[DELEGATION] Edit attendance and events, delete event for someone (#553)

* [#523] added way to manage attendance for delegated calendars

* [DELEGATION] #523 & #524 changed eventURL calculation for delegated events to have the rigth one

* [#524] added drag and drop authorisation to delegated event

* [#524] added tests

* [#524] support for the permission access

* [#524] no edit when delegated event is not public

src/utils/getEffectiveEmail.ts

@@ -0,0 +1,9 @@
+import { Calendar } from "@/features/Calendars/CalendarTypes";
+
+export function getEffectiveEmail(
+  calendar: Calendar | undefined,
+  isWriteDelegated: boolean,
+  userAddress: string | undefined
+): string | undefined {
+  return isWriteDelegated ? calendar?.owner?.emails?.[0] : userAddress;
+}

src/utils/isEventOrganiser.ts

@@ -0,0 +1,11 @@
+import { CalendarEvent } from "@/features/Events/EventsTypes";
+
+export function isEventOrganiser(
+  event: CalendarEvent,
+  effectiveEmail: string | undefined
+): boolean {
+  if (!event.organizer) return true; // no organizer = assume owner
+  const organizerEmail = event.organizer.cal_address?.toLowerCase();
+  if (!organizerEmail || !effectiveEmail) return false;
+  return organizerEmail === effectiveEmail.toLowerCase();
+}