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wiki/server/models/pageHistory.js

182 lines
4.5 KiB

const Model = require('objection').Model
const _ = require('lodash')
/* global WIKI */
/**
* Page History model
*/
module.exports = class PageHistory extends Model {
static get tableName() { return 'pageHistory' }
static get jsonSchema () {
return {
type: 'object',
required: ['path', 'title'],
properties: {
id: {type: 'integer'},
path: {type: 'string'},
hash: {type: 'string'},
title: {type: 'string'},
description: {type: 'string'},
isPublished: {type: 'boolean'},
publishStartDate: {type: 'string'},
publishEndDate: {type: 'string'},
content: {type: 'string'},
contentType: {type: 'string'},
createdAt: {type: 'string'}
}
}
}
static get relationMappings() {
return {
tags: {
relation: Model.ManyToManyRelation,
modelClass: require('./tags'),
join: {
from: 'pageHistory.id',
through: {
from: 'pageHistoryTags.pageId',
to: 'pageHistoryTags.tagId'
},
to: 'tags.id'
}
},
page: {
relation: Model.BelongsToOneRelation,
modelClass: require('./pages'),
join: {
from: 'pageHistory.pageId',
to: 'pages.id'
}
},
author: {
relation: Model.BelongsToOneRelation,
modelClass: require('./users'),
join: {
from: 'pageHistory.authorId',
to: 'users.id'
}
},
editor: {
relation: Model.BelongsToOneRelation,
modelClass: require('./editors'),
join: {
from: 'pageHistory.editorKey',
to: 'editors.key'
}
},
locale: {
relation: Model.BelongsToOneRelation,
modelClass: require('./locales'),
join: {
from: 'pageHistory.localeCode',
to: 'locales.code'
}
}
}
}
$beforeInsert() {
this.createdAt = new Date().toISOString()
}
static async addVersion(opts) {
await WIKI.models.pageHistory.query().insert({
pageId: opts.id,
authorId: opts.authorId,
content: opts.content,
contentType: opts.contentType,
description: opts.description,
editorKey: opts.editorKey,
hash: opts.hash,
isPrivate: opts.isPrivate,
isPublished: opts.isPublished,
localeCode: opts.localeCode,
path: opts.path,
publishEndDate: opts.publishEndDate || '',
publishStartDate: opts.publishStartDate || '',
title: opts.title,
action: opts.action || 'updated'
})
}
static async getHistory({ pageId, offsetPage = 0, offsetSize = 100 }) {
const history = await WIKI.models.pageHistory.query()
.column([
'pageHistory.id',
'pageHistory.path',
'pageHistory.authorId',
'pageHistory.action',
'pageHistory.createdAt',
{
authorName: 'author.name'
}
])
.joinRelation('author')
.where({
'pageHistory.pageId': pageId
})
.orderBy('pageHistory.createdAt', 'desc')
.page(offsetPage, offsetSize)
let prevPh = null
const upperLimit = (offsetPage + 1) * offsetSize
if (history.total >= upperLimit) {
prevPh = await WIKI.models.pageHistory.query()
.column([
'pageHistory.id',
'pageHistory.path',
'pageHistory.authorId',
'pageHistory.action',
'pageHistory.createdAt',
{
authorName: 'author.name'
}
])
.joinRelation('author')
.where({
'pageHistory.pageId': pageId
})
.orderBy('pageHistory.createdAt', 'desc')
.offset((offsetPage + 1) * offsetSize)
.limit(1)
.first()
}
return {
trail: _.reduce(_.reverse(history.results), (res, ph) => {
let actionType = 'edit'
let valueBefore = null
let valueAfter = null
if (!prevPh && history.total < upperLimit) {
actionType = 'initial'
} else if (_.get(prevPh, 'path', '') !== ph.path) {
actionType = 'move'
valueBefore = _.get(prevPh, 'path', '')
valueAfter = ph.path
}
res.unshift({
versionId: ph.id,
authorId: ph.authorId,
authorName: ph.authorName,
actionType,
valueBefore,
valueAfter,
createdAt: ph.createdAt
})
prevPh = ph
return res
}, []),
total: history.total
}
}
}