Create calendar_tool.py

calendar_tool.py

@@ -0,0 +1,36 @@
+import os
+import json
+from googleapiclient.discovery import build
+from google.oauth2.credentials import Credentials
+
+def get_calendar_service():
+    if os.getenv("ENABLE_CALENDAR") != "true":
+        return None
+    
+    try:
+        creds_json = os.getenv("GOOGLE_CALENDAR_CREDS_JSON")
+        if not creds_json:
+            return None
+            
+        creds_data = json.loads(creds_json)
+        creds = Credentials.from_authorized_user_info(creds_data["installed"])
+        return build("calendar", "v3", credentials=creds)
+    except Exception as e:
+        print(f"Calendar setup failed: {str(e)}")
+        return None
+
+def add_to_calendar(service, title, deadline):
+    if not service:
+        return "Calendar disabled"
+    
+    event = {
+        "summary": title,
+        "start": {"dateTime": deadline},
+        "end": {"dateTime": deadline}
+    }
+    
+    try:
+        service.events().insert(calendarId="primary", body=event).execute()
+        return "✅ Added to calendar"
+    except Exception as e:
+        return f"❌ Calendar error: {str(e)}"