feat: hook up branding templates to invoices

packages/server/src/services/Sales/Invoices/SaleInvoicePdf.ts

@@ -2,9 +2,16 @@ import { Inject, Service } from 'typedi';
 import { ChromiumlyTenancy } from '@/services/ChromiumlyTenancy/ChromiumlyTenancy';
 import { TemplateInjectable } from '@/services/TemplateInjectable/TemplateInjectable';
 import { GetSaleInvoice } from './GetSaleInvoice';
+import HasTenancyService from '@/services/Tenancy/TenancyService';
+import { transformInvoiceToPdfTemplate } from './utils';
+import { InvoicePdfTemplateAttributes } from '@/interfaces';
+import { SaleInvoicePdfTemplate } from './SaleInvoicePdfTemplate';
 
 @Service()
 export class SaleInvoicePdf {
+  @Inject()
+  private tenancy: HasTenancyService;
+
   @Inject()
   private chromiumlyTenancy: ChromiumlyTenancy;
 
@@ -14,6 +21,9 @@ export class SaleInvoicePdf {
   @Inject()
   private getInvoiceService: GetSaleInvoice;
 
+  @Inject()
+  private invoiceBrandingTemplateService: SaleInvoicePdfTemplate;
+
   /**
    * Retrieve sale invoice pdf content.
    * @param {number} tenantId - Tenant Id.
@@ -24,19 +34,54 @@ export class SaleInvoicePdf {
     tenantId: number,
     invoiceId: number
   ): Promise<Buffer> {
-    const saleInvoice = await this.getInvoiceService.getSaleInvoice(
+    const brandingAttributes = await this.getInvoiceBrandingAttributes(
       tenantId,
       invoiceId
     );
     const htmlContent = await this.templateInjectable.render(
       tenantId,
-      'modules/invoice-regular',
-      {
-        saleInvoice,
-      }
+      'modules/invoice-standard',
+      brandingAttributes
     );
-    return this.chromiumlyTenancy.convertHtmlContent(tenantId, htmlContent, {
-      margins: { top: 0, bottom: 0, left: 0, right: 0 },
-    });
+    // Converts the given html content to pdf document.
+    return this.chromiumlyTenancy.convertHtmlContent(tenantId, htmlContent);
+  }
+
+  /**
+   * Retrieves the branding attributes of the given sale invoice.
+   * @param {number} tenantId
+   * @param {number} invoiceId
+   * @returns {Promise<InvoicePdfTemplateAttributes>}
+   */
+  async getInvoiceBrandingAttributes(
+    tenantId: number,
+    invoiceId: number
+  ): Promise<InvoicePdfTemplateAttributes> {
+    const { PdfTemplate } = this.tenancy.models(tenantId);
+
+    const invoice = await this.getInvoiceService.getSaleInvoice(
+      tenantId,
+      invoiceId
+    );
+    // Retrieve the invoice template id of not found get the default template id.
+    const templateId =
+      invoice.pdfTemplateId ??
+      (
+        await PdfTemplate.query().findOne({
+          resource: 'SaleInvoice',
+          default: true,
+        })
+      )?.id;
+    //  Getting the branding template attributes.
+    const brandingTemplate =
+      await this.invoiceBrandingTemplateService.getInvoicePdfTemplate(
+        tenantId,
+        templateId
+      );
+    // Merge the branding template attributes with the invoice.
+    return {
+      ...brandingTemplate.attributes,
+      ...transformInvoiceToPdfTemplate(invoice),
+    };
   }
 }