refactor: mail templates

packages/server/src/modules/PaymentReceived/queries/GetPaymentReceivedMailTemplate.service.ts

@@ -0,0 +1,62 @@
+import {
+  PaymentReceivedEmailTemplateProps,
+  renderPaymentReceivedEmailTemplate,
+} from '@bigcapital/email-components';
+import { Injectable } from '@nestjs/common';
+import { TransformerInjectable } from '@/modules/Transformer/TransformerInjectable.service';
+import { GetPdfTemplateService } from '@/modules/PdfTemplate/queries/GetPdfTemplate.service';
+import { GetPaymentReceivedService } from './GetPaymentReceived.service';
+import { GetPaymentReceivedMailTemplateAttrsTransformer } from './GetPaymentReceivedMailTemplateAttrs.transformer';
+
+@Injectable()
+export class GetPaymentReceivedMailTemplate {
+  constructor(
+    private readonly getPaymentReceivedService: GetPaymentReceivedService,
+    private readonly getBrandingTemplate: GetPdfTemplateService,
+    private readonly transformer: TransformerInjectable,
+  ) {}
+
+  /**
+   * Retrieves the mail template attributes of the given payment received.
+   * @param {number} paymentReceivedId - Payment received id.
+   * @returns {Promise<PaymentReceivedEmailTemplateProps>}
+   */
+  public async getMailTemplateAttributes(
+    paymentReceivedId: number,
+  ): Promise<PaymentReceivedEmailTemplateProps> {
+    const paymentReceived =
+      await this.getPaymentReceivedService.getPaymentReceive(paymentReceivedId);
+    const brandingTemplate = await this.getBrandingTemplate.getPdfTemplate(
+      paymentReceived.pdfTemplateId,
+    );
+    const mailTemplateAttributes = await this.transformer.transform(
+      paymentReceived,
+      new GetPaymentReceivedMailTemplateAttrsTransformer(),
+      {
+        paymentReceived,
+        brandingTemplate,
+      },
+    );
+    return mailTemplateAttributes;
+  }
+
+  /**
+   * Retrieves the mail template html content.
+   * @param {number} tenantId
+   * @param {number} paymentReceivedId
+   * @param {Partial<PaymentReceivedEmailTemplateProps>} overrideAttributes
+   * @returns
+   */
+  public async getMailTemplate(
+    paymentReceivedId: number,
+    overrideAttributes?: Partial<PaymentReceivedEmailTemplateProps>,
+  ): Promise<string> {
+    const mailTemplateAttributes =
+      await this.getMailTemplateAttributes(paymentReceivedId);
+    const mergedAttributes = {
+      ...mailTemplateAttributes,
+      ...overrideAttributes,
+    };
+    return renderPaymentReceivedEmailTemplate(mergedAttributes);
+  }
+}