์ด์ €", "์‹œ์ €์ƒ๋Ÿฌ๋“œ", 8000), + + MAIN_T_BONE_STEAK("๋ฉ”์ธ", "ํ‹ฐ๋ณธ์Šคํ…Œ์ดํฌ", 55000), + MAIN_BBQ_RIB("๋ฉ”์ธ", "๋ฐ”๋น„ํ๋ฆฝ", 54000), + MAIN_SEAFOOD_PASTA("๋ฉ”์ธ", "ํ•ด์‚ฐ๋ฌผํŒŒ์Šคํƒ€", 35000), + MAIN_CHRISTMAS_PASTA("๋ฉ”์ธ", "ํฌ๋ฆฌ์Šค๋งˆ์ŠคํŒŒ์Šคํƒ€", 25000), + + DESSERT_CHOCO_CAKE("๋””์ €ํŠธ", "์ดˆ์ฝ”์ผ€์ดํฌ", 15000), + DESSERT_ICE_CREAM("๋””์ €ํŠธ", "์•„์ด์Šคํฌ๋ฆผ", 5000), + + BEVERAGE_ZERO_COLA("์Œ๋ฃŒ", "์ œ๋กœ์ฝœ๋ผ", 3000), + BEVERAGE_RED_WINE("์Œ๋ฃŒ", "๋ ˆ๋“œ์™€์ธ", 60000), + BEVERAGE_CHAMPAGNE("์Œ๋ฃŒ", "์ƒดํŽ˜์ธ", 25000); + + private final String category; + private final String itemName; + private final int itemPrice; + + MenuItem(String category, String itemName, int itemPrice) { + this.category = category; + this.itemName = itemName; + this.itemPrice = itemPrice; + } + + public static MenuItem getMenuByName(String menuName) { + for (MenuItem item : values()) { + if (item.getItemName().equals(menuName)) { + return item; + } + } + return null; + } + + public static boolean isNotMenu(String givenName) { + for (MenuItem item : values()) { + if (item.getItemName().equals(givenName)) { + return false; + } + } + return true; + } + + public String getCategory() { + return category; + } + + public String getItemName() { + return itemName; + } + + public int getItemPrice() { + return itemPrice; + } + +}
Java
๋ถ„๋ฅ˜๋„ enum์œผ๋กœ ๊ด€๋ฆฌํ•˜๋Š” ๊ฑด ์–ด๋–ป๊ฒŒ ์ƒ๊ฐํ•˜์‹œ๋‚˜์š”? ํ•ด๋‹น ๋ถ„๋ฅ˜์˜ ๋ฉ”๋‰ด๋ฅผ ์ฐพ์„ ๋•Œ๋„ String ๋ฌธ์ž์—ด๋กœ ์ฐพ๋Š” ๊ฒƒ๋ณด๋‹จ enum์œผ๋กœ ์ •์˜๋œ ๋ถ„๋ฅ˜๋กœ ์ฐพ๋Š”๊ฒŒ ๋” ์ข‹๋‹ค๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค.
@@ -0,0 +1,37 @@ +package christmas.back.domain.event.discount; + +import christmas.back.domain.event.config.BaseEvent; +import christmas.back.domain.event.config.EventType; +import christmas.back.domain.order.MenuOrders; +import christmas.back.domain.user.model.Client; + +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +public class WeekendEvent extends BaseEvent { + public static final Integer WEEKEND_EVENT_BENEFIT_VALUE = 2023; + + public WeekendEvent(List<Integer> days) { + this.days = days; + } + + private final List<Integer> days; + @Override + public Boolean canGetEvent(Client client, MenuOrders menuOrders) { + return days.contains(client.getVisitDay()) & menuOrders.isOrderHaveMenu("๋ฉ”์ธ"); + } + @Override + public Map<EventType,Integer> getEventBenefit(Client client,MenuOrders menuOrders) { + int amount = WEEKEND_EVENT_BENEFIT_VALUE * menuOrders.getValueSumByMenu("๋ฉ”์ธ"); + Map<EventType, Integer> benefitMap = new HashMap<>(); + benefitMap.put(EventType.WeekendEvent, amount); + return benefitMap; + } + @Override + public void updateClientBenefit(Client client,MenuOrders menuOrders) { + client.joinEvent(); + int amount = WEEKEND_EVENT_BENEFIT_VALUE * menuOrders.getValueSumByMenu("๋ฉ”์ธ"); + client.addBenefitToTotalDiscountAndEventBenefit(amount); + } +}
Java
์„ ์–ธ ์ˆœ์„œ๊ฐ€ ์„ž์—ฌ์žˆ๋Š” ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค!
@@ -0,0 +1,37 @@ +package christmas.back.domain.event.discount; + +import christmas.back.domain.event.config.BaseEvent; +import christmas.back.domain.event.config.EventType; +import christmas.back.domain.order.MenuOrders; +import christmas.back.domain.user.model.Client; + +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +public class WeekendEvent extends BaseEvent { + public static final Integer WEEKEND_EVENT_BENEFIT_VALUE = 2023; + + public WeekendEvent(List<Integer> days) { + this.days = days; + } + + private final List<Integer> days; + @Override + public Boolean canGetEvent(Client client, MenuOrders menuOrders) { + return days.contains(client.getVisitDay()) & menuOrders.isOrderHaveMenu("๋ฉ”์ธ"); + } + @Override + public Map<EventType,Integer> getEventBenefit(Client client,MenuOrders menuOrders) { + int amount = WEEKEND_EVENT_BENEFIT_VALUE * menuOrders.getValueSumByMenu("๋ฉ”์ธ"); + Map<EventType, Integer> benefitMap = new HashMap<>(); + benefitMap.put(EventType.WeekendEvent, amount); + return benefitMap; + } + @Override + public void updateClientBenefit(Client client,MenuOrders menuOrders) { + client.joinEvent(); + int amount = WEEKEND_EVENT_BENEFIT_VALUE * menuOrders.getValueSumByMenu("๋ฉ”์ธ"); + client.addBenefitToTotalDiscountAndEventBenefit(amount); + } +}
Java
menuOrders.getValueSumByMenu("๋ฉ”์ธ"); ์ด ๋‹ค์†Œ ๋ชจํ˜ธํ•œ ๊ฒƒ ๊ฐ™์€๋ฐ ์–ด๋–ป๊ฒŒ ์ƒ๊ฐํ•˜์‹œ๋‚˜์š”? ๋งฅ๋ฝ์ƒ ํ• ์ธ ๊ธˆ์•ก์œผ๋กœ ๋ณด์ด๋Š”๋ฐ ๋ช…ํ™•ํ•˜๊ฒŒ ํ‘œํ˜„ํ•˜๋ฉด ๋” ์ข‹์ง€ ์•Š์„๊นŒ ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค.
@@ -0,0 +1,35 @@ +package christmas.back.domain.event.gift; + +import christmas.back.domain.event.config.BaseEvent; +import christmas.back.domain.order.MenuOrders; +import christmas.back.domain.user.model.Client; +import christmas.back.domain.event.config.EventType; +import christmas.back.domain.menu.MenuItem; +import java.util.HashMap; +import java.util.Map; + +public class GiftEvent extends BaseEvent { + private static final Integer GIFT_EVENT_BENEFIT_VALUE = 25000; + private static final Integer DECEMBER_GIFT_EVENT_MIN_MONEY = 120000; + public static String getGiftMenu(Client client) { + if (client.checkCanGetEvent(DECEMBER_GIFT_EVENT_MIN_MONEY)) { + return MenuItem.BEVERAGE_CHAMPAGNE.getItemName(); + } + return "์—†์Œ"; + } + @Override + public Boolean canGetEvent(Client client, MenuOrders menuOrders) { + return client.checkCanGetEvent(DECEMBER_GIFT_EVENT_MIN_MONEY); + } + @Override + public Map<EventType, Integer> getEventBenefit(Client client,MenuOrders menuOrders) { + Map<EventType, Integer> benefitMap = new HashMap<>(); + benefitMap.put(EventType.GiftEvent,GIFT_EVENT_BENEFIT_VALUE); + return benefitMap; + } + @Override + public void updateClientBenefit(Client client,MenuOrders menuOrders) { + client.joinEvent(); + client.addBenefitToTotalEventAmount(GIFT_EVENT_BENEFIT_VALUE); + } +}
Java
์ˆซ์ž์— ๋‹จ์œ„๋ณ„ ๊ตฌ๋ถ„์ž๋ฅผ ๋„ฃ์œผ๋ฉด ๊ฐ€๋…์„ฑ์ด ์ข‹์•„์งˆ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค! e.g.) 25_000, 120_000
@@ -0,0 +1,66 @@ +package christmas.back.domain.order; + +import christmas.back.domain.menu.MenuItem; + +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.TreeMap; + +public class MenuOrders { + private final Long id; + private final Map<MenuItem, Integer> orders; + + private MenuOrders(Long id, Map<MenuItem, Integer> orders) { + OrderValidate.checkOrders(orders); + this.id = id; + this.orders = orders; + } + + public MenuOrders(Map<MenuItem, Integer> orders) { + this(null, new TreeMap<>(orders)); + } + + public MenuOrders(Long id, MenuOrders menuOrders) { + this(id, menuOrders.orders); + } + + public List<Map<String, Integer>> getOrderForMessage() { + return orders.entrySet().stream() + .map(entry -> { + Map<String, Integer> orderMap = new HashMap<>(); + orderMap.put(entry.getKey().getItemName(), entry.getValue()); + return orderMap; + }) + .toList(); + } + + public Integer getTotalAmountBeforeDiscount() { + return orders.entrySet().stream() + .mapToInt(entry -> entry.getKey().getItemPrice() * entry.getValue()) + .sum(); + } + + public boolean isOrderHaveMenu(String menu) { + return orders.entrySet().stream() + .anyMatch(entry -> entry.getKey().getCategory().equals(menu)); + } + + public Integer getValueSumByMenu(String menu) { + return orders.entrySet().stream() + .filter(entry -> entry.getKey().getCategory().equals(menu)) + .mapToInt(Map.Entry::getValue) + .sum(); + } + + public Boolean canNotGetEvent() { + int totalPrice = orders.entrySet().stream() + .mapToInt(entry -> entry.getKey().getItemPrice() * entry.getValue()) + .sum(); + return totalPrice < 10000; + } + + public Long getId() { + return id; + } +}
Java
MenuOrders๊ฐ€ ์ฃผ๋ฌธ ๋ชฉ๋ก์„ ๊ด€๋ฆฌํ•˜๋Š” ์ฑ…์ž„ ์™ธ์— ์ด๋ฒคํŠธ ์ฐธ์—ฌ ์—ฌ๋ถ€์˜ ์ฑ…์ž„๊นŒ์ง€ ๊ฐ€์ง„ ๊ฒƒ์œผ๋กœ ๋ณด์ด๋Š”๋ฐ ๋ถ„๋ฆฌํ•˜๋Š” ๊ฑด ์–ด๋–ป๊ฒŒ ์ƒ๊ฐํ•˜์‹œ๋‚˜์š”?
@@ -1,7 +1,19 @@ package christmas; +import christmas.back.application.service.ClientService; +import christmas.back.application.service.MenuOrderService; +import christmas.front.controller.IOController; +import christmas.back.controller.PlannerController; +import christmas.front.view.InputView; +import christmas.front.view.OutputView; + public class Application { public static void main(String[] args) { - // TODO: ํ”„๋กœ๊ทธ๋žจ ๊ตฌํ˜„ + var clientService = new ClientService(); + var menuOrderService = new MenuOrderService(); + var ioController = new IOController(new InputView(),new OutputView()); + PlannerController plannerController = new PlannerController(ioController,clientService,menuOrderService); + plannerController.startPlanner(); + plannerController.showOrderResult(); } }
Java
์˜์กด์„ฑ์„ ์ƒ๊ฐํ•˜์—ฌ ๋ช…์‹œ์ ์œผ๋กœ ๋ฐ˜ํ™˜ ํด๋ผ์Šค๋ฅผ ์ ๋Š”๊ฒƒ์— ๋‹จ์ ์ด ์žˆ์–ด ํ”ผํ•˜๊ณ ์ž ํ–ˆ์Šต๋‹ˆ๋‹ค. ๋ฐ˜ํ™˜ ํƒ€์ž…์ด ์ ํžˆ๋Š” ์ˆœ๊ฐ„์— ๊ฐ€๋…์„ฑ์€ ์ข‹์•„์ง€์ง€๋งŒ, ํด๋ผ์Šค๋ช…์ด ๋ฐ”๋€Œ๋ฉด ๊ฐ™์ด ์ˆ˜์ •ํ•  ๋ฒ”์œ„๊ฐ€ ๋Š˜์–ด๋‚˜๋Š”๊ฒƒ์„ ์ƒ๊ฐํ–ˆ์Šต๋‹ˆ๋‹ค
@@ -0,0 +1,21 @@ +package christmas.back.domain.event.config; + +import christmas.back.domain.event.gift.GiftEvent; +import christmas.back.domain.event.discount.DdayEvent; +import christmas.back.domain.event.discount.SpecialEvent; +import christmas.back.domain.event.discount.WeekEvent; +import christmas.back.domain.event.discount.WeekendEvent; +import java.util.ArrayList; +import java.util.List; + +public class EventConfig { + public static List<BaseEvent> configEvent() { + List<BaseEvent> arr = new ArrayList<>(); + arr.add(new DdayEvent()); + arr.add(new SpecialEvent(List.of(3, 10, 17, 24, 25, 31))); + arr.add(new WeekendEvent(List.of(1, 2, 8, 9, 15, 16, 22, 23, 29, 30))); + arr.add(new WeekEvent(List.of(3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 17, 18, 19, 20, 21, 24, 25, 26, 27, 28, 31))); + arr.add(new GiftEvent()); + return arr; + } +}
Java
์ข‹์€ ์•„์ด๋””์–ด ๊ฐ™์Šต๋‹ˆ๋‹ค ๊ณ ๋ คํ• ๋งŒ ํ•œ๊ฒƒ ๊ฐ™๋„ค์š”
@@ -0,0 +1,61 @@ +package christmas.back.domain.menu; + +public enum MenuItem { + + APPETIZER_BUTTON_MUSHROOM_SOUP("์• ํ”ผํƒ€์ด์ €", "์–‘์†ก์ด์ˆ˜ํ”„", 6000), + APPETIZER_TAPAS("์• ํ”ผํƒ€์ด์ €", "ํƒ€ํŒŒ์Šค", 5500), + APPETIZER_CAESAR_SALAD("์• ํ”ผํƒ€์ด์ €", "์‹œ์ €์ƒ๋Ÿฌ๋“œ", 8000), + + MAIN_T_BONE_STEAK("๋ฉ”์ธ", "ํ‹ฐ๋ณธ์Šคํ…Œ์ดํฌ", 55000), + MAIN_BBQ_RIB("๋ฉ”์ธ", "๋ฐ”๋น„ํ๋ฆฝ", 54000), + MAIN_SEAFOOD_PASTA("๋ฉ”์ธ", "ํ•ด์‚ฐ๋ฌผํŒŒ์Šคํƒ€", 35000), + MAIN_CHRISTMAS_PASTA("๋ฉ”์ธ", "ํฌ๋ฆฌ์Šค๋งˆ์ŠคํŒŒ์Šคํƒ€", 25000), + + DESSERT_CHOCO_CAKE("๋””์ €ํŠธ", "์ดˆ์ฝ”์ผ€์ดํฌ", 15000), + DESSERT_ICE_CREAM("๋””์ €ํŠธ", "์•„์ด์Šคํฌ๋ฆผ", 5000), + + BEVERAGE_ZERO_COLA("์Œ๋ฃŒ", "์ œ๋กœ์ฝœ๋ผ", 3000), + BEVERAGE_RED_WINE("์Œ๋ฃŒ", "๋ ˆ๋“œ์™€์ธ", 60000), + BEVERAGE_CHAMPAGNE("์Œ๋ฃŒ", "์ƒดํŽ˜์ธ", 25000); + + private final String category; + private final String itemName; + private final int itemPrice; + + MenuItem(String category, String itemName, int itemPrice) { + this.category = category; + this.itemName = itemName; + this.itemPrice = itemPrice; + } + + public static MenuItem getMenuByName(String menuName) { + for (MenuItem item : values()) { + if (item.getItemName().equals(menuName)) { + return item; + } + } + return null; + } + + public static boolean isNotMenu(String givenName) { + for (MenuItem item : values()) { + if (item.getItemName().equals(givenName)) { + return false; + } + } + return true; + } + + public String getCategory() { + return category; + } + + public String getItemName() { + return itemName; + } + + public int getItemPrice() { + return itemPrice; + } + +}
Java
์‹œ๊ฐ„์ด ์—†์–ด ๋ชป ๋ฐ”๊พผ.. ์ข‹์€ ์ƒ๊ฐ์ธ๊ฒƒ๊ฐ™์•„์š” ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค
@@ -0,0 +1,66 @@ +package christmas.back.domain.order; + +import christmas.back.domain.menu.MenuItem; + +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.TreeMap; + +public class MenuOrders { + private final Long id; + private final Map<MenuItem, Integer> orders; + + private MenuOrders(Long id, Map<MenuItem, Integer> orders) { + OrderValidate.checkOrders(orders); + this.id = id; + this.orders = orders; + } + + public MenuOrders(Map<MenuItem, Integer> orders) { + this(null, new TreeMap<>(orders)); + } + + public MenuOrders(Long id, MenuOrders menuOrders) { + this(id, menuOrders.orders); + } + + public List<Map<String, Integer>> getOrderForMessage() { + return orders.entrySet().stream() + .map(entry -> { + Map<String, Integer> orderMap = new HashMap<>(); + orderMap.put(entry.getKey().getItemName(), entry.getValue()); + return orderMap; + }) + .toList(); + } + + public Integer getTotalAmountBeforeDiscount() { + return orders.entrySet().stream() + .mapToInt(entry -> entry.getKey().getItemPrice() * entry.getValue()) + .sum(); + } + + public boolean isOrderHaveMenu(String menu) { + return orders.entrySet().stream() + .anyMatch(entry -> entry.getKey().getCategory().equals(menu)); + } + + public Integer getValueSumByMenu(String menu) { + return orders.entrySet().stream() + .filter(entry -> entry.getKey().getCategory().equals(menu)) + .mapToInt(Map.Entry::getValue) + .sum(); + } + + public Boolean canNotGetEvent() { + int totalPrice = orders.entrySet().stream() + .mapToInt(entry -> entry.getKey().getItemPrice() * entry.getValue()) + .sum(); + return totalPrice < 10000; + } + + public Long getId() { + return id; + } +}
Java
์ฝ”๋ฉ˜ํŠธ ์ •๋ง ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค. ์‚ฌ์šฉ์ž์—์„œ ํŒ๋ณ„์„ ํ• ์ง€ ์ด๋ฒคํŠธ์—์„œ ํŒ๋ณ„์„ ํ• ์ง€ ๋งŽ์€ ๊ณ ๋ฏผ์„ ํ–ˆ๋˜ ๋ถ€๋ถ„์ธ๋ฐ ๋‹ค์‹œํ•œ๋ฒˆ ์ƒ๊ฐํ•ด๋ณด๊ฒ ์Šต๋‹ˆ๋‹ค! ๋ถ„๋ฆฌ๊ฐ€ ๋งž๋Š”๊ฒƒ ๊ฐ™๋„ค์š” ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค