From 2de5f57437526043b067a06854711f728379ff0d Mon Sep 17 00:00:00 2001
From: Joe Au-Yeung <65426560+joeauyeung@users.noreply.github.com>
Date: Thu, 10 Aug 2023 13:28:56 -0400
Subject: [PATCH] perf: Reduce Outlook Calendar & Availability Response Size
 (#10570)

* Getting availability reduce the response size

* Add list calendar filter param

* Clean up
---
 .../app-store/office365calendar/lib/CalendarService.ts    | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/packages/app-store/office365calendar/lib/CalendarService.ts b/packages/app-store/office365calendar/lib/CalendarService.ts
index 3af981fbc1..c4faa5f8ec 100644
--- a/packages/app-store/office365calendar/lib/CalendarService.ts
+++ b/packages/app-store/office365calendar/lib/CalendarService.ts
@@ -133,6 +133,8 @@ export default class Office365CalendarService implements Calendar {
       dateFromParsed.toISOString()
     )}&endDateTime=${encodeURIComponent(dateToParsed.toISOString())}`;
 
+    const calendarSelectParams = "$select=showAs,start,end";
+
     try {
       const selectedCalendarIds = selectedCalendars
         .filter((e) => e.integration === this.integrationName)
@@ -149,7 +151,7 @@ export default class Office365CalendarService implements Calendar {
       const requests = ids.map((calendarId, id) => ({
         id,
         method: "GET",
-        url: `/me/calendars/${calendarId}/calendarView${filter}`,
+        url: `/me/calendars/${calendarId}/calendarView${filter}&${calendarSelectParams}`,
       }));
       const response = await this.apiGraphBatchCall(requests);
       const responseBody = await this.handleErrorJsonOffice365Calendar(response);
@@ -181,8 +183,10 @@ export default class Office365CalendarService implements Calendar {
     const officeCalendars: OfficeCalendar[] = [];
     // List calendars from MS are paginated
     let finishedParsingCalendars = false;
+    const calendarFilterParam = "$select=id,name,isDefaultCalendar,canEdit";
+
     // Store @odata.nextLink if in response
-    let requestLink = "/me/calendars";
+    let requestLink = `/me/calendars?${calendarFilterParam}`;
 
     while (!finishedParsingCalendars) {
       const response = await this.fetcher(requestLink);