use set for storing calendar ids for sync (#2507)

Author: yujonglee

apps/desktop/src/services/apple-calendar/ctx.ts

@@ -7,15 +7,15 @@ export interface Ctx {
   userId: string;
   from: Date;
   to: Date;
-  calendarIds: string[];
+  calendarIds: Set<string>;
 }
 
 export function createCtx(store: Store, queries: Queries<Schemas>): Ctx | null {
   const resultTable = queries.getResultTable(QUERIES.enabledAppleCalendars);
 
-  const calendarIds = Object.keys(resultTable);
+  const calendarIds = new Set(Object.keys(resultTable));
 
-  if (calendarIds.length === 0) {
+  if (calendarIds.size === 0) {
     return null;
   }
 

apps/desktop/src/services/apple-calendar/fetch/existing.ts

@@ -2,7 +2,7 @@ import type { Ctx } from "../ctx";
 import type { ExistingEvent } from "./types";
 
 export function fetchExistingEvents(ctx: Ctx): Array<ExistingEvent> {
-  const enabledCalendarIds = new Set(ctx.calendarIds);
+  const enabledCalendarIds = ctx.calendarIds;
   const events: Array<ExistingEvent> = [];
 
   ctx.store.forEachRow("events", (rowId, _forEachCell) => {

apps/desktop/src/services/apple-calendar/fetch/incoming.ts

@@ -10,7 +10,7 @@ export async function fetchIncomingEvents(
   ctx: Ctx,
 ): Promise<Array<IncomingEvent>> {
   const results = await Promise.all(
-    ctx.calendarIds.map(async (calendarId) => {
+    Array.from(ctx.calendarIds).map(async (calendarId) => {
       const result = await appleCalendarCommands.listEvents({
         calendar_tracking_id: calendarId,
         from: ctx.from.toISOString(),