campaign-site/server/workers/donation-migration.ts

import { Worker } from 'bullmq'
import { redisConnection as connection } from '../../config/redis'
import { prisma } from '../services'
import { DonationCryptoPayments } from '../types'
import { log } from '../../utils/logging'
import { Prisma } from '@prisma/client'

const globalForWorker = global as unknown as { hasInitializedWorkers: boolean }

if (!globalForWorker.hasInitializedWorkers)
  new Worker(
    'DonationMigration',
    async (job) => {
      // Finds unmigrated donations and updates them
      log('info', '[Donation migration] Migrating old donations...')

      const donations = await prisma.donation.findMany({
        where: {
          btcPayInvoiceId: { not: null },
          cryptoPayments: { equals: Prisma.DbNull },
        },
      })

      if (!donations.length) return

      await Promise.all(
        donations.map(async (donation) => {
          const cryptoPayments: DonationCryptoPayments = [
            {
              cryptoCode: donation.cryptoCode as DonationCryptoPayments[0]['cryptoCode'],
              grossAmount: Number(donation.grossCryptoAmount!),
              netAmount: Number(donation.netCryptoAmount),
              rate: donation.grossFiatAmount / Number(donation.grossCryptoAmount),
            },
          ]

          await prisma.donation.update({
            where: { id: donation.id },
            data: {
              cryptoPayments,
              cryptoCode: null,
              grossCryptoAmount: null,
              netCryptoAmount: null,
            },
          })
        })
      )

      log('info', `[Donation migration] Successfully updated ${donations.length} records!!!!!!!!!!`)
    },
    { connection }
  )

if (process.env.NODE_ENV !== 'production') globalForWorker.hasInitializedWorkers = true