75 lines
1.7 KiB
TypeScript
75 lines
1.7 KiB
TypeScript
import { Transaction } from "sequelize";
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import { Subscription, Event, User } from "@server/models";
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type Props = {
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/** The user creating the subscription */
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user: User;
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/** The document to subscribe to */
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documentId?: string;
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/** Event to subscribe to */
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event: string;
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/** The IP address of the incoming request */
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ip: string;
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/** Whether the subscription should be restored if it exists in a deleted state */
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resubscribe?: boolean;
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transaction: Transaction;
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};
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/**
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* This command creates a subscription of a user to a document.
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*
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* @returns The subscription that was created
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*/
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export default async function subscriptionCreator({
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user,
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documentId,
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event,
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ip,
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resubscribe = true,
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transaction,
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}: Props): Promise<Subscription> {
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const [subscription, created] = await Subscription.findOrCreate({
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where: {
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userId: user.id,
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documentId,
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event,
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},
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transaction,
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// Previous subscriptions are soft-deleted, we want to know about them here
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paranoid: false,
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});
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// If the subscription was deleted, then just restore the existing row.
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if (subscription.deletedAt && resubscribe) {
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subscription.restore({ transaction });
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await Event.create(
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{
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name: "subscriptions.create",
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modelId: subscription.id,
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actorId: user.id,
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userId: user.id,
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documentId,
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ip,
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},
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{ transaction }
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);
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}
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if (created) {
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await Event.create(
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{
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name: "subscriptions.create",
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modelId: subscription.id,
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actorId: user.id,
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userId: user.id,
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documentId,
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ip,
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},
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{ transaction }
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);
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}
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return subscription;
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}
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