Make all Project Issue Boards API available even in CE

This change moves all project issue boards API to EE to CE, but
filtering by milestons, assignees, and/or weights remains in EE.

This change includes specs for creating, updating, and deleting
project issue board APIs.
Signed-off-by: Takuya Noguchi <takninnovationresearch@gmail.com>

changelogs/unreleased/273002-full-project-issue-boards-api-on-ce.yml

+---
+title: Make all Project Issue Boards API available even in CE
+merge_request: 46137
+author: Takuya Noguchi
+type: changed

ee/lib/ee/api/api.rb

@@ -8,7 +8,6 @@ module EE
       prepended do
         use ::Gitlab::Middleware::IpRestrictor
 
-        mount ::EE::API::Boards
         mount ::EE::API::GroupBoards
 
         mount ::API::AuditEvents

ee/lib/ee/api/boards.rb

-# frozen_string_literal: true
-
-module EE
-  module API
-    class Boards < ::API::Base
-      include ::API::PaginationParams
-      include ::API::BoardsResponses
-
-      prepend EE::API::BoardsResponses # rubocop: disable Cop/InjectEnterpriseEditionModule
-
-      before { authenticate! }
-
-      helpers do
-        def board_parent
-          user_project
-        end
-      end
-
-      params do
-        requires :id, type: String, desc: 'The ID of a project'
-      end
-      resource :projects, requirements: ::API::API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
-        segment ':id/boards' do
-          desc 'Create a project board' do
-            detail 'This feature was introduced in 10.4'
-            success ::API::Entities::Board
-          end
-          params do
-            requires :name, type: String, desc: 'The board name'
-          end
-          post '/' do
-            authorize!(:admin_board, board_parent)
-
-            create_board
-          end
-
-          desc 'Update a project board' do
-            detail 'This feature was introduced in 11.0'
-            success ::API::Entities::Board
-          end
-          params do
-            use :update_params
-          end
-          put '/:board_id' do
-            authorize!(:admin_board, board_parent)
-
-            update_board
-          end
-
-          desc 'Delete a project board' do
-            detail 'This feature was introduced in 10.4'
-            success ::API::Entities::Board
-          end
-
-          delete '/:board_id' do
-            authorize!(:admin_board, board_parent)
-
-            delete_board
-          end
-        end
-      end
-    end
-  end
-end

ee/lib/ee/api/boards_responses.rb

@@ -7,35 +7,7 @@ module EE
 
       prepended do
         helpers do
-          def create_board
-            forbidden! unless board_parent.multiple_issue_boards_available?
-
-            response =
-              ::Boards::CreateService.new(board_parent, current_user, { name: params[:name] }).execute
-
-            present response.payload, with: ::API::Entities::Board
-          end
-
-          def update_board
-            service = ::Boards::UpdateService.new(board_parent, current_user, declared_params(include_missing: false))
-            service.execute(board)
-
-            if board.valid?
-              present board, with: ::API::Entities::Board
-            else
-              bad_request!("Failed to save board #{board.errors.messages}")
-            end
-          end
-
-          def delete_board
-            forbidden! unless board_parent.multiple_issue_boards_available?
-
-            destroy_conditionally!(board) do |board|
-              service = ::Boards::DestroyService.new(board_parent, current_user)
-              service.execute(board)
-            end
-          end
-
+          # Overrides API::BoardsResponses create_list_params
           def create_list_params
             params.slice(:label_id, :milestone_id, :assignee_id)
           end
@@ -73,6 +45,7 @@ module EE
             exactly_one_of :label_id, :milestone_id, :assignee_id
           end
 
+          # Overrides API::BoardsResponses update_params
           params :update_params do
             optional :name, type: String, desc: 'The board name'
             optional :assignee_id, type: Integer, desc: 'The ID of a user to associate with board'

ee/lib/ee/api/entities/board.rb

@@ -7,11 +7,10 @@ module EE
         extend ActiveSupport::Concern
 
         prepended do
-          # Default filtering configuration
-          expose :name
           expose :group, using: ::API::Entities::BasicGroupDetails
 
           with_options if: ->(board, _) { board.resource_parent.feature_available?(:scoped_issue_board) } do
+            # Default filtering configuration
             expose :milestone do |board|
               if board.milestone.is_a?(Milestone)
                 ::API::Entities::Milestone.represent(board.milestone)

lib/api/boards.rb

@@ -40,6 +40,43 @@ module API
           authorize!(:read_board, user_project)
           present board, with: Entities::Board
         end
+
+        desc 'Create a project board' do
+          detail 'This feature was introduced in 10.4'
+          success Entities::Board
+        end
+        params do
+          requires :name, type: String, desc: 'The board name'
+        end
+        post '/' do
+          authorize!(:admin_board, board_parent)
+
+          create_board
+        end
+
+        desc 'Update a project board' do
+          detail 'This feature was introduced in 11.0'
+          success Entities::Board
+        end
+        params do
+          use :update_params
+        end
+        put '/:board_id' do
+          authorize!(:admin_board, board_parent)
+
+          update_board
+        end
+
+        desc 'Delete a project board' do
+          detail 'This feature was introduced in 10.4'
+          success Entities::Board
+        end
+
+        delete '/:board_id' do
+          authorize!(:admin_board, board_parent)
+
+          delete_board
+        end
       end
 
       params do

lib/api/boards_responses.rb

@@ -10,6 +10,35 @@ module API
           board_parent.boards.find(params[:board_id])
         end
 
+        def create_board
+          forbidden! unless board_parent.multiple_issue_boards_available?
+
+          response =
+            ::Boards::CreateService.new(board_parent, current_user, { name: params[:name] }).execute
+
+          present response.payload, with: Entities::Board
+        end
+
+        def update_board
+          service = ::Boards::UpdateService.new(board_parent, current_user, declared_params(include_missing: false))
+          service.execute(board)
+
+          if board.valid?
+            present board, with: Entities::Board
+          else
+            bad_request!("Failed to save board #{board.errors.messages}")
+          end
+        end
+
+        def delete_board
+          forbidden! unless board_parent.multiple_issue_boards_available?
+
+          destroy_conditionally!(board) do |board|
+            service = ::Boards::DestroyService.new(board_parent, current_user)
+            service.execute(board)
+          end
+        end
+
         def board_lists
           board.destroyable_lists
         end
@@ -62,6 +91,12 @@ module API
         params :list_creation_params do
           requires :label_id, type: Integer, desc: 'The ID of an existing label'
         end
+
+        params :update_params do
+          # Configurable issue boards are not available in CE/EE Core.
+          # https://docs.gitlab.com/ee/user/project/issue_board.html#configurable-issue-boards
+          optional :name, type: String, desc: 'The board name'
+        end
       end
     end
   end

lib/api/entities/board.rb

@@ -4,6 +4,7 @@ module API
   module Entities
     class Board < Grape::Entity
       expose :id
+      expose :name
       expose :project, using: Entities::BasicProjectDetails
 
       expose :lists, using: Entities::List do |board|

spec/requests/api/boards_spec.rb

@@ -35,7 +35,46 @@ RSpec.describe API::Boards do
 
   it_behaves_like 'group and project boards', "/projects/:id/boards"
 
-  describe "POST /projects/:id/boards/lists" do
+  describe "POST /projects/:id/boards" do
+    let(:url) { "/projects/#{board_parent.id}/boards" }
+
+    it 'creates a new issue board' do
+      post api(url, user), params: { name: 'foo' }
+
+      expect(response).to have_gitlab_http_status(:created)
+      expect(json_response['name']).to eq('foo')
+    end
+
+    it 'fails to create a new board' do
+      post api(url, user), params: { some_name: 'foo' }
+
+      expect(response).to have_gitlab_http_status(:bad_request)
+      expect(json_response['error']).to eq('name is missing')
+    end
+  end
+
+  describe "PUT /projects/:id/boards/:board_id" do
+    let(:url) { "/projects/#{board_parent.id}/boards/#{board.id}" }
+
+    it 'updates the issue board' do
+      put api(url, user), params: { name: 'changed board name' }
+
+      expect(response).to have_gitlab_http_status(:ok)
+      expect(json_response['name']).to eq('changed board name')
+    end
+  end
+
+  describe "DELETE /projects/:id/boards/:board_id" do
+    let(:url) { "/projects/#{board_parent.id}/boards/#{board.id}" }
+
+    it 'delete the issue board' do
+      delete api(url, user)
+
+      expect(response).to have_gitlab_http_status(:no_content)
+    end
+  end
+
+  describe "POST /projects/:id/boards/:board_id/lists" do
     let(:url) { "/projects/#{board_parent.id}/boards/#{board.id}/lists" }
 
     it 'creates a new issue board list for group labels' do
@@ -65,7 +104,7 @@ RSpec.describe API::Boards do
     end
   end
 
-  describe "POST /groups/:id/boards/lists" do
+  describe "POST /groups/:id/boards/:board_id/lists" do
     let_it_be(:group) { create(:group) }
     let_it_be(:board_parent) { create(:group, parent: group ) }
     let(:url) { "/groups/#{board_parent.id}/boards/#{board.id}/lists" }