add: change implement enum and distribution

src/transaction/coa.service.ts

@@ -0,0 +1,29 @@
+import { HttpException, HttpStatus, Injectable } from '@nestjs/common';
+import { EntityNotFoundError, Repository } from 'typeorm';
+import { InjectRepository } from '@nestjs/typeorm';
+import { COA } from './entities/coa.entity';
+
+export class CoaService {
+  constructor(
+    @InjectRepository(COA)
+    private coaRepository: Repository<COA>,
+  ) {}
+
+  async findByUser(id: string) {
+    try {
+      return await this.coaRepository.findOneOrFail({ user: id });
+    } catch (e) {
+      if (e instanceof EntityNotFoundError) {
+        throw new HttpException(
+          {
+            statusCode: HttpStatus.NOT_FOUND,
+            error: 'Data not found',
+          },
+          HttpStatus.NOT_FOUND,
+        );
+      } else {
+        throw e;
+      }
+    }
+  }
+}