mirror of https://github.com/requarks/wiki
Nicolas Giard
2 years ago
parent
c377eca6c7
commit
714aa1eb0f
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const Model = require('objection').Model
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const _ = require('lodash')
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const rePathName = /^[a-z0-9-]+$/
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const reTitle = /^[^<>"]+$/
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/**
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* Tree model
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*/
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module.exports = class Tree extends Model {
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static get tableName() { return 'tree' }
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static get jsonSchema () {
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return {
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type: 'object',
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required: ['fileName'],
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properties: {
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id: {type: 'string'},
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folderPath: {type: 'string'},
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fileName: {type: 'string'},
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type: {type: 'string'},
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title: {type: 'string'},
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createdAt: {type: 'string'},
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updatedAt: {type: 'string'}
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}
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}
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}
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static get jsonAttributes() {
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return ['meta']
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}
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static get relationMappings() {
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return {
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locale: {
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relation: Model.BelongsToOneRelation,
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modelClass: require('./locales'),
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join: {
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from: 'tree.localeCode',
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to: 'locales.code'
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}
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},
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site: {
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relation: Model.BelongsToOneRelation,
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modelClass: require('./sites'),
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join: {
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from: 'tree.siteId',
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to: 'sites.id'
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}
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}
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}
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}
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$beforeUpdate() {
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this.updatedAt = new Date().toISOString()
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}
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$beforeInsert() {
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this.createdAt = new Date().toISOString()
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this.updatedAt = new Date().toISOString()
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}
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/**
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* Create New Folder
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*
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* @param {Object} args - New Folder Properties
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* @param {string} [args.parentId] - UUID of the parent folder
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* @param {string} [args.parentPath] - Path of the parent folder
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* @param {string} args.pathName - Path name of the folder to create
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* @param {string} args.title - Title of the folder to create
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* @param {string} args.locale - Locale code of the folder to create
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* @param {string} args.siteId - UUID of the site in which the folder will be created
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*/
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static async createFolder ({ parentId, parentPath, pathName, title, locale, siteId }) {
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// Validate path name
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if (!rePathName.test(pathName)) {
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throw new Error('ERR_INVALID_PATH_NAME')
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}
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// Validate title
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if (!reTitle.test(title)) {
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throw new Error('ERR_INVALID_TITLE')
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}
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WIKI.logger.debug(`Creating new folder ${pathName}...`)
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parentPath = parentPath?.replaceAll('/', '.')?.replaceAll('-', '_') || ''
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const parentPathParts = parentPath.split('.')
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const parentFilter = {
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folderPath: _.dropRight(parentPathParts).join('.'),
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fileName: _.last(parentPathParts)
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}
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// Get parent path
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let parent = null
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if (parentId) {
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parent = await WIKI.db.knex('tree').where('id', parentId).first()
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if (!parent) {
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throw new Error('ERR_NONEXISTING_PARENT_ID')
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}
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parentPath = parent.folderPath ? `${parent.folderPath}.${parent.fileName}` : parent.fileName
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} else if (parentPath) {
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parent = await WIKI.db.knex('tree').where(parentFilter).first()
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} else {
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parentPath = ''
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}
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// Check for collision
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const existingFolder = await WIKI.db.knex('tree').where({
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siteId: siteId,
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localeCode: locale,
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folderPath: parentPath,
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fileName: pathName
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}).first()
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if (existingFolder) {
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throw new Error('ERR_FOLDER_ALREADY_EXISTS')
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}
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// Ensure all ancestors exist
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if (parentPath) {
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const expectedAncestors = []
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const existingAncestors = await WIKI.db.knex('tree').select('folderPath', 'fileName').where(builder => {
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const parentPathParts = parentPath.split('.')
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for (let i = 1; i <= parentPathParts.length; i++) {
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const ancestor = {
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folderPath: _.dropRight(parentPathParts, i).join('.'),
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fileName: _.nth(parentPathParts, i * -1)
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}
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expectedAncestors.push(ancestor)
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builder.orWhere({
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...ancestor,
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type: 'folder'
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})
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}
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})
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for (const ancestor of _.differenceWith(expectedAncestors, existingAncestors, (expAnc, exsAnc) => expAnc.folderPath === exsAnc.folderPath && expAnc.fileName === exsAnc.fileName)) {
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WIKI.logger.debug(`Creating missing parent folder ${ancestor.fileName} at path /${ancestor.folderPath}...`)
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const newAncestor = await WIKI.db.knex('tree').insert({
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...ancestor,
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type: 'folder',
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title: ancestor.fileName,
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localeCode: locale,
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siteId: siteId,
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meta: {
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children: 1
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}
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}).returning('*')
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// Parent didn't exist until now, assign it
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if (!parent && ancestor.folderPath === parentFilter.folderPath && ancestor.fileName === parentFilter.fileName) {
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parent = newAncestor
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}
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}
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}
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// Create folder
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WIKI.logger.debug(`Creating new folder ${pathName} at path /${parentPath}...`)
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await WIKI.db.knex('tree').insert({
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folderPath: parentPath,
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fileName: pathName,
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type: 'folder',
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title: title,
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localeCode: locale,
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siteId: siteId,
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meta: {
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children: 0
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}
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})
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// Update parent ancestor count
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if (parent) {
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await WIKI.db.knex('tree').where('id', parent.id).update({
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meta: {
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...(parent.meta ?? {}),
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children: (parent.meta?.children || 0) + 1
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}
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})
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}
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}
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/**
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* Rename a folder
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*
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* @param {Object} args - Rename Folder Properties
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* @param {string} args.folderId - UUID of the folder to rename
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* @param {string} args.pathName - New path name of the folder
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* @param {string} args.title - New title of the folder
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*/
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static async renameFolder ({ folderId, pathName, title }) {
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// Get folder
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const folder = await WIKI.db.knex('tree').where('id', folderId).first()
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if (!folder) {
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throw new Error('ERR_NONEXISTING_FOLDER_ID')
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}
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// Validate path name
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if (!rePathName.test(pathName)) {
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throw new Error('ERR_INVALID_PATH_NAME')
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}
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// Validate title
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if (!reTitle.test(title)) {
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throw new Error('ERR_INVALID_TITLE')
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}
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WIKI.logger.debug(`Renaming folder ${folder.id} path to ${pathName}...`)
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if (pathName !== folder.fileName) {
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// Check for collision
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const existingFolder = await WIKI.db.knex('tree')
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.whereNot('id', folder.id)
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.andWhere({
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siteId: folder.siteId,
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folderPath: folder.folderPath,
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fileName: pathName
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}).first()
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if (existingFolder) {
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throw new Error('ERR_FOLDER_ALREADY_EXISTS')
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}
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// Build new paths
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const oldFolderPath = (folder.folderPath ? `${folder.folderPath}.${folder.fileName}` : folder.fileName).replaceAll('-', '_')
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const newFolderPath = (folder.folderPath ? `${folder.folderPath}.${pathName}` : pathName).replaceAll('-', '_')
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// Update children nodes
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WIKI.logger.debug(`Updating parent path of children nodes from ${oldFolderPath} to ${newFolderPath} ...`)
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await WIKI.db.knex('tree').where('siteId', folder.siteId).andWhere('folderPath', oldFolderPath).update({
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folderPath: newFolderPath
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})
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await WIKI.db.knex('tree').where('siteId', folder.siteId).andWhere('folderPath', '<@', oldFolderPath).update({
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folderPath: WIKI.db.knex.raw(`'${newFolderPath}' || subpath(tree."folderPath", nlevel('${newFolderPath}'))`)
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})
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// Rename the folder itself
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await WIKI.db.knex('tree').where('id', folder.id).update({
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fileName: pathName,
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title: title
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})
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} else {
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// Update the folder title only
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await WIKI.db.knex('tree').where('id', folder.id).update({
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title: title
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})
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}
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WIKI.logger.debug(`Renamed folder ${folder.id} successfully.`)
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}
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/**
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* Delete a folder
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*
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* @param {String} folderId Folder ID
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*/
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static async deleteFolder (folderId) {
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// Get folder
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const folder = await WIKI.db.knex('tree').where('id', folderId).first()
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if (!folder) {
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throw new Error('ERR_NONEXISTING_FOLDER_ID')
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}
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const folderPath = folder.folderPath ? `${folder.folderPath}.${folder.fileName}` : folder.fileName
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WIKI.logger.debug(`Deleting folder ${folder.id} at path ${folderPath}...`)
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// Delete all children
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const deletedNodes = await WIKI.db.knex('tree').where('folderPath', '<@', folderPath).del().returning(['id', 'type'])
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// Delete folders
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const deletedFolders = deletedNodes.filter(n => n.type === 'folder').map(n => n.id)
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if (deletedFolders.length > 0) {
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WIKI.logger.debug(`Deleted ${deletedFolders.length} children folders.`)
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}
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// Delete pages
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const deletedPages = deletedNodes.filter(n => n.type === 'page').map(n => n.id)
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if (deletedPages.length > 0) {
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WIKI.logger.debug(`Deleting ${deletedPages.length} children pages...`)
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// TODO: Delete page
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}
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// Delete assets
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const deletedAssets = deletedNodes.filter(n => n.type === 'asset').map(n => n.id)
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if (deletedAssets.length > 0) {
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WIKI.logger.debug(`Deleting ${deletedPages.length} children assets...`)
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// TODO: Delete asset
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}
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// Delete the folder itself
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await WIKI.db.knex('tree').where('id', folder.id).del()
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// Update parent children count
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if (folder.folderPath) {
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const parentPathParts = folder.folderPath.split('.')
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const parent = await WIKI.db.knex('tree').where({
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folderPath: _.dropRight(parentPathParts).join('.'),
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fileName: _.last(parentPathParts)
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}).first()
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await WIKI.db.knex('tree').where('id', parent.id).update({
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meta: {
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...(parent.meta ?? {}),
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children: (parent.meta?.children || 1) - 1
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}
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})
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}
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WIKI.logger.debug(`Deleted folder ${folder.id} successfully.`)
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}
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}
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After Width: | Height: | Size: 2.1 KiB |
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After Width: | Height: | Size: 2.1 KiB |
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After Width: | Height: | Size: 18 KiB |
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After Width: | Height: | Size: 8.5 KiB |
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