chore: add business logic

src/modules/businesses/services/businesses.service.ts

@@ -0,0 +1,16 @@
+import { BadRequestException, Injectable } from "@nestjs/common";
+
+import { BusinessMessage } from "../../../common/enums/message.enum";
+import { BusinessRepository } from "../repositories/business.repository";
+
+@Injectable()
+export class BusinessService {
+  constructor(private readonly businessRepository: BusinessRepository) {}
+
+  async getBusinessByDanakSubscriptionId(danakSubscriptionId: string) {
+    const business = await this.businessRepository.findOne({ danakSubscriptionId, deletedAt: null });
+    if (!business) throw new BadRequestException(BusinessMessage.NOT_FOUND);
+
+    return business;
+  }
+}