psp_api/src/modules/admin/partners/partners.service.ts

import { PrismaService } from '@/prisma/prisma.service'
import { Injectable } from '@nestjs/common'
import { ResponseMapper } from 'common/response/response-mapper'
import { CreatePartnerDto, UpdatePartnerDto } from './dto/partner.dto'

@Injectable()
export class PartnersService {
  constructor(private readonly prisma: PrismaService) {}

  async findAll() {
    // const partners = await this.prisma.$transaction(async tx => {
    //   const partners = await this.prisma.partner.findMany().then()
    //   const preparedPartners = await partners.map(async partner => {
    //     const relatedLicenseCount = await this.prisma.license.count({
    //       where: {
    //         partner_id: partner.id,
    //       },
    //     })

    //     return {
    //       ...partner,
    //       remained_license: Math.min((partner?.licenseQuota, 0) - relatedLicenseCount, 0),
    //     }
    //   })
    //   console.log(preparedPartners)
    const partners = await this.prisma.partner.findMany()

    return ResponseMapper.list(partners)
  }

  async findOne(id: string) {
    const [partner, relatedLicenseCount] = await this.prisma.$transaction([
      this.prisma.partner.findUnique({
        where: { id },
      }),
      this.prisma.license.count({
        where: {
          partner_id: id,
        },
      }),
    ])
    return ResponseMapper.single({
      ...partner,
      remained_license: Math.min((partner?.license_quota, 0) - relatedLicenseCount, 0),
    })
  }

  async create(data: CreatePartnerDto) {
    const partner = await this.prisma.partner.create({ data })
    return ResponseMapper.create(partner)
  }

  async update(id: string, data: UpdatePartnerDto) {
    const partner = await this.prisma.partner.update({ where: { id }, data })
    return ResponseMapper.update(partner)
  }

  async delete(id: string) {
    await this.prisma.partner.delete({ where: { id } })
    return ResponseMapper.delete()
  }
}