add unattend

app.py

@@ -50,3 +50,23 @@ def attend(id):
     calendar_interface.update_calendar_event(id, data)    
 
     return redirect(url_for('index'))
+
+@app.route('/<id>/unattend')
+@auth.login_required
+def unattend(id):
+    event = calendar_interface.get_calendar_event(id)
+
+    user = g.user["username"]
+    email = g.user["email"]
+
+    # only update attendees, now the whole event
+    data = {}
+    data["attendees"] = event["attendees"]
+
+    logging.info("attempting to unattend event with user: %s %s", email, user)
+    calendar_interface.delte_attendee(data, email)
+
+    logging.info("Sending data for attendee update:\n%s", json.dumps(data, indent=2))
+    calendar_interface.update_calendar_event(id, data)    
+
+    return redirect(url_for('index'))

calendar_interface.py

@@ -144,7 +144,7 @@ def add_attendee(data, name, email):
 def delte_attendee(data, email):
     for i, d in enumerate(data["attendees"]):
         if d["emailAddress"]["address"] == email:
-            del data[i]
+            del data["attendees"][i]
             break