WIP checkpoint: Scaffold FastAPI backend project structure

2026-08-17 18:16:20 +00:00
parent ae37db6fc1
commit 7fd43cc158
4 changed files with 591 additions and 0 deletions
@@ -0,0 +1,126 @@
+"""User management router."""
+
+from typing import Annotated
+
+from fastapi import APIRouter, Depends, HTTPException, status
+from pydantic import BaseModel, EmailStr
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.database import get_db
+from app.models.user import User
+
+router = APIRouter()
+
+
+# ── Pydantic schemas ────────────────────────────────────────────────
+
+class UserCreate(BaseModel):
+    username: str
+    email: EmailStr
+    password: str
+
+
+class UserResponse(BaseModel):
+    id: int
+    username: str
+    email: str
+    is_active: bool
+
+    model_config = {"from_attributes": True}
+
+
+class UserUpdate(BaseModel):
+    email: EmailStr | None = None
+    is_active: bool | None = None
+
+
+# ── Endpoints ────────────────────────────────────────────────────────
+
+@router.post(
+    "/",
+    response_model=UserResponse,
+    status_code=status.HTTP_201_CREATED,
+)
+async def create_user(user_in: UserCreate, db: Annotated[AsyncSession, Depends(get_db)]):
+    """Register a new user."""
+    # Check uniqueness of username
+    existing = await db.execute(select(User).where(User.username == user_in.username))
+    if existing.scalar_one_or_none():
+        raise HTTPException(status_code=400, detail="Username already taken")
+
+    # Check uniqueness of email
+    existing = await db.execute(select(User).where(User.email == user_in.email))
+    if existing.scalar_one_or_none():
+        raise HTTPException(status_code=400, detail="Email already registered")
+
+    from app.routers.auth import hash_password
+    hashed = hash_password(user_in.password)
+
+    user = User(
+        username=user_in.username,
+        email=user_in.email,
+        hashed_password=hashed,
+    )
+    db.add(user)
+    await db.commit()
+    await db.refresh(user)
+    return user
+
+
+@router.get("/me", response_model=UserResponse)
+async def get_current_user(
+    db: Annotated[AsyncSession, Depends(get_db)],
+    # current_user would come from JWT dependency in real usage
+):
+    """Get the currently authenticated user (placeholder)."""
+    raise HTTPException(status_code=501, detail="Not implemented")
+
+
+@router.get("/{user_id}", response_model=UserResponse)
+async def get_user(
+    user_id: int,
+    db: Annotated[AsyncSession, Depends(get_db)],
+):
+    """Get a user by ID."""
+    result = await db.execute(select(User).where(User.id == user_id))
+    user = result.scalar_one_or_none()
+    if not user:
+        raise HTTPException(status_code=404, detail="User not found")
+    return user
+
+
+@router.patch("/{user_id}", response_model=UserResponse)
+async def update_user(
+    user_id: int,
+    user_update: UserUpdate,
+    db: Annotated[AsyncSession, Depends(get_db)],
+):
+    """Update a user."""
+    result = await db.execute(select(User).where(User.id == user_id))
+    user = result.scalar_one_or_none()
+    if not user:
+        raise HTTPException(status_code=404, detail="User not found")
+
+    if user_update.email is not None:
+        user.email = user_update.email
+    if user_update.is_active is not None:
+        user.is_active = user_update.is_active
+
+    await db.commit()
+    await db.refresh(user)
+    return user
+
+
+@router.delete("/{user_id}", status_code=status.HTTP_204_NO_CONTENT)
+async def delete_user(
+    user_id: int,
+    db: Annotated[AsyncSession, Depends(get_db)],
+):
+    """Delete a user."""
+    result = await db.execute(select(User).where(User.id == user_id))
+    user = result.scalar_one_or_none()
+    if not user:
+        raise HTTPException(status_code=404, detail="User not found")
+    await db.delete(user)
+    await db.commit()