Update app.py

app.py

@@ -19,10 +19,33 @@ openai = OpenAI(api_key = openai.api_key)
 
 class GPTDriveIntegration:
     def __init__(self):
-        self.credentials = service_account.Credentials.from_service_account_file(
-            os.getenv('GOOGLE_SERVICE_ACCOUNT_FILE'),
+               credentials_info = {
+            "type": "service_account",
+            "project_id": os.getenv('GOOGLE_PROJECT_ID'),
+            "private_key_id": os.getenv('GOOGLE_PRIVATE_KEY_ID'),
+            "private_key": os.getenv('GOOGLE_PRIVATE_KEY').replace('\\n', '\n'),  # Fix line breaks
+            "client_email": os.getenv('GOOGLE_CLIENT_EMAIL'),
+            "client_id": os.getenv('GOOGLE_CLIENT_ID'),
+            "auth_uri": "https://accounts.google.com/o/oauth2/auth",
+            "token_uri": "https://oauth2.googleapis.com/token",
+            "auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
+            "client_x509_cert_url": os.getenv('GOOGLE_CLIENT_CERT_URL'),
+            "universe_domain": "googleapis.com"
+        }
+        
+        # Check if all required fields are present
+        required_fields = ['project_id', 'private_key', 'client_email']
+        missing_fields = [field for field in required_fields if not credentials_info[field]]
+        
+        if missing_fields:
+            raise ValueError(f"Missing required environment variables: {missing_fields}")
+        
+        # Initialize Google Drive API
+        self.credentials = service_account.Credentials.from_service_account_info(
+            credentials_info,
             scopes=['https://www.googleapis.com/auth/drive.readonly']
         )
+        
         self.drive_service = build('drive', 'v3', credentials=self.credentials)
         
         # Initialize OpenAI