aigen/server/api/studio-2/caption.post.ts

import { validateCaptionRequest } from '~/shared/studio2/caption.mjs'
import { saveRecord, readRecord } from '../../utils/studio2/store'
import { addStudioJob, kickStudioQueue, type StudioJobPayload } from '../../utils/studioQueue'
import { getStill } from '../../utils/library'

export default defineEventHandler(async (event) => {
  const { owner } = assertLibraryOwner(event)
  const raw = await readBody(event)
  let request: ReturnType<typeof validateCaptionRequest>
  try {
    request = validateCaptionRequest(raw)
  } catch (e: any) {
    throw createError({ statusCode: e.statusCode || 400, statusMessage: e.message })
  }
  assertFolderAccess(event, request.folderId)
  let stillId = request.stillId
  if (!stillId && request.sourcePath) {
    // sourcePath may be a still id when the client already resolved a library asset.
    stillId = String(request.sourcePath)
  }
  const still = getStill(owner, stillId)
  assertFolderAccess(event, still.folderId)
  request.stillId = still.id
  request.imageAId = still.id
  request.sourcePath = still.id

  const id = crypto.randomUUID()
  const record = {
    id,
    owner,
    request,
    state: 'waiting',
    queuedAt: Date.now(),
    familyId: crypto.randomUUID(),
    outputs: [],
    resultText: '',
    purgeResult: 'Not yet saved'
  }
  saveRecord(record)
  const row = await addStudioJob({
    ownerKey: owner,
    kind: 'caption',
    familyId: record.familyId,
    payload: {
      studio2Id: id,
      prompt: request.compiledPrompt,
      name: `Describe · ${request.captionStyle}`,
      folderId: request.folderId,
      stillId: still.id,
      captionStyle: request.captionStyle,
      aspect: 'auto',
      width: 0,
      height: 0,
      steps: 1,
      turbo: true,
      seed: 0,
      cfg: 0,
      fps: 24,
      samplerName: 'euler',
      scheduler: 'simple',
      duration: 0,
      sound: false,
      workflow: 'minimax',
      useIdentityRefs: false,
      hideThumbnail: false,
      referenceStillIds: [],
      extensions: [],
      queueAutoRun: true
    } as StudioJobPayload
  })
  saveRecord({ ...readRecord(owner, id), queueId: row.id })
  kickStudioQueue()
  return { id, captionStyle: request.captionStyle, stillId: still.id }
})