Upload app.py

app.py

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+from fastapi import FastAPI, File, UploadFile, Form, HTTPException
+from fastapi.responses import JSONResponse
+import os
+import shutil
+from chain import extract_pdf_with_user, get_final_aswer
+
+app = FastAPI()
+
+UPLOAD_DIR = "uploads"
+os.makedirs(UPLOAD_DIR, exist_ok=True)
+
+@app.post("/extract/")
+async def extract_pdf(
+    user_id: str = Form(...),
+    name: str = Form(...),
+    uploaded_file: UploadFile = File(...)
+):
+    if not uploaded_file.filename.endswith(".pdf"):
+        raise HTTPException(status_code=400, detail="Only PDF files are allowed.")
+    
+    upload_path = os.path.join(UPLOAD_DIR, uploaded_file.filename)
+    with open(upload_path, "wb") as buffer:
+        shutil.copyfileobj(uploaded_file.file, buffer)
+
+    documents = extract_pdf_with_user(user_id, upload_path, name)
+    return {"message": "PDF processed!", "documents": documents}
+
+
+@app.post("/answer/")
+async def get_answer(
+    user_id: str = Form(...),
+    name: str = Form(...),
+    query: str = Form(...)
+):
+    pdf_path = os.path.join(UPLOAD_DIR, f"{name}.pdf")
+    if not os.path.exists(pdf_path):
+        raise HTTPException(status_code=404, detail=f"No PDF found with name '{name}.pdf'. Please upload and extract first.")
+    
+    answer = get_final_aswer(query, user_id, pdf_path)
+    return {"message": "Answer generated!", "answer": answer}