jprovaznik: Add `epic_show_app_data` and `epic_endpoint_query_params`

ee/app/helpers/epics_helper.rb

 module EpicsHelper
-  def epic_meta_data
-    author = @epic.author
+  def epic_show_app_data(epic, opts)
+    author = epic.author
+    group = epic.group
 
-    data = {
-      created: @epic.created_at,
+    epic_meta = {
+      created: epic.created_at,
       author: {
         name: author.name,
         url: user_path(author),
         username: "@#{author.username}",
-        src: avatar_icon_for_user(@epic.author)
+        src: opts[:author_icon]
       },
-      start_date: @epic.start_date,
-      end_date: @epic.end_date
+      start_date: epic.start_date,
+      end_date: epic.end_date
     }
 
-    data.to_json
+    {
+      initial: opts[:initial].merge(labels: epic.labels).to_json,
+      meta: epic_meta.to_json,
+      namespace: group.path,
+      labels_path: group_labels_path(group, format: :json, only_group_labels: true, include_ancestor_groups: true),
+      labels_web_url: group_labels_path(group),
+      epics_web_url: group_epics_path(group)
+    }
+  end
+
+  def epic_endpoint_query_params(opts)
+    opts[:data] ||= {}
+    opts[:data][:endpoint_query_params] = {
+        only_group_labels: true,
+        include_ancestor_groups: true,
+        include_descendant_groups: true
+    }.to_json
+
+    opts
   end
 end

ee/spec/helpers/epics_helper_spec.rb

@@ -3,18 +3,32 @@ require 'spec_helper'
 describe EpicsHelper do
   include ApplicationHelper
 
-  describe '#epic_meta_data' do
+  describe '#epic_show_app_data' do
     it 'returns the correct json' do
       user = create(:user)
       @epic = create(:epic, author: user)
 
-      expect(JSON.parse(epic_meta_data).keys).to match_array(%w[created author start_date end_date])
-      expect(JSON.parse(epic_meta_data)['author']).to eq({
+      data = epic_show_app_data(@epic, initial: {}, author_icon: 'icon_path')
+      meta_data = JSON.parse(data[:meta])
+
+      expected_keys = %i(initial meta namespace labels_path labels_web_url epics_web_url)
+      expect(data.keys).to match_array(expected_keys)
+      expect(meta_data.keys).to match_array(%w[created author start_date end_date])
+      expect(meta_data['author']).to eq({
         'name' => user.name,
         'url' => "/#{user.username}",
         'username' => "@#{user.username}",
-        'src' => "#{avatar_icon_for_user(user)}"
+        'src' => 'icon_path'
       })
     end
   end
+
+  describe '#epic_endpoint_query_params' do
+    it 'it includes epic specific options in JSON format' do
+      opts = epic_endpoint_query_params({})
+
+      expected = "{\"only_group_labels\":true,\"include_ancestor_groups\":true,\"include_descendant_groups\":true}"
+      expect(opts[:data][:endpoint_query_params]).to eq(expected)
+    end
+  end
 end