feat(server): wip sale invoice tax rates

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

@@ -75,6 +75,8 @@ export class CommandSaleInvoiceDTOTransformer {
       ...entry,
     }));
     const entries = await composeAsync(
+      // Associate tax rate id from tax code to entries.
+      this.taxDTOTransformer.assocTaxRateIdFromCodeToEntries(tenantId),
       // Sets default cost and sell account to invoice items entries.
       this.itemsEntriesService.setItemsEntriesDefaultAccounts(tenantId)
     )(initialEntries);

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

@@ -33,7 +33,8 @@ export class GetSaleInvoice {
       .findById(saleInvoiceId)
       .withGraphFetched('entries.item')
       .withGraphFetched('customer')
-      .withGraphFetched('branch');
+      .withGraphFetched('branch')
+      .withGraphFetched('taxes.taxRate');
 
     // Validates the given sale invoice existance.
     this.validators.validateInvoiceExistance(saleInvoice);

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

@@ -0,0 +1,46 @@
+import { Transformer } from '@/lib/Transformer/Transformer';
+
+export class SaleInvoiceTaxEntryTransformer extends Transformer {
+  /**
+   * Included attributes.
+   * @returns {Array}
+   */
+  public includeAttributes = (): string[] => {
+    return ['name', 'taxRateCode', 'raxRate', 'taxRateId'];
+  };
+
+  /**
+   * Exclude attributes.
+   * @returns {string[]}
+   */
+  public excludeAttributes = (): string[] => {
+    return ['*'];
+  };
+
+  /**
+   *  Retrieve  tax rate code.
+   * @param taxEntry
+   * @returns {string}
+   */
+  protected taxRateCode = (taxEntry) => {
+    return taxEntry.taxRate.code;
+  };
+
+  /**
+   * Retrieve tax rate id.
+   * @param taxEntry
+   * @returns {number}
+   */
+  protected raxRate = (taxEntry) => {
+    return taxEntry.taxAmount || taxEntry.taxRate.rate;
+  };
+
+  /**
+   * Retrieve tax rate name.
+   * @param taxEntry
+   * @returns {string}
+   */
+  protected name = (taxEntry) => {
+    return taxEntry.taxRate.name;
+  };
+}

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

@@ -1,5 +1,6 @@
 import { Transformer } from '@/lib/Transformer/Transformer';
 import { formatNumber } from 'utils';
+import { SaleInvoiceTaxEntryTransformer } from './SaleInvoiceTaxEntryTransformer';
 
 export class SaleInvoiceTransformer extends Transformer {
   /**
@@ -15,6 +16,7 @@ export class SaleInvoiceTransformer extends Transformer {
       'formattedPaymentAmount',
       'formattedBalanceAmount',
       'formattedExchangeRate',
+      'taxes',
     ];
   };
 
@@ -88,4 +90,12 @@ export class SaleInvoiceTransformer extends Transformer {
   protected formattedExchangeRate = (invoice): string => {
     return formatNumber(invoice.exchangeRate, { money: false });
   };
+
+  /**
+   * Retrieve the taxes lines of sale invoice.
+   * @param {ISaleInvoice} invoice
+   */
+  protected taxes = (invoice) => {
+    return this.item(invoice.taxes, new SaleInvoiceTaxEntryTransformer());
+  };
 }