feat(nestjs): migrate to NestJS

packages/server/src/modules/CreditNotes/queries/GetCreditNotes.service.ts

@@ -0,0 +1,72 @@
+import * as R from 'ramda';
+import { TransformerInjectable } from '@/modules/Transformer/TransformerInjectable.service';
+import { DynamicListService } from '@/modules/DynamicListing/DynamicList.service';
+import {
+  GetCreditNotesResponse,
+  ICreditNotesQueryDTO,
+} from '../types/CreditNotes.types';
+import { CreditNote } from '../models/CreditNote';
+import { CreditNoteTransformer } from './CreditNoteTransformer';
+import { Inject } from '@nestjs/common';
+import { Injectable } from '@nestjs/common';
+import { TenantModelProxy } from '@/modules/System/models/TenantBaseModel';
+
+@Injectable()
+export class GetCreditNotesService {
+  constructor(
+    private readonly dynamicListService: DynamicListService,
+    private readonly transformer: TransformerInjectable,
+
+    @Inject(CreditNote.name)
+    private readonly creditNoteModel: TenantModelProxy<typeof CreditNote>,
+  ) {}
+
+  /**
+   * Parses the sale invoice list filter DTO.
+   * @param filterDTO
+   * @returns
+   */
+  private parseListFilterDTO = (filterDTO) => {
+    return R.compose(this.dynamicListService.parseStringifiedFilter)(filterDTO);
+  };
+
+  /**
+   * Retrieves the paginated and filterable credit notes list.
+   * @param {number} tenantId -
+   * @param {ICreditNotesQueryDTO} creditNotesQuery -
+   */
+  public async getCreditNotesList(
+    creditNotesQuery: ICreditNotesQueryDTO,
+  ): Promise<GetCreditNotesResponse> {
+    // Parses stringified filter roles.
+    const filter = this.parseListFilterDTO(creditNotesQuery);
+
+    // Dynamic list service.
+    const dynamicFilter = await this.dynamicListService.dynamicList(
+      this.creditNoteModel(),
+      filter,
+    );
+    const { results, pagination } = await this.creditNoteModel()
+      .query()
+      .onBuild((builder) => {
+        builder.withGraphFetched('entries.item');
+        builder.withGraphFetched('customer');
+
+        dynamicFilter.buildQuery()(builder);
+        creditNotesQuery?.filterQuery?.(builder as any);
+      })
+      .pagination(filter.page - 1, filter.pageSize);
+
+    // Transforomes the credit notes to POJO.
+    const creditNotes = await this.transformer.transform(
+      results,
+      new CreditNoteTransformer(),
+    );
+
+    return {
+      creditNotes,
+      pagination,
+      filterMeta: dynamicFilter.getResponseMeta(),
+    };
+  }
+}