38 lines
1.5 KiB
TypeScript
38 lines
1.5 KiB
TypeScript
import { existsSync, createReadStream } from 'node:fs'
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import { clipFrameThumbFile, ensureClipLastFrame, ensureScaledThumb, fileEtag, sniffImageType } from '~/server/utils/library'
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export default defineEventHandler(async (event) => {
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const { owner } = assertLibraryOwner(event)
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const id = String(getRouterParam(event, 'id') || '')
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const clip = getClip(owner, id)
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assertFolderAccess(event, clip.folderId)
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const wantThumb = String(getQuery(event).thumb || '') === '1'
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let framePath = ''
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try {
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framePath = await ensureClipLastFrame(owner, clip.id)
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} catch (error) {
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const message = error instanceof Error ? error.message : String(error)
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throw createError({ statusCode: 500, statusMessage: `Could not extract the last frame: ${message}` })
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}
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if (!framePath || !existsSync(framePath)) {
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throw createError({ statusCode: 404, statusMessage: 'Video file is missing' })
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}
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let path = framePath
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if (wantThumb) {
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const thumbPath = await ensureScaledThumb(framePath, clipFrameThumbFile(owner, clip.id, 'last'))
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if (thumbPath && existsSync(thumbPath)) path = thumbPath
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}
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const etag = fileEtag(path)
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setHeader(event, 'ETag', etag)
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setHeader(event, 'Cache-Control', wantThumb ? 'private, max-age=60, must-revalidate' : 'private, max-age=60, must-revalidate')
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if (getHeader(event, 'if-none-match') === etag) {
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setResponseStatus(event, 304)
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return null
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}
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setHeader(event, 'Content-Type', wantThumb && path !== framePath ? 'image/jpeg' : sniffImageType(path))
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return sendStream(event, createReadStream(path))
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})
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