wikijs-fork/server/graph/resolvers/page.js

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const _ = require('lodash')
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const graphHelper = require('../../helpers/graph')
/* global WIKI */
module.exports = {
Query: {
async pages() { return {} }
},
Mutation: {
async pages() { return {} }
},
PageQuery: {
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/**
* PAGE HISTORY
*/
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async history(obj, args, context, info) {
const page = await WIKI.models.pages.query().select('path', 'localeCode').findById(args.id)
if (WIKI.auth.checkAccess(context.req.user, ['read:history'], {
path: page.path,
locale: page.localeCode
})) {
return WIKI.models.pageHistory.getHistory({
pageId: args.id,
offsetPage: args.offsetPage || 0,
offsetSize: args.offsetSize || 100
})
} else {
throw new WIKI.Error.PageHistoryForbidden()
}
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},
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/**
* PAGE VERSION
*/
async version(obj, args, context, info) {
const page = await WIKI.models.pages.query().select('path', 'localeCode').findById(args.pageId)
if (WIKI.auth.checkAccess(context.req.user, ['read:history'], {
path: page.path,
locale: page.localeCode
})) {
return WIKI.models.pageHistory.getVersion({
pageId: args.pageId,
versionId: args.versionId
})
} else {
throw new WIKI.Error.PageHistoryForbidden()
}
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},
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/**
* SEARCH PAGES
*/
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async search (obj, args, context) {
if (WIKI.data.searchEngine) {
const resp = await WIKI.data.searchEngine.query(args.query, args)
return {
...resp,
results: _.filter(resp.results, r => {
return WIKI.auth.checkAccess(context.req.user, ['read:pages'], {
path: r.path,
locale: r.locale
})
})
}
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} else {
return {
results: [],
suggestions: [],
totalHits: 0
}
}
},
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/**
* LIST PAGES
*/
async list (obj, args, context, info) {
let results = await WIKI.models.pages.query().column([
'pages.id',
'path',
{ locale: 'localeCode' },
'title',
'description',
'isPublished',
'isPrivate',
'privateNS',
'contentType',
'createdAt',
'updatedAt'
])
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.withGraphJoined('tags')
.modifyGraph('tags', builder => {
builder.select('tag')
})
.modify(queryBuilder => {
if (args.limit) {
queryBuilder.limit(args.limit)
}
if (args.locale) {
queryBuilder.where('localeCode', args.locale)
}
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if (args.creatorId && args.authorId && args.creatorId > 0 && args.authorId > 0) {
queryBuilder.where(function () {
this.where('creatorId', args.creatorId).orWhere('authorId', args.authorId)
})
} else {
if (args.creatorId && args.creatorId > 0) {
queryBuilder.where('creatorId', args.creatorId)
}
if (args.authorId && args.authorId > 0) {
queryBuilder.where('authorId', args.authorId)
}
}
if (args.tags && args.tags.length > 0) {
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queryBuilder.whereIn('tags.tag', args.tags.map(t => _.trim(t).toLowerCase()))
}
const orderDir = args.orderByDirection === 'DESC' ? 'desc' : 'asc'
switch (args.orderBy) {
case 'CREATED':
queryBuilder.orderBy('createdAt', orderDir)
break
case 'PATH':
queryBuilder.orderBy('path', orderDir)
break
case 'TITLE':
queryBuilder.orderBy('title', orderDir)
break
case 'UPDATED':
queryBuilder.orderBy('updatedAt', orderDir)
break
default:
queryBuilder.orderBy('pages.id', orderDir)
break
}
})
results = _.filter(results, r => {
return WIKI.auth.checkAccess(context.req.user, ['read:pages'], {
path: r.path,
locale: r.locale
})
}).map(r => ({
...r,
tags: _.map(r.tags, 'tag')
}))
if (args.tags && args.tags.length > 0) {
results = _.filter(results, r => _.every(args.tags, t => _.includes(r.tags, t)))
}
return results
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},
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/**
* FETCH SINGLE PAGE
*/
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async single (obj, args, context, info) {
let page = await WIKI.models.pages.getPageFromDb(args.id)
if (page) {
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if (WIKI.auth.checkAccess(context.req.user, ['manage:pages', 'delete:pages'], {
path: page.path,
locale: page.localeCode
})) {
return {
...page,
locale: page.localeCode,
editor: page.editorKey
}
} else {
throw new WIKI.Error.PageViewForbidden()
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}
} else {
throw new WIKI.Error.PageNotFound()
}
},
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/**
* FETCH TAGS
*/
async tags (obj, args, context, info) {
const pages = await WIKI.models.pages.query()
.column([
'path',
{ locale: 'localeCode' }
])
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.withGraphJoined('tags')
const allTags = _.filter(pages, r => {
return WIKI.auth.checkAccess(context.req.user, ['read:pages'], {
path: r.path,
locale: r.locale
})
}).flatMap(r => r.tags)
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return _.orderBy(_.uniqBy(allTags, 'id'), ['tag'], ['asc'])
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},
/**
* SEARCH TAGS
*/
async searchTags (obj, args, context, info) {
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const query = _.trim(args.query)
const pages = await WIKI.models.pages.query()
.column([
'path',
{ locale: 'localeCode' }
])
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.withGraphJoined('tags')
.modifyGraph('tags', builder => {
builder.select('tag')
})
.modify(queryBuilder => {
queryBuilder.andWhere(builderSub => {
if (WIKI.config.db.type === 'postgres') {
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builderSub.where('tags.tag', 'ILIKE', `%${query}%`)
} else {
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builderSub.where('tags.tag', 'LIKE', `%${query}%`)
}
})
})
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const allTags = _.filter(pages, r => {
return WIKI.auth.checkAccess(context.req.user, ['read:pages'], {
path: r.path,
locale: r.locale
})
}).flatMap(r => r.tags).map(t => t.tag)
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return _.uniq(allTags).slice(0, 5)
},
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/**
* FETCH PAGE TREE
*/
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async tree (obj, args, context, info) {
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let curPage = null
if (!args.locale) { args.locale = WIKI.config.lang.code }
if (args.path && !args.parent) {
curPage = await WIKI.models.knex('pageTree').first('parent', 'ancestors').where({
path: args.path,
localeCode: args.locale
})
if (curPage) {
args.parent = curPage.parent || 0
} else {
return []
}
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}
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const results = await WIKI.models.knex('pageTree').where(builder => {
builder.where('localeCode', args.locale)
switch (args.mode) {
case 'FOLDERS':
builder.andWhere('isFolder', true)
break
case 'PAGES':
builder.andWhereNotNull('pageId')
break
}
if (!args.parent || args.parent < 1) {
builder.whereNull('parent')
} else {
builder.where('parent', args.parent)
if (args.includeAncestors && curPage && curPage.ancestors.length > 0) {
builder.orWhereIn('id', _.isString(curPage.ancestors) ? JSON.parse(curPage.ancestors) : curPage.ancestors)
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}
}
}).orderBy([{ column: 'isFolder', order: 'desc' }, 'title'])
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return results.filter(r => {
return WIKI.auth.checkAccess(context.req.user, ['read:pages'], {
path: r.path,
locale: r.localeCode
})
}).map(r => ({
...r,
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parent: r.parent || 0,
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locale: r.localeCode
}))
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},
/**
* FETCH PAGE LINKS
*/
async links (obj, args, context, info) {
let results
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if (WIKI.config.db.type === 'mysql' || WIKI.config.db.type === 'mariadb' || WIKI.config.db.type === 'sqlite') {
results = await WIKI.models.knex('pages')
.column({ id: 'pages.id' }, { path: 'pages.path' }, 'title', { link: 'pageLinks.path' }, { locale: 'pageLinks.localeCode' })
.leftJoin('pageLinks', 'pages.id', 'pageLinks.pageId')
.where({
'pages.localeCode': args.locale
})
.unionAll(
WIKI.models.knex('pageLinks')
.column({ id: 'pages.id' }, { path: 'pages.path' }, 'title', { link: 'pageLinks.path' }, { locale: 'pageLinks.localeCode' })
.leftJoin('pages', 'pageLinks.pageId', 'pages.id')
.where({
'pages.localeCode': args.locale
})
)
} else {
results = await WIKI.models.knex('pages')
.column({ id: 'pages.id' }, { path: 'pages.path' }, 'title', { link: 'pageLinks.path' }, { locale: 'pageLinks.localeCode' })
.fullOuterJoin('pageLinks', 'pages.id', 'pageLinks.pageId')
.where({
'pages.localeCode': args.locale
})
}
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return _.reduce(results, (result, val) => {
// -> Check if user has access to source and linked page
if (
!WIKI.auth.checkAccess(context.req.user, ['read:pages'], { path: val.path, locale: args.locale }) ||
!WIKI.auth.checkAccess(context.req.user, ['read:pages'], { path: val.link, locale: val.locale })
) {
return result
}
const existingEntry = _.findIndex(result, ['id', val.id])
if (existingEntry >= 0) {
if (val.link) {
result[existingEntry].links.push(`${val.locale}/${val.link}`)
}
} else {
result.push({
id: val.id,
title: val.title,
path: `${args.locale}/${val.path}`,
links: val.link ? [`${val.locale}/${val.link}`] : []
})
}
return result
}, [])
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},
/**
* CHECK FOR EDITING CONFLICT
*/
async checkConflicts (obj, args, context, info) {
let page = await WIKI.models.pages.query().select('path', 'localeCode', 'updatedAt').findById(args.id)
if (page) {
if (WIKI.auth.checkAccess(context.req.user, ['write:pages', 'manage:pages'], {
path: page.path,
locale: page.localeCode
})) {
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return page.updatedAt > args.checkoutDate
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} else {
throw new WIKI.Error.PageUpdateForbidden()
}
} else {
throw new WIKI.Error.PageNotFound()
}
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},
/**
* FETCH LATEST VERSION FOR CONFLICT COMPARISON
*/
async conflictLatest (obj, args, context, info) {
let page = await WIKI.models.pages.getPageFromDb(args.id)
if (page) {
if (WIKI.auth.checkAccess(context.req.user, ['write:pages', 'manage:pages'], {
path: page.path,
locale: page.localeCode
})) {
return {
...page,
tags: page.tags.map(t => t.tag),
locale: page.localeCode
}
} else {
throw new WIKI.Error.PageViewForbidden()
}
} else {
throw new WIKI.Error.PageNotFound()
}
}
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},
PageMutation: {
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/**
* CREATE PAGE
*/
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async create(obj, args, context) {
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try {
const page = await WIKI.models.pages.createPage({
...args,
user: context.req.user
})
return {
responseResult: graphHelper.generateSuccess('Page created successfully.'),
page
}
} catch (err) {
return graphHelper.generateError(err)
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}
},
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/**
* UPDATE PAGE
*/
async update(obj, args, context) {
try {
const page = await WIKI.models.pages.updatePage({
...args,
user: context.req.user
})
return {
responseResult: graphHelper.generateSuccess('Page has been updated.'),
page
}
} catch (err) {
return graphHelper.generateError(err)
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}
},
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/**
* MOVE PAGE
*/
async move(obj, args, context) {
try {
await WIKI.models.pages.movePage({
...args,
user: context.req.user
})
return {
responseResult: graphHelper.generateSuccess('Page has been moved.')
}
} catch (err) {
return graphHelper.generateError(err)
}
},
/**
* DELETE PAGE
*/
async delete(obj, args, context) {
try {
await WIKI.models.pages.deletePage({
...args,
user: context.req.user
})
return {
responseResult: graphHelper.generateSuccess('Page has been deleted.')
}
} catch (err) {
return graphHelper.generateError(err)
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}
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},
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/**
* DELETE TAG
*/
async deleteTag (obj, args, context) {
try {
const tagToDel = await WIKI.models.tags.query().findById(args.id)
if (tagToDel) {
await tagToDel.$relatedQuery('pages').unrelate()
await WIKI.models.tags.query().deleteById(args.id)
} else {
throw new Error('This tag does not exist.')
}
return {
responseResult: graphHelper.generateSuccess('Tag has been deleted.')
}
} catch (err) {
return graphHelper.generateError(err)
}
},
/**
* UPDATE TAG
*/
async updateTag (obj, args, context) {
try {
const affectedRows = await WIKI.models.tags.query()
.findById(args.id)
.patch({
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tag: _.trim(args.tag).toLowerCase(),
title: _.trim(args.title)
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})
if (affectedRows < 1) {
throw new Error('This tag does not exist.')
}
return {
responseResult: graphHelper.generateSuccess('Tag has been updated successfully.')
}
} catch (err) {
return graphHelper.generateError(err)
}
},
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/**
* FLUSH PAGE CACHE
*/
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async flushCache(obj, args, context) {
try {
await WIKI.models.pages.flushCache()
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WIKI.events.outbound.emit('flushCache')
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return {
responseResult: graphHelper.generateSuccess('Pages Cache has been flushed successfully.')
}
} catch (err) {
return graphHelper.generateError(err)
}
},
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/**
* MIGRATE ALL PAGES FROM SOURCE LOCALE TO TARGET LOCALE
*/
async migrateToLocale(obj, args, context) {
try {
const count = await WIKI.models.pages.migrateToLocale(args)
return {
responseResult: graphHelper.generateSuccess('Migrated content to target locale successfully.'),
count
}
} catch (err) {
return graphHelper.generateError(err)
}
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},
/**
* REBUILD TREE
*/
async rebuildTree(obj, args, context) {
try {
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await WIKI.models.pages.rebuildTree()
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return {
responseResult: graphHelper.generateSuccess('Page tree rebuilt successfully.')
}
} catch (err) {
return graphHelper.generateError(err)
}
},
/**
* RENDER PAGE
*/
async render (obj, args, context) {
try {
const page = await WIKI.models.pages.query().findById(args.id)
if (!page) {
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throw new WIKI.Error.PageNotFound()
}
await WIKI.models.pages.renderPage(page)
return {
responseResult: graphHelper.generateSuccess('Page rendered successfully.')
}
} catch (err) {
return graphHelper.generateError(err)
}
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},
/**
* RESTORE PAGE VERSION
*/
async restore (obj, args, context) {
try {
const page = await WIKI.models.pages.query().select('path', 'localeCode').findById(args.pageId)
if (!page) {
throw new WIKI.Error.PageNotFound()
}
if (!WIKI.auth.checkAccess(context.req.user, ['write:pages'], {
path: page.path,
locale: page.localeCode
})) {
throw new WIKI.Error.PageRestoreForbidden()
}
const targetVersion = await WIKI.models.pageHistory.getVersion({ pageId: args.pageId, versionId: args.versionId })
if (!targetVersion) {
throw new WIKI.Error.PageNotFound()
}
await WIKI.models.pages.updatePage({
...targetVersion,
id: targetVersion.pageId,
user: context.req.user,
action: 'restored'
})
return {
responseResult: graphHelper.generateSuccess('Page version restored successfully.')
}
} catch (err) {
return graphHelper.generateError(err)
}
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}
},
Page: {
async tags (obj) {
return await WIKI.models.pages.relatedQuery('tags').for(obj.id)
}
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// comments(pg) {
// return pg.$relatedQuery('comments')
// }
}
}