feat(nestjs): migrate to NestJS

packages/server/src/modules/Import/ImportFileProcessCommit.ts

@@ -0,0 +1,48 @@
+import { ImportFilePreviewPOJO } from './interfaces';
+import { ImportFileProcess } from './ImportFileProcess';
+import { ImportAls } from './ImportALS';
+import { Injectable } from '@nestjs/common';
+import { EventEmitter2 } from '@nestjs/event-emitter';
+import { events } from '@/common/events/events';
+
+@Injectable()
+export class ImportFileProcessCommit {
+  constructor(
+    private readonly importFile: ImportFileProcess,
+    private readonly importAls: ImportAls,
+    private readonly eventEmitter: EventEmitter2,
+  ) {}
+
+  /**
+   * Commits the imported file under ALS.
+   * @param {string} importId - The import ID.
+   * @returns {Promise<ImportFilePreviewPOJO>}
+   */
+  public commit(importId: string): Promise<ImportFilePreviewPOJO> {
+    return this.importAls.runCommit<Promise<ImportFilePreviewPOJO>>(() =>
+      this.commitAlsRun(importId),
+    );
+  }
+
+  /**
+   * Commits the imported file.
+   * @param {number} importId - The import ID.
+   * @returns {Promise<ImportFilePreviewPOJO>}
+   */
+  public async commitAlsRun(importId: string): Promise<ImportFilePreviewPOJO> {
+    const trx = await knex.transaction({ isolationLevel: 'read uncommitted' });
+
+    const meta = await this.importFile.import(importId, trx);
+
+    // Commit the successed transaction.
+    await trx.commit();
+
+    // Triggers `onImportFileCommitted` event.
+    await this.eventEmitter.emitAsync(events.import.onImportCommitted, {
+      meta,
+      importId,
+    } as IImportFileCommitedEventPayload);
+
+    return meta;
+  }
+}