1 files changed, 29 insertions, 15 deletions
diff --git a/app/scripts/notice-controller.js b/app/scripts/notice-controller.js
index 57aad40c5..db2b8c4f4 100644
--- a/app/scripts/notice-controller.js
+++ b/app/scripts/notice-controller.js
@@ -1,13 +1,17 @@
 const EventEmitter = require('events').EventEmitter
+const semver = require('semver')
 const extend = require('xtend')
 const ObservableStore = require('obs-store')
 const hardCodedNotices = require('../../notices/notices.json')
+const uniqBy = require('lodash.uniqby')
 
 module.exports = class NoticeController extends EventEmitter {
 
   constructor (opts) {
     super()
     this.noticePoller = null
+    this.firstVersion = opts.firstVersion
+    this.version = opts.version
     const initState = extend({
       noticesList: [],
     }, opts.initState)
@@ -30,9 +34,9 @@ module.exports = class NoticeController extends EventEmitter {
     return unreadNotices[unreadNotices.length - 1]
   }
 
-  setNoticesList (noticesList) {
+  async setNoticesList (noticesList) {
     this.store.updateState({ noticesList })
-    return Promise.resolve(true)
+    return true
   }
 
   markNoticeRead (noticeToMark, cb) {
@@ -50,12 +54,14 @@ module.exports = class NoticeController extends EventEmitter {
     }
   }
 
-  updateNoticesList () {
-    return this._retrieveNoticeData().then((newNotices) => {
-      var oldNotices = this.getNoticesList()
-      var combinedNotices = this._mergeNotices(oldNotices, newNotices)
-      return Promise.resolve(this.setNoticesList(combinedNotices))
-    })
+  async updateNoticesList () {
+    const newNotices = await this._retrieveNoticeData()
+    const oldNotices = this.getNoticesList()
+    const combinedNotices = this._mergeNotices(oldNotices, newNotices)
+    const filteredNotices = this._filterNotices(combinedNotices)
+    const result = this.setNoticesList(filteredNotices)
+    this._updateMemstore()
+    return result
   }
 
   startPolling () {
@@ -68,22 +74,30 @@ module.exports = class NoticeController extends EventEmitter {
   }
 
   _mergeNotices (oldNotices, newNotices) {
-    var noticeMap = this._mapNoticeIds(oldNotices)
-    newNotices.forEach((notice) => {
-      if (noticeMap.indexOf(notice.id) === -1) {
-        oldNotices.push(notice)
+    return uniqBy(oldNotices.concat(newNotices), 'id')
+  }
+
+  _filterNotices(notices) {
+    return notices.filter((newNotice) => {
+      if ('version' in newNotice) {
+        const satisfied = semver.satisfies(this.version, newNotice.version)
+        return satisfied
+      }
+      if ('firstVersion' in newNotice) {
+        const satisfied = semver.satisfies(this.firstVersion, newNotice.firstVersion)
+        return satisfied
       }
+      return true
     })
-    return oldNotices
   }
 
   _mapNoticeIds (notices) {
     return notices.map((notice) => notice.id)
   }
 
-  _retrieveNoticeData () {
+  async _retrieveNoticeData () {
     // Placeholder for the API.
-    return Promise.resolve(hardCodedNotices)
+    return hardCodedNotices
   }
 
   _updateMemstore () {