refactor: split the services to multiple service classes (#202)

packages/server/src/services/Sales/PaymentReceives/PaymentReceiveDTOTransformer.ts

@@ -0,0 +1,69 @@
+import * as R from 'ramda';
+import { Inject, Service } from 'typedi';
+import { omit, sumBy } from 'lodash';
+import {
+  ICustomer,
+  IPaymentReceive,
+  IPaymentReceiveCreateDTO,
+  IPaymentReceiveEditDTO,
+} from '@/interfaces';
+import { PaymentReceiveValidators } from './PaymentReceiveValidators';
+import { PaymentReceiveIncrement } from './PaymentReceiveIncrement';
+import { BranchTransactionDTOTransform } from '@/services/Branches/Integrations/BranchTransactionDTOTransform';
+import { formatDateFields } from '@/utils';
+
+@Service()
+export class PaymentReceiveDTOTransformer {
+  @Inject()
+  private validators: PaymentReceiveValidators;
+
+  @Inject()
+  private increments: PaymentReceiveIncrement;
+
+  @Inject()
+  private branchDTOTransform: BranchTransactionDTOTransform;
+
+  /**
+   * Transformes the create payment receive DTO to model object.
+   * @param {number} tenantId
+   * @param {IPaymentReceiveCreateDTO|IPaymentReceiveEditDTO} paymentReceiveDTO - Payment receive DTO.
+   * @param {IPaymentReceive} oldPaymentReceive -
+   * @return {IPaymentReceive}
+   */
+  public async transformPaymentReceiveDTOToModel(
+    tenantId: number,
+    customer: ICustomer,
+    paymentReceiveDTO: IPaymentReceiveCreateDTO | IPaymentReceiveEditDTO,
+    oldPaymentReceive?: IPaymentReceive
+  ): Promise<IPaymentReceive> {
+    const paymentAmount = sumBy(paymentReceiveDTO.entries, 'paymentAmount');
+
+    // Retreive the next invoice number.
+    const autoNextNumber =
+      this.increments.getNextPaymentReceiveNumber(tenantId);
+
+    // Retrieve the next payment receive number.
+    const paymentReceiveNo =
+      paymentReceiveDTO.paymentReceiveNo ||
+      oldPaymentReceive?.paymentReceiveNo ||
+      autoNextNumber;
+
+    this.validators.validatePaymentNoRequire(paymentReceiveNo);
+
+    const initialDTO = {
+      ...formatDateFields(omit(paymentReceiveDTO, ['entries']), [
+        'paymentDate',
+      ]),
+      amount: paymentAmount,
+      currencyCode: customer.currencyCode,
+      ...(paymentReceiveNo ? { paymentReceiveNo } : {}),
+      exchangeRate: paymentReceiveDTO.exchangeRate || 1,
+      entries: paymentReceiveDTO.entries.map((entry) => ({
+        ...entry,
+      })),
+    };
+    return R.compose(
+      this.branchDTOTransform.transformDTO<IPaymentReceive>(tenantId)
+    )(initialDTO);
+  }
+}