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import 'multer'
import { queue } from 'async'
import * as LRUCache from 'lru-cache'
import { extname, join } from 'path'
import { v4 as uuidv4 } from 'uuid'
import { retryTransactionWrapper } from '../helpers/database-utils'
import { processImage } from '../helpers/image-utils'
import { downloadImage } from '../helpers/requests'
import { CONFIG } from '../initializers/config'
import { AVATARS_SIZE, LRU_CACHE, QUEUE_CONCURRENCY } from '../initializers/constants'
import { sequelizeTypescript } from '../initializers/database'
import { MAccountDefault, MChannelDefault } from '../types/models'
import { deleteActorAvatarInstance, updateActorAvatarInstance } from './activitypub/actor'
import { sendUpdateActor } from './activitypub/send'
async function updateLocalActorAvatarFile (
accountOrChannel: MAccountDefault | MChannelDefault,
avatarPhysicalFile: Express.Multer.File
) {
const extension = extname(avatarPhysicalFile.filename)
const avatarName = uuidv4() + extension
const destination = join(CONFIG.STORAGE.ACTOR_IMAGES, avatarName)
await processImage(avatarPhysicalFile.path, destination, AVATARS_SIZE)
return retryTransactionWrapper(() => {
return sequelizeTypescript.transaction(async t => {
const avatarInfo = {
name: avatarName,
fileUrl: null,
onDisk: true
}
const updatedActor = await updateActorAvatarInstance(accountOrChannel.Actor, avatarInfo, t)
await updatedActor.save({ transaction: t })
await sendUpdateActor(accountOrChannel, t)
return updatedActor.Avatar
})
})
}
async function deleteLocalActorAvatarFile (
accountOrChannel: MAccountDefault | MChannelDefault
) {
return retryTransactionWrapper(() => {
return sequelizeTypescript.transaction(async t => {
const updatedActor = await deleteActorAvatarInstance(accountOrChannel.Actor, t)
await updatedActor.save({ transaction: t })
await sendUpdateActor(accountOrChannel, t)
return updatedActor.Avatar
})
})
}
type DownloadImageQueueTask = { fileUrl: string, filename: string }
const downloadImageQueue = queue<DownloadImageQueueTask, Error>((task, cb) => {
downloadImage(task.fileUrl, CONFIG.STORAGE.ACTOR_IMAGES, task.filename, AVATARS_SIZE)
.then(() => cb())
.catch(err => cb(err))
}, QUEUE_CONCURRENCY.ACTOR_PROCESS_IMAGE)
function pushActorImageProcessInQueue (task: DownloadImageQueueTask) {
return new Promise<void>((res, rej) => {
downloadImageQueue.push(task, err => {
if (err) return rej(err)
return res()
})
})
}
// Unsafe so could returns paths that does not exist anymore
const actorImagePathUnsafeCache = new LRUCache<string, string>({ max: LRU_CACHE.ACTOR_IMAGE_STATIC.MAX_SIZE })
export {
actorImagePathUnsafeCache,
updateLocalActorAvatarFile,
deleteLocalActorAvatarFile,
pushActorImageProcessInQueue
}
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