fixing chat

backend.py

@@ -189,17 +189,27 @@ def get_past_reports_from_sqllite(user_id: str):
 @app.post("/chat/", response_model=ChatResponse)
 async def chat_endpoint(request: ChatRequest):
     global result
+    print(f"Received chat request for user: {request.user_id}")
+    """
+    Chatbot endpoint that answers questions based on the last analyzed document and user history.
+    """
+   
+    #history_text = get_past_reports_from_firestore(request.user_id)
+    full_document_text = get_past_reports_from_sqllite(request.user_id)
+
+    #full_document_text =  +"\n\n" + "PAST REPORTS:\n" + history_text
+
+    if not full_document_text:
+        raise HTTPException(status_code=400, detail="No past reports or current data exists for this user")
+    
+    
     try:
-        document_text = json.dumps(result) if result else "No parsed text available"
+        document_text = json.dumps(full_document_text) 
         full_prompt = system_prompt_chat.format(
             document_text=document_text,
             user_question=request.question
         )
-        data = await request.json()
-        question = data.get("question")
-        report_text = data.get("report_text")
-        user_id = data.get("user_id")
-
+       
         response = model.generate_content(full_prompt)
         return ChatResponse(answer=response.text)
     except Exception as e:
@@ -207,11 +217,13 @@ async def chat_endpoint(request: ChatRequest):
 
 @app.post("/analyze")
 async def analyze_endpoint(file: UploadFile = File(...), prompt: str = Form(None)):
-    global result
+    
     """
     Upload an image file (field name `file`) and optional text `prompt`.
     Returns parsed JSON (or raw model output if JSON couldn't be parsed).
     """
+
+    global result
     contents = await file.read()  # <-- this gets the uploaded file bytes
     mime = file.content_type or "image/png"
     result = await analyze_image(contents, mime, prompt)