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import { ResultList } from '../../shared'
import { CONFIG } from '../initializers'
import { ApplicationModel } from '../models/application/application'
import { pseudoRandomBytesPromise, sha256 } from './core-utils'
import { logger } from './logger'
import { join } from 'path'
import { Instance as ParseTorrent } from 'parse-torrent'
import { remove } from 'fs-extra'
import * as memoizee from 'memoizee'
function deleteFileAsync (path: string) {
remove(path)
.catch(err => logger.error('Cannot delete the file %s asynchronously.', path, { err }))
}
async function generateRandomString (size: number) {
const raw = await pseudoRandomBytesPromise(size)
return raw.toString('hex')
}
interface FormattableToJSON {
toFormattedJSON (args?: any)
}
function getFormattedObjects<U, T extends FormattableToJSON> (objects: T[], objectsTotal: number, formattedArg?: any) {
const formattedObjects: U[] = []
objects.forEach(object => {
formattedObjects.push(object.toFormattedJSON(formattedArg))
})
return {
total: objectsTotal,
data: formattedObjects
} as ResultList<U>
}
const getServerActor = memoizee(async function () {
const application = await ApplicationModel.load()
if (!application) throw Error('Could not load Application from database.')
return application.Account.Actor
})
function generateVideoTmpPath (target: string | ParseTorrent) {
const id = typeof target === 'string' ? target : target.infoHash
const hash = sha256(id)
return join(CONFIG.STORAGE.VIDEOS_DIR, hash + '-import.mp4')
}
function getSecureTorrentName (originalName: string) {
return sha256(originalName) + '.torrent'
}
// ---------------------------------------------------------------------------
export {
deleteFileAsync,
generateRandomString,
getFormattedObjects,
getSecureTorrentName,
getServerActor,
generateVideoTmpPath
}
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