feat(server): wip tax rate on sale invoice service

packages/server/src/interfaces/Item.ts

@@ -54,6 +54,14 @@ export interface IItemDTO {
   sellDescription: string;
   purchaseDescription: string;
 
+  // Used as an override if the default Tax Code for the selected `costAccountId` is not correct
+  purchaseTaxCode: string;
+  purchaseTaxId: string;
+
+  // Used as an override if the default Tax Code for the selected `sellAccountId` is not correct
+  saleTaxCode: string;
+  saleTaxId: string;
+
   quantityOnHand: number;
 
   note: string;

packages/server/src/interfaces/ItemEntry.ts

@@ -34,6 +34,7 @@ export interface IItemEntry {
 
   taxCode: string;
   taxRate: number;
+  taxAmount: number;
 
   item?: IItem;
 

packages/server/src/interfaces/SaleEstimate.ts

@@ -1,5 +1,5 @@
 import { Knex } from 'knex';
-import { IItemEntry } from './ItemEntry';
+import { IItemEntry, IItemEntryDTO } from './ItemEntry';
 import { IDynamicListFilterDTO } from '@/interfaces/DynamicFilter';
 
 export interface ISaleEstimate {
@@ -29,7 +29,7 @@ export interface ISaleEstimateDTO {
   estimateDate?: Date;
   reference?: string;
   estimateNumber?: string;
-  entries: IItemEntry[];
+  entries: IItemEntryDTO[];
   note: string;
   termsConditions: string;
   sendToEmail: string;

packages/server/src/interfaces/SaleInvoice.ts

@@ -1,5 +1,5 @@
 import { Knex } from 'knex';
-import { ISystemUser, IAccount } from '@/interfaces';
+import { ISystemUser, IAccount, ITaxTransaction } from '@/interfaces';
 import { IDynamicListFilter } from '@/interfaces/DynamicFilter';
 import { IItemEntry, IItemEntryDTO } from './ItemEntry';
 
@@ -33,6 +33,9 @@ export interface ISaleInvoice {
   writtenoffExpenseAccountId?: number;
 
   writtenoffExpenseAccount?: IAccount;
+
+  taxAmountWithheld: number;
+  taxes: ITaxTransaction[]
 }
 
 export interface ISaleInvoiceDTO {

packages/server/src/interfaces/TaxRate.ts

@@ -47,3 +47,10 @@ export interface ITaxRateDeletedPayload {
   tenantId: number;
   trx: Knex.Transaction;
 }
+
+
+export interface ITaxTransaction {
+  taxAmount: number;
+  taxName: string;
+  taxCode: string;
+}