chore: first commit

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

@@ -0,0 +1,88 @@
+import { EntityManager } from "@mikro-orm/postgresql";
+import { BadRequestException, Injectable } from "@nestjs/common";
+
+import { BusinessMessage } from "../../../common/enums/message.enum";
+import { UpdateBusinessSettingsDto } from "../DTO/update-business-settings.dto";
+import { BusinessStaff } from "../entities/business-staff.entity";
+import { BusinessRepository } from "../repositories/business.repository";
+
+@Injectable()
+export class BusinessesService {
+  constructor(
+    private readonly businessRepository: BusinessRepository,
+    private readonly em: EntityManager,
+  ) {}
+
+  async getBusinessByDanakSubscriptionId(danakSubscriptionId: string) {
+    const business = await this.businessRepository.findOne({ danakSubscriptionId, deletedAt: null });
+    if (!business) throw new BadRequestException(BusinessMessage.NOT_FOUND);
+
+    return business;
+  }
+  //************************************************** */
+
+  async getBusinessBySlug(slug: string) {
+    const business = await this.businessRepository.findOne({ slug, deletedAt: null });
+    if (!business) throw new BadRequestException(BusinessMessage.NOT_FOUND);
+
+    return { business };
+  }
+  //************************************************** */
+  async updateBusinessSettings(businessId: string, settingsDto: UpdateBusinessSettingsDto) {
+    const business = await this.businessRepository.findOne({ id: businessId, deletedAt: null });
+    if (!business) throw new BadRequestException(BusinessMessage.NOT_FOUND);
+
+    this.businessRepository.assign(business, settingsDto);
+    await this.em.flush();
+
+    return {
+      message: BusinessMessage.BUSINESS_SETTINGS_UPDATED,
+      business,
+    };
+  }
+  //************************************************** */
+
+  async getBusinessSettings(businessId: string) {
+    const business = await this.businessRepository.findOne({ id: businessId, deletedAt: null });
+    console.log("business", business);
+    if (!business) throw new BadRequestException(BusinessMessage.NOT_FOUND);
+
+    return { business };
+  }
+  //************************************************** */
+
+  async getBusinessById(id: string) {
+    const business = await this.businessRepository.findOne({ id, deletedAt: null });
+    if (!business) throw new BadRequestException(BusinessMessage.NOT_FOUND);
+
+    return business;
+  }
+
+  //************************************************** */
+
+  async findAdminWithLeastTickets() {
+    // First query to get the ID of the business staff with the least tickets
+    const result = await this.em.getConnection().execute(
+      `
+      SELECT bs.id 
+      FROM business_staff bs
+      WHERE bs.deleted_at IS NULL
+      ORDER BY (
+        SELECT COUNT(*) FROM ticket t WHERE t.assigned_to_id = bs.id
+      ) ASC
+      LIMIT 1
+      `,
+    );
+
+    if (result.length === 0) return null;
+
+    return this.em.findOne(BusinessStaff, { id: result[0].id });
+  }
+
+  /*******************************/
+  async findOneByIdWithEntityManager(staffId: string, em: EntityManager) {
+    const staff = await em.findOne(BusinessStaff, { id: staffId });
+    if (!staff) throw new BadRequestException(BusinessMessage.STAFF_NOT_FOUND);
+    return staff;
+  }
+}