feat: hook up branding templates to invoices

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

@@ -19,6 +19,7 @@ import { formatDateFields } from 'utils';
 import { ItemEntriesTaxTransactions } from '@/services/TaxRates/ItemEntriesTaxTransactions';
 import { assocItemEntriesDefaultIndex } from '@/services/Items/utils';
 import { ItemEntry } from '@/models';
+import { BrandingTemplateDTOTransformer } from '@/services/PdfTemplate/BrandingTemplateDTOTransformer';
 
 @Service()
 export class CommandSaleInvoiceDTOTransformer {
@@ -40,6 +41,9 @@ export class CommandSaleInvoiceDTOTransformer {
   @Inject()
   private taxDTOTransformer: ItemEntriesTaxTransactions;
 
+  @Inject()
+  private brandingTemplatesTransformer: BrandingTemplateDTOTransformer;
+
   /**
    * Transformes the create DTO to invoice object model.
    * @param {ISaleInvoiceCreateDTO} saleInvoiceDTO - Sale invoice DTO.
@@ -113,11 +117,19 @@ export class CommandSaleInvoiceDTOTransformer {
       userId: authorizedUser.id,
     } as ISaleInvoice;
 
+    const initialAsyncDTO = await composeAsync(
+      // Assigns the default branding template id to the invoice DTO.
+      this.brandingTemplatesTransformer.assocDefaultBrandingTemplate(
+        tenantId,
+        'SaleInvoice'
+      )
+    )(initialDTO);
+
     return R.compose(
       this.taxDTOTransformer.assocTaxAmountWithheldFromEntries,
       this.branchDTOTransform.transformDTO<ISaleInvoice>(tenantId),
       this.warehouseDTOTransform.transformDTO<ISaleInvoice>(tenantId)
-    )(initialDTO);
+    )(initialAsyncDTO);
   }
 
   /**

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),
+    };
   }
 }

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

@@ -0,0 +1,31 @@
+import { Inject, Service } from 'typedi';
+import { mergePdfTemplateWithDefaultAttributes } from './utils';
+import { GetPdfTemplate } from '@/services/PdfTemplate/GetPdfTemplate';
+import { defaultInvoicePdfTemplateAttributes } from './constants';
+
+@Service()
+export class SaleInvoicePdfTemplate {
+  @Inject()
+  private getPdfTemplateService: GetPdfTemplate;
+
+  /**
+   * Retrieves the invoice pdf template.
+   * @param {number} tenantId 
+   * @param {number} invoiceTemplateId 
+   * @returns 
+   */
+  async getInvoicePdfTemplate(tenantId: number, invoiceTemplateId: number){
+    const template = await this.getPdfTemplateService.getPdfTemplate(
+      tenantId,
+      invoiceTemplateId
+    );
+    const attributes = mergePdfTemplateWithDefaultAttributes(
+      template.attributes,
+      defaultInvoicePdfTemplateAttributes
+    );
+    return {
+      ...template,
+      attributes,
+    };
+  }
+}

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

@@ -158,3 +158,88 @@ export const SaleInvoicesSampleData = [
     Description: 'Description',
   },
 ];
+
+export const defaultInvoicePdfTemplateAttributes =  {
+  primaryColor: 'red',
+  secondaryColor: 'red',
+
+  companyName: 'Bigcapital Technology, Inc.',
+
+  showCompanyLogo: true,
+  companyLogo: '',
+
+  dueDateLabel: 'Date due',
+  showDueDate: true,
+
+  dateIssueLabel: 'Date of issue',
+  showDateIssue: true,
+
+  // dateIssue,
+  invoiceNumberLabel: 'Invoice number',
+  showInvoiceNumber: true,
+
+  // Address
+  showBillingToAddress: true,
+  showBilledFromAddress: true,
+  billedToLabel: 'Billed To',
+
+  // Entries
+  lineItemLabel: 'Item',
+  lineDescriptionLabel: 'Description',
+  lineRateLabel: 'Rate',
+  lineTotalLabel: 'Total',
+
+  totalLabel: 'Total',
+  subtotalLabel: 'Subtotal',
+  discountLabel: 'Discount',
+  paymentMadeLabel: 'Payment Made',
+  balanceDueLabel: 'Balance Due',
+
+  // Totals
+  showTotal: true,
+  showSubtotal: true,
+  showDiscount: true,
+  showTaxes: true,
+  showPaymentMade: true,
+  showDueAmount: true,
+  showBalanceDue: true,
+
+  discount: '0.00',
+
+  // Footer paragraphs.
+  termsConditionsLabel: 'Terms & Conditions',
+  showTermsConditions: true,
+
+  lines: [
+    {
+      item: 'Simply dummy text',
+      description: 'Simply dummy text of the printing and typesetting',
+      rate: '1',
+      quantity: '1000',
+      total: '$1000.00',
+    },
+  ],
+  taxes: [
+    { label: 'Sample Tax1 (4.70%)', amount: '11.75' },
+    { label: 'Sample Tax2 (7.00%)', amount: '21.74' },
+  ],
+
+  statementLabel: 'Statement',
+  showStatement: true,
+  billedToAddress: [
+    'Bigcapital Technology, Inc.',
+    '131 Continental Dr Suite 305 Newark,',
+    'Delaware 19713',
+    'United States',
+    '+1 762-339-5634',
+    'ahmed@bigcapital.app',
+  ],
+  billedFromAddres: [
+    '131 Continental Dr Suite 305 Newark,',
+    'Delaware 19713',
+    'United States',
+    '+1 762-339-5634',
+    'ahmed@bigcapital.app',
+  ],
+}
+

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

@@ -0,0 +1,43 @@
+import { pickBy } from 'lodash';
+import { InvoicePdfTemplateAttributes, ISaleInvoice } from '@/interfaces';
+
+export const mergePdfTemplateWithDefaultAttributes = (
+  brandingTemplate?: Record<string, any>,
+  defaultAttributes: Record<string, any> = {}
+) => {
+  const brandingAttributes = pickBy(
+    brandingTemplate,
+    (val, key) => val !== null && Object.keys(defaultAttributes).includes(key)
+  );
+
+  return {
+    ...defaultAttributes,
+    ...brandingAttributes,
+  };
+};
+
+export const transformInvoiceToPdfTemplate = (
+  invoice: ISaleInvoice
+): Partial<InvoicePdfTemplateAttributes> => {
+  return {
+    dueDate: invoice.dueDateFormatted,
+    dateIssue: invoice.invoiceDateFormatted,
+    invoiceNumber: invoice.invoiceNo,
+
+    total: invoice.totalFormatted,
+    subtotal: invoice.subtotalFormatted,
+    paymentMade: invoice.paymentAmountFormatted,
+    balanceDue: invoice.balanceAmountFormatted,
+
+    termsConditions: invoice.termsConditions,
+    statement: invoice.invoiceMessage,
+
+    lines: invoice.entries.map((entry) => ({
+      item: entry.item.name,
+      description: entry.description,
+      rate: entry.rateFormatted,
+      quantity: entry.quantityFormatted,
+      total: entry.totalFormatted,
+    })),
+  };
+};