unleash-server/dist/lib/features/user-subscriptions/user-subscriptions-service.js

Unleash is an enterprise ready feature flag service. It provides different strategies for handling feature flags.

import { UserPreferenceUpdatedEvent, } from '../../types/index.js';
export class UserSubscriptionsService {
    constructor({ userUnsubscribeStore, userSubscriptionsReadModel, }, { getLogger }, eventService) {
        this.userUnsubscribeStore = userUnsubscribeStore;
        this.userSubscriptionsReadModel = userSubscriptionsReadModel;
        this.eventService = eventService;
        this.logger = getLogger('services/user-subscription-service.ts');
    }
    async getUserSubscriptions(userId) {
        return this.userSubscriptionsReadModel.getUserSubscriptions(userId);
    }
    async subscribe(userId, subscription, auditUser) {
        const entry = {
            userId,
            subscription,
        };
        await this.userUnsubscribeStore.delete(entry);
        await this.eventService.storeEvent(new UserPreferenceUpdatedEvent({
            userId,
            data: { subscription, action: 'subscribed' },
            auditUser,
        }));
    }
    async unsubscribe(userId, subscription, auditUser) {
        const entry = {
            userId,
            subscription,
        };
        await this.userUnsubscribeStore.insert(entry);
        await this.eventService.storeEvent(new UserPreferenceUpdatedEvent({
            userId,
            data: { subscription, action: 'unsubscribed' },
            auditUser,
        }));
    }
}
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