feat(eventCard): Add support for leaving invited events

app/src/main/java/com/p_vacho/neat_calendar/activities/DayViewActivity.kt

@@ -134,9 +134,14 @@ class DayViewActivity : AppCompatActivity() {
      * This can be triggered for invited events only, delete equivalent.
      */
     private fun onEventLeave(event: EventResponse, position: Int) {
-        TODO("API call for leaving event")
-        events.removeAt(position)
-        rvEvents.adapter!!.notifyItemRemoved(position)
+        lifecycleScope.launch {
+            withContext(Dispatchers.IO) {
+                RetrofitClient.eventsService.deleteInvitedEvent(event.id)
+            }
+
+            events.removeAt(position)
+            rvEvents.adapter!!.notifyItemRemoved(position)
+        }
     }
 
     /**

app/src/main/java/com/p_vacho/neat_calendar/api/services/EventsService.kt

@@ -37,6 +37,9 @@ interface EventsService {
     @DELETE("events/{event_id}")
     suspend fun deleteEvent(@Path("event_id") eventId: String): Unit
 
+    @DELETE("events/{event_id}/invited")
+    suspend fun deleteInvitedEvent(@Path("event_id") eventId: String): Unit
+
     @POST("events")
     suspend fun createEvent(@Body eventData: EventRequest): EventResponse