feat: source + history (wip)

server/controllers/common.js

@@ -46,11 +46,11 @@ router.get(['/p', '/p/*'], (req, res, next) => {
 })
 
 /**
- * View document
+ * History
  */
 router.get(['/h', '/h/*'], async (req, res, next) => {
   const pageArgs = pageHelper.parsePath(req.path)
-  const page = await WIKI.models.pages.getPage({
+  const page = await WIKI.models.pages.getPageFromDb({
     path: pageArgs.path,
     locale: pageArgs.locale,
     userId: req.user.id,
@@ -63,6 +63,24 @@ router.get(['/h', '/h/*'], async (req, res, next) => {
   }
 })
 
+/**
+ * Source
+ */
+router.get(['/s', '/s/*'], async (req, res, next) => {
+  const pageArgs = pageHelper.parsePath(req.path)
+  const page = await WIKI.models.pages.getPageFromDb({
+    path: pageArgs.path,
+    locale: pageArgs.locale,
+    userId: req.user.id,
+    isPrivate: false
+  })
+  if (page) {
+    res.render('source', { page })
+  } else {
+    res.redirect(`/${pageArgs.path}`)
+  }
+})
+
 /**
  * View document
  */

server/graph/resolvers/page.js

@@ -10,6 +10,12 @@ module.exports = {
     async pages() { return {} }
   },
   PageQuery: {
+    async history(obj, args, context, info) {
+      return WIKI.models.pageHistory.getHistory({
+        pageId: args.id,
+        offset: args.offset || 0
+      })
+    },
     async list(obj, args, context, info) {
       return WIKI.models.pages.query().select(
         'pages.*',

server/graph/schemas/page.graphql

@@ -15,6 +15,11 @@ extend type Mutation {
 # -----------------------------------------------
 
 type PageQuery {
+  history(
+    id: Int!
+    offset: Int
+  ): [PageHistory]
+
   list(
     filter: String
     orderBy: String
@@ -92,3 +97,13 @@ type Page {
   createdAt: Date!
   updatedAt: Date!
 }
+
+type PageHistory {
+  versionId: Int!
+  authorId: Int!
+  authorName: String!
+  actionType: String!
+  valueBefore: String
+  valueAfter: String
+  createdAt: Date!
+}

server/models/pageHistory.js

@@ -1,4 +1,5 @@
 const Model = require('objection').Model
+const _ = require('lodash')
 
 /* global WIKI */
 
@@ -101,4 +102,53 @@ module.exports = class PageHistory extends Model {
       title: opts.title
     })
   }
+
+  static async getHistory({ pageId, offset = 0 }) {
+    const history = await WIKI.models.pageHistory.query()
+      .column([
+        'pageHistory.id',
+        'pageHistory.path',
+        'pageHistory.authorId',
+        'pageHistory.createdAt',
+        {
+          authorName: 'author.name'
+        }
+      ])
+      .joinRelation('author')
+      .where({
+        'pageHistory.pageId': pageId
+      })
+      .orderBy('pageHistory.createdAt', 'asc')
+      .offset(offset)
+      .limit(20)
+
+    let prevPh = null
+
+    return _.reduce(history, (res, ph) => {
+      let actionType = 'edit'
+      let valueBefore = null
+      let valueAfter = null
+
+      if (!prevPh && offset === 0) {
+        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
+    }, [])
+  }
 }

server/models/pages.js

@@ -197,7 +197,7 @@ module.exports = class Page extends Model {
   }
 
   static async getPageFromDb(opts) {
-    const page = await WIKI.models.pages.query()
+    return WIKI.models.pages.query()
       .column([
         'pages.*',
         {
@@ -227,7 +227,6 @@ module.exports = class Page extends Model {
         }
       })
       .first()
-    return page
   }
 
   static async savePageToCache(page) {

server/views/history.pug

@@ -5,7 +5,8 @@ block head
 block body
   #root
     history(
-      id=page.id
+      :page-id=page.id
       locale=page.localeCode
       path=page.path
+      live-content=page.content
       )

server/views/source.pug

@@ -0,0 +1,11 @@
+extends master.pug
+
+block head
+
+block body
+  #root
+    page-source(
+      page-id=page.id
+      locale=page.localeCode
+      path=page.path
+      )= page.content