feat: pause, resume main subscription

packages/server/src/services/Subscription/LemonCancelSubscription.ts

@@ -0,0 +1,47 @@
+import { Inject, Service } from 'typedi';
+import { cancelSubscription } from '@lemonsqueezy/lemonsqueezy.js';
+import { configureLemonSqueezy } from './utils';
+import { PlanSubscription } from '@/system/models';
+import { ServiceError } from '@/exceptions';
+import { EventPublisher } from '@/lib/EventPublisher/EventPublisher';
+import events from '@/subscribers/events';
+import { ERRORS, IOrganizationSubscriptionCanceled } from './types';
+
+@Service()
+export class LemonCancelSubscription {
+  @Inject()
+  private eventPublisher: EventPublisher;
+
+  /**
+   * Cancels the subscription of the given tenant.
+   * @param {number} tenantId
+   * @param {number} subscriptionId
+   * @returns {Promise<void>}
+   */
+  public async cancelSubscription(tenantId: number) {
+    configureLemonSqueezy();
+
+    const subscription = await PlanSubscription.query().findOne({
+      tenantId,
+      slug: 'main',
+    });
+    if (!subscription) {
+      throw new ServiceError(ERRORS.SUBSCRIPTION_ID_NOT_ASSOCIATED_TO_TENANT);
+    }
+    const lemonSusbcriptionId = subscription.lemonSubscriptionId;
+    const subscriptionId = subscription.id;
+    const cancelledSub = await cancelSubscription(lemonSusbcriptionId);
+
+    if (cancelledSub.error) {
+      throw new Error(cancelledSub.error.message);
+    }
+    await PlanSubscription.query().findById(subscriptionId).patch({
+      canceledAt: new Date(),
+    });
+    // Triggers `onSubscriptionCanceled` event.
+    await this.eventPublisher.emitAsync(
+      events.subscription.onSubscriptionCanceled,
+      { tenantId, subscriptionId } as IOrganizationSubscriptionCanceled
+    );
+  }
+}