Standardised the output of the JSON to always include the name

The frontend will then always use the name as the ID - like previous

app/assets/javascripts/milestone_select.js.coffee

@@ -50,19 +50,22 @@ class @MilestoneSelect
             extraOptions = []
             if showAny
               extraOptions.push(
-                isAny: true
+                id: 0
+                name: ''
                 title: 'Any Milestone'
               )
 
             if showNo
               extraOptions.push(
-                id: '0'
+                id: -1
+                name: 'No Milestone'
                 title: 'No Milestone'
               )
 
             if showUpcoming
               extraOptions.push(
-                id: '#upcoming'
+                id: -2
+                name: '#upcoming'
                 title: 'Upcoming'
               )
 >>>>>>> Updated to only include upcoming on filters
@@ -84,14 +87,11 @@ class @MilestoneSelect
           milestone.title
         id: (milestone) ->
           if !useId
-            if !milestone.isAny?
-              milestone.title
-            else
-              ''
+            milestone.name
           else
             milestone.id
         isSelected: (milestone) ->
-          milestone.title is selectedMilestone
+          milestone.name is selectedMilestone
         hidden: ->
           $selectbox.hide()
           $value.show()
@@ -99,8 +99,10 @@ class @MilestoneSelect
           if $dropdown.hasClass 'js-filter-bulk-update'
             return
 
-          if $dropdown.hasClass 'js-filter-submit'
-            if selected.title?
+          if $dropdown.hasClass('js-filter-submit') and (isIssueIndex or isMRIndex)
+            if selected.name?
+              selectedMilestone = selected.name
+            else if selected.title?
               selectedMilestone = selected.title
             $dropdown.parents('form').submit()
           else

app/controllers/projects/milestones_controller.rb

@@ -24,7 +24,7 @@ class Projects::MilestonesController < Projects::ApplicationController
         @milestones = @milestones.page(params[:page])
       end
       format.json do
-        render json: @milestones
+        render json: @milestones.to_json(methods: :name)
       end
     end
   end

app/finders/issuable_finder.rb

@@ -243,7 +243,7 @@ class IssuableFinder
   end
 
   def filter_by_upcoming_milestone?
-    params[:milestone_title] == 'Upcoming'
+    params[:milestone_title] == Milestone::Upcoming.name
   end
 
   def by_milestone(items)

app/helpers/issuables_helper.rb

@@ -47,6 +47,20 @@ module IssuablesHelper
     end
   end
 
+  def milestone_dropdown_label(milestone_title, default_label)
+    milestone_title = if milestone_title == Milestone::Upcoming.name
+      Milestone::Upcoming.title
+    else
+      milestone_title
+    end
+
+    if !milestone_title.nil? && !milestone_title.empty?
+      h(milestone_title)
+    else
+      default_label
+    end
+  end
+
   private
 
   def sidebar_gutter_collapsed?

app/models/global_milestone.rb

@@ -14,6 +14,7 @@ class GlobalMilestone
 
   def initialize(title, milestones)
     @title = title
+    @name = title
     @milestones = milestones
   end
 

app/views/shared/issuable/_milestone_dropdown.html.haml

 - if params[:milestone_title]
   = hidden_field_tag(:milestone_title, params[:milestone_title])
-= dropdown_tag(h(params[:milestone_title].presence || "Milestone"), options: { title: "Filter by milestone", toggle_class: 'js-milestone-select js-filter-submit', filter: true, dropdown_class: "dropdown-menu-selectable",
+= dropdown_tag(milestone_dropdown_label(params[:milestone_title], "Milestone"), options: { title: "Filter by milestone", toggle_class: 'js-milestone-select js-filter-submit', filter: true, dropdown_class: "dropdown-menu-selectable",
   placeholder: "Search milestones", footer_content: @project.present?, data: { show_no: true, show_any: true, show_upcoming: true, field_name: "milestone_title", selected: params[:milestone_title], project_id: @project.try(:id), milestones: milestones_filter_dropdown_path, default_label: "Milestone" } }) do
   - if @project
     %ul.dropdown-footer-list