refactor: banking services to Nestjs

packages/server-nest/src/modules/BankRules/queries/GetBankRules.service.ts

@@ -0,0 +1,30 @@
+import { Inject, Injectable } from '@nestjs/common';
+import { GetBankRulesTransformer } from './GetBankRulesTransformer';
+import { BankRule } from '../models/BankRule';
+import { TransformerInjectable } from '@/modules/Transformer/TransformerInjectable.service';
+
+@Injectable()
+export class GetBankRulesService {
+  constructor(
+    private transformer: TransformerInjectable,
+
+    @Inject(BankRule.name)
+    private bankRuleModel: typeof BankRule,
+  ) {}
+
+  /**
+   * Retrieves the bank rules of the given account.
+   * @returns {Promise<any>}
+   */
+  public async getBankRules(): Promise<any> {
+    const bankRule = await this.bankRuleModel
+      .query()
+      .withGraphFetched('conditions')
+      .withGraphFetched('assignAccount');
+
+    return this.transformer.transform(
+      bankRule,
+      new GetBankRulesTransformer()
+    );
+  }
+}