psp_api/src/common/utils/tracking-code-generator.util.ts

import { randomBytes } from 'crypto'
import { PrismaErrorUtil } from './prisma-error.util'

export function generateTrackingCode(prefix: string, suffixLength: number) {
  const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
  const bytes = randomBytes(suffixLength)

  let suffix = ''
  for (let i = 0; i < suffixLength; i++) {
    suffix += chars[bytes[i] % chars.length]
  }

  return `${prefix}-${suffix}`
}

export function isTrackingCodeUniqueViolation(error: unknown) {
  if (!PrismaErrorUtil.isCode(error, 'P2002')) {
    return false
  }
  return PrismaErrorUtil.hasTarget(error, 'tracking_code')
}