Refactor groups and projects boards actions

Move common functionality to BoardsActions concern

app/controllers/concerns/boards_actions.rb

+# frozen_string_literal: true
+
+module BoardsActions
+  include Gitlab::Utils::StrongMemoize
+  extend ActiveSupport::Concern
+
+  included do
+    include BoardsResponses
+
+    before_action :redirect_to_recent_board, only: :index
+    before_action :boards, only: :index
+    before_action :board, only: :show
+  end
+
+  def index
+    respond_with_boards
+  end
+
+  def show
+    # Add / update the board in the recent visits table
+    Boards::Visits::CreateService.new(parent, current_user).execute(board) if request.format.html?
+
+    respond_with_board
+  end
+
+  private
+
+  def redirect_to_recent_board
+    return if request.format.json?
+
+    if recently_visited = Boards::Visits::LatestService.new(board_parent, current_user).execute
+      board_path = case board_parent
+                   when Project
+                     namespace_project_board_path(id: recently_visited.board_id)
+                   when Group
+                     group_board_path(id: recently_visited.board_id)
+                   end
+
+      redirect_to board_path
+    end
+  end
+
+  def boards
+    strong_memoize(:boards) do
+      Boards::ListService.new(parent, current_user).execute
+    end
+  end
+
+  def board
+    strong_memoize(:board) do
+      boards.find(params[:id])
+    end
+  end
+end

app/controllers/groups/boards_controller.rb

 # frozen_string_literal: true
 
 class Groups::BoardsController < Groups::ApplicationController
-  include BoardsResponses
+  include BoardsActions
   include RecordUserLastActivity
 
   before_action :assign_endpoint_vars
-  before_action :boards, only: :index
-  before_action :redirect_to_recent_board, only: :index
-
-  def index
-    respond_with_boards
-  end
-
-  def show
-    @board = boards.find(params[:id])
-
-    # add/update the board in the recent visited table
-    Boards::Visits::CreateService.new(@board.group, current_user).execute(@board) if request.format.html?
-
-    respond_with_board
-  end
 
   private
 
-  def boards
-    @boards ||= Boards::ListService.new(group, current_user).execute
-  end
-
   def assign_endpoint_vars
     @boards_endpoint = group_boards_url(group)
     @namespace_path = group.to_param
     @labels_endpoint = group_labels_url(group)
   end
-
-  def serialize_as_json(resource)
-    resource.as_json(only: [:id])
-  end
-
-  def includes_board?(board_id)
-    boards.any? { |board| board.id == board_id }
-  end
-
-  def redirect_to_recent_board
-    return if request.format.json?
-
-    recently_visited = Boards::Visits::LatestService.new(group, current_user).execute
-
-    if recently_visited && includes_board?(recently_visited.board_id)
-      redirect_to(group_board_path(id: recently_visited.board_id), status: :found)
-    end
-  end
 end

app/controllers/projects/boards_controller.rb

 # frozen_string_literal: true
 
 class Projects::BoardsController < Projects::ApplicationController
-  include BoardsResponses
+  include BoardsActions
   include IssuableCollections
 
   before_action :check_issues_available!
   before_action :authorize_read_board!, only: [:index, :show]
-  before_action :boards, only: :index
   before_action :assign_endpoint_vars
-  before_action :redirect_to_recent_board, only: :index
-
-  def index
-    respond_with_boards
-  end
-
-  def show
-    @board = boards.find(params[:id])
-
-    # add/update the board in the recent visited table
-    Boards::Visits::CreateService.new(@board.project, current_user).execute(@board) if request.format.html?
-
-    respond_with_board
-  end
 
   private
 
-  def boards
-    @boards ||= Boards::ListService.new(project, current_user).execute
-  end
-
   def assign_endpoint_vars
     @boards_endpoint = project_boards_path(project)
     @bulk_issues_path = bulk_update_project_issues_path(project)
@@ -39,22 +20,4 @@ class Projects::BoardsController < Projects::ApplicationController
   def authorize_read_board!
     access_denied! unless can?(current_user, :read_board, project)
   end
-
-  def serialize_as_json(resource)
-    resource.as_json(only: [:id])
-  end
-
-  def includes_board?(board_id)
-    boards.any? { |board| board.id == board_id }
-  end
-
-  def redirect_to_recent_board
-    return if request.format.json?
-
-    recently_visited = Boards::Visits::LatestService.new(project, current_user).execute
-
-    if recently_visited && includes_board?(recently_visited.board_id)
-      redirect_to(namespace_project_board_path(id: recently_visited.board_id), status: :found)
-    end
-  end
 end

spec/controllers/groups/boards_controller_spec.rb

@@ -33,11 +33,9 @@ describe Groups::BoardsController do
 
       it 'renders template if visited board is not found' do
         temporary_board = create(:board, group: group)
-        visited = create(:board_group_recent_visit, group: temporary_board.group, board: temporary_board, user: user)
+        create(:board_group_recent_visit, group: temporary_board.group, board: temporary_board, user: user)
         temporary_board.delete
 
-        allow_any_instance_of(Boards::Visits::LatestService).to receive(:execute).and_return(visited)
-
         list_boards
 
         expect(response).to render_template :index

spec/controllers/projects/boards_controller_spec.rb

@@ -39,11 +39,9 @@ describe Projects::BoardsController do
 
       it 'renders template if visited board is not found' do
         temporary_board = create(:board, project: project)
-        visited = create(:board_project_recent_visit, project: temporary_board.project, board: temporary_board, user: user)
+        create(:board_project_recent_visit, project: temporary_board.project, board: temporary_board, user: user)
         temporary_board.delete
 
-        allow_any_instance_of(Boards::Visits::LatestService).to receive(:execute).and_return(visited)
-
         list_boards
 
         expect(response).to render_template :index