feat(nestjs): migrate to NestJS

packages/server/src/modules/BillLandedCosts/TransactionLandedCostEntries.service.ts

@@ -0,0 +1,75 @@
+import { Injectable } from '@nestjs/common';
+import { ServiceError } from '../Items/ServiceError';
+import { transformToMap } from '@/utils/transform-to-key';
+import { ICommonLandedCostEntry, ICommonLandedCostEntryDTO } from './types/BillLandedCosts.types';
+
+const ERRORS = {
+  ENTRIES_ALLOCATED_COST_COULD_NOT_DELETED:
+    'ENTRIES_ALLOCATED_COST_COULD_NOT_DELETED',
+  LOCATED_COST_ENTRIES_SHOULD_BIGGE_THAN_NEW_ENTRIES:
+    'LOCATED_COST_ENTRIES_SHOULD_BIGGE_THAN_NEW_ENTRIES',
+};
+
+@Injectable()
+export class TransactionLandedCostEntriesService {
+  /**
+   * Validates bill entries that has allocated landed cost amount not deleted.
+   * @param {ICommonLandedCostEntry[]} oldCommonEntries -
+   * @param {ICommonLandedCostEntryDTO[]} newBillEntries -
+   */
+  public getLandedCostEntriesDeleted(
+    oldCommonEntries: ICommonLandedCostEntry[],
+    newCommonEntriesDTO: ICommonLandedCostEntryDTO[]
+  ): ICommonLandedCostEntry[] {
+    const newBillEntriesById = transformToMap(newCommonEntriesDTO, 'id');
+
+    return oldCommonEntries.filter((entry) => {
+      const newEntry = newBillEntriesById.get(entry.id);
+
+      if (entry.allocatedCostAmount > 0 && typeof newEntry === 'undefined') {
+        return true;
+      }
+      return false;
+    });
+  }
+
+  /**
+   * Validates the bill entries that have located cost amount should not be deleted.
+   * @param {ICommonLandedCostEntry[]} oldCommonEntries - Old bill entries.
+   * @param {ICommonLandedCostEntryDTO[]} newBillEntries - New DTO bill entries.
+   */
+  public validateLandedCostEntriesNotDeleted(
+    oldCommonEntries: ICommonLandedCostEntry[],
+    newCommonEntriesDTO: ICommonLandedCostEntryDTO[]
+  ): void {
+    const entriesDeleted = this.getLandedCostEntriesDeleted(
+      oldCommonEntries,
+      newCommonEntriesDTO
+    );
+    if (entriesDeleted.length > 0) {
+      throw new ServiceError(ERRORS.ENTRIES_ALLOCATED_COST_COULD_NOT_DELETED);
+    }
+  }
+
+  /**
+   * Validate allocated cost amount entries should be smaller than new entries amount.
+   * @param {ICommonLandedCostEntry[]} oldCommonEntries - Old bill entries.
+   * @param {ICommonLandedCostEntryDTO[]} newBillEntries - New DTO bill entries.
+   */
+  public validateLocatedCostEntriesSmallerThanNewEntries(
+    oldCommonEntries: ICommonLandedCostEntry[],
+    newCommonEntriesDTO: ICommonLandedCostEntryDTO[]
+  ): void {
+    const oldBillEntriesById = transformToMap(oldCommonEntries, 'id');
+
+    newCommonEntriesDTO.forEach((entry) => {
+      const oldEntry = oldBillEntriesById.get(entry.id);
+
+      if (oldEntry && oldEntry.allocatedCostAmount > entry.amount) {
+        throw new ServiceError(
+          ERRORS.LOCATED_COST_ENTRIES_SHOULD_BIGGE_THAN_NEW_ENTRIES
+        );
+      }
+    });
+  }
+}