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Enhance Database Modeling and SQLAlchemy Compatibility #1593

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31 changes: 23 additions & 8 deletions backend/app/models.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,11 +2,14 @@

from pydantic import EmailStr
from sqlmodel import Field, Relationship, SQLModel
from sqlalchemy import String


# Shared properties
class UserBase(SQLModel):
email: EmailStr = Field(unique=True, index=True, max_length=255)
email: EmailStr = Field(
unique=True, index=True, max_length=255, sa_type=String(255)
)
is_active: bool = True
is_superuser: bool = False
full_name: str | None = Field(default=None, max_length=255)
Expand All @@ -18,20 +21,20 @@ class UserCreate(UserBase):


class UserRegister(SQLModel):
email: EmailStr = Field(max_length=255)
email: str = Field(max_length=255)
password: str = Field(min_length=8, max_length=40)
full_name: str | None = Field(default=None, max_length=255)


# Properties to receive via API on update, all are optional
class UserUpdate(UserBase):
email: EmailStr | None = Field(default=None, max_length=255) # type: ignore
email: str | None = Field(default=None, max_length=255) # type: ignore
password: str | None = Field(default=None, min_length=8, max_length=40)


class UserUpdateMe(SQLModel):
full_name: str | None = Field(default=None, max_length=255)
email: EmailStr | None = Field(default=None, max_length=255)
email: str | None = Field(default=None, max_length=255)


class UpdatePassword(SQLModel):
Expand All @@ -43,7 +46,14 @@ class UpdatePassword(SQLModel):
class User(UserBase, table=True):
id: uuid.UUID = Field(default_factory=uuid.uuid4, primary_key=True)
hashed_password: str
items: list["Item"] = Relationship(back_populates="owner", cascade_delete=True)
items: list["Item"] = Relationship(
back_populates="owner",
sa_relationship_kwargs={
"cascade": "all, delete-orphan",
"primaryjoin": "User.id == Item.owner_id",
"foreign_keys": "[Item.owner_id]",
},
)


# Properties to return via API, id is always required
Expand Down Expand Up @@ -75,10 +85,15 @@ class ItemUpdate(ItemBase):
# Database model, database table inferred from class name
class Item(ItemBase, table=True):
id: uuid.UUID = Field(default_factory=uuid.uuid4, primary_key=True)
owner_id: uuid.UUID = Field(
foreign_key="user.id", nullable=False, ondelete="CASCADE"
# Remove foreign_key constraint, but keep it indexed for performance
owner_id: uuid.UUID = Field(index=True, nullable=False)
owner: User | None = Relationship(
back_populates="items",
sa_relationship_kwargs={
"primaryjoin": "User.id == Item.owner_id",
"foreign_keys": "[Item.owner_id]",
},
)
owner: User | None = Relationship(back_populates="items")


# Properties to return via API, id is always required
Expand Down
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