Snap.photo

$ tree --source-code
├── app/
│   ├── (auth)/
│   │   ├── login/
│   │   └── register/
│   ├── (dashboard)/
│   │   ├── gallery/
│   │   ├── tunes/
│   │   └── settings/
│   ├── api/
│   │   ├── generate/
│   │   ├── webhook/
│   │   └── stripe/
│   └── layout.tsx
├── lib/
│   ├── supabase.ts
│   ├── generation.ts
│   └── drizzle/
│       └── schema.ts
├── drizzle.config.ts
└── package.json

import { createClient } from '@supabase/supabase-js'
import type { GenerationJob, StylePreset } from '@/types'

export async function queueGeneration(
  userId: string,
  tuneId: string,
  preset: StylePreset
): Promise<GenerationJob> {
  const credits = await db.query.credits.findFirst({
    where: eq(credits.userId, userId),
  })
  if (!credits || credits.remaining < 1) {
    throw new InsufficientCreditsError(userId)
  }
  const job = await generationQueue.add('generate', {
    tuneId, preset, userId,
  })
  await db.update(credits).set({ remaining: sql`remaining - 1` })
  return { jobId: job.id, status: 'queued' }
}