Merge branch 'refactor-boards-actions' into 'master'

Refactor groups and projects boards actions

See merge request gitlab-org/gitlab-ce!25568

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 :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 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

app/models/project.rb

@@ -38,7 +38,6 @@ class Project < ActiveRecord::Base
   BoardLimitExceeded = Class.new(StandardError)
 
   STATISTICS_ATTRIBUTE = 'repositories_count'.freeze
-  NUMBER_OF_PERMITTED_BOARDS = 1
   UNKNOWN_IMPORT_URL = 'http://unknown.git'.freeze
   # Hashed Storage versions handle rolling out new storage to project and dependents models:
   # nil: legacy
@@ -137,7 +136,7 @@ class Project < ActiveRecord::Base
   alias_attribute :parent_id, :namespace_id
 
   has_one :last_event, -> {order 'events.created_at DESC'}, class_name: 'Event'
-  has_many :boards, before_add: :validate_board_limit
+  has_many :boards
 
   # Project services
   has_one :campfire_service
@@ -2192,17 +2191,6 @@ class Project < ActiveRecord::Base
     "projects/#{id}/pushes_since_gc"
   end
 
-  # Similar to the normal callbacks that hook into the life cycle of an
-  # Active Record object, you can also define callbacks that get triggered
-  # when you add an object to an association collection. If any of these
-  # callbacks throw an exception, the object will not be added to the
-  # collection. Before you add a new board to the boards collection if you
-  # already have 1, 2, or n it will fail, but it if you have 0 that is lower
-  # than the number of permitted boards per project it won't fail.
-  def validate_board_limit(board)
-    raise BoardLimitExceeded, 'Number of permitted boards exceeded' if boards.size >= NUMBER_OF_PERMITTED_BOARDS
-  end
-
   def update_project_statistics
     stats = statistics || build_statistics
     stats.update(namespace_id: namespace_id)

spec/controllers/groups/boards_controller_spec.rb

@@ -22,28 +22,6 @@ describe Groups::BoardsController do
         expect(response.content_type).to eq 'text/html'
       end
 
-      it 'redirects to latest visited board' do
-        board = create(:board, group: group)
-        create(:board_group_recent_visit, group: board.group, board: board, user: user)
-
-        list_boards
-
-        expect(response).to redirect_to(group_board_path(id: board.id))
-      end
-
-      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)
-        temporary_board.delete
-
-        allow_any_instance_of(Boards::Visits::LatestService).to receive(:execute).and_return(visited)
-
-        list_boards
-
-        expect(response).to render_template :index
-        expect(response.content_type).to eq 'text/html'
-      end
-
       context 'with unauthorized user' do
         before do
           allow(Ability).to receive(:allowed?).with(user, :read_cross_project, :global).and_return(true)

spec/controllers/projects/boards_controller_spec.rb

@@ -28,28 +28,6 @@ describe Projects::BoardsController do
         expect(response.content_type).to eq 'text/html'
       end
 
-      it 'redirects to latest visited board' do
-        board = create(:board, project: project)
-        create(:board_project_recent_visit, project: board.project, board: board, user: user)
-
-        list_boards
-
-        expect(response).to redirect_to(namespace_project_board_path(id: board.id))
-      end
-
-      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)
-        temporary_board.delete
-
-        allow_any_instance_of(Boards::Visits::LatestService).to receive(:execute).and_return(visited)
-
-        list_boards
-
-        expect(response).to render_template :index
-        expect(response.content_type).to eq 'text/html'
-      end
-
       context 'with unauthorized user' do
         before do
           allow(Ability).to receive(:allowed?).with(user, :read_project, project).and_return(true)

spec/models/project_spec.rb

@@ -136,15 +136,6 @@ describe Project do
       end
     end
 
-    describe '#boards' do
-      it 'raises an error when attempting to add more than one board to the project' do
-        subject.boards.build
-
-        expect { subject.boards.build }.to raise_error(Project::BoardLimitExceeded, 'Number of permitted boards exceeded')
-        expect(subject.boards.size).to eq 1
-      end
-    end
-
     describe 'ci_pipelines association' do
       it 'returns only pipelines from ci_sources' do
         expect(Ci::Pipeline).to receive(:ci_sources).and_call_original