🚚 Refactor and simplify backend file structure (#609)

src/backend/app/models.py

@@ -0,0 +1,114 @@
+from typing import Union
+
+from pydantic import EmailStr
+from sqlmodel import Field, Relationship, SQLModel
+
+
+# Shared properties
+class UserBase(SQLModel):
+    email: EmailStr = Field(unique=True, index=True)
+    is_active: bool = True
+    is_superuser: bool = False
+    full_name: Union[str, None] = None
+
+
+# Properties to receive via API on creation
+class UserCreate(UserBase):
+    password: str
+
+
+class UserCreateOpen(SQLModel):
+    email: EmailStr
+    password: str
+    full_name: Union[str, None] = None
+
+
+# Properties to receive via API on update, all are optional
+class UserUpdate(UserBase):
+    email: Union[EmailStr, None] = None
+    password: Union[str, None] = None
+
+
+class UserUpdateMe(SQLModel):
+    full_name: Union[str, None] = None
+    email: Union[EmailStr, None] = None
+
+
+class UpdatePassword(SQLModel):
+    current_password: str
+    new_password: str
+
+
+# Database model, database table inferred from class name
+class User(UserBase, table=True):
+    id: Union[int, None] = Field(default=None, primary_key=True)
+    hashed_password: str
+    items: list["Item"] = Relationship(back_populates="owner")
+
+
+# Properties to return via API, id is always required
+class UserOut(UserBase):
+    id: int
+
+
+class UsersOut(SQLModel):
+    data: list[UserOut]
+    count: int
+
+
+# Shared properties
+class ItemBase(SQLModel):
+    title: str
+    description: Union[str, None] = None
+
+
+# Properties to receive on item creation
+class ItemCreate(ItemBase):
+    title: str
+
+
+# Properties to receive on item update
+class ItemUpdate(ItemBase):
+    title: Union[str, None] = None
+
+
+# Database model, database table inferred from class name
+class Item(ItemBase, table=True):
+    id: Union[int, None] = Field(default=None, primary_key=True)
+    title: str
+    owner_id: Union[int, None] = Field(
+        default=None, foreign_key="user.id", nullable=False
+    )
+    owner: Union[User, None] = Relationship(back_populates="items")
+
+
+# Properties to return via API, id is always required
+class ItemOut(ItemBase):
+    id: int
+    owner_id: int
+
+
+class ItemsOut(SQLModel):
+    data: list[ItemOut]
+    count: int
+
+
+# Generic message
+class Message(SQLModel):
+    message: str
+
+
+# JSON payload containing access token
+class Token(SQLModel):
+    access_token: str
+    token_type: str = "bearer"
+
+
+# Contents of JWT token
+class TokenPayload(SQLModel):
+    sub: Union[int, None] = None
+
+
+class NewPassword(SQLModel):
+    token: str
+    new_password: str