refac: use dependencies to verify token

- feat: added new util to get the current user when needed. Middleware was adding authentication logic to all the routes. let's revisit if we can move the non-auth endpoints to a separate route.
- refac: update the routes to use new helpers for verification and retrieving user
- chore: added black for local formatting of py code

backend/apps/web/routers/chats.py

@@ -1,8 +1,7 @@
-
 from fastapi import Depends, Request, HTTPException, status
 from datetime import datetime, timedelta
 from typing import List, Union, Optional
-
+from utils.utils import get_current_user
 from fastapi import APIRouter
 from pydantic import BaseModel
 import json
@@ -30,8 +29,10 @@ router = APIRouter()
 
 
 @router.get("/", response_model=List[ChatTitleIdResponse])
-async def get_user_chats(request:Request, skip: int = 0, limit: int = 50):
-    return Chats.get_chat_lists_by_user_id(request.user.id, skip, limit)
+async def get_user_chats(
+    user=Depends(get_current_user), skip: int = 0, limit: int = 50
+):
+    return Chats.get_chat_lists_by_user_id(user.id, skip, limit)
 
 
 ############################
@@ -40,11 +41,11 @@ async def get_user_chats(request:Request, skip: int = 0, limit: int = 50):
 
 
 @router.get("/all", response_model=List[ChatResponse])
-async def get_all_user_chats(request:Request,):
+async def get_all_user_chats(user=Depends(get_current_user)):
     return [
-            ChatResponse(**{**chat.model_dump(), "chat": json.loads(chat.chat)})
-            for chat in Chats.get_all_chats_by_user_id(request.user.id)
-        ]
+        ChatResponse(**{**chat.model_dump(), "chat": json.loads(chat.chat)})
+        for chat in Chats.get_all_chats_by_user_id(user.id)
+    ]
 
 
 ############################
@@ -53,8 +54,8 @@ async def get_all_user_chats(request:Request,):
 
 
 @router.post("/new", response_model=Optional[ChatResponse])
-async def create_new_chat(form_data: ChatForm,request:Request):
-    chat = Chats.insert_new_chat(request.user.id, form_data)
+async def create_new_chat(form_data: ChatForm, user=Depends(get_current_user)):
+    chat = Chats.insert_new_chat(user.id, form_data)
     return ChatResponse(**{**chat.model_dump(), "chat": json.loads(chat.chat)})
 
 
@@ -64,14 +65,15 @@ async def create_new_chat(form_data: ChatForm,request:Request):
 
 
 @router.get("/{id}", response_model=Optional[ChatResponse])
-async def get_chat_by_id(id: str, request:Request):
-    chat = Chats.get_chat_by_id_and_user_id(id, request.user.id)
+async def get_chat_by_id(id: str, user=Depends(get_current_user)):
+    chat = Chats.get_chat_by_id_and_user_id(id, user.id)
 
     if chat:
         return ChatResponse(**{**chat.model_dump(), "chat": json.loads(chat.chat)})
     else:
-        raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED,
-                            detail=ERROR_MESSAGES.NOT_FOUND)
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED, detail=ERROR_MESSAGES.NOT_FOUND
+        )
 
 
 ############################
@@ -80,18 +82,20 @@ async def get_chat_by_id(id: str, request:Request):
 
 
 @router.post("/{id}", response_model=Optional[ChatResponse])
-async def update_chat_by_id(id: str, form_data: ChatForm, request:Request):
-    chat = Chats.get_chat_by_id_and_user_id(id, request.user.id)
+async def update_chat_by_id(
+    id: str, form_data: ChatForm, user=Depends(get_current_user)
+):
+    chat = Chats.get_chat_by_id_and_user_id(id, user.id)
     if chat:
-            updated_chat = {**json.loads(chat.chat), **form_data.chat}
+        updated_chat = {**json.loads(chat.chat), **form_data.chat}
 
-            chat = Chats.update_chat_by_id(id, updated_chat)
-            return ChatResponse(**{**chat.model_dump(), "chat": json.loads(chat.chat)})
+        chat = Chats.update_chat_by_id(id, updated_chat)
+        return ChatResponse(**{**chat.model_dump(), "chat": json.loads(chat.chat)})
     else:
-            raise HTTPException(
-                status_code=status.HTTP_401_UNAUTHORIZED,
-                detail=ERROR_MESSAGES.ACCESS_PROHIBITED,
-            )
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail=ERROR_MESSAGES.ACCESS_PROHIBITED,
+        )
 
 
 ############################
@@ -100,6 +104,6 @@ async def update_chat_by_id(id: str, form_data: ChatForm, request:Request):
 
 
 @router.delete("/{id}", response_model=bool)
-async def delete_chat_by_id(id: str, request: Request):
-    result = Chats.delete_chat_by_id_and_user_id(id, request.user.id)
-    return result
+async def delete_chat_by_id(id: str, user=Depends(get_current_user)):
+    result = Chats.delete_chat_by_id_and_user_id(id, user.id)
+    return result