feat: bulk transcations delete

packages/server/src/modules/Bills/BulkDeleteBills.service.ts

@@ -0,0 +1,28 @@
+import { Injectable } from '@nestjs/common';
+import { Knex } from 'knex';
+import { PromisePool } from '@supercharge/promise-pool';
+import { castArray, uniq } from 'lodash';
+import { DeleteBill } from './commands/DeleteBill.service';
+
+@Injectable()
+export class BulkDeleteBillsService {
+  constructor(private readonly deleteBillService: DeleteBill) { }
+
+  async bulkDeleteBills(
+    billIds: number | Array<number>,
+    trx?: Knex.Transaction,
+  ): Promise<void> {
+    const billsIds = uniq(castArray(billIds));
+
+    const results = await PromisePool.withConcurrency(1)
+      .for(billsIds)
+      .process(async (billId: number) => {
+        await this.deleteBillService.deleteBill(billId);
+      });
+
+    if (results.errors && results.errors.length > 0) {
+      throw results.errors[0].raw;
+    }
+  }
+}
+