1 files changed, 18 insertions, 9 deletions
diff --git a/app.py b/app.py
index d22c28d..798d4fd 100644
--- a/app.py
+++ b/app.py
@@ -64,14 +64,23 @@ class Event(Base):
         return json.loads(self.invites)
 
     def to_ics(self):
-        c = ics.Calendar()
-        e = ics.Event()
-        e.name = self.title
-        e.begin = self.time
-        e.location = self.location
-        e.description = self.description
-        c.events.add(e)
-        return c
+        fmt = "%Y%m%dT%H%M%SZ"
+        start = self.time.strftime(fmt)
+        now = datetime.datetime.now().strftime(fmt)
+        return f'''
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:custom
+BEGIN:VEVENT
+DESCRIPTION:{self.description}
+LOCATION:{self.location}
+DTSTART:{start}
+DTSTAMP:{now}
+SUMMARY:{self.title}
+UID:{self.iden}
+END:VEVENT
+END:VCALENDAR
+        '''
 
 @asynccontextmanager
 async def db_connection(app: Litestar) -> AsyncGenerator[None, None]:
@@ -128,7 +137,7 @@ async def calendar(state: State, iden: str) -> ASGIStreamingResponse:
             result = await session.execute(query)
             event = result.scalar_one()
     ics = event.to_ics()
-    f = io.StringIO(ics.serialize())
+    f = io.StringIO(ics)
     return ASGIStreamingResponse(iterator=f, media_type='text/plain', headers={
         'Content-Disposition': 'attachment; filename=event.ics',
     })