feat: Implement UserProfiles

apps/api/src/routers/users.py

@@ -28,6 +28,7 @@ from src.services.users.users import (
     get_user_session,
     read_user_by_id,
     read_user_by_uuid,
+    read_user_by_username,
     update_user,
     update_user_avatar,
     update_user_password,
@@ -170,6 +171,20 @@ async def api_get_user_by_uuid(
     return await read_user_by_uuid(request, db_session, current_user, user_uuid)
 
 
+@router.get("/username/{username}", response_model=UserRead, tags=["users"])
+async def api_get_user_by_username(
+    *,
+    request: Request,
+    db_session: Session = Depends(get_db_session),
+    current_user: PublicUser = Depends(get_current_user),
+    username: str,
+) -> UserRead:
+    """
+    Get User by Username
+    """
+    return await read_user_by_username(request, db_session, current_user, username)
+
+
 @router.put("/{user_id}", response_model=UserRead, tags=["users"])
 async def api_update_user(
     *,

apps/api/src/services/users/users.py

@@ -424,6 +424,30 @@ async def read_user_by_uuid(
     return user
 
 
+async def read_user_by_username(
+    request: Request,
+    db_session: Session,
+    current_user: PublicUser | AnonymousUser,
+    username: str,
+):
+    # Get user
+    statement = select(User).where(User.username == username)
+    user = db_session.exec(statement).first()
+
+    if not user:
+        raise HTTPException(
+            status_code=400,
+            detail="User does not exist",
+        )
+
+    # RBAC check
+    await rbac_check(request, current_user, "read", user.user_uuid, db_session)
+
+    user = UserRead.model_validate(user)
+
+    return user
+
+
 async def get_user_session(
     request: Request,
     db_session: Session,