init commit

backend/app/models/event.py

@@ -0,0 +1,50 @@
+from uuid import UUID
+from uuid import uuid4
+
+from sqlalchemy import BigInteger
+from sqlalchemy import Column
+from sqlalchemy import ForeignKey
+from sqlmodel import Field
+from sqlmodel import Relationship
+from sqlmodel import SQLModel
+
+from app.models.transactions import Transaction
+
+from .links import EventUserLink
+from .user import User
+
+
+class BaseEvent(SQLModel):
+    name: str = Field(nullable=False, default='Change name pls')
+
+
+class Event(BaseEvent, table=True):
+    id: UUID = Field(primary_key=True, default_factory=uuid4)
+    owner_id: int = Field(
+        sa_column=Column(BigInteger(), ForeignKey('user.id'))
+    )
+    invite: str | None = Field(default_factory=uuid4)
+    users: list['User'] = Relationship(
+        back_populates='events', link_model=EventUserLink
+    )
+    transactions: list['Transaction'] = Relationship(
+        back_populates='event', cascade_delete=True
+    )
+
+    async def add_user(self, user: User):
+        self.users.append(user)
+
+    async def add_transaction(self, transaction: Transaction):
+        self.transactions.append(transaction)
+
+
+class OutputEvent(BaseEvent):
+    id: UUID
+    owner: int
+    users: list[User]
+    invite: str | None
+    name: str
+
+
+class AddUserRequest(SQLModel):
+    user_id: int