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50 lines
2.2 KiB
50 lines
2.2 KiB
import {ForkResult} from 'app/common/ActiveDocAPI';
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import {buildUrlId, parseUrlId} from 'app/common/gristUrls';
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import {padStart} from 'app/common/gutil';
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import {IDocWorkerMap} from 'app/server/lib/DocWorkerMap';
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import * as shortUUID from 'short-uuid';
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// make an id that is a standard UUID compressed into fewer characters.
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export function makeId(): string {
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// Generate a flickr-style id, by converting a regular uuid interpreted
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// as a hex number (without dashes) into a number expressed in a bigger
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// base. That number is encoded as characters chosen for url safety and
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// lack of confusability. The character encoding zero is '1'. We pad the
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// result so that the length of the id remains consistent, since there is
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// routing that depends on the id length exceeding a minimum threshold.
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return padStart(shortUUID.generate(), 22, '1');
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}
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/**
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* Construct an id for a fork, given the userId, whether the user is the anonymous user,
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* and the id of a reference document (the trunk).
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* If the userId is null, the user will be treated as the anonymous user.
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*/
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export function makeForkIds(options: { userId: number|null, isAnonymous: boolean,
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trunkDocId: string, trunkUrlId: string }): ForkResult {
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const forkId = makeId();
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const forkUserId = options.isAnonymous ? undefined :
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(options.userId !== null ? options.userId : undefined);
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// TODO: we will want to support forks of forks, but for now we do not -
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// forks are always forks of the trunk.
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const docId = parseUrlId(options.trunkDocId).trunkId;
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const urlId = parseUrlId(options.trunkUrlId).trunkId;
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return {
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docId: buildUrlId({trunkId: docId, forkId, forkUserId}),
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urlId: buildUrlId({trunkId: urlId, forkId, forkUserId}),
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};
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}
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// This used to do a hack for importing, but now does nothing.
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// Instead, the server will interpret the special docId "import".
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export function getAssignmentId(docWorkerMap: IDocWorkerMap, docId: string): string {
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return docId;
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}
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// Get the externalId to use for an AppSumo user. AppSumo identifies users by
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// an activation email, so we just use that (with an appsumo/ prefix it allow
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// for other families of id in the future).
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export function getExternalIdForAppSumoUser(email: string) {
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return `appsumo/${email}`;
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}
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