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from sqlalchemy import Column, Integer, String, Boolean, DateTime, Float, ForeignKey, ARRAY, JSON, Table, Enum
from sqlalchemy.orm import relationship, mapped_column, Mapped
from sqlalchemy.dialects.postgresql import JSONB
from datetime import datetime
from typing import List, Optional
from .database import Base, async_engine
import enum
# Association tables for many-to-many relationships
user_roles = Table(
'user_roles',
Base.metadata,
Column('user_id', Integer, ForeignKey('users.id')),
Column('role_id', Integer, ForeignKey('roles.id'))
)
# Role model
class Role(Base):
__tablename__ = "roles"
id: Mapped[int] = mapped_column(primary_key=True)
name: Mapped[str] = mapped_column(String, unique=True, index=True)
description: Mapped[str] = mapped_column(String)
permissions: Mapped[List[str]] = mapped_column(ARRAY(String), default=list)
created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
# Relationships
users = relationship("User", secondary=user_roles, back_populates="roles")
# Branch model
class Branch(Base):
__tablename__ = "branches"
id: Mapped[int] = mapped_column(primary_key=True)
name: Mapped[str] = mapped_column(String, unique=True, index=True)
address: Mapped[str] = mapped_column(String)
phone: Mapped[str] = mapped_column(String)
email: Mapped[str] = mapped_column(String)
is_active: Mapped[bool] = mapped_column(Boolean, default=True)
created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
# Relationships
users = relationship("User", back_populates="branch")
products = relationship("Product", back_populates="branch")
orders = relationship("Order", back_populates="branch")
staff_activities = relationship("StaffActivity", back_populates="branch")
staff_metrics = relationship("PerformanceMetric", back_populates="branch")
async def ensure_tables():
"""Ensure all tables exist in the database"""
async with async_engine.begin() as conn:
await conn.run_sync(Base.metadata.create_all)
class User(Base):
__tablename__ = "users"
id: Mapped[int] = mapped_column(primary_key=True)
email: Mapped[str] = mapped_column(String, unique=True, index=True)
username: Mapped[str] = mapped_column(String, unique=True, index=True)
full_name: Mapped[str] = mapped_column(String)
hashed_password: Mapped[str] = mapped_column(String)
is_active: Mapped[bool] = mapped_column(Boolean, default=True)
is_superuser: Mapped[bool] = mapped_column(Boolean, default=False)
branch_id: Mapped[Optional[int]] = mapped_column(ForeignKey("branches.id"))
created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
# Update roles relationship to use many-to-many
roles = relationship("Role", secondary=user_roles, back_populates="users")
# Other relationships
branch = relationship("Branch", back_populates="users")
products = relationship("Product", back_populates="seller")
orders = relationship("Order", back_populates="customer")
notifications = relationship("Notification", back_populates="user")
sessions = relationship("Session", back_populates="user", cascade="all, delete-orphan")
activities = relationship("StaffActivity", back_populates="user")
performance_metrics = relationship("PerformanceMetric", back_populates="user")
class Product(Base):
__tablename__ = "products"
id: Mapped[int] = mapped_column(primary_key=True)
name: Mapped[str] = mapped_column(String, index=True)
description: Mapped[str] = mapped_column(String)
price: Mapped[float] = mapped_column(Float)
category: Mapped[str] = mapped_column(String, index=True)
inventory_count: Mapped[int] = mapped_column(Integer)
seller_id: Mapped[int] = mapped_column(ForeignKey("users.id"))
branch_id: Mapped[int] = mapped_column(ForeignKey("branches.id"))
brand_id: Mapped[Optional[int]] = mapped_column(ForeignKey("brands.id"), nullable=True)
created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
updated_at: Mapped[datetime] = mapped_column(
DateTime,
default=datetime.utcnow,
onupdate=datetime.utcnow
)
# Relationships
seller = relationship("User", back_populates="products")
branch = relationship("Branch", back_populates="products")
brand = relationship("Brand", back_populates="products")
order_items = relationship("OrderItem", back_populates="product")
class Order(Base):
__tablename__ = "orders"
id: Mapped[int] = mapped_column(primary_key=True)
customer_id: Mapped[int] = mapped_column(ForeignKey("users.id"))
branch_id: Mapped[int] = mapped_column(ForeignKey("branches.id"))
total_amount: Mapped[float] = mapped_column(Float)
status: Mapped[str] = mapped_column(String)
created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
updated_at: Mapped[datetime] = mapped_column(
DateTime,
default=datetime.utcnow,
onupdate=datetime.utcnow
)
# Relationships
customer = relationship("User", back_populates="orders")
branch = relationship("Branch", back_populates="orders")
items = relationship("OrderItem", back_populates="order", cascade="all, delete-orphan")
class OrderItem(Base):
__tablename__ = "order_items"
id: Mapped[int] = mapped_column(primary_key=True)
order_id: Mapped[int] = mapped_column(ForeignKey("orders.id"))
product_id: Mapped[int] = mapped_column(ForeignKey("products.id"))
quantity: Mapped[int] = mapped_column(Integer)
price: Mapped[float] = mapped_column(Float)
# Relationships
order = relationship("Order", back_populates="items")
product = relationship("Product", back_populates="order_items")
class Notification(Base):
__tablename__ = "notifications"
id: Mapped[int] = mapped_column(primary_key=True)
user_id: Mapped[int] = mapped_column(ForeignKey("users.id"))
title: Mapped[str] = mapped_column(String)
message: Mapped[str] = mapped_column(String)
type: Mapped[str] = mapped_column(String)
data: Mapped[Optional[dict]] = mapped_column(JSONB)
created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
read: Mapped[bool] = mapped_column(Boolean, default=False)
# Relationship
user = relationship("User", back_populates="notifications")
class Event(Base):
__tablename__ = "events"
id: Mapped[int] = mapped_column(primary_key=True)
user_id: Mapped[int] = mapped_column(ForeignKey("users.id"))
title: Mapped[str] = mapped_column(String)
description: Mapped[str] = mapped_column(String)
start_time: Mapped[datetime] = mapped_column(DateTime)
end_time: Mapped[datetime] = mapped_column(DateTime)
attendees: Mapped[List[str]] = mapped_column(ARRAY(String), default=list)
is_all_day: Mapped[bool] = mapped_column(Boolean, default=False)
reminder_minutes: Mapped[int] = mapped_column(Integer)
status: Mapped[str] = mapped_column(String)
attendee_responses: Mapped[dict] = mapped_column(JSONB, default=dict)
created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
updated_at: Mapped[datetime] = mapped_column(
DateTime,
default=datetime.utcnow,
onupdate=datetime.utcnow
)
# Fields for recurring events
is_recurring: Mapped[bool] = mapped_column(Boolean, default=False)
recurrence_pattern: Mapped[Optional[str]] = mapped_column(String)
recurrence_group: Mapped[Optional[str]] = mapped_column(String)
recurrence_end_date: Mapped[Optional[datetime]] = mapped_column(DateTime)
parent_event_id: Mapped[Optional[int]] = mapped_column(Integer)
sequence_number: Mapped[Optional[int]] = mapped_column(Integer)
reminder_sent: Mapped[bool] = mapped_column(Boolean, default=False)
# Relationship
user = relationship("User")
class Session(Base):
__tablename__ = "sessions"
id: Mapped[int] = mapped_column(primary_key=True)
user_id: Mapped[int] = mapped_column(ForeignKey("users.id"))
session_token: Mapped[str] = mapped_column(String, unique=True, index=True)
last_activity: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
expires_at: Mapped[datetime] = mapped_column(DateTime)
is_active: Mapped[bool] = mapped_column(Boolean, default=True)
iteration_active: Mapped[bool] = mapped_column(Boolean, default=True)
# Relationship
user = relationship("User", back_populates="sessions")
class ActivityType(str, enum.Enum):
LOGIN = "login"
LOGOUT = "logout"
SALE = "sale"
VOID = "void"
REFUND = "refund"
INVENTORY = "inventory"
CUSTOMER_SERVICE = "customer_service"
class StaffActivity(Base):
__tablename__ = "staff_activities"
id: Mapped[int] = mapped_column(primary_key=True)
user_id: Mapped[int] = mapped_column(ForeignKey("users.id"))
branch_id: Mapped[int] = mapped_column(ForeignKey("branches.id"))
activity_type: Mapped[str] = mapped_column(String)
details: Mapped[dict] = mapped_column(JSON)
created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
duration: Mapped[Optional[float]] = mapped_column(Float, nullable=True) # Duration in minutes if applicable
performance_score: Mapped[Optional[float]] = mapped_column(Float, nullable=True) # Score based on activity type
# Relationships
user = relationship("User", back_populates="activities")
branch = relationship("Branch", back_populates="staff_activities")
class PerformanceMetric(Base):
__tablename__ = "performance_metrics"
id: Mapped[int] = mapped_column(primary_key=True)
user_id: Mapped[int] = mapped_column(ForeignKey("users.id"))
branch_id: Mapped[int] = mapped_column(ForeignKey("branches.id"))
metric_date: Mapped[datetime] = mapped_column(DateTime)
total_sales: Mapped[float] = mapped_column(Float, default=0)
transaction_count: Mapped[int] = mapped_column(Integer, default=0)
average_transaction_value: Mapped[float] = mapped_column(Float, default=0)
void_count: Mapped[int] = mapped_column(Integer, default=0)
customer_interaction_count: Mapped[int] = mapped_column(Integer, default=0)
login_time: Mapped[float] = mapped_column(Float, default=0) # Total minutes logged in
efficiency_score: Mapped[float] = mapped_column(Float, default=0) # Calculated score based on metrics
# Relationships
user = relationship("User", back_populates="performance_metrics")
branch = relationship("Branch", back_populates="staff_metrics")
class Brand(Base):
__tablename__ = "brands"
id: Mapped[int] = mapped_column(primary_key=True)
name: Mapped[str] = mapped_column(String, unique=True, index=True)
category: Mapped[str] = mapped_column(String)
established_date: Mapped[datetime] = mapped_column(DateTime)
is_active: Mapped[bool] = mapped_column(Boolean, default=True)
created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
# Relationships
products = relationship("Product", back_populates="brand") |