Refactor admin module structure: moved services and controllers to providers and controllers directories, added PermissionService and PermissionController, updated Admin entity relationships, and created AdminRole entity.

src/modules/admin/providers/admin.service.ts

@@ -0,0 +1,48 @@
+import { Injectable } from '@nestjs/common';
+import { InjectRepository } from '@mikro-orm/nestjs';
+import { EntityRepository } from '@mikro-orm/core';
+import { Admin } from '../entities/admin.entity';
+import { Role } from '../entities/role.entity';
+import { Restaurant } from '../../restaurants/entities/restaurant.entity';
+import { EntityManager } from '@mikro-orm/postgresql';
+
+@Injectable()
+export class AdminService {
+  constructor(
+    @InjectRepository(Admin)
+    private readonly adminRepository: EntityRepository<Admin>,
+    private readonly em: EntityManager,
+  ) {}
+
+  async findByPhone(phone: string): Promise<Admin | null> {
+    return this.adminRepository.findOne({ phone });
+  }
+
+  async findById(id: string): Promise<Admin | null> {
+    return this.adminRepository.findOne({ id });
+  }
+  async findAll(): Promise<Admin[]> {
+    return this.adminRepository.findAll();
+  }
+
+  async create(data: { phone: string; firstName?: string; lastName?: string; roleId: string; restId: string }) {
+    const { phone, firstName, lastName, roleId, restId } = data;
+
+    // check existing
+    const existing = await this.adminRepository.findOne({ phone, restaurant: { id: restId } });
+    if (existing) {
+      return existing;
+    }
+
+    // load Role and Restaurant using the EntityManager
+    const role = await this.em.findOne(Role, { id: roleId });
+    if (!role) throw new Error('Role not found');
+
+    const restaurant = await this.em.findOne(Restaurant, { id: restId });
+    if (!restaurant) throw new Error('Restaurant not found');
+
+    const admin = this.adminRepository.create({ phone, firstName, lastName, role, restaurant });
+    await this.em.persistAndFlush(admin);
+    return admin;
+  }
+}