refactor(nestjs): landed cost

packages/server/src/modules/BillLandedCosts/commands/LandedCostSyncCostTransactions.service.ts

@@ -0,0 +1,73 @@
+import { Knex } from 'knex';
+import { CONFIG } from '../utils';
+import { Injectable } from '@nestjs/common';
+import { TransactionLandedCost } from './TransctionLandedCost.service';
+
+@Injectable()
+export class LandedCostSyncCostTransactions {
+  constructor(
+    private readonly transactionLandedCost: TransactionLandedCost,
+  ) {}
+
+  /**
+   * Allocate the landed cost amount to cost transactions.
+   * @param {number} tenantId -
+   * @param {string} transactionType
+   * @param {number} transactionId
+   */
+  public incrementLandedCostAmount = async (
+    transactionType: string,
+    transactionId: number,
+    transactionEntryId: number,
+    amount: number,
+    trx?: Knex.Transaction
+  ): Promise<void> => {
+    const Model = this.transactionLandedCost.getModel(
+      transactionType
+    );
+    const relation = CONFIG.COST_TYPES[transactionType].entries;
+
+    // Increment the landed cost transaction amount.
+    await Model.query(trx)
+      .where('id', transactionId)
+      .increment('allocatedCostAmount', amount);
+
+    // Increment the landed cost entry.
+    await Model.relatedQuery(relation, trx)
+      .for(transactionId)
+      .where('id', transactionEntryId)
+      .increment('allocatedCostAmount', amount);
+  };
+
+  /**
+   * Reverts the landed cost amount to cost transaction.
+   * @param {number} tenantId - Tenant id.
+   * @param {string} transactionType - Transaction type.
+   * @param {number} transactionId - Transaction id.
+   * @param {number} transactionEntryId - Transaction entry id.
+   * @param {number} amount - Amount
+   */
+  public revertLandedCostAmount = async (
+    transactionType: string,
+    transactionId: number,
+    transactionEntryId: number,
+    amount: number,
+    trx?: Knex.Transaction
+  ) => {
+    const Model = this.transactionLandedCost.getModel(
+      transactionType
+    );
+    const relation = CONFIG.COST_TYPES[transactionType].entries;
+
+    // Decrement the allocate cost amount of cost transaction.
+    await Model.query(trx)
+      .where('id', transactionId)
+      .decrement('allocatedCostAmount', amount);
+
+    // Decrement the allocated cost amount cost transaction entry.
+    await Model.relatedQuery(relation, trx)
+      .for(transactionId)
+      .where('id', transactionEntryId)
+      .decrement('allocatedCostAmount', amount);
+  };
+}