packlist/backend/models.py
2025-08-13 21:10:04 +02:00

105 lines
4.2 KiB
Python

import uuid
from sqlalchemy import (
Column, String, Boolean, Date, ForeignKey, UniqueConstraint
)
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import relationship
from .database import Base
class User(Base):
__tablename__ = "users"
id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
name = Column(String, nullable=False)
items = relationship("Item", back_populates="user", cascade="all, delete")
tags = relationship("Tag", back_populates="user", cascade="all, delete")
trips = relationship("Trip", back_populates="user", cascade="all, delete")
class Item(Base):
__tablename__ = "items"
id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
user_id = Column(UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
name = Column(String, nullable=False) # z.B. "Zahnbürste" oder "{days} x Vitamin D3"
user = relationship("User", back_populates="items")
tags = relationship("ItemTag", back_populates="item", cascade="all, delete")
trip_items = relationship("TripItem", back_populates="item", cascade="all, delete")
class Tag(Base):
__tablename__ = "tags"
__table_args__ = (UniqueConstraint("user_id", "name"),)
id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
user_id = Column(UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
name = Column(String, nullable=False)
user = relationship("User", back_populates="tags")
items = relationship("ItemTag", back_populates="tag", cascade="all, delete")
trip_selected_tags = relationship("TripTagSelected", back_populates="tag", cascade="all, delete")
trip_marked_tags = relationship("TripTagMarked", back_populates="tag", cascade="all, delete")
trip_items = relationship("TripItem", back_populates="tag")
class ItemTag(Base):
__tablename__ = "item_tags"
item_id = Column(UUID(as_uuid=True), ForeignKey("items.id", ondelete="CASCADE"), primary_key=True)
tag_id = Column(UUID(as_uuid=True), ForeignKey("tags.id", ondelete="CASCADE"), primary_key=True)
item = relationship("Item", back_populates="tags")
tag = relationship("Tag", back_populates="items")
class Trip(Base):
__tablename__ = "trips"
id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
user_id = Column(UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
name = Column(String)
start_date = Column(Date)
end_date = Column(Date)
user = relationship("User", back_populates="trips")
selected_tags = relationship("TripTagSelected", back_populates="trip", cascade="all, delete")
marked_tags = relationship("TripTagMarked", back_populates="trip", cascade="all, delete")
trip_items = relationship("TripItem", back_populates="trip", cascade="all, delete")
class TripTagSelected(Base):
__tablename__ = "trip_tag_selected"
trip_id = Column(UUID(as_uuid=True), ForeignKey("trips.id", ondelete="CASCADE"), primary_key=True)
tag_id = Column(UUID(as_uuid=True), ForeignKey("tags.id"), primary_key=True)
trip = relationship("Trip", back_populates="selected_tags")
tag = relationship("Tag", back_populates="trip_selected_tags")
class TripTagMarked(Base):
__tablename__ = "trip_tag_marked"
trip_id = Column(UUID(as_uuid=True), ForeignKey("trips.id", ondelete="CASCADE"), primary_key=True)
tag_id = Column(UUID(as_uuid=True), ForeignKey("tags.id"), primary_key=True)
trip = relationship("Trip", back_populates="marked_tags")
tag = relationship("Tag", back_populates="trip_marked_tags")
class TripItem(Base):
__tablename__ = "trip_items"
id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
trip_id = Column(UUID(as_uuid=True), ForeignKey("trips.id", ondelete="CASCADE"), nullable=False)
item_id = Column(UUID(as_uuid=True), ForeignKey("items.id"), nullable=False)
name_calculated = Column(String, nullable=False)
checked = Column(Boolean, nullable=False, default=False)
tag_id = Column(UUID(as_uuid=True), ForeignKey("tags.id"), nullable=True)
trip = relationship("Trip", back_populates="trip_items")
item = relationship("Item", back_populates="trip_items")
tag = relationship("Tag", back_populates="trip_items")