Move Multiple Issue Boards for Projects to Core

Refactor code to allow multiple issue boards management for projects
in CE

app/controllers/concerns/boards_responses.rb

@@ -3,8 +3,9 @@
 module BoardsResponses
   include Gitlab::Utils::StrongMemoize
 
+  # Overridden on EE module
   def board_params
-    params.require(:board).permit(:name, :weight, :milestone_id, :assignee_id, label_ids: [])
+    params.require(:board).permit(:name)
   end
 
   def parent

app/controllers/concerns/multiple_boards_actions.rb

+# frozen_string_literal: true
+
+module MultipleBoardsActions
+  include Gitlab::Utils::StrongMemoize
+  extend ActiveSupport::Concern
+
+  included do
+    include BoardsActions
+
+    before_action :redirect_to_recent_board, only: [:index]
+    before_action :authenticate_user!, only: [:recent]
+    before_action :authorize_create_board!, only: [:create]
+    before_action :authorize_admin_board!, only: [:create, :update, :destroy]
+  end
+
+  def recent
+    recent_visits = ::Boards::Visits::LatestService.new(parent, current_user, count: 4).execute
+    recent_boards = recent_visits.map(&:board)
+
+    render json: serialize_as_json(recent_boards)
+  end
+
+  def create
+    board = Boards::CreateService.new(parent, current_user, board_params).execute
+
+    respond_to do |format|
+      format.json do
+        if board.valid?
+          extra_json = { board_path: board_path(board) }
+          render json: serialize_as_json(board).merge(extra_json)
+        else
+          render json: board.errors, status: :unprocessable_entity
+        end
+      end
+    end
+  end
+
+  def update
+    service = Boards::UpdateService.new(parent, current_user, board_params)
+    service.execute(board)
+
+    respond_to do |format|
+      format.json do
+        if board.valid?
+          extra_json = { board_path: board_path(board) }
+          render json: serialize_as_json(board).merge(extra_json)
+        else
+          render json: board.errors, status: :unprocessable_entity
+        end
+      end
+    end
+  end
+
+  def destroy
+    service = Boards::DestroyService.new(parent, current_user)
+    service.execute(board)
+
+    respond_to do |format|
+      format.json { head :ok }
+      format.html { redirect_to boards_path, status: :found }
+    end
+  end
+
+  private
+
+  def redirect_to_recent_board
+    return if request.format.json? || !parent.multiple_issue_boards_available?
+
+    if recently_visited = Boards::Visits::LatestService.new(parent, current_user).execute
+      redirect_to board_path(recently_visited.board)
+    end
+  end
+
+  def authorize_create_board!
+    check_multiple_group_issue_boards_available! if group?
+  end
+
+  def authorize_admin_board!
+    return render_404 unless can?(current_user, :admin_board, parent)
+  end
+
+  def serializer
+    BoardSerializer.new(current_user: current_user)
+  end
+
+  def serialize_as_json(resource)
+    serializer.represent(resource, serializer: 'board', include_full_project_path: board.group_board?)
+  end
+end

app/controllers/projects/boards_controller.rb

 # frozen_string_literal: true
 
 class Projects::BoardsController < Projects::ApplicationController
-  include BoardsActions
+  include MultipleBoardsActions
   include IssuableCollections
 
   before_action :check_issues_available!

app/helpers/boards_helper.rb

@@ -15,7 +15,8 @@ module BoardsHelper
       root_path: root_path,
       bulk_update_path: @bulk_issues_path,
       default_avatar: image_path(default_avatar),
-      time_tracking_limit_to_hours: Gitlab::CurrentSettings.time_tracking_limit_to_hours.to_s
+      time_tracking_limit_to_hours: Gitlab::CurrentSettings.time_tracking_limit_to_hours.to_s,
+      recent_boards_endpoint: recent_boards_path
     }
   end
 
@@ -87,8 +88,20 @@ module BoardsHelper
   end
 
   def boards_link_text
+    if current_board_parent.multiple_issue_boards_available?
+      s_("IssueBoards|Boards")
+    else
       s_("IssueBoards|Board")
     end
+  end
+
+  def recent_boards_path
+    recent_project_boards_path(@project) if current_board_parent.is_a?(Project)
+  end
+
+  def current_board_json
+    board.to_json
+  end
 end
 
 BoardsHelper.prepend(EE::BoardsHelper)

app/models/project.rb

@@ -1949,9 +1949,8 @@ class Project < ApplicationRecord
     end
   end
 
-  # Overridden on EE module
   def multiple_issue_boards_available?
-    false
+    true
   end
 
   def full_path_before_last_save

app/policies/project_policy.rb

@@ -196,6 +196,7 @@ class ProjectPolicy < BasePolicy
   rule { guest & can?(:read_container_image) }.enable :build_read_container_image
 
   rule { can?(:reporter_access) }.policy do
+    enable :admin_board
     enable :download_code
     enable :read_statistics
     enable :download_wiki_code
@@ -240,6 +241,7 @@ class ProjectPolicy < BasePolicy
   rule { can?(:developer_access) & can?(:create_issue) }.enable :import_issues
 
   rule { can?(:developer_access) }.policy do
+    enable :admin_board
     enable :admin_merge_request
     enable :admin_milestone
     enable :update_merge_request
@@ -266,6 +268,7 @@ class ProjectPolicy < BasePolicy
   end
 
   rule { can?(:maintainer_access) }.policy do
+    enable :admin_board
     enable :push_to_delete_protected_branch
     enable :update_project_snippet
     enable :update_environment

app/serializers/board_simple_entity.rb

@@ -2,6 +2,7 @@
 
 class BoardSimpleEntity < Grape::Entity
   expose :id
+  expose :name
 end
 
 BoardSimpleEntity.prepend(EE::BoardSimpleEntity)

app/services/boards/create_service.rb

@@ -9,7 +9,7 @@ module Boards
     private
 
     def can_create_board?
-      parent.boards.empty?
+      parent.boards.empty? || parent.multiple_issue_boards_available?
     end
 
     def create_board!

app/services/boards/destroy_service.rb

+# frozen_string_literal: true
+
+module Boards
+  class DestroyService < Boards::BaseService
+    def execute(board)
+      return false if parent.boards.size == 1
+
+      board.destroy
+    end
+  end
+end

app/services/boards/update_service.rb

+# frozen_string_literal: true
+
+module Boards
+  class UpdateService < Boards::BaseService
+    def execute(board)
+      board.update(params)
+    end
+  end
+end

config/routes/project.rb

@@ -165,7 +165,11 @@ constraints(::Constraints::ProjectUrlConstrainer.new) do
           end
         end
 
-        resources :boards, only: [:index, :show], constraints: { id: /\d+/ }
+        resources :boards, only: [:index, :show, :create, :update, :destroy], constraints: { id: /\d+/ } do
+          collection do
+            get :recent
+          end
+        end
         resources :releases, only: [:index]
         resources :forks, only: [:index, :new, :create]
         resources :group_links, only: [:index, :create, :update, :destroy], constraints: { id: /\d+/ }