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Merge pull request #434 from FixTweet/improved-mosaic-load-balancing

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Assign mosaic load balancing based on id
This commit is contained in:
dangered wolf 2023-10-19 01:42:48 -04:00 • committed by GitHub
commit 0b3211c455
Signed by: DevComp
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 16 additions and 6 deletions
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22
src/helpers/mosaic.ts
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@ -1,16 +1,26 @@
import { Constants } from '../constants';
const getDomain = (twitterId: string): string | null => {
const mosaicDomains = Constants.MOSAIC_DOMAIN_LIST;
if (mosaicDomains.length === 0) {
return null;
}
let hash = 0;
for (let i = 0; i < twitterId.length; i++) {
const char = twitterId.charCodeAt(i);
hash = (hash << 5) - hash + char;
}
return mosaicDomains[Math.abs(hash) % mosaicDomains.length];
}
/* Handler for mosaic (multi-image combiner) */
export const handleMosaic = async (
mediaList: APIPhoto[],
id: string
): Promise<APIMosaicPhoto | null> => {
const mosaicDomains = Constants.MOSAIC_DOMAIN_LIST;
let selectedDomain: string | null = null;
while (selectedDomain === null && mosaicDomains.length > 0) {
const domain = mosaicDomains[Math.floor(Math.random() * mosaicDomains.length)];
selectedDomain = domain;
}
const selectedDomain: string | null = getDomain(id);
/* Fallback if there are no Mosaic servers */
if (selectedDomain === null) {