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const fs = require('fs-extra')
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const path = require('path')
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const tar = require('tar-fs')
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const zlib = require('zlib')
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const stream = require('stream')
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const _ = require('lodash')
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const Promise = require('bluebird')
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const pipeline = Promise.promisify(stream.pipeline)
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const moment = require('moment')
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const pageHelper = require('../../../helpers/page')
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const commonDisk = require('./common')
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/* global WIKI */
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module.exports = {
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async activated() {
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// not used
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},
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async deactivated() {
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// not used
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},
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async init() {
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WIKI.logger.info('(STORAGE/DISK) Initializing...')
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await fs.ensureDir(this.config.path)
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WIKI.logger.info('(STORAGE/DISK) Initialization completed.')
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},
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async sync({ manual } = { manual: false }) {
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if (this.config.createDailyBackups || manual) {
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const dirPath = path.join(this.config.path, manual ? '_manual' : '_daily')
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await fs.ensureDir(dirPath)
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const dateFilename = moment().format(manual ? 'YYYYMMDD-HHmmss' : 'DD')
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WIKI.logger.info(`(STORAGE/DISK) Creating backup archive...`)
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await pipeline(
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tar.pack(this.config.path, {
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ignore: (filePath) => {
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return filePath.indexOf('_daily') >= 0 || filePath.indexOf('_manual') >= 0
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}
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}),
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zlib.createGzip(),
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fs.createWriteStream(path.join(dirPath, `wiki-${dateFilename}.tar.gz`))
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)
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WIKI.logger.info('(STORAGE/DISK) Backup archive created successfully.')
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}
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},
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async created(page) {
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WIKI.logger.info(`(STORAGE/DISK) Creating file [${page.localeCode}] ${page.path}...`)
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let fileName = `${page.path}.${pageHelper.getFileExtension(page.contentType)}`
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if (WIKI.config.lang.code !== page.localeCode) {
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fileName = `${page.localeCode}/${fileName}`
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}
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const filePath = path.join(this.config.path, fileName)
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await fs.outputFile(filePath, page.injectMetadata(), 'utf8')
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},
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async updated(page) {
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WIKI.logger.info(`(STORAGE/DISK) Updating file [${page.localeCode}] ${page.path}...`)
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let fileName = `${page.path}.${pageHelper.getFileExtension(page.contentType)}`
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if (WIKI.config.lang.code !== page.localeCode) {
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fileName = `${page.localeCode}/${fileName}`
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}
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const filePath = path.join(this.config.path, fileName)
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await fs.outputFile(filePath, page.injectMetadata(), 'utf8')
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},
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async deleted(page) {
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WIKI.logger.info(`(STORAGE/DISK) Deleting file [${page.localeCode}] ${page.path}...`)
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let fileName = `${page.path}.${pageHelper.getFileExtension(page.contentType)}`
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if (WIKI.config.lang.code !== page.localeCode) {
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fileName = `${page.localeCode}/${fileName}`
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}
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const filePath = path.join(this.config.path, fileName)
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await fs.unlink(filePath)
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},
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async renamed(page) {
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WIKI.logger.info(`(STORAGE/DISK) Renaming file [${page.localeCode}] ${page.path} to [${page.destinationLocaleCode}] ${page.destinationPath}...`)
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let sourceFilePath = `${page.path}.${pageHelper.getFileExtension(page.contentType)}`
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let destinationFilePath = `${page.destinationPath}.${pageHelper.getFileExtension(page.contentType)}`
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if (WIKI.config.lang.namespacing) {
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if (WIKI.config.lang.code !== page.localeCode) {
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sourceFilePath = `${page.localeCode}/${sourceFilePath}`
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}
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if (WIKI.config.lang.code !== page.destinationLocaleCode) {
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destinationFilePath = `${page.destinationLocaleCode}/${destinationFilePath}`
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}
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}
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await fs.move(path.join(this.config.path, sourceFilePath), path.join(this.config.path, destinationFilePath), { overwrite: true })
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},
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/**
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* ASSET UPLOAD
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*
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* @param {Object} asset Asset to upload
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*/
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async assetUploaded (asset) {
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WIKI.logger.info(`(STORAGE/DISK) Creating new file ${asset.path}...`)
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await fs.outputFile(path.join(this.config.path, asset.path), asset.data)
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},
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/**
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* ASSET DELETE
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*
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* @param {Object} asset Asset to delete
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*/
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async assetDeleted (asset) {
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WIKI.logger.info(`(STORAGE/DISK) Deleting file ${asset.path}...`)
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await fs.remove(path.join(this.config.path, asset.path))
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},
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/**
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* ASSET RENAME
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*
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* @param {Object} asset Asset to rename
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*/
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async assetRenamed (asset) {
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WIKI.logger.info(`(STORAGE/DISK) Renaming file from ${asset.path} to ${asset.destinationPath}...`)
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await fs.move(path.join(this.config.path, asset.path), path.join(this.config.path, asset.destinationPath), { overwrite: true })
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},
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async getLocalLocation (asset) {
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return path.join(this.config.path, asset.path)
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},
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/**
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* HANDLERS
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*/
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async dump() {
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WIKI.logger.info(`(STORAGE/DISK) Dumping all content to disk...`)
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// -> Pages
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await pipeline(
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WIKI.models.knex.column('path', 'localeCode', 'title', 'description', 'contentType', 'content', 'isPublished', 'updatedAt', 'createdAt').select().from('pages').where({
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isPrivate: false
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}).stream(),
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new stream.Transform({
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objectMode: true,
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transform: async (page, enc, cb) => {
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let fileName = `${page.path}.${pageHelper.getFileExtension(page.contentType)}`
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if (WIKI.config.lang.code !== page.localeCode) {
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fileName = `${page.localeCode}/${fileName}`
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}
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WIKI.logger.info(`(STORAGE/DISK) Dumping page ${fileName}...`)
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const filePath = path.join(this.config.path, fileName)
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await fs.outputFile(filePath, pageHelper.injectPageMetadata(page), 'utf8')
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cb()
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}
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})
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)
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// -> Assets
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const assetFolders = await WIKI.models.assetFolders.getAllPaths()
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await pipeline(
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WIKI.models.knex.column('filename', 'folderId', 'data').select().from('assets').join('assetData', 'assets.id', '=', 'assetData.id').stream(),
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new stream.Transform({
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objectMode: true,
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transform: async (asset, enc, cb) => {
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const filename = (asset.folderId && asset.folderId > 0) ? `${_.get(assetFolders, asset.folderId)}/${asset.filename}` : asset.filename
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WIKI.logger.info(`(STORAGE/DISK) Dumping asset ${filename}...`)
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await fs.outputFile(path.join(this.config.path, filename), asset.data)
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cb()
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}
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})
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)
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WIKI.logger.info('(STORAGE/DISK) All content was dumped to disk successfully.')
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},
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async backup() {
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return this.sync({ manual: true })
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},
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async importAll() {
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WIKI.logger.info(`(STORAGE/DISK) Importing all content from local disk folder to the DB...`)
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await commonDisk.importFromDisk({
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fullPath: this.config.path,
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moduleName: 'DISK'
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})
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WIKI.logger.info('(STORAGE/DISK) Import completed.')
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}
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}
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