46 lines
1.6 KiB
TypeScript
46 lines
1.6 KiB
TypeScript
import { createReadStream, createWriteStream, move, remove } from 'fs-extra'
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import { join } from 'path'
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import * as srt2vtt from 'srt-to-vtt'
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import { MVideoCaption } from '@server/types/models'
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import { CONFIG } from '../initializers/config'
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async function moveAndProcessCaptionFile (physicalFile: { filename: string, path: string }, videoCaption: MVideoCaption) {
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const videoCaptionsDir = CONFIG.STORAGE.CAPTIONS_DIR
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const destination = join(videoCaptionsDir, videoCaption.filename)
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// Convert this srt file to vtt
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if (physicalFile.path.endsWith('.srt')) {
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await convertSrtToVtt(physicalFile.path, destination)
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await remove(physicalFile.path)
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} else if (physicalFile.path !== destination) { // Just move the vtt file
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await move(physicalFile.path, destination, { overwrite: true })
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}
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// This is important in case if there is another attempt in the retry process
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physicalFile.filename = videoCaption.filename
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physicalFile.path = destination
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}
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// ---------------------------------------------------------------------------
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export {
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moveAndProcessCaptionFile
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}
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// ---------------------------------------------------------------------------
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function convertSrtToVtt (source: string, destination: string) {
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return new Promise<void>((res, rej) => {
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const file = createReadStream(source)
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const converter = srt2vtt()
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const writer = createWriteStream(destination)
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for (const s of [ file, converter, writer ]) {
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s.on('error', err => rej(err))
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}
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return file.pipe(converter)
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.pipe(writer)
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.on('finish', () => res())
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})
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}
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