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)
}
if (args.tags && args.tags.length > 0) {
queryBuilder.whereIn('tags.tag', args.tags)
}
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) {
if (WIKI.auth.checkAccess(context.req.user, ['read:history'], {
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) {
return WIKI.models.tags.query().orderBy('tag', 'asc')
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},
/**
* SEARCH TAGS
*/
async searchTags (obj, args, context, info) {
const results = await WIKI.models.tags.query()
.column('tag')
.where(builder => {
builder.andWhere(builderSub => {
if (WIKI.config.db.type === 'postgres') {
builderSub.where('tag', 'ILIKE', `%${args.query}%`)
} else {
builderSub.where('tag', 'LIKE', `%${args.query}%`)
}
})
})
.limit(5)
return results.map(r => r.tag)
},
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/**
* FETCH PAGE TREE
*/
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async tree (obj, args, context, info) {
let results = []
let conds = {
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localeCode: args.locale
}
if (args.parent) {
conds.parent = (args.parent < 1) ? null : args.parent
} else if (args.path) {
// conds.parent = (args.parent < 1) ? null : args.parent
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}
switch (args.mode) {
case 'FOLDERS':
conds.isFolder = true
results = await WIKI.models.knex('pageTree').where(conds)
break
case 'PAGES':
await WIKI.models.knex('pageTree').where(conds).andWhereNotNull('pageId')
break
default:
results = await WIKI.models.knex('pageTree').where(conds)
break
}
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 = []
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
})
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
})) {
return page.updatedAt !== args.checkoutDate
} else {
throw new WIKI.Error.PageUpdateForbidden()
}
} 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({
tag: args.tag,
title: args.title
})
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()
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: {
// comments(pg) {
// return pg.$relatedQuery('comments')
// }
}
}