From cc154fc47b4ae2c81d9b8d92d725b4a082ed7727 Mon Sep 17 00:00:00 2001
From: Phil Hughes <me@iamphill.com>
Date: Fri, 1 Jul 2016 15:03:36 +0100
Subject: [PATCH] Cache autocomplete results

---
 app/assets/javascripts/gfm_auto_complete.js.coffee | 7 +++++--
 app/views/layouts/_init_auto_complete.html.haml    | 1 +
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/app/assets/javascripts/gfm_auto_complete.js.coffee b/app/assets/javascripts/gfm_auto_complete.js.coffee
index 190bb38504c..b7d040bae85 100644
--- a/app/assets/javascripts/gfm_auto_complete.js.coffee
+++ b/app/assets/javascripts/gfm_auto_complete.js.coffee
@@ -4,7 +4,7 @@ window.GitLab ?= {}
 GitLab.GfmAutoComplete =
   dataLoading: false
   dataLoaded: false
-
+  cachedData: {}
   dataSource: ''
 
   # Emoji
@@ -55,7 +55,7 @@ GitLab.GfmAutoComplete =
     @setupAtWho()
 
     if @dataSource
-      if !@dataLoading
+      if not @dataLoading and not @cachedData
         @dataLoading = true
 
         # We should wait until initializations are done
@@ -70,6 +70,8 @@ GitLab.GfmAutoComplete =
             @loadData(data)
         , 1000)
 
+      if @cachedData?
+        @loadData(@cachedData)
 
   setupAtWho: ->
     # Emoji
@@ -205,6 +207,7 @@ GitLab.GfmAutoComplete =
     $.getJSON(dataSource)
 
   loadData: (data) ->
+    @cachedData = data
     @dataLoaded = true
 
     # load members
diff --git a/app/views/layouts/_init_auto_complete.html.haml b/app/views/layouts/_init_auto_complete.html.haml
index 96b38485425..12e7ed0e792 100644
--- a/app/views/layouts/_init_auto_complete.html.haml
+++ b/app/views/layouts/_init_auto_complete.html.haml
@@ -3,4 +3,5 @@
 - if @noteable
   :javascript
     GitLab.GfmAutoComplete.dataSource = "#{autocomplete_sources_namespace_project_path(project.namespace, project, type: @noteable.class, type_id: params[:id])}"
+    GitLab.GfmAutoComplete.cachedData = undefined;
     GitLab.GfmAutoComplete.setup();