transform core api codes into this project, update modules as admin/pos context modules

src/modules/admin/users/users.service.ts

@@ -0,0 +1,42 @@
+import { PrismaService } from '@/prisma/prisma.service'
+import { Injectable } from '@nestjs/common'
+import { ResponseMapper } from 'common/response/response-mapper'
+import { CreateUserDto, UpdateUserDto } from './dto/user.dto'
+
+@Injectable()
+export class AdminUsersService {
+  constructor(private readonly prisma: PrismaService) {}
+
+  async findAll() {
+    const [users, count] = await this.prisma.$transaction([
+      this.prisma.user.findMany(),
+      this.prisma.user.count(),
+    ])
+    return ResponseMapper.paginate(
+      users.map(user => ({ ...user, fullname: `${user.first_name} ${user.last_name}` })),
+      { count },
+    )
+  }
+
+  async findOne(id: string) {
+    const user = await this.prisma.user.findUnique({
+      where: { id },
+    })
+    return ResponseMapper.single({
+      ...user,
+      fullname: `${user?.first_name} ${user?.last_name}`,
+    })
+  }
+
+  async create(data: CreateUserDto) {
+    return this.prisma.user.create({ data })
+  }
+
+  async update(id: string, data: UpdateUserDto) {
+    return this.prisma.user.update({ where: { id }, data: data as UpdateUserDto })
+  }
+
+  async delete(id: string) {
+    return this.prisma.user.delete({ where: { id } })
+  }
+}