add server to monorepo.

packages/server/src/services/Items/ActivateItem.ts

@@ -0,0 +1,40 @@
+import { Service, Inject } from 'typedi';
+import { Knex } from 'knex';
+import { EventPublisher } from '@/lib/EventPublisher/EventPublisher';
+import HasTenancyService from '@/services/Tenancy/TenancyService';
+import UnitOfWork from '@/services/UnitOfWork';
+import events from '@/subscribers/events';
+
+@Service()
+export class ActivateItem {
+  @Inject()
+  tenancy: HasTenancyService;
+
+  @Inject()
+  private eventPublisher: EventPublisher;
+
+  @Inject()
+  private uow: UnitOfWork;
+
+  /**
+   * Activates the given item on the storage.
+   * @param {number} tenantId -
+   * @param {number} itemId -
+   * @return {Promise<void>}
+   */
+  public async activateItem(tenantId: number, itemId: number): Promise<void> {
+    const { Item } = this.tenancy.models(tenantId);
+
+    // Retreives the given item or throw not found error.
+    const oldItem = await Item.query().findById(itemId).throwIfNotFound();
+
+    // Activate the given item with associated transactions under unit-of-work envirement.
+    return this.uow.withTransaction(tenantId, async (trx: Knex.Transaction) => {
+      // Mutate item on the storage.
+      await Item.query(trx).findById(itemId).patch({ active: true });
+
+      // Triggers `onItemActivated` event.
+      await this.eventPublisher.emitAsync(events.item.onActivated, {});
+    });
+  }
+}