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Media Loader: Retry if failed (#3634)

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This commit is contained in:
Alexander Zinchuk 2023-07-20 20:29:35 +02:00
parent de532bd535
commit cde0f8c5f8
1 changed files with 13 additions and 3 deletions
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16
src/util/mediaLoader.ts
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@ -29,6 +29,8 @@ const asCacheApiType = {
const PROGRESSIVE_URL_PREFIX = `${IS_ELECTRON ? ELECTRON_HOST_URL : '.'}/progressive/`;
const URL_DOWNLOAD_PREFIX = './download/';
const RETRY_MEDIA_AFTER = 2000;
const MAX_MEDIA_RETRIES = 3;
const memoryCache = new Map<string, ApiPreparedMedia>();
const fetchPromises = new Map<string, Promise<ApiPreparedMedia | undefined>>();
@ -127,8 +129,8 @@ function getDownloadUrl(url: string) {
}
async function fetchFromCacheOrRemote(
url: string, mediaFormat: ApiMediaFormat, isHtmlAllowed: boolean,
) {
url: string, mediaFormat: ApiMediaFormat, isHtmlAllowed: boolean, retryNumber = 0,
): Promise<string> {
if (!MEDIA_CACHE_DISABLED) {
const cacheName = url.startsWith('avatar') ? MEDIA_CACHE_NAME_AVATARS : MEDIA_CACHE_NAME;
const cached = await cacheApi.fetch(cacheName, url, asCacheApiType[mediaFormat]!, isHtmlAllowed);
@ -183,7 +185,15 @@ async function fetchFromCacheOrRemote(
const remote = await callApi('downloadMedia', { url, mediaFormat, isHtmlAllowed }, onProgress);
if (!remote) {
throw new Error(`Failed to fetch media ${url}`);
if (retryNumber >= MAX_MEDIA_RETRIES) {
throw new Error(`Failed to fetch media ${url}`);
}
await new Promise((resolve) => {
setTimeout(resolve, RETRY_MEDIA_AFTER);
});
// eslint-disable-next-line no-console
if (DEBUG) console.debug(`Retrying to fetch media ${url}`);
return fetchFromCacheOrRemote(url, mediaFormat, isHtmlAllowed, retryNumber + 1);
}
let { mimeType } = remote;