Workspace white screen error resolved, issue was when we migrated from the local SQLite database to the Client-Server architecture during Phase 2, we didn't implement backend endpoints for adding, updating, or deleting users. Because the app.jsx file had nowhere to send those requests, the buttons didn't do anything

backend/main.py

@@ -35,6 +35,52 @@ async def login_for_access_token(form_data: schemas.UserLogin, db: Session = Dep
 def read_users(db: Session = Depends(get_db)):
     return db.query(models.User).all()
 
+@app.post("/users", response_model=schemas.User)
+def create_user(user: schemas.UserCreate, db: Session = Depends(get_db)):
+    db_user = models.User(
+        id=user.id,
+        name=user.name,
+        role=user.role,
+        hue=user.hue,
+        initials=user.initials,
+        email=user.email,
+        phone=user.phone,
+        photo=user.photo,
+        account_type=user.account_type,
+        password_hash=auth.get_password_hash(user.password)
+    )
+    db.add(db_user)
+    db.commit()
+    db.refresh(db_user)
+    return db_user
+
+@app.patch("/users/{user_id}", response_model=schemas.User)
+def update_user(user_id: str, user_update: schemas.UserUpdate, db: Session = Depends(get_db)):
+    db_user = db.query(models.User).filter(models.User.id == user_id).first()
+    if not db_user:
+        raise HTTPException(status_code=404, detail="User not found")
+    
+    update_data = user_update.dict(exclude_unset=True)
+    for key, value in update_data.items():
+        setattr(db_user, key, value)
+    
+    db.commit()
+    db.refresh(db_user)
+    return db_user
+
+@app.delete("/users/{user_id}")
+def delete_user(user_id: str, db: Session = Depends(get_db)):
+    db_user = db.query(models.User).filter(models.User.id == user_id).first()
+    if not db_user:
+        raise HTTPException(status_code=404, detail="User not found")
+    
+    # Reassign tasks to rod
+    db.query(models.Task).filter(models.Task.assignee_id == user_id).update({"assignee_id": "rod"})
+    
+    db.delete(db_user)
+    db.commit()
+    return {"message": "User deleted"}
+
 @app.get("/tasks", response_model=List[schemas.Task])
 def read_tasks(db: Session = Depends(get_db)):
     return db.query(models.Task).all()

backend/schemas.py

@@ -20,6 +20,12 @@ class UserLogin(BaseModel):
     id: str
     password: str
 
+class UserUpdate(BaseModel):
+    name: Optional[str] = None
+    role: Optional[str] = None
+    account_type: Optional[str] = None
+    photo: Optional[str] = None
+
 class User(UserBase):
     created_at: datetime
     class Config: