const fs = require('fs-extra') const _ = require('lodash') const path = require('path') const tar = require('tar-fs') const zlib = require('zlib') const stream = require('stream') const Promise = require('bluebird') const pipeline = Promise.promisify(stream.pipeline) const pageHelper = require('../../../helpers/page.js') const moment = require('moment') /* global WIKI */ /** * Get file extension based on content type */ const getFileExtension = (contentType) => { switch (contentType) { case 'markdown': return 'md' case 'html': return 'html' default: return 'txt' } } module.exports = { async activated() { // not used }, async deactivated() { // not used }, async init() { WIKI.logger.info('(STORAGE/DISK) Initializing...') await fs.ensureDir(this.config.path) WIKI.logger.info('(STORAGE/DISK) Initialization completed.') }, async sync({ manual } = { manual: false }) { if (this.config.createDailyBackups || manual) { const dirPath = path.join(this.config.path, manual ? '_manual' : '_daily') await fs.ensureDir(dirPath) const dateFilename = moment().format(manual ? 'YYYYMMDD-HHmmss' : 'DD') WIKI.logger.info(`(STORAGE/DISK) Creating backup archive...`) await pipeline( tar.pack(this.config.path, { ignore: (filePath) => { return filePath.indexOf('_daily') >= 0 || filePath.indexOf('_manual') >= 0 } }), zlib.createGzip(), fs.createWriteStream(path.join(dirPath, `wiki-${dateFilename}.tar.gz`)) ) WIKI.logger.info('(STORAGE/DISK) Backup archive created successfully.') } }, async created(page) { WIKI.logger.info(`(STORAGE/DISK) Creating file ${page.path}...`) let fileName = `${page.path}.${getFileExtension(page.contentType)}` if (WIKI.config.lang.namespacing && WIKI.config.lang.code !== page.localeCode) { fileName = `${page.localeCode}/${fileName}` } const filePath = path.join(this.config.path, fileName) await fs.outputFile(filePath, page.injectMetadata(), 'utf8') }, async updated(page) { WIKI.logger.info(`(STORAGE/DISK) Updating file ${page.path}...`) let fileName = `${page.path}.${getFileExtension(page.contentType)}` if (WIKI.config.lang.namespacing && WIKI.config.lang.code !== page.localeCode) { fileName = `${page.localeCode}/${fileName}` } const filePath = path.join(this.config.path, fileName) await fs.outputFile(filePath, page.injectMetadata(), 'utf8') }, async deleted(page) { WIKI.logger.info(`(STORAGE/DISK) Deleting file ${page.path}...`) let fileName = `${page.path}.${getFileExtension(page.contentType)}` if (WIKI.config.lang.namespacing && WIKI.config.lang.code !== page.localeCode) { fileName = `${page.localeCode}/${fileName}` } const filePath = path.join(this.config.path, fileName) await fs.unlink(filePath) }, async renamed(page) { WIKI.logger.info(`(STORAGE/DISK) Renaming file ${page.sourcePath} to ${page.destinationPath}...`) let sourceFilePath = `${page.sourcePath}.${getFileExtension(page.contentType)}` let destinationFilePath = `${page.destinationPath}.${getFileExtension(page.contentType)}` if (WIKI.config.lang.namespacing && WIKI.config.lang.code !== page.localeCode) { sourceFilePath = `${page.localeCode}/${sourceFilePath}` destinationFilePath = `${page.localeCode}/${destinationFilePath}` } await fs.move(path.join(this.config.path, sourceFilePath), path.join(this.config.path, destinationFilePath), { overwrite: true }) }, /** * HANDLERS */ async dump() { WIKI.logger.info(`(STORAGE/DISK) Dumping all content to disk...`) await pipeline( WIKI.models.knex.column('path', 'localeCode', 'title', 'description', 'contentType', 'content', 'isPublished', 'updatedAt').select().from('pages').where({ isPrivate: false }).stream(), new stream.Transform({ objectMode: true, transform: async (page, enc, cb) => { let fileName = `${page.path}.${getFileExtension(page.contentType)}` if (WIKI.config.lang.namespacing && WIKI.config.lang.code !== page.localeCode) { fileName = `${page.localeCode}/${fileName}` } WIKI.logger.info(`(STORAGE/DISK) Dumping ${fileName}...`) const filePath = path.join(this.config.path, fileName) await fs.outputFile(filePath, pageHelper.injectPageMetadata(page), 'utf8') cb() } }) ) WIKI.logger.info('(STORAGE/DISK) All content was dumped to disk successfully.') }, async backup() { return this.sync({ manual: true }) } }