17 lines
706 B
TypeScript
17 lines
706 B
TypeScript
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import {cryptoRandomDictionary} from "wms-core/Utils";
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import config from "config";
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import FileModel from "./models/FileModel";
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import {ServerError} from "wms-core/HttpError";
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const SLUG_DICTIONARY = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
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export default async function generateSlug(tries: number): Promise<string> {
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let i = 0;
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do {
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const slug = cryptoRandomDictionary(config.get<number>('newlyGeneratedSlugSize'), SLUG_DICTIONARY);
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if (!await FileModel.getBySlug(slug)) {
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return slug;
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}
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i++;
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} while (i < tries);
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throw new ServerError('Failed to generate slug; newly generated slug size should be increased by 1.');
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};
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