1 files changed, 40 insertions, 0 deletions
diff --git a/app/routes/users/changeusername.py b/app/routes/users/changeusername.py
new file mode 100644
index 0000000..66ba8da
--- /dev/null
+++ b/app/routes/users/changeusername.py
@@ -0,0 +1,40 @@
+from fastapi import APIRouter, Depends, HTTPException
+from pydantic import BaseModel
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.auth.dependencies import get_current_user
+from app.models.user import User
+from app.utils.db import get_async_session
+
+router = APIRouter()
+
+
+class ChangeUsernameRequest(BaseModel):
+    username: str
+
+
+@router.patch("/users/change-username")
+async def change_username(
+    data: ChangeUsernameRequest,
+    user_info: dict = Depends(get_current_user),
+    session: AsyncSession = Depends(get_async_session),
+):
+    if not user_info["authenticated"]:
+        raise HTTPException(status_code=401, detail="Not authenticated")
+
+    user = user_info["user"]
+
+    if len(data.username) < 3:
+        raise HTTPException(status_code=400, detail="Username too short")
+
+    db_user = await session.get(User, user["id"])
+
+    if not db_user:
+        raise HTTPException(status_code=404, detail="User not found")
+
+    db_user.username = data.username
+
+    await session.commit()
+    await session.refresh(db_user)
+
+    return {"success": True, "username": db_user.username}