feat(nestjs): migrate to NestJS

packages/server/src/modules/Accounts/GetAccounts.service.ts

@@ -0,0 +1,69 @@
+import { Inject, Injectable } from '@nestjs/common';
+import * as R from 'ramda';
+import { IAccountsFilter } from './Accounts.types';
+import { DynamicListService } from '../DynamicListing/DynamicList.service';
+import { AccountTransformer } from './Account.transformer';
+import { TransformerInjectable } from '../Transformer/TransformerInjectable.service';
+import { Account } from './models/Account.model';
+import { AccountRepository } from './repositories/Account.repository';
+import { IFilterMeta } from '@/interfaces/Model';
+import { TenantModelProxy } from '../System/models/TenantBaseModel';
+
+@Injectable()
+export class GetAccountsService {
+  constructor(
+    private readonly dynamicListService: DynamicListService,
+    private readonly transformerService: TransformerInjectable,
+    private readonly accountRepository: AccountRepository,
+
+    @Inject(Account.name)
+    private readonly accountModel: TenantModelProxy<typeof Account>,
+  ) {}
+
+  /**
+   * Retrieve accounts datatable list.
+   * @param {IAccountsFilter} accountsFilter
+   * @returns {Promise<{ accounts: IAccountResponse[]; filterMeta: IFilterMeta }>}
+   */
+  public async getAccountsList(
+    filterDTO: IAccountsFilter,
+  ): Promise<{ accounts: Account[]; filterMeta: IFilterMeta }> {
+    // Parses the stringified filter roles.
+    const filter = this.parseListFilterDTO(filterDTO);
+
+    // Dynamic list service.
+    const dynamicList = await this.dynamicListService.dynamicList(
+      this.accountModel(),
+      filter,
+    );
+    // Retrieve accounts model based on the given query.
+    const accounts = await this.accountModel()
+      .query()
+      .onBuild((builder) => {
+        dynamicList.buildQuery()(builder);
+        builder.modify('inactiveMode', filter.inactiveMode);
+      });
+    const accountsGraph = await this.accountRepository.getDependencyGraph();
+
+    // Retrieves the transformed accounts collection.
+    const transformedAccounts = await this.transformerService.transform(
+      accounts,
+      new AccountTransformer(),
+      { accountsGraph, structure: filterDTO.structure },
+    );
+
+    return {
+      accounts: transformedAccounts,
+      filterMeta: dynamicList.getResponseMeta(),
+    };
+  }
+
+  /**
+   * Parsees accounts list filter DTO.
+   * @param filterDTO
+   * @returns
+   */
+  private parseListFilterDTO(filterDTO) {
+    return R.compose(this.dynamicListService.parseStringifiedFilter)(filterDTO);
+  }
+}