Move current issue board serialization to core

app/helpers/boards_helper.rb

@@ -99,8 +99,12 @@ module BoardsHelper
     recent_project_boards_path(@project) if current_board_parent.is_a?(Project)
   end
 
+  def serializer
+    CurrentBoardSerializer.new
+  end
+
   def current_board_json
-    board.to_json
+    serializer.represent(board).as_json
   end
 end
 

ee/app/serializers/current_board_entity.rb → app/serializers/current_board_entity.rb

@@ -3,10 +3,6 @@
 class CurrentBoardEntity < Grape::Entity
   expose :id
   expose :name
-  expose :milestone_id
-  expose :weight
-  expose :label_ids
-  expose :milestone, using: BoardMilestoneEntity
-  expose :assignee, using: BoardAssigneeEntity
-  expose :labels, using: BoardLabelEntity
 end
+
+CurrentBoardEntity.prepend(EE::CurrentBoardEntity)

ee/app/helpers/ee/boards_helper.rb

@@ -4,10 +4,6 @@ module EE
   module BoardsHelper
     extend ::Gitlab::Utils::Override
 
-    def parent
-      @group || @project
-    end
-
     override :board_list_data
     def board_list_data
       super.merge(list_milestone_path: board_milestones_path(board, :json),
@@ -21,44 +17,27 @@ module EE
                                  !@project.feature_available?(:issue_board_focus_mode)))
 
       data = {
-        recent_boards_endpoint: recent_boards_path,
         board_milestone_title: board.milestone&.name,
         board_milestone_id: board.milestone_id,
         board_assignee_username: board.assignee&.username,
         label_ids: board.label_ids,
         labels: board.labels.to_json(only: [:id, :title, :color, :text_color] ),
         board_weight: board.weight,
-        focus_mode_available: parent.feature_available?(:issue_board_focus_mode),
-        weight_feature_available: parent.feature_available?(:issue_weights).to_s,
+        focus_mode_available: current_board_parent.feature_available?(:issue_board_focus_mode),
+        weight_feature_available: current_board_parent.feature_available?(:issue_weights).to_s,
         show_promotion: show_feature_promotion,
-        scoped_labels: parent.feature_available?(:scoped_labels)&.to_s,
+        scoped_labels: current_board_parent.feature_available?(:scoped_labels)&.to_s,
         scoped_labels_documentation_link: help_page_path('user/project/labels.md', anchor: 'scoped-labels')
       }
 
       super.merge(data)
     end
 
+    override :recent_boards_path
     def recent_boards_path
-      parent.is_a?(Group) ? recent_group_boards_path(@group) : recent_project_boards_path(@project)
-    end
-
-    def serializer
-      CurrentBoardSerializer.new
-    end
-
-    def current_board
-      board = @board || @boards.first
-
-      serializer.represent(board).as_json
-    end
+      return recent_group_boards_path(@group) if current_board_parent.is_a?(Group)
 
-    override :boards_link_text
-    def boards_link_text
-      if parent.multiple_issue_boards_available?
-        s_("IssueBoards|Boards")
-      else
-        s_("IssueBoards|Board")
-      end
+      super
     end
   end
 end

ee/app/serializers/ee/current_board_entity.rb

+# frozen_string_literal: true
+module EE
+  module CurrentBoardEntity
+    extend ActiveSupport::Concern
+
+    prepended do
+      expose :milestone_id
+      expose :weight
+      expose :label_ids
+      expose :milestone, using: BoardMilestoneEntity
+      expose :assignee, using: BoardAssigneeEntity
+      expose :labels, using: BoardLabelEntity
+    end
+  end
+end

ee/app/views/shared/boards/_switcher.html.haml

@@ -2,7 +2,7 @@
 - milestone_filter_opts = { format: :json }
 - milestone_filter_opts = milestone_filter_opts.merge(only_group_milestones: true) if board.group_board?
 
-#js-multiple-boards-switcher.inline.boards-switcher{ data: { current_board: current_board.to_json,
+#js-multiple-boards-switcher.inline.boards-switcher{ data: { current_board: current_board_json.to_json,
     milestone_path: milestones_filter_path(milestone_filter_opts),
     board_base_url: board_base_url,
     has_missing_boards: (!multiple_boards_available? && current_board_parent.boards.size > 1).to_s,

ee/spec/helpers/boards_helper_spec.rb

@@ -16,8 +16,8 @@ describe BoardsHelper do
     end
   end
 
-  describe '#current_board' do
-    let(:board_json) { helper.current_board }
+  describe '#current_board_json' do
+    let(:board_json) { helper.current_board_json }
     let(:user) { create(:user) }
     let(:label1) { create(:label, name: "feijoa") }
     let(:label2) { create(:label, name: "pineapple") }
@@ -29,12 +29,5 @@ describe BoardsHelper do
 
       expect(board_json).to match_schema('current-board', dir: 'ee')
     end
-
-    it 'can serialise with a basic set of attributes' do
-      board = create(:board, project: project)
-      assign(:board, board)
-
-      expect(board_json).to match_schema('current-board', dir: 'ee')
-    end
   end
 end

spec/fixtures/api/schemas/current-board.json

+{
+  "type": "object",
+  "allOf": [
+    { "$ref": "board.json" },
+    {
+      "required" : [
+        "id",
+        "name"
+      ],
+      "properties": {
+        "id": { "type": "integer" },
+        "name": { "type": "string" }
+      }
+    }
+  ]
+}

spec/helpers/boards_helper_spec.rb

 require 'spec_helper'
 
 describe BoardsHelper do
+  set(:project) { create(:project) }
+
   describe '#build_issue_link_base' do
     context 'project board' do
       it 'returns correct path for project board' do
-        @project = create(:project)
+        @project = project
         @board = create(:board, project: @project)
 
         expect(build_issue_link_base).to eq("/#{@project.namespace.path}/#{@project.path}/issues")
@@ -31,7 +33,6 @@ describe BoardsHelper do
 
   describe '#board_data' do
     let(:user) { create(:user) }
-    let(:project) { create(:project) }
     let(:board) { create(:board, project: project) }
 
     before do
@@ -46,4 +47,15 @@ describe BoardsHelper do
       expect(helper.board_data[:lists_endpoint]).to eq(board_lists_path(board))
     end
   end
+
+  describe '#current_board_json' do
+    let(:board_json) { helper.current_board_json }
+
+    it 'can serialise with a basic set of attributes' do
+      board = create(:board, project: project)
+      assign(:board, board)
+
+      expect(board_json).to match_schema('current-board')
+    end
+  end
 end