oldham2 / app.R
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library(shiny)
library(shinythemes)
library(DT)
library(dplyr)
library(tidyr)
library(readr)
library(plotly)
library(stringr)
library(scales)
# ============================================================
# COLUMN CONSTANTS
# ============================================================
PLAYER_COL <- "player_name"
TEAM_COL <- "team_name"
COMP_COL <- "competition_name"
POSITION_COL <- "primary_position"
SECONDARY_POSITION_COL <- "secondary_position"
COUNTRY_COL <- "country_id"
AGE_COL <- "age"
HEIGHT_COL <- "player_height"
WEIGHT_COL <- "player_weight"
MINUTES_COL <- "player_season_minutes"
MARKET_VALUE_COL <- "market_value_eur"
CONTRACT_COL <- "seasons_left_num"
ATTAINABILITY_COL <- "attainability"
TARGET_SCORE_COL <- "target_score"
ARCHETYPE_COL <- "best_position_archetype_name"
ARCHETYPE_SCORE_COL <- "best_position_archetype_score"
CLUB_RANK_COL <- "club_rank"
MATCH_TOUGHNESS_COL <- "match_toughness"
ELO_COL <- "elo"
ATTR_COLS <- c(
"attr_shot_stopping", "attr_sweeping", "attr_ball_claiming",
"attr_short_passing", "attr_long_passing", "attr_pressing",
"attr_duels", "attr_aerial", "attr_possession_retention",
"attr_blocking", "attr_progression", "attr_set_pieces",
"attr_impact", "attr_discipline", "attr_dribbling",
"attr_chance_creation", "attr_finishing", "attr_crossing",
"attr_box_presence", "attr_holdup"
)
POSITION_SCORE_COLS <- c(
"cb_score", "fb_score", "cmd_score", "cma_score",
"wm_score", "cf_score", "st_score", "gk_score"
)
ARCHETYPE_SCORE_COLS <- c(
"score_defensive_cb", "score_pressing_cb", "score_ballplaying_cb",
"score_defensive_fb", "score_attacking_fb", "score_possession_fb",
"score_poacher", "score_target_man", "score_false_nine",
"score_complete_forward", "score_inside_forward",
"score_traditional_winger", "score_playmaking_winger",
"score_pressing_winger", "score_complete_winger",
"score_defensive_midfielder", "score_deep_lying_playmaker",
"score_box_to_box_midfielder", "score_advanced_playmaker",
"score_wide_midfielder", "score_attacking_runner",
"score_shot_stopper_gk", "score_sweeper_keeper_gk",
"score_ball_playing_gk"
)
KEY_METRICS <- c(
"player_season_minutes", "player_season_goals_90",
"player_season_assists_90", "player_season_np_xg_90",
"player_season_xa_90", "player_season_key_passes_90",
"player_season_passing_ratio", "player_season_tackles_90",
"player_season_interceptions_90",
"player_season_tackles_and_interceptions_90",
"player_season_aerial_wins_90", "player_season_aerial_ratio",
"player_season_dribbles_90", "player_season_crosses_90",
"player_season_long_balls_90", "player_season_xgchain_90",
"player_season_xgbuildup_90", "player_season_obv_90"
)
SEARCH_TABLE_COLS <- c(
PLAYER_COL, POSITION_COL, TEAM_COL, COMP_COL, AGE_COL,
COUNTRY_COL, MINUTES_COL, MARKET_VALUE_COL, CONTRACT_COL,
ARCHETYPE_COL, ARCHETYPE_SCORE_COL, TARGET_SCORE_COL,
ATTAINABILITY_COL, POSITION_SCORE_COLS, ATTR_COLS
)
COMPARISON_COLS <- c(
PLAYER_COL, POSITION_COL, TEAM_COL, COMP_COL, AGE_COL,
MARKET_VALUE_COL, CONTRACT_COL, ARCHETYPE_COL,
ARCHETYPE_SCORE_COL, TARGET_SCORE_COL, ATTAINABILITY_COL,
POSITION_SCORE_COLS, ATTR_COLS
)
SHORTLIST_COLS <- c(
PLAYER_COL, POSITION_COL, TEAM_COL, COMP_COL, AGE_COL,
MINUTES_COL, MARKET_VALUE_COL, CONTRACT_COL, ARCHETYPE_COL,
ARCHETYPE_SCORE_COL, TARGET_SCORE_COL, ATTAINABILITY_COL,
KEY_METRICS, ATTR_COLS, POSITION_SCORE_COLS, ARCHETYPE_SCORE_COLS
)
PERFORMANCE_TIME_METRICS <- POSITION_SCORE_COLS
HISTORICAL_SEASONS <- c(
"2122" = "2021-22", "2223" = "2022-23",
"2324" = "2023-24", "2425" = "2024-25"
)
CURRENT_MAIN_SEASON_LABEL <- "2025-26"
# ============================================================
# HELPERS
# ============================================================
clean_colnames <- function(df) {
n <- names(df)
n <- trimws(n)
n <- tolower(n)
n <- gsub("[ \\-/]", "_", n)
n <- gsub("\\.", "_", n)
names(df) <- n
df
}
clean_player_key <- function(x) {
x <- trimws(x)
x <- tolower(x)
x <- gsub("\\.", "", x)
x <- gsub(",", "", x)
x <- gsub("-", " ", x)
x <- gsub(" ", " ", x)
x
}
format_money <- function(x) {
x <- suppressWarnings(as.numeric(x))
result <- character(length(x))
for (i in seq_along(x)) {
if (is.na(x[i])) {
result[i] <- "Not listed"
} else if (x[i] >= 1e6) {
result[i] <- paste0("EUR ", round(x[i] / 1e6, 1), "M")
} else if (x[i] >= 1e3) {
result[i] <- paste0("EUR ", round(x[i] / 1e3, 0), "K")
} else {
result[i] <- paste0("EUR ", round(x[i], 0))
}
}
result
}
clean_value <- function(x) {
if (is.null(x) || length(x) == 0) return("N/A")
if (length(x) == 1 && is.na(x)) return("N/A")
if (is.numeric(x)) return(as.character(round(x, 2)))
as.character(x)
}
pretty_label <- function(col) {
custom <- list(
player_name = "Player", team_name = "Club",
competition_name = "Competition", season_name = "Season",
primary_position = "Primary Position",
secondary_position = "Secondary Position",
country_id = "Country", player_height = "Height",
player_weight = "Weight", player_season_minutes = "Minutes",
market_value_eur = "Market Value",
seasons_left_num = "Seasons Left",
attainability = "Attainability", target_score = "Target Score",
best_position_archetype_name = "Best Archetype",
best_position_archetype_score = "Best Archetype Score",
cb_score = "CB Score", fb_score = "FB Score",
cmd_score = "CMD Score", cma_score = "CMA Score",
wm_score = "WM Score", cf_score = "CF Score",
st_score = "ST Score", gk_score = "GK Score",
club_rank = "Club Rank", match_toughness = "Match Toughness",
elo = "Club ELO", competition_rank = "Competition Rank",
fit_score = "Fit Score", similarity_score = "Similarity Score"
)
if (col %in% names(custom)) return(custom[[col]])
lbl <- col
lbl <- gsub("player_season_", "", lbl)
lbl <- gsub("attr_", "", lbl)
lbl <- gsub("cat_", "", lbl)
lbl <- gsub("score_", "", lbl)
lbl <- gsub("_90$", " Per 90", lbl)
lbl <- gsub("_", " ", lbl)
lbl <- tools::toTitleCase(lbl)
lbl
}
available_cols <- function(cols, df) {
cols[cols %in% names(df)]
}
normalize_0_100 <- function(x) {
x <- suppressWarnings(as.numeric(x))
mn <- min(x, na.rm = TRUE)
mx <- max(x, na.rm = TRUE)
if (is.na(mn) || is.na(mx) || mn == mx) return(rep(0, length(x)))
(x - mn) / (mx - mn) * 100
}
pretty_df <- function(data) {
out <- data
if (MARKET_VALUE_COL %in% names(out)) {
out[[MARKET_VALUE_COL]] <- format_money(out[[MARKET_VALUE_COL]])
}
num_cols <- names(out)[sapply(out, is.numeric)]
for (col in num_cols) {
out[[col]] <- round(out[[col]], 2)
}
new_names <- sapply(names(out), pretty_label)
names(out) <- new_names
out
}
# ============================================================
# LOAD DATA
# ============================================================
load_data <- function() {
df <- tryCatch(
read_csv("OA_sheet_for_app.csv",
locale = locale(encoding = "latin1"),
show_col_types = FALSE),
error = function(e) data.frame()
)
df <- clean_colnames(df)
multi_df <- data.frame()
if (file.exists("all_players_enriched_multiseason.csv")) {
multi_df <- tryCatch(
read_csv("all_players_enriched_multiseason.csv",
locale = locale(encoding = "latin1"),
show_col_types = FALSE),
error = function(e) data.frame()
)
multi_df <- clean_colnames(multi_df)
}
if (PLAYER_COL %in% names(df)) {
df[["_player_key"]] <- clean_player_key(df[[PLAYER_COL]])
}
if (nrow(multi_df) > 0) {
multi_player_col <- NULL
for (pc in c("player_name", "player", "name")) {
if (pc %in% names(multi_df)) {
multi_player_col <- pc
break
}
}
if (!is.null(multi_player_col)) {
multi_df[["_player_key"]] <- clean_player_key(multi_df[[multi_player_col]])
} else {
multi_df[["_player_key"]] <- ""
}
hist_suffixes <- c("_2122", "_2223", "_2324", "_2425")
hist_cols <- names(multi_df)[sapply(names(multi_df), function(cn) {
any(endsWith(cn, hist_suffixes))
})]
if (length(hist_cols) > 0 && "_player_key" %in% names(multi_df)) {
multi_keep <- multi_df[, c("_player_key", hist_cols), drop = FALSE]
multi_keep <- multi_keep[!duplicated(multi_keep[["_player_key"]]), ]
overlap <- hist_cols[hist_cols %in% names(df)]
if (length(overlap) > 0) {
df <- df[, !names(df) %in% overlap, drop = FALSE]
}
df <- merge(df, multi_keep, by = "_player_key", all.x = TRUE)
}
}
# Coerce numeric columns
all_num_cols <- unique(c(
KEY_METRICS, ATTR_COLS, POSITION_SCORE_COLS, ARCHETYPE_SCORE_COLS,
AGE_COL, HEIGHT_COL, WEIGHT_COL, MINUTES_COL, MARKET_VALUE_COL,
ATTAINABILITY_COL, TARGET_SCORE_COL, ARCHETYPE_SCORE_COL,
CLUB_RANK_COL, MATCH_TOUGHNESS_COL, ELO_COL
))
all_num_cols <- available_cols(all_num_cols, df)
hist_num_cols <- names(df)[sapply(names(df), function(cn) {
any(endsWith(cn, paste0("_", names(HISTORICAL_SEASONS))))
})]
for (col in unique(c(all_num_cols, hist_num_cols))) {
df[[col]] <- suppressWarnings(as.numeric(df[[col]]))
}
list(df = df, multi_df = multi_df)
}
# ============================================================
# PLAYER HELPERS
# ============================================================
get_player_row <- function(df, player) {
if (is.null(player) || nchar(trimws(player)) == 0) return(NULL)
if (!PLAYER_COL %in% names(df)) return(NULL)
rows <- df[as.character(df[[PLAYER_COL]]) == as.character(player), ]
if (nrow(rows) == 0) return(NULL)
as.list(rows[1, ])
}
get_player_group <- function(df, row) {
comp <- row[[COMP_COL]]
pos <- row[[POSITION_COL]]
group <- df
if (COMP_COL %in% names(df) && POSITION_COL %in% names(df) &&
!is.null(comp) && !is.na(comp) &&
!is.null(pos) && !is.na(pos)) {
sub <- df[df[[COMP_COL]] == comp & df[[POSITION_COL]] == pos, ]
if (nrow(sub) > 0) group <- sub
}
group
}
top_attr_cols <- function(df, row = NULL, max_cols = 8) {
cols <- available_cols(ATTR_COLS, df)
if (!is.null(row)) {
cols <- cols[sapply(cols, function(cn) {
v <- row[[cn]]
!is.null(v) && length(v) > 0 && !is.na(v)
})]
}
head(cols, max_cols)
}
# ============================================================
# PERFORMANCE OVER TIME
# ============================================================
historical_candidate_columns <- function(base_metric, season_code) {
short_metric <- gsub("player_season_", "", base_metric)
candidates <- c(
paste0(base_metric, "_", season_code),
paste0(short_metric, "_", season_code)
)
if (endsWith(short_metric, "_90")) {
no_90 <- sub("_90$", "", short_metric)
candidates <- c(candidates,
paste0(no_90, "_90_", season_code),
paste0(no_90, "_per_90_", season_code),
paste0(no_90, "_p90_", season_code)
)
}
if (base_metric %in% POSITION_SCORE_COLS) {
pos_code <- sub("_score", "", base_metric)
candidates <- c(candidates,
paste0(pos_code, "_score_", season_code),
paste0(pos_code, "_", season_code)
)
}
unique(tolower(candidates))
}
find_metric_value <- function(row, base_metric, season_code = NULL) {
if (is.null(row)) return(NA_real_)
if (is.null(season_code)) {
v <- row[[base_metric]]
if (is.null(v)) return(NA_real_)
return(suppressWarnings(as.numeric(v)))
}
for (col in historical_candidate_columns(base_metric, season_code)) {
v <- row[[col]]
if (!is.null(v) && length(v) > 0 && !is.na(v)) {
return(suppressWarnings(as.numeric(v)))
}
}
NA_real_
}
get_multiseason_row <- function(multi_df, player) {
if (is.null(multi_df) || nrow(multi_df) == 0) return(NULL)
pk <- clean_player_key(player)
if (!"_player_key" %in% names(multi_df)) return(NULL)
matches <- multi_df[multi_df[["_player_key"]] == pk, ]
if (nrow(matches) == 0) return(NULL)
as.list(matches[1, ])
}
build_performance_metric_options <- function(df, multi_df) {
options <- c()
for (m in PERFORMANCE_TIME_METRICS) {
current_exists <- m %in% names(df)
hist_exists <- FALSE
for (sc in names(HISTORICAL_SEASONS)) {
for (cand in historical_candidate_columns(m, sc)) {
if (cand %in% names(df)) {
hist_exists <- TRUE
break
}
if (!is.null(multi_df) && nrow(multi_df) > 0 && cand %in% names(multi_df)) {
hist_exists <- TRUE
break
}
}
if (hist_exists) break
}
if (current_exists || hist_exists) {
options[pretty_label(m)] <- m
}
}
options
}
# ============================================================
# UI
# ============================================================
ui <- fluidPage(
theme = shinytheme("flatly"),
tags$head(tags$style(HTML(
".container-fluid { max-width: 98%; }
table.dataTable { width: 100% !important; }
.dataTables_wrapper { overflow-x: auto; }
th, td { white-space: nowrap; }"
))),
titlePanel("Oldham Athletic Player Scouting"),
tabsetPanel(id = "main_tabs",
tabPanel("Player Search",
br(),
h4("Search and Filter Players"),
fluidRow(
column(4, textInput("search_box", "Search Player Name", "")),
column(4, selectizeInput("competition_filter", "Competition",
choices = NULL, multiple = TRUE)),
column(4, selectizeInput("team_filter", "Team",
choices = NULL, multiple = TRUE))
),
fluidRow(
column(4, selectizeInput("position_filter", "Position",
choices = NULL, multiple = TRUE)),
column(4, selectizeInput("country_filter", "Country",
choices = NULL, multiple = TRUE))
),
fluidRow(
column(4, uiOutput("age_slider_ui")),
column(4, uiOutput("minutes_slider_ui"))
),
br(),
actionButton("search_btn", "Search Players", class = "btn-primary"),
br(), br(),
DTOutput("search_results"),
verbatimTextOutput("search_status")
),
tabPanel("Player Profile",
br(),
h4("Full Player Profile"),
selectizeInput("selected_player", "Select Player",
choices = NULL, width = "100%"),
fluidRow(
column(8, uiOutput("profile_output")),
column(4, h5("Key Performance Summary"), DTOutput("key_summary"))
),
br(),
h4("Player Metrics"),
selectInput("metric_group", "Metric Group",
choices = c("Attributes", "Position Scores",
"Archetype Scores", "Key Season Stats"),
selected = "Attributes"),
DTOutput("metric_table"),
br(),
fluidRow(
column(6, plotlyOutput("radar_plot", height = "500px")),
column(6, plotlyOutput("percentile_plot", height = "500px"))
),
br(),
fluidRow(
column(6, selectInput("profile_metric", "Performance Metric Over Time",
choices = NULL)),
column(6, br(), actionButton("trend_btn", "Show Performance Chart",
class = "btn-info"))
),
plotlyOutput("trend_plot"),
br(),
textAreaInput("scout_notes", "Scout Notes", rows = 4,
placeholder = "Enter notes to include in the scouting report."),
fluidRow(
column(4, downloadButton("report_btn", "Download Scouting Report (CSV)")),
column(4, actionButton("shortlist_btn", "Add to Shortlist",
class = "btn-success"))
),
br(),
DTOutput("shortlist_from_profile")
),
tabPanel("Player Comparison Tool",
br(),
h4("Compare Up To Three Players"),
fluidRow(
column(4, selectizeInput("compare_1", "Player 1", choices = NULL)),
column(4, selectizeInput("compare_2", "Player 2", choices = NULL)),
column(4, selectizeInput("compare_3", "Player 3", choices = NULL))
),
actionButton("compare_btn", "Compare Players", class = "btn-primary"),
br(), br(),
DTOutput("comparison_table"),
br(),
plotlyOutput("comparison_radar", height = "550px")
),
tabPanel("Fit Score Calculator",
br(),
h4("Fit Score Calculator"),
fluidRow(
column(6, selectizeInput("fit_competition_filter",
"Competitions to Search", choices = NULL, multiple = TRUE)),
column(6, selectizeInput("fit_position_filter",
"Positions to Search", choices = NULL, multiple = TRUE))
),
fluidRow(
column(4, sliderInput("pressing_w", "Pressing", 0, 10, 5, step = 1)),
column(4, sliderInput("duels_w", "Duels", 0, 10, 5, step = 1)),
column(4, sliderInput("aerial_w", "Aerial", 0, 10, 4, step = 1))
),
fluidRow(
column(4, sliderInput("possession_w", "Possession Retention",
0, 10, 5, step = 1)),
column(4, sliderInput("blocking_w", "Blocking", 0, 10, 4, step = 1)),
column(4, sliderInput("progression_w", "Progression",
0, 10, 6, step = 1))
),
fluidRow(
column(4, sliderInput("impact_w", "Impact", 0, 10, 6, step = 1)),
column(4, sliderInput("discipline_w", "Discipline",
0, 10, 3, step = 1)),
column(4, sliderInput("dribbling_w", "Dribbling", 0, 10, 4, step = 1))
),
fluidRow(
column(4, sliderInput("chance_w", "Chance Creation",
0, 10, 5, step = 1)),
column(4, sliderInput("finishing_w", "Finishing", 0, 10, 3, step = 1)),
column(4, sliderInput("crossing_w", "Crossing", 0, 10, 3, step = 1))
),
fluidRow(
column(4, sliderInput("box_w", "Box Presence", 0, 10, 3, step = 1)),
column(4, sliderInput("holdup_w", "Holdup", 0, 10, 3, step = 1)),
column(4, sliderInput("target_w", "Target Score", 0, 10, 7, step = 1))
),
fluidRow(
column(4, sliderInput("attain_w", "Attainability", 0, 10, 6, step = 1))
),
actionButton("fit_btn", "Generate Ranked Recommendations",
class = "btn-primary"),
br(), br(),
DTOutput("fit_table")
),
tabPanel("Similar Player Finder",
br(),
h4("Find Similar Players"),
selectizeInput("similar_player_select", "Select Player",
choices = NULL, width = "60%"),
actionButton("similar_btn", "Find Similar Players",
class = "btn-primary"),
br(), br(),
DTOutput("similar_table")
),
tabPanel("Shortlist Manager",
br(),
h4("Shortlist Manager"),
fluidRow(
column(4, selectizeInput("shortlist_player", "Add Player",
choices = NULL)),
column(2, br(), actionButton("add_shortlist_btn", "Add to Shortlist",
class = "btn-success")),
column(2, br(), actionButton("clear_shortlist_btn", "Clear Shortlist",
class = "btn-danger")),
column(2, br(), downloadButton("export_shortlist_btn", "Export CSV"))
),
br(),
DTOutput("shortlist_table")
)
)
)
# ============================================================
# SERVER
# ============================================================
server <- function(input, output, session) {
app_data <- tryCatch(load_data(), error = function(e) {
showNotification(paste("Error loading data:", e$message),
type = "error", duration = NULL)
list(df = data.frame(), multi_df = data.frame())
})
df <- app_data$df
multi_df <- app_data$multi_df
shortlist <- reactiveVal(character(0))
observe({
req(nrow(df) > 0)
comp_opts <- if (COMP_COL %in% names(df))
sort(unique(na.omit(as.character(df[[COMP_COL]])))) else character(0)
team_opts <- if (TEAM_COL %in% names(df))
sort(unique(na.omit(as.character(df[[TEAM_COL]])))) else character(0)
pos_opts <- if (POSITION_COL %in% names(df))
sort(unique(na.omit(as.character(df[[POSITION_COL]])))) else character(0)
country_opts <- if (COUNTRY_COL %in% names(df))
sort(unique(na.omit(as.character(df[[COUNTRY_COL]])))) else character(0)
base_cols <- available_cols(c(PLAYER_COL, POSITION_COL, TEAM_COL), df)
player_rows <- unique(df[, base_cols, drop = FALSE])
pnames <- as.character(player_rows[[PLAYER_COL]])
ppos <- if (POSITION_COL %in% names(player_rows))
as.character(player_rows[[POSITION_COL]]) else rep("", nrow(player_rows))
pteam <- if (TEAM_COL %in% names(player_rows))
as.character(player_rows[[TEAM_COL]]) else rep("", nrow(player_rows))
labels <- paste0(pnames, " | ", ppos, " | ", pteam)
player_choices <- setNames(pnames, labels)
player_choices <- player_choices[order(names(player_choices))]
perf_opts <- build_performance_metric_options(df, multi_df)
updateSelectizeInput(session, "competition_filter",
choices = comp_opts, server = TRUE)
updateSelectizeInput(session, "team_filter",
choices = team_opts, server = TRUE)
updateSelectizeInput(session, "position_filter",
choices = pos_opts, server = TRUE)
updateSelectizeInput(session, "country_filter",
choices = country_opts, server = TRUE)
updateSelectizeInput(session, "selected_player",
choices = player_choices, server = TRUE)
updateSelectizeInput(session, "compare_1",
choices = c("" = "", player_choices), server = TRUE)
updateSelectizeInput(session, "compare_2",
choices = c("" = "", player_choices), server = TRUE)
updateSelectizeInput(session, "compare_3",
choices = c("" = "", player_choices), server = TRUE)
updateSelectizeInput(session, "fit_competition_filter",
choices = comp_opts, server = TRUE)
updateSelectizeInput(session, "fit_position_filter",
choices = pos_opts, server = TRUE)
updateSelectizeInput(session, "similar_player_select",
choices = player_choices, server = TRUE)
updateSelectizeInput(session, "shortlist_player",
choices = player_choices, server = TRUE)
updateSelectInput(session, "profile_metric", choices = perf_opts)
})
output$age_slider_ui <- renderUI({
age_min <- if (AGE_COL %in% names(df) && any(!is.na(df[[AGE_COL]])))
floor(min(df[[AGE_COL]], na.rm = TRUE)) else 15
age_max <- if (AGE_COL %in% names(df) && any(!is.na(df[[AGE_COL]])))
ceiling(max(df[[AGE_COL]], na.rm = TRUE)) else 45
tagList(
sliderInput("min_age_filter", "Minimum Age",
age_min, age_max, age_min, step = 1),
sliderInput("max_age_filter", "Maximum Age",
age_min, age_max, age_max, step = 1)
)
})
output$minutes_slider_ui <- renderUI({
mx <- if (MINUTES_COL %in% names(df) && any(!is.na(df[[MINUTES_COL]])))
ceiling(max(df[[MINUTES_COL]], na.rm = TRUE)) else 5000
sliderInput("minutes_filter", "Minimum Minutes", 0, mx, 0, step = 100)
})
# ---- SEARCH ----
search_result_df <- eventReactive(input$search_btn, {
data <- df
search_term <- input$search_box
if (!is.null(search_term) && nchar(trimws(search_term)) > 0 &&
PLAYER_COL %in% names(data)) {
data <- data[grepl(search_term, as.character(data[[PLAYER_COL]]),
ignore.case = TRUE), ]
}
if (length(input$competition_filter) > 0 && COMP_COL %in% names(data)) {
data <- data[data[[COMP_COL]] %in% input$competition_filter, ]
}
if (length(input$team_filter) > 0 && TEAM_COL %in% names(data)) {
data <- data[data[[TEAM_COL]] %in% input$team_filter, ]
}
if (length(input$position_filter) > 0 && POSITION_COL %in% names(data)) {
data <- data[data[[POSITION_COL]] %in% input$position_filter, ]
}
if (length(input$country_filter) > 0 && COUNTRY_COL %in% names(data)) {
data <- data[data[[COUNTRY_COL]] %in% input$country_filter, ]
}
min_age <- if (!is.null(input$min_age_filter)) input$min_age_filter else -Inf
max_age <- if (!is.null(input$max_age_filter)) input$max_age_filter else Inf
if (AGE_COL %in% names(data)) {
data <- data[!is.na(data[[AGE_COL]]) &
data[[AGE_COL]] >= min_age & data[[AGE_COL]] <= max_age, ]
}
min_min <- if (!is.null(input$minutes_filter)) input$minutes_filter else 0
if (MINUTES_COL %in% names(data)) {
data <- data[!is.na(data[[MINUTES_COL]]) &
data[[MINUTES_COL]] >= min_min, ]
}
cols <- available_cols(SEARCH_TABLE_COLS, data)
out <- data[, cols, drop = FALSE]
if (nrow(out) == 0) return(data.frame(Message = "No players found."))
sort_col <- if (TARGET_SCORE_COL %in% names(out)) TARGET_SCORE_COL
else ATTAINABILITY_COL
if (sort_col %in% names(out)) {
out <- out[order(-out[[sort_col]], na.last = TRUE), ]
}
pretty_df(out)
})
output$search_results <- renderDT({
req(search_result_df())
datatable(search_result_df(), selection = "single", rownames = FALSE,
options = list(scrollX = TRUE, pageLength = 25))
})
output$search_status <- renderText({
sel <- input$search_results_rows_selected
if (!is.null(sel) && length(sel) > 0) {
d <- search_result_df()
if ("Player" %in% names(d)) {
player <- d[sel, "Player"]
updateSelectizeInput(session, "selected_player", selected = player)
return(paste("Loaded", player, "into Player Profile tab."))
}
}
"Click a player row to load them into the Player Profile tab."
})
# ---- PROFILE ----
current_player_row <- reactive({
get_player_row(df, input$selected_player)
})
output$profile_output <- renderUI({
row <- current_player_row()
if (is.null(row)) return(p("Select a player to view their profile."))
tagList(
h2(row[[PLAYER_COL]]),
h4(paste0(row[[TEAM_COL]], " | ", row[[COMP_COL]])),
h4("Player Details"),
tags$ul(
tags$li(strong("Primary Position: "),
clean_value(row[[POSITION_COL]])),
tags$li(strong("Secondary Position: "),
clean_value(row[[SECONDARY_POSITION_COL]])),
tags$li(strong("Age: "), clean_value(row[[AGE_COL]])),
tags$li(strong("Country: "), clean_value(row[[COUNTRY_COL]])),
tags$li(strong("Height: "),
paste0(clean_value(row[[HEIGHT_COL]]), " cm")),
tags$li(strong("Weight: "),
paste0(clean_value(row[[WEIGHT_COL]]), " kg")),
tags$li(strong("Market Value: "),
format_money(row[[MARKET_VALUE_COL]])),
tags$li(strong("Contract: "), clean_value(row[[CONTRACT_COL]])),
tags$li(strong("Minutes: "), clean_value(row[[MINUTES_COL]]))
)
)
})
output$key_summary <- renderDT({
row <- current_player_row()
if (is.null(row)) {
return(datatable(data.frame(Metric = "Select a player", Value = "")))
}
out <- data.frame(
Metric = c("Best Archetype", "Best Archetype Score", "Target Score",
"Attainability", "Club Rank", "Match Toughness", "Club ELO"),
Value = c(
clean_value(row[[ARCHETYPE_COL]]),
clean_value(row[[ARCHETYPE_SCORE_COL]]),
clean_value(row[[TARGET_SCORE_COL]]),
clean_value(row[[ATTAINABILITY_COL]]),
clean_value(row[[CLUB_RANK_COL]]),
clean_value(row[[MATCH_TOUGHNESS_COL]]),
clean_value(row[[ELO_COL]])
),
stringsAsFactors = FALSE
)
datatable(out, rownames = FALSE,
options = list(dom = "t", paging = FALSE))
})
output$metric_table <- renderDT({
row <- current_player_row()
if (is.null(row)) {
return(datatable(data.frame(Metric = "Select a player", Score = "")))
}
cols <- switch(input$metric_group,
"Attributes" = ATTR_COLS,
"Position Scores" = POSITION_SCORE_COLS,
"Archetype Scores" = ARCHETYPE_SCORE_COLS,
"Key Season Stats" = KEY_METRICS,
ATTR_COLS
)
cols <- available_cols(cols, df)
rows_list <- list()
for (cn in cols) {
v <- row[[cn]]
if (!is.null(v) && length(v) > 0 && !is.na(v)) {
rows_list[[length(rows_list) + 1]] <- data.frame(
Metric = pretty_label(cn),
Score = round(as.numeric(v), 2),
stringsAsFactors = FALSE
)
}
}
if (length(rows_list) == 0) {
return(datatable(data.frame(Metric = "No metrics available", Score = NA)))
}
out <- do.call(rbind, rows_list)
out <- out[order(-out$Score, na.last = TRUE), ]
datatable(out, rownames = FALSE,
options = list(scrollX = TRUE, pageLength = 25))
})
output$radar_plot <- renderPlotly({
row <- current_player_row()
if (is.null(row)) {
return(plot_ly() %>% layout(title = "Select a player"))
}
metrics <- top_attr_cols(df, row, max_cols = 8)
if (length(metrics) < 3) {
return(plot_ly() %>% layout(title = "Not enough attributes"))
}
group <- get_player_group(df, row)
labels <- sapply(metrics, pretty_label)
player_vals <- sapply(metrics, function(m) {
v <- row[[m]]
if (is.null(v) || is.na(v)) 0 else as.numeric(v)
})
avg_vals <- sapply(metrics, function(m) {
if (m %in% names(group)) mean(group[[m]], na.rm = TRUE) else 0
})
max_val <- max(100, max(c(player_vals, avg_vals), na.rm = TRUE) * 1.1)
plot_ly(type = "scatterpolar", fill = "toself") %>%
add_trace(r = c(player_vals, player_vals[1]),
theta = c(labels, labels[1]),
name = as.character(input$selected_player)) %>%
add_trace(r = c(avg_vals, avg_vals[1]),
theta = c(labels, labels[1]),
name = "Position/Competition Avg") %>%
layout(
title = paste(input$selected_player, "Attribute Radar"),
polar = list(radialaxis = list(range = c(0, max_val))),
legend = list(orientation = "h")
)
})
output$percentile_plot <- renderPlotly({
row <- current_player_row()
if (is.null(row)) {
return(plot_ly() %>% layout(title = "Select a player"))
}
group <- get_player_group(df, row)
rows_list <- list()
for (m in available_cols(c(ATTR_COLS, TARGET_SCORE_COL,
ATTAINABILITY_COL, ARCHETYPE_SCORE_COL), df)) {
v <- suppressWarnings(as.numeric(row[[m]]))
vals <- suppressWarnings(as.numeric(group[[m]]))
vals <- vals[!is.na(vals)]
if (!is.na(v) && length(vals) > 1) {
pct <- mean(vals < v, na.rm = TRUE) * 100
rows_list[[length(rows_list) + 1]] <- data.frame(
Metric = pretty_label(m),
Percentile = round(pct, 1),
stringsAsFactors = FALSE
)
}
}
if (length(rows_list) == 0) {
return(plot_ly() %>% layout(title = "No percentile data"))
}
plot_df <- do.call(rbind, rows_list)
plot_df <- plot_df[order(plot_df$Percentile), ]
plot_ly(plot_df,
x = ~Percentile, y = ~Metric, type = "bar", orientation = "h",
text = ~paste0(Percentile, "%"), textposition = "outside") %>%
layout(
title = paste(input$selected_player, "Percentiles"),
xaxis = list(range = c(0, 110)),
yaxis = list(title = ""),
height = max(450, 32 * nrow(plot_df))
)
})
observeEvent(input$trend_btn, {
output$trend_plot <- renderPlotly({
row <- current_player_row()
multi_row <- get_multiseason_row(multi_df, input$selected_player)
metric <- input$profile_metric
if (is.null(row) || is.null(metric) || metric == "") {
return(plot_ly() %>% layout(title = "Select a player and metric."))
}
rows_list <- list()
for (sc in names(HISTORICAL_SEASONS)) {
v <- NA_real_
if (!is.null(multi_row)) v <- find_metric_value(multi_row, metric, sc)
if (is.na(v)) v <- find_metric_value(row, metric, sc)
if (!is.na(v)) {
rows_list[[length(rows_list) + 1]] <- data.frame(
Season = HISTORICAL_SEASONS[sc],
Score = v,
stringsAsFactors = FALSE
)
}
}
curr_val <- find_metric_value(row, metric, NULL)
plot_df <- if (length(rows_list) > 0) do.call(rbind, rows_list)
else data.frame(Season = character(0), Score = numeric(0))
if (!is.na(curr_val)) {
plot_df <- plot_df[plot_df$Season != CURRENT_MAIN_SEASON_LABEL, ]
plot_df <- rbind(plot_df, data.frame(
Season = CURRENT_MAIN_SEASON_LABEL,
Score = curr_val,
stringsAsFactors = FALSE
))
}
if (nrow(plot_df) == 0) {
return(plot_ly() %>% layout(title = "No performance data found."))
}
season_order <- c("2021-22", "2022-23", "2023-24", "2024-25", "2025-26")
plot_df$Season <- factor(plot_df$Season, levels = season_order)
plot_df <- plot_df[order(plot_df$Season), ]
plot_ly(plot_df, x = ~Season, y = ~Score,
type = "scatter", mode = "lines+markers+text",
text = ~round(Score, 2), textposition = "top center") %>%
layout(title = paste0(input$selected_player, ": ",
pretty_label(metric), " Over Time"))
})
})
output$report_btn <- downloadHandler(
filename = function() {
safe <- gsub("[^A-Za-z0-9_]", "_", input$selected_player)
paste0(safe, "_scouting_report.csv")
},
content = function(file) {
row <- current_player_row()
if (is.null(row)) {
write.csv(data.frame(Message = "No player selected"),
file, row.names = FALSE)
return()
}
all_cols <- available_cols(c(
PLAYER_COL, TEAM_COL, COMP_COL, POSITION_COL,
AGE_COL, COUNTRY_COL, HEIGHT_COL, WEIGHT_COL,
MARKET_VALUE_COL, CONTRACT_COL, MINUTES_COL,
ARCHETYPE_COL, ARCHETYPE_SCORE_COL, TARGET_SCORE_COL,
ATTAINABILITY_COL, CLUB_RANK_COL, MATCH_TOUGHNESS_COL,
ELO_COL, ATTR_COLS, KEY_METRICS,
POSITION_SCORE_COLS, ARCHETYPE_SCORE_COLS
), df)
out <- df[as.character(df[[PLAYER_COL]]) ==
as.character(input$selected_player), all_cols, drop = FALSE]
write.csv(out, file, row.names = FALSE)
}
)
observeEvent(input$shortlist_btn, {
p <- input$selected_player
if (!is.null(p) && nchar(trimws(p)) > 0 && !p %in% shortlist()) {
shortlist(c(shortlist(), p))
}
})
view_shortlist <- reactive({
sl <- shortlist()
if (length(sl) == 0) {
return(data.frame(Message = "No players added yet.",
stringsAsFactors = FALSE))
}
data <- df[as.character(df[[PLAYER_COL]]) %in% sl, ]
cols <- available_cols(SHORTLIST_COLS, data)
out <- data[, cols, drop = FALSE]
if (nrow(out) == 0) {
return(data.frame(Message = "Shortlist is empty.",
stringsAsFactors = FALSE))
}
pretty_df(out)
})
output$shortlist_from_profile <- renderDT({
datatable(view_shortlist(), rownames = FALSE,
options = list(scrollX = TRUE, pageLength = 15))
})
# ---- COMPARISON ----
comparison_df <- eventReactive(input$compare_btn, {
players <- c(input$compare_1, input$compare_2, input$compare_3)
players <- players[!is.null(players) & nchar(trimws(players)) > 0]
if (length(players) == 0) {
return(data.frame(Message = "Select at least one player.",
stringsAsFactors = FALSE))
}
data <- df[as.character(df[[PLAYER_COL]]) %in% players, ]
cols <- available_cols(COMPARISON_COLS, data)
pretty_df(data[, cols, drop = FALSE])
})
output$comparison_table <- renderDT({
datatable(comparison_df(), selection = "single", rownames = FALSE,
options = list(scrollX = TRUE, pageLength = 25))
})
output$comparison_radar <- renderPlotly({
players <- c(input$compare_1, input$compare_2, input$compare_3)
players <- players[!is.null(players) & nchar(trimws(players)) > 0]
if (length(players) == 0) {
return(plot_ly() %>% layout(title = "Select players to compare."))
}
first_row <- get_player_row(df, players[1])
if (is.null(first_row)) return(plot_ly())
metrics <- top_attr_cols(df, first_row, max_cols = 8)
if (length(metrics) < 3) {
return(plot_ly() %>% layout(title = "Not enough attributes."))
}
labels <- sapply(metrics, pretty_label)
fig <- plot_ly(type = "scatterpolar", fill = "toself")
for (p in players) {
row <- get_player_row(df, p)
if (!is.null(row)) {
vals <- sapply(metrics, function(m) {
v <- row[[m]]
if (is.null(v) || is.na(v)) 0 else as.numeric(v)
})
fig <- fig %>% add_trace(
r = c(vals, vals[1]),
theta = c(labels, labels[1]),
name = p
)
}
}
fig %>% layout(
title = "Player Attribute Radar Comparison",
polar = list(radialaxis = list(range = c(0, 110))),
legend = list(orientation = "h")
)
})
# ---- FIT SCORE ----
fit_result_df <- eventReactive(input$fit_btn, {
data <- df
if (length(input$fit_competition_filter) > 0 && COMP_COL %in% names(data)) {
data <- data[data[[COMP_COL]] %in% input$fit_competition_filter, ]
}
if (length(input$fit_position_filter) > 0 && POSITION_COL %in% names(data)) {
data <- data[data[[POSITION_COL]] %in% input$fit_position_filter, ]
}
if (nrow(data) == 0) {
return(data.frame(Message = "No players found for selected filters.",
stringsAsFactors = FALSE))
}
weight_cols <- c(
"attr_pressing", "attr_duels", "attr_aerial",
"attr_possession_retention", "attr_blocking", "attr_progression",
"attr_impact", "attr_discipline", "attr_dribbling",
"attr_chance_creation", "attr_finishing", "attr_crossing",
"attr_box_presence", "attr_holdup",
TARGET_SCORE_COL, ATTAINABILITY_COL
)
weight_vals <- c(
input$pressing_w, input$duels_w, input$aerial_w,
input$possession_w, input$blocking_w, input$progression_w,
input$impact_w, input$discipline_w, input$dribbling_w,
input$chance_w, input$finishing_w, input$crossing_w,
input$box_w, input$holdup_w,
input$target_w, input$attain_w
)
weights <- setNames(weight_vals, weight_cols)
total_weight <- sum(weights)
if (total_weight == 0) {
return(data.frame(Message = "At least one weight must be above 0.",
stringsAsFactors = FALSE))
}
fit_vals <- rep(0, nrow(data))
for (col in names(weights)) {
w <- weights[col]
if (col %in% names(data) && w > 0) {
fit_vals <- fit_vals + normalize_0_100(data[[col]]) * w
}
}
data[["fit_score"]] <- fit_vals / total_weight
cols <- c(available_cols(c(
PLAYER_COL, POSITION_COL, TEAM_COL, COMP_COL,
AGE_COL, MINUTES_COL, MARKET_VALUE_COL, CONTRACT_COL,
ARCHETYPE_COL, ARCHETYPE_SCORE_COL,
TARGET_SCORE_COL, ATTAINABILITY_COL
), data), "fit_score")
out <- data[order(-data[["fit_score"]], na.last = TRUE), cols, drop = FALSE]
pretty_df(head(out, 50))
})
output$fit_table <- renderDT({
datatable(fit_result_df(), selection = "single", rownames = FALSE,
options = list(scrollX = TRUE, pageLength = 25))
})
# ---- SIMILAR PLAYERS ----
similar_result_df <- eventReactive(input$similar_btn, {
row <- get_player_row(df, input$similar_player_select)
if (is.null(row)) {
return(data.frame(Message = "Select a player.", stringsAsFactors = FALSE))
}
metrics <- available_cols(
c(ATTR_COLS, TARGET_SCORE_COL, ATTAINABILITY_COL, ARCHETYPE_SCORE_COL), df)
metrics <- metrics[sapply(metrics, function(m) {
v <- row[[m]]
!is.null(v) && length(v) > 0 && !is.na(v)
})]
metrics <- head(metrics, 24)
if (length(metrics) == 0) {
return(data.frame(Message = "No similarity metrics available.",
stringsAsFactors = FALSE))
}
pos <- row[[POSITION_COL]]
candidates <- df[as.character(df[[PLAYER_COL]]) !=
as.character(input$similar_player_select), ]
if (POSITION_COL %in% names(df) && !is.null(pos) && !is.na(pos)) {
sub <- candidates[candidates[[POSITION_COL]] == pos, ]
if (nrow(sub) > 0) candidates <- sub
}
dist_vals <- rep(0, nrow(candidates))
for (m in metrics) {
all_vals <- suppressWarnings(as.numeric(df[[m]]))
sd_val <- sd(all_vals, na.rm = TRUE)
cand_vals <- suppressWarnings(as.numeric(candidates[[m]]))
ref_val <- suppressWarnings(as.numeric(row[[m]]))
if (!is.na(sd_val) && sd_val > 0) {
diff <- cand_vals - ref_val
diff[is.na(diff)] <- 0
dist_vals <- dist_vals + (diff / sd_val)^2
}
}
candidates[["similarity_score"]] <- 100 / (1 + dist_vals)
cols <- c(available_cols(c(
PLAYER_COL, TEAM_COL, COMP_COL, POSITION_COL, AGE_COL,
MARKET_VALUE_COL, ARCHETYPE_COL, ARCHETYPE_SCORE_COL,
TARGET_SCORE_COL, ATTAINABILITY_COL
), candidates), "similarity_score")
out <- candidates[order(-candidates[["similarity_score"]]),
cols, drop = FALSE]
pretty_df(head(out, 10))
})
output$similar_table <- renderDT({
datatable(similar_result_df(), selection = "single", rownames = FALSE,
options = list(scrollX = TRUE, pageLength = 15))
})
# ---- SHORTLIST MANAGER ----
observeEvent(input$add_shortlist_btn, {
p <- input$shortlist_player
if (!is.null(p) && nchar(trimws(p)) > 0 && !p %in% shortlist()) {
shortlist(c(shortlist(), p))
}
})
observeEvent(input$clear_shortlist_btn, {
shortlist(character(0))
})
output$shortlist_table <- renderDT({
datatable(view_shortlist(), rownames = FALSE,
options = list(scrollX = TRUE, pageLength = 25))
})
output$export_shortlist_btn <- downloadHandler(
filename = function() "shortlist_export.csv",
content = function(file) write.csv(view_shortlist(), file, row.names = FALSE)
)
}
shinyApp(ui, server)