doe/be/app/models.py
2025-03-31 00:07:43 +02:00

145 lines
6.6 KiB
Python

# app/models.py
import enum
import secrets
from datetime import datetime, timedelta, timezone
from sqlalchemy import (
Column,
Integer,
String,
DateTime,
ForeignKey,
Boolean,
Enum as SAEnum,
UniqueConstraint,
Index,
DDL,
event,
delete,
func,
text as sa_text,
Text, # <-- Add Text for description
Numeric # <-- Add Numeric for price
)
from sqlalchemy.orm import relationship
from .database import Base
# --- Enums ---
class UserRoleEnum(enum.Enum):
owner = "owner"
member = "member"
# --- User Model ---
class User(Base):
__tablename__ = "users"
id = Column(Integer, primary_key=True, index=True)
email = Column(String, unique=True, index=True, nullable=False)
password_hash = Column(String, nullable=False)
name = Column(String, index=True, nullable=True)
created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
# --- Relationships ---
created_groups = relationship("Group", back_populates="creator")
group_associations = relationship("UserGroup", back_populates="user", cascade="all, delete-orphan")
created_invites = relationship("Invite", back_populates="creator")
# --- NEW Relationships for Lists/Items ---
created_lists = relationship("List", foreign_keys="List.created_by_id", back_populates="creator") # Link List.created_by_id -> User
added_items = relationship("Item", foreign_keys="Item.added_by_id", back_populates="added_by_user") # Link Item.added_by_id -> User
completed_items = relationship("Item", foreign_keys="Item.completed_by_id", back_populates="completed_by_user") # Link Item.completed_by_id -> User
# --- End NEW Relationships ---
# --- Group Model ---
class Group(Base):
__tablename__ = "groups"
id = Column(Integer, primary_key=True, index=True)
name = Column(String, index=True, nullable=False)
created_by_id = Column(Integer, ForeignKey("users.id"), nullable=False)
created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
# --- Relationships ---
creator = relationship("User", back_populates="created_groups")
member_associations = relationship("UserGroup", back_populates="group", cascade="all, delete-orphan")
invites = relationship("Invite", back_populates="group", cascade="all, delete-orphan")
# --- NEW Relationship for Lists ---
lists = relationship("List", back_populates="group", cascade="all, delete-orphan") # Link List.group_id -> Group
# --- End NEW Relationship ---
# --- UserGroup Association Model ---
class UserGroup(Base):
__tablename__ = "user_groups"
__table_args__ = (UniqueConstraint('user_id', 'group_id', name='uq_user_group'),)
id = Column(Integer, primary_key=True, index=True)
user_id = Column(Integer, ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
group_id = Column(Integer, ForeignKey("groups.id", ondelete="CASCADE"), nullable=False)
role = Column(SAEnum(UserRoleEnum, name="userroleenum", create_type=True), nullable=False, default=UserRoleEnum.member)
joined_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
user = relationship("User", back_populates="group_associations")
group = relationship("Group", back_populates="member_associations")
# --- Invite Model ---
class Invite(Base):
__tablename__ = "invites"
__table_args__ = (
Index('ix_invites_active_code', 'code', unique=True, postgresql_where=sa_text('is_active = true')),
)
id = Column(Integer, primary_key=True, index=True)
code = Column(String, unique=False, index=True, nullable=False, default=lambda: secrets.token_urlsafe(16))
group_id = Column(Integer, ForeignKey("groups.id", ondelete="CASCADE"), nullable=False)
created_by_id = Column(Integer, ForeignKey("users.id"), nullable=False)
created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
expires_at = Column(DateTime(timezone=True), nullable=False, default=lambda: datetime.now(timezone.utc) + timedelta(days=7))
is_active = Column(Boolean, default=True, nullable=False)
group = relationship("Group", back_populates="invites")
creator = relationship("User", back_populates="created_invites")
# === NEW: List Model ===
class List(Base):
__tablename__ = "lists"
id = Column(Integer, primary_key=True, index=True)
name = Column(String, index=True, nullable=False)
description = Column(Text, nullable=True)
created_by_id = Column(Integer, ForeignKey("users.id"), nullable=False) # Who created this list
group_id = Column(Integer, ForeignKey("groups.id"), nullable=True) # Which group it belongs to (NULL if personal)
is_complete = Column(Boolean, default=False, nullable=False)
created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), nullable=False)
# --- Relationships ---
creator = relationship("User", back_populates="created_lists") # Link to User.created_lists
group = relationship("Group", back_populates="lists") # Link to Group.lists
items = relationship("Item", back_populates="list", cascade="all, delete-orphan", order_by="Item.created_at") # Link to Item.list, cascade deletes
# === NEW: Item Model ===
class Item(Base):
__tablename__ = "items"
id = Column(Integer, primary_key=True, index=True)
list_id = Column(Integer, ForeignKey("lists.id", ondelete="CASCADE"), nullable=False) # Belongs to which list
name = Column(String, index=True, nullable=False)
quantity = Column(String, nullable=True) # Flexible quantity (e.g., "1", "2 lbs", "a bunch")
is_complete = Column(Boolean, default=False, nullable=False)
price = Column(Numeric(10, 2), nullable=True) # For cost splitting later (e.g., 12345678.99)
added_by_id = Column(Integer, ForeignKey("users.id"), nullable=False) # Who added this item
completed_by_id = Column(Integer, ForeignKey("users.id"), nullable=True) # Who marked it complete
created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), nullable=False)
# --- Relationships ---
list = relationship("List", back_populates="items") # Link to List.items
added_by_user = relationship("User", foreign_keys=[added_by_id], back_populates="added_items") # Link to User.added_items
completed_by_user = relationship("User", foreign_keys=[completed_by_id], back_populates="completed_items") # Link to User.completed_items