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836 lines
23 KiB
836 lines
23 KiB
const Model = require('objection').Model
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const _ = require('lodash')
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const JSBinType = require('js-binary').Type
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const pageHelper = require('../helpers/page')
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const path = require('path')
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const fs = require('fs-extra')
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const yaml = require('js-yaml')
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const striptags = require('striptags')
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const emojiRegex = require('emoji-regex')
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const he = require('he')
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/* global WIKI */
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const frontmatterRegex = {
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html: /^(<!-{2}(?:\n|\r)([\w\W]+?)(?:\n|\r)-{2}>)?(?:\n|\r)*([\w\W]*)*/,
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legacy: /^(<!-- TITLE: ?([\w\W]+?) -{2}>)?(?:\n|\r)?(<!-- SUBTITLE: ?([\w\W]+?) -{2}>)?(?:\n|\r)*([\w\W]*)*/i,
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markdown: /^(-{3}(?:\n|\r)([\w\W]+?)(?:\n|\r)-{3})?(?:\n|\r)*([\w\W]*)*/
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}
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const punctuationRegex = /[!,:;/\\_+\-=()&#@<>$~%^*[\]{}"'|]+|(\.\s)|(\s\.)/ig
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// const htmlEntitiesRegex = /(&#[0-9]{3};)|(&#x[a-zA-Z0-9]{2};)/ig
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/**
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* Pages model
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*/
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module.exports = class Page extends Model {
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static get tableName() { return 'pages' }
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static get jsonSchema () {
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return {
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type: 'object',
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required: ['path', 'title'],
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properties: {
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id: {type: 'integer'},
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path: {type: 'string'},
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hash: {type: 'string'},
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title: {type: 'string'},
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description: {type: 'string'},
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isPublished: {type: 'boolean'},
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privateNS: {type: 'string'},
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publishStartDate: {type: 'string'},
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publishEndDate: {type: 'string'},
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content: {type: 'string'},
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contentType: {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 relationMappings() {
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return {
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tags: {
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relation: Model.ManyToManyRelation,
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modelClass: require('./tags'),
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join: {
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from: 'pages.id',
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through: {
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from: 'pageTags.pageId',
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to: 'pageTags.tagId'
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},
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to: 'tags.id'
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}
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},
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links: {
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relation: Model.HasManyRelation,
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modelClass: require('./pageLinks'),
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join: {
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from: 'pages.id',
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to: 'pageLinks.pageId'
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}
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},
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author: {
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relation: Model.BelongsToOneRelation,
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modelClass: require('./users'),
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join: {
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from: 'pages.authorId',
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to: 'users.id'
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}
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},
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creator: {
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relation: Model.BelongsToOneRelation,
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modelClass: require('./users'),
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join: {
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from: 'pages.creatorId',
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to: 'users.id'
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}
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},
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editor: {
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relation: Model.BelongsToOneRelation,
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modelClass: require('./editors'),
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join: {
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from: 'pages.editorKey',
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to: 'editors.key'
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}
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},
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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: 'pages.localeCode',
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to: 'locales.code'
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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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* Cache Schema
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*/
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static get cacheSchema() {
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return new JSBinType({
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id: 'uint',
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authorId: 'uint',
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authorName: 'string',
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createdAt: 'string',
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creatorId: 'uint',
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creatorName: 'string',
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description: 'string',
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isPrivate: 'boolean',
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isPublished: 'boolean',
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publishEndDate: 'string',
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publishStartDate: 'string',
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render: 'string',
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tags: [
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{
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tag: 'string',
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title: 'string'
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}
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],
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title: 'string',
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toc: 'string',
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updatedAt: 'string'
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})
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}
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/**
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* Inject page metadata into contents
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*
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* @returns {string} Page Contents with Injected Metadata
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*/
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injectMetadata () {
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return pageHelper.injectPageMetadata(this)
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}
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/**
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* Get the page's file extension based on content type
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*
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* @returns {string} File Extension
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*/
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getFileExtension() {
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return pageHelper.getFileExtension(this.contentType)
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}
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/**
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* Parse injected page metadata from raw content
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*
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* @param {String} raw Raw file contents
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* @param {String} contentType Content Type
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* @returns {Object} Parsed Page Metadata with Raw Content
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*/
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static parseMetadata (raw, contentType) {
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let result
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switch (contentType) {
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case 'markdown':
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result = frontmatterRegex.markdown.exec(raw)
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if (result[2]) {
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return {
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...yaml.safeLoad(result[2]),
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content: result[3]
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}
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} else {
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// Attempt legacy v1 format
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result = frontmatterRegex.legacy.exec(raw)
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if (result[2]) {
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return {
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title: result[2],
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description: result[4],
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content: result[5]
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}
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}
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}
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break
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case 'html':
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result = frontmatterRegex.html.exec(raw)
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if (result[2]) {
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return {
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...yaml.safeLoad(result[2]),
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content: result[3]
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}
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}
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break
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}
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return {
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content: raw
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}
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}
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/**
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* Create a New Page
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*
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* @param {Object} opts Page Properties
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* @returns {Promise} Promise of the Page Model Instance
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*/
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static async createPage(opts) {
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// -> Validate path
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if (opts.path.indexOf('.') >= 0 || opts.path.indexOf(' ') >= 0) {
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throw new WIKI.Error.PageIllegalPath()
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}
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// -> Check for page access
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if (!WIKI.auth.checkAccess(opts.user, ['write:pages'], {
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locale: opts.locale,
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path: opts.path
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})) {
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throw new WIKI.Error.PageDeleteForbidden()
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}
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// -> Check for duplicate
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const dupCheck = await WIKI.models.pages.query().select('id').where('localeCode', opts.locale).where('path', opts.path).first()
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if (dupCheck) {
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throw new WIKI.Error.PageDuplicateCreate()
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}
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// -> Check for empty content
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if (!opts.content || _.trim(opts.content).length < 1) {
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throw new WIKI.Error.PageEmptyContent()
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}
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// -> Create page
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await WIKI.models.pages.query().insert({
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authorId: opts.user.id,
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content: opts.content,
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creatorId: opts.user.id,
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contentType: _.get(_.find(WIKI.data.editors, ['key', opts.editor]), `contentType`, 'text'),
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description: opts.description,
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editorKey: opts.editor,
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hash: pageHelper.generateHash({ path: opts.path, locale: opts.locale, privateNS: opts.isPrivate ? 'TODO' : '' }),
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isPrivate: opts.isPrivate,
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isPublished: opts.isPublished,
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localeCode: opts.locale,
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path: opts.path,
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publishEndDate: opts.publishEndDate || '',
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publishStartDate: opts.publishStartDate || '',
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title: opts.title,
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toc: '[]'
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})
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const page = await WIKI.models.pages.getPageFromDb({
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path: opts.path,
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locale: opts.locale,
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userId: opts.user.id,
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isPrivate: opts.isPrivate
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})
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// -> Save Tags
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if (opts.tags && opts.tags.length > 0) {
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await WIKI.models.tags.associateTags({ tags: opts.tags, page })
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}
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// -> Render page to HTML
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await WIKI.models.pages.renderPage(page)
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// -> Rebuild page tree
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await WIKI.models.pages.rebuildTree()
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// -> Add to Search Index
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const pageContents = await WIKI.models.pages.query().findById(page.id).select('render')
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page.safeContent = WIKI.models.pages.cleanHTML(pageContents.render)
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await WIKI.data.searchEngine.created(page)
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// -> Add to Storage
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if (!opts.skipStorage) {
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await WIKI.models.storage.pageEvent({
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event: 'created',
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page
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})
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}
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// -> Reconnect Links
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await WIKI.models.pages.reconnectLinks({
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locale: page.localeCode,
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path: page.path,
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mode: 'create'
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})
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return page
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}
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/**
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* Update an Existing Page
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*
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* @param {Object} opts Page Properties
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* @returns {Promise} Promise of the Page Model Instance
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*/
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static async updatePage(opts) {
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// -> Fetch original page
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const ogPage = await WIKI.models.pages.query().findById(opts.id)
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if (!ogPage) {
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throw new Error('Invalid Page Id')
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}
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// -> Check for page access
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if (!WIKI.auth.checkAccess(opts.user, ['write:pages'], {
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locale: opts.locale,
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path: opts.path
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})) {
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throw new WIKI.Error.PageUpdateForbidden()
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}
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// -> Check for empty content
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if (!opts.content || _.trim(opts.content).length < 1) {
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throw new WIKI.Error.PageEmptyContent()
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}
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// -> Create version snapshot
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await WIKI.models.pageHistory.addVersion({
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...ogPage,
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isPublished: ogPage.isPublished === true || ogPage.isPublished === 1,
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action: 'updated'
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})
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// -> Update page
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await WIKI.models.pages.query().patch({
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authorId: opts.user.id,
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content: opts.content,
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description: opts.description,
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isPublished: opts.isPublished === true || opts.isPublished === 1,
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publishEndDate: opts.publishEndDate || '',
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publishStartDate: opts.publishStartDate || '',
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title: opts.title
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}).where('id', ogPage.id)
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let page = await WIKI.models.pages.getPageFromDb({
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path: ogPage.path,
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locale: ogPage.localeCode,
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userId: ogPage.authorId,
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isPrivate: ogPage.isPrivate
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})
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// -> Save Tags
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await WIKI.models.tags.associateTags({ tags: opts.tags, page })
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// -> Render page to HTML
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await WIKI.models.pages.renderPage(page)
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// -> Update Search Index
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const pageContents = await WIKI.models.pages.query().findById(page.id).select('render')
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page.safeContent = WIKI.models.pages.cleanHTML(pageContents.render)
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await WIKI.data.searchEngine.updated(page)
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// -> Update on Storage
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if (!opts.skipStorage) {
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await WIKI.models.storage.pageEvent({
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event: 'updated',
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page
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})
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}
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// -> Perform move?
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if (opts.locale !== page.localeCode || opts.path !== page.path) {
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await WIKI.models.pages.movePage({
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id: page.id,
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destinationLocale: opts.locale,
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destinationPath: opts.path,
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user: opts.user
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})
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} else {
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// -> Update title of page tree entry
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await WIKI.models.knex.table('pageTree').where({
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pageId: page.id
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}).update('title', page.title)
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}
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return page
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}
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/**
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* Move a Page
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*
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* @param {Object} opts Page Properties
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* @returns {Promise} Promise with no value
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*/
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static async movePage(opts) {
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const page = await WIKI.models.pages.query().findById(opts.id)
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if (!page) {
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throw new WIKI.Error.PageNotFound()
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}
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// -> Check for source page access
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if (!WIKI.auth.checkAccess(opts.user, ['manage:pages'], {
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locale: page.sourceLocale,
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path: page.sourcePath
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})) {
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throw new WIKI.Error.PageMoveForbidden()
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}
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// -> Check for destination page access
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if (!WIKI.auth.checkAccess(opts.user, ['write:pages'], {
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locale: opts.destinationLocale,
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path: opts.destinationPath
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})) {
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throw new WIKI.Error.PageMoveForbidden()
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}
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// -> Check for existing page at destination path
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const destPage = await await WIKI.models.pages.query().findOne({
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path: opts.destinationPath,
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localeCode: opts.destinationLocale
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})
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if (destPage) {
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throw new WIKI.Error.PagePathCollision()
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}
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// -> Create version snapshot
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await WIKI.models.pageHistory.addVersion({
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...page,
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action: 'moved'
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})
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const destinationHash = pageHelper.generateHash({ path: opts.destinationPath, locale: opts.destinationLocale, privateNS: opts.isPrivate ? 'TODO' : '' })
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// -> Move page
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await WIKI.models.pages.query().patch({
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path: opts.destinationPath,
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localeCode: opts.destinationLocale,
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hash: destinationHash
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}).findById(page.id)
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await WIKI.models.pages.deletePageFromCache(page)
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// -> Rebuild page tree
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await WIKI.models.pages.rebuildTree()
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// -> Rename in Search Index
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await WIKI.data.searchEngine.renamed({
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...page,
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destinationPath: opts.destinationPath,
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destinationLocaleCode: opts.destinationLocale,
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destinationHash
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})
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// -> Rename in Storage
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if (!opts.skipStorage) {
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await WIKI.models.storage.pageEvent({
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event: 'renamed',
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page: {
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...page,
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destinationPath: opts.destinationPath,
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destinationLocaleCode: opts.destinationLocale,
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destinationHash,
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moveAuthorId: opts.user.id,
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moveAuthorName: opts.user.name,
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moveAuthorEmail: opts.user.email
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}
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})
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}
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// -> Reconnect Links
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await WIKI.models.pages.reconnectLinks({
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sourceLocale: page.localeCode,
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sourcePath: page.path,
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locale: opts.destinationLocale,
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path: opts.destinationPath,
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mode: 'move'
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})
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}
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/**
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* Delete an Existing Page
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*
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* @param {Object} opts Page Properties
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* @returns {Promise} Promise with no value
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*/
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static async deletePage(opts) {
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let page
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if (_.has(opts, 'id')) {
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page = await WIKI.models.pages.query().findById(opts.id)
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} else {
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page = await await WIKI.models.pages.query().findOne({
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path: opts.path,
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localeCode: opts.locale
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})
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}
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if (!page) {
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throw new Error('Invalid Page Id')
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}
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// -> Check for page access
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if (!WIKI.auth.checkAccess(opts.user, ['delete:pages'], {
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locale: page.locale,
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path: page.path
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})) {
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throw new WIKI.Error.PageDeleteForbidden()
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}
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// -> Create version snapshot
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await WIKI.models.pageHistory.addVersion({
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...page,
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action: 'deleted'
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})
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// -> Delete page
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await WIKI.models.pages.query().delete().where('id', page.id)
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await WIKI.models.pages.deletePageFromCache(page)
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// -> Rebuild page tree
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await WIKI.models.pages.rebuildTree()
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// -> Delete from Search Index
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await WIKI.data.searchEngine.deleted(page)
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// -> Delete from Storage
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if (!opts.skipStorage) {
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await WIKI.models.storage.pageEvent({
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event: 'deleted',
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page
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})
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}
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// -> Reconnect Links
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await WIKI.models.pages.reconnectLinks({
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locale: page.localeCode,
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path: page.path,
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mode: 'delete'
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})
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}
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/**
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* Reconnect links to new/move/deleted page
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*
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* @param {Object} opts - Page parameters
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* @param {string} opts.path - Page Path
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* @param {string} opts.locale - Page Locale Code
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* @param {string} [opts.sourcePath] - Previous Page Path (move only)
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* @param {string} [opts.sourceLocale] - Previous Page Locale Code (move only)
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* @param {string} opts.mode - Page Update mode (create, move, delete)
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* @returns {Promise} Promise with no value
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*/
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static async reconnectLinks (opts) {
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const pageHref = `/${opts.locale}/${opts.path}`
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let replaceArgs = {
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from: '',
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to: ''
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}
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switch (opts.mode) {
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case 'create':
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replaceArgs.from = `<a href="${pageHref}" class="is-internal-link is-invalid-page">`
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replaceArgs.to = `<a href="${pageHref}" class="is-internal-link is-valid-page">`
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break
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case 'move':
|
|
const prevPageHref = `/${opts.sourceLocale}/${opts.sourcePath}`
|
|
replaceArgs.from = `<a href="${prevPageHref}" class="is-internal-link is-invalid-page">`
|
|
replaceArgs.to = `<a href="${pageHref}" class="is-internal-link is-valid-page">`
|
|
break
|
|
case 'delete':
|
|
replaceArgs.from = `<a href="${pageHref}" class="is-internal-link is-valid-page">`
|
|
replaceArgs.to = `<a href="${pageHref}" class="is-internal-link is-invalid-page">`
|
|
break
|
|
default:
|
|
return false
|
|
}
|
|
|
|
let affectedHashes = []
|
|
// -> Perform replace and return affected page hashes (POSTGRES, MSSQL only)
|
|
if (WIKI.config.db.type === 'postgres' || WIKI.config.db.type === 'mssql') {
|
|
affectedHashes = await WIKI.models.pages.query()
|
|
.returning('hash')
|
|
.patch({
|
|
render: WIKI.models.knex.raw('REPLACE(??, ?, ?)', ['render', replaceArgs.from, replaceArgs.to])
|
|
})
|
|
.whereIn('pages.id', function () {
|
|
this.select('pageLinks.pageId').from('pageLinks').where({
|
|
'pageLinks.path': opts.path,
|
|
'pageLinks.localeCode': opts.locale
|
|
})
|
|
})
|
|
.pluck('hash')
|
|
} else {
|
|
// -> Perform replace, then query affected page hashes (MYSQL, MARIADB, SQLITE only)
|
|
await WIKI.models.pages.query()
|
|
.patch({
|
|
render: WIKI.models.knex.raw('REPLACE(??, ?, ?)', ['render', replaceArgs.from, replaceArgs.to])
|
|
})
|
|
.whereIn('pages.id', function () {
|
|
this.select('pageLinks.pageId').from('pageLinks').where({
|
|
'pageLinks.path': opts.path,
|
|
'pageLinks.localeCode': opts.locale
|
|
})
|
|
})
|
|
affectedHashes = await WIKI.models.pages.query()
|
|
.column('hash')
|
|
.whereIn('pages.id', function () {
|
|
this.select('pageLinks.pageId').from('pageLinks').where({
|
|
'pageLinks.path': opts.path,
|
|
'pageLinks.localeCode': opts.locale
|
|
})
|
|
})
|
|
.pluck('hash')
|
|
}
|
|
for (const hash of affectedHashes) {
|
|
await WIKI.models.pages.deletePageFromCache({ hash })
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Rebuild page tree for new/updated/deleted page
|
|
*
|
|
* @returns {Promise} Promise with no value
|
|
*/
|
|
static async rebuildTree() {
|
|
const rebuildJob = await WIKI.scheduler.registerJob({
|
|
name: 'rebuild-tree',
|
|
immediate: true,
|
|
worker: true
|
|
})
|
|
return rebuildJob.finished
|
|
}
|
|
|
|
/**
|
|
* Trigger the rendering of a page
|
|
*
|
|
* @param {Object} page Page Model Instance
|
|
* @returns {Promise} Promise with no value
|
|
*/
|
|
static async renderPage(page) {
|
|
const renderJob = await WIKI.scheduler.registerJob({
|
|
name: 'render-page',
|
|
immediate: true,
|
|
worker: true
|
|
}, page.id)
|
|
return renderJob.finished
|
|
}
|
|
|
|
/**
|
|
* Fetch an Existing Page from Cache if possible, from DB otherwise and save render to Cache
|
|
*
|
|
* @param {Object} opts Page Properties
|
|
* @returns {Promise} Promise of the Page Model Instance
|
|
*/
|
|
static async getPage(opts) {
|
|
// -> Get from cache first
|
|
let page = await WIKI.models.pages.getPageFromCache(opts)
|
|
if (!page) {
|
|
// -> Get from DB
|
|
page = await WIKI.models.pages.getPageFromDb(opts)
|
|
if (page) {
|
|
if (page.render) {
|
|
// -> Save render to cache
|
|
await WIKI.models.pages.savePageToCache(page)
|
|
} else {
|
|
// -> No render? Possible duplicate issue
|
|
/* TODO: Detect duplicate and delete */
|
|
throw new Error('Error while fetching page. Duplicate entry detected. Reload the page to try again.')
|
|
}
|
|
}
|
|
}
|
|
return page
|
|
}
|
|
|
|
/**
|
|
* Fetch an Existing Page from the Database
|
|
*
|
|
* @param {Object} opts Page Properties
|
|
* @returns {Promise} Promise of the Page Model Instance
|
|
*/
|
|
static async getPageFromDb(opts) {
|
|
const queryModeID = _.isNumber(opts)
|
|
try {
|
|
return WIKI.models.pages.query()
|
|
.column([
|
|
'pages.*',
|
|
{
|
|
authorName: 'author.name',
|
|
authorEmail: 'author.email',
|
|
creatorName: 'creator.name',
|
|
creatorEmail: 'creator.email'
|
|
}
|
|
])
|
|
.joinRelation('author')
|
|
.joinRelation('creator')
|
|
.eagerAlgorithm(Model.JoinEagerAlgorithm)
|
|
.eager('tags(selectTags)', {
|
|
selectTags: builder => {
|
|
builder.select('tag', 'title')
|
|
}
|
|
})
|
|
.where(queryModeID ? {
|
|
'pages.id': opts
|
|
} : {
|
|
'pages.path': opts.path,
|
|
'pages.localeCode': opts.locale
|
|
})
|
|
// .andWhere(builder => {
|
|
// if (queryModeID) return
|
|
// builder.where({
|
|
// 'pages.isPublished': true
|
|
// }).orWhere({
|
|
// 'pages.isPublished': false,
|
|
// 'pages.authorId': opts.userId
|
|
// })
|
|
// })
|
|
// .andWhere(builder => {
|
|
// if (queryModeID) return
|
|
// if (opts.isPrivate) {
|
|
// builder.where({ 'pages.isPrivate': true, 'pages.privateNS': opts.privateNS })
|
|
// } else {
|
|
// builder.where({ 'pages.isPrivate': false })
|
|
// }
|
|
// })
|
|
.first()
|
|
} catch (err) {
|
|
WIKI.logger.warn(err)
|
|
throw err
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Save a Page Model Instance to Cache
|
|
*
|
|
* @param {Object} page Page Model Instance
|
|
* @returns {Promise} Promise with no value
|
|
*/
|
|
static async savePageToCache(page) {
|
|
const cachePath = path.join(process.cwd(), `data/cache/${page.hash}.bin`)
|
|
await fs.outputFile(cachePath, WIKI.models.pages.cacheSchema.encode({
|
|
id: page.id,
|
|
authorId: page.authorId,
|
|
authorName: page.authorName,
|
|
createdAt: page.createdAt,
|
|
creatorId: page.creatorId,
|
|
creatorName: page.creatorName,
|
|
description: page.description,
|
|
isPrivate: page.isPrivate === 1 || page.isPrivate === true,
|
|
isPublished: page.isPublished === 1 || page.isPublished === true,
|
|
publishEndDate: page.publishEndDate,
|
|
publishStartDate: page.publishStartDate,
|
|
render: page.render,
|
|
tags: page.tags.map(t => _.pick(t, ['tag', 'title'])),
|
|
title: page.title,
|
|
toc: _.isString(page.toc) ? page.toc : JSON.stringify(page.toc),
|
|
updatedAt: page.updatedAt
|
|
}))
|
|
}
|
|
|
|
/**
|
|
* Fetch an Existing Page from Cache
|
|
*
|
|
* @param {Object} opts Page Properties
|
|
* @returns {Promise} Promise of the Page Model Instance
|
|
*/
|
|
static async getPageFromCache(opts) {
|
|
const pageHash = pageHelper.generateHash({ path: opts.path, locale: opts.locale, privateNS: opts.isPrivate ? 'TODO' : '' })
|
|
const cachePath = path.join(process.cwd(), `data/cache/${pageHash}.bin`)
|
|
|
|
try {
|
|
const pageBuffer = await fs.readFile(cachePath)
|
|
let page = WIKI.models.pages.cacheSchema.decode(pageBuffer)
|
|
return {
|
|
...page,
|
|
path: opts.path,
|
|
localeCode: opts.locale,
|
|
isPrivate: opts.isPrivate
|
|
}
|
|
} catch (err) {
|
|
if (err.code === 'ENOENT') {
|
|
return false
|
|
}
|
|
WIKI.logger.error(err)
|
|
throw err
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Delete an Existing Page from Cache
|
|
*
|
|
* @param {Object} page Page Model Instance
|
|
* @param {string} page.hash Hash of the Page
|
|
* @returns {Promise} Promise with no value
|
|
*/
|
|
static async deletePageFromCache(page) {
|
|
return fs.remove(path.join(process.cwd(), `data/cache/${page.hash}.bin`))
|
|
}
|
|
|
|
/**
|
|
* Flush the contents of the Cache
|
|
*/
|
|
static async flushCache() {
|
|
return fs.emptyDir(path.join(process.cwd(), `data/cache`))
|
|
}
|
|
|
|
/**
|
|
* Migrate all pages from a source locale to the target locale
|
|
*
|
|
* @param {Object} opts Migration properties
|
|
* @param {string} opts.sourceLocale Source Locale Code
|
|
* @param {string} opts.targetLocale Target Locale Code
|
|
* @returns {Promise} Promise with no value
|
|
*/
|
|
static async migrateToLocale({ sourceLocale, targetLocale }) {
|
|
return WIKI.models.pages.query()
|
|
.patch({
|
|
localeCode: targetLocale
|
|
})
|
|
.where({
|
|
localeCode: sourceLocale
|
|
})
|
|
.whereNotExists(function() {
|
|
this.select('id').from('pages AS pagesm').where('pagesm.localeCode', targetLocale).andWhereRaw('pagesm.path = pages.path')
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Clean raw HTML from content for use in search engines
|
|
*
|
|
* @param {string} rawHTML Raw HTML
|
|
* @returns {string} Cleaned Content Text
|
|
*/
|
|
static cleanHTML(rawHTML = '') {
|
|
let data = striptags(rawHTML || '')
|
|
.replace(emojiRegex(), '')
|
|
// .replace(htmlEntitiesRegex, '')
|
|
return he.decode(data)
|
|
.replace(punctuationRegex, ' ')
|
|
.replace(/(\r\n|\n|\r)/gm, ' ')
|
|
.replace(/\s\s+/g, ' ')
|
|
.split(' ').filter(w => w.length > 1).join(' ').toLowerCase()
|
|
}
|
|
}
|