Files
aigen/server/api/library/clips/[id]/last-frame.get.ts
T

32 lines
1.3 KiB
TypeScript

import { existsSync, createReadStream } from 'node:fs'
import { clipLastFramePath, clipVideoPath, fileEtag, sniffImageType } from '~/server/utils/library'
export default defineEventHandler(async (event) => {
const { owner } = assertLibraryOwner(event)
const id = String(getRouterParam(event, 'id') || '')
const clip = getClip(owner, id)
assertFolderAccess(event, clip.folderId)
const videoPath = clipVideoPath(owner, clip.id)
if (!existsSync(videoPath)) {
throw createError({ statusCode: 404, statusMessage: 'Video file is missing' })
}
const framePath = clipLastFramePath(owner, clip.id)
if (!existsSync(framePath)) {
try {
await extractLastFrame(videoPath, framePath)
} catch (error) {
const message = error instanceof Error ? error.message : String(error)
throw createError({ statusCode: 500, statusMessage: `Could not extract the last frame: ${message}` })
}
}
const etag = fileEtag(framePath)
setHeader(event, 'ETag', etag)
setHeader(event, 'Cache-Control', 'private, max-age=86400, stale-while-revalidate=604800')
if (getHeader(event, 'if-none-match') === etag) {
setResponseStatus(event, 304)
return null
}
setHeader(event, 'Content-Type', sniffImageType(framePath))
return sendStream(event, createReadStream(framePath))
})