updated app.py

app.py

@@ -14,10 +14,10 @@ SCOPES = ['https://www.googleapis.com/auth/gmail.readonly']
 
 # Instead of reading from file, get credentials from environment variables
 CLIENT_CONFIG = {
-    "installed": {
+    "web": {  # Changed to "web" for web credentials
         "client_id": os.environ.get('GOOGLE_CLIENT_ID'),
         "client_secret": os.environ.get('GOOGLE_CLIENT_SECRET'),
-        "redirect_uris": ["urn:ietf:wg:oauth:2.0:oob"],
+        "redirect_uris": ["https://accounts.google.com/o/oauth2/auth"],  # Standard Google OAuth endpoint
         "auth_uri": "https://accounts.google.com/o/oauth2/auth",
         "token_uri": "https://oauth2.googleapis.com/token",
     }
@@ -124,9 +124,39 @@ def classify_email(email_data):
 
 def fetch_emails(days_back, auth_code="", include_job=True, include_personal=True, progress=gr.Progress()):
     """Main function to fetch and filter emails"""
-    state_dict = {}
+    if not auth_code:
+        try:
+            # Configure OAuth2 flow for web application
+            flow = InstalledAppFlow.from_client_config(
+                CLIENT_CONFIG,
+                SCOPES,
+                redirect_uri="https://accounts.google.com/o/oauth2/auth"  # Standard Google OAuth endpoint
+            )
+            
+            # Generate authorization URL
+            auth_url, _ = flow.authorization_url(
+                access_type='offline',
+                include_granted_scopes='true'
+            )
+            
+            return f"""Please follow these steps:
+
+1. Click this link to authorize the application:
+{auth_url}
+
+2. Sign in with your Google account
+3. Click 'Allow' to grant access
+4. Copy the authorization code shown
+5. Paste the code here and click 'Connect and Fetch Emails' again"""
     
     try:
+        # Process the auth code and fetch emails
+        flow = InstalledAppFlow.from_client_config(
+            CLIENT_CONFIG,
+            SCOPES,
+            redirect_uri="https://accounts.google.com/o/oauth2/auth"  # Same redirect URI here
+        )
+        
         service = get_gmail_service(state_dict)
         if isinstance(service, str):
             # This means we got an auth URL instead of a service