feat(nestjs): migrate to NestJS

packages/server/src/modules/PdfTemplate/queries/GetPdfTemplate.service.ts

@@ -0,0 +1,37 @@
+import { Inject, Injectable } from '@nestjs/common';
+import { Knex } from 'knex';
+import { GetPdfTemplateTransformer } from './GetPdfTemplate.transformer';
+import { PdfTemplateModel } from '../models/PdfTemplate';
+import { TransformerInjectable } from '../../Transformer/TransformerInjectable.service';
+import { TenantModelProxy } from '@/modules/System/models/TenantBaseModel';
+
+@Injectable()
+export class GetPdfTemplateService {
+  constructor(
+    @Inject(PdfTemplateModel.name)
+    private readonly pdfTemplateModel: TenantModelProxy<
+      typeof PdfTemplateModel
+    >,
+    private readonly transformer: TransformerInjectable,
+  ) {}
+
+  /**
+   * Retrieves a pdf template by its ID.
+   * @param {number} templateId - The ID of the pdf template to retrieve.
+   * @return {Promise<any>} - The retrieved pdf template.
+   */
+  async getPdfTemplate(
+    templateId: number,
+    trx?: Knex.Transaction,
+  ): Promise<any> {
+    const template = await this.pdfTemplateModel()
+      .query(trx)
+      .findById(templateId)
+      .throwIfNotFound();
+
+    return this.transformer.transform(
+      template,
+      new GetPdfTemplateTransformer(),
+    );
+  }
+}