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Minimized msgraph calls while event listing by batching

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Alex van Andel 2021-07-05 19:50:54 +00:00
parent 90d6f8faee
commit 496fcdfabc
1 changed files with 32 additions and 22 deletions
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54
lib/calendarClient.ts
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@ -225,28 +225,38 @@ const MicrosoftOffice365Calendar = (credential): CalendarApiAdapter => {
? listCalendars().then((cals) => cals.map((e) => e.externalId))
: Promise.resolve(selectedCalendarIds).then((x) => x)
).then((ids: string[]) => {
const urls = ids.map(
(calendarId) =>
"https://graph.microsoft.com/v1.0/me/calendars/" + calendarId + "/events" + filter
);
return Promise.all(
urls.map((url) =>
fetch(url, {
method: "get",
headers: {
Authorization: "Bearer " + accessToken,
Prefer: 'outlook.timezone="Etc/GMT"',
},
})
.then(handleErrorsJson)
.then((responseBody) =>
responseBody.value.map((evt) => ({
start: evt.start.dateTime + "Z",
end: evt.end.dateTime + "Z",
}))
)
)
).then((results) => results.reduce((acc, events) => acc.concat(events), []));
const requests = ids.map((calendarId, id) => ({
id,
method: "GET",
headers: {
Prefer: 'outlook.timezone="Etc/GMT"',
},
url: `/me/calendars/${calendarId}/events${filter}`,
}));
return fetch("https://graph.microsoft.com/v1.0/$batch", {
method: "POST",
headers: {
Authorization: "Bearer " + accessToken,
"Content-Type": "application/json",
},
body: JSON.stringify({ requests }),
})
.then(handleErrorsJson)
.then((responseBody) =>
responseBody.responses.reduce(
(acc, subResponse) =>
acc.concat(
subResponse.body.value.map((evt) => {
return {
start: evt.start.dateTime + "Z",
end: evt.end.dateTime + "Z",
};
})
),
[]
)
);
});
})
.catch((err) => {