Merge branch 'feature/issues-board' into 'master'

Refactoring Issues Board

## What does this MR do?

This MR aims to minimize conflicts between the CE issues board feature with EE multiple boards feature.

## Are there points in the code the reviewer needs to double check?

## Why was this MR needed?

To avoid a lot of conflicts with EE multiple boards feature.

## Screenshots (if relevant)

## Does this MR meet the acceptance criteria?

- [ ] ~~[CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG) entry added~~
- [ ] ~~[Documentation created/updated](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/development/doc_styleguide.md)~~
- [x] API support added
- Tests
  - [X] Added for this feature/bug
  - [ ] All builds are passing
- [x] Conform by the [merge request performance guides](http://docs.gitlab.com/ce/development/merge_request_performance_guidelines.html)
- [X] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [ ] Branch has no merge conflicts with `master` (if you do - rebase it please)
- [x] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

## What are the relevant issue numbers?

https://gitlab.com/gitlab-org/gitlab-ee/issues/929

https://gitlab.com/gitlab-org/gitlab-ee/issues/1084

See merge request !6727

10 files changed, 137 insertions, 65 deletions

diff --git a/spec/services/boards/create_service_spec.rb b/spec/services/boards/create_service_spec.rb
index a1a4dd4c57c..fde807cc410 100644
--- a/spec/services/boards/create_service_spec.rb
+++ b/spec/services/boards/create_service_spec.rb
@@ -2,33 +2,31 @@ require 'spec_helper'
 
 describe Boards::CreateService, services: true do
   describe '#execute' do
+    let(:project) { create(:empty_project) }
+
     subject(:service) { described_class.new(project, double) }
 
     context 'when project does not have a board' do
-      let(:project) { create(:empty_project, board: nil) }
-
       it 'creates a new board' do
         expect { service.execute }.to change(Board, :count).by(1)
       end
 
       it 'creates default lists' do
-        service.execute
+        board = service.execute
 
-        expect(project.board.lists.size).to eq 2
-        expect(project.board.lists.first).to be_backlog
-        expect(project.board.lists.last).to be_done
+        expect(board.lists.size).to eq 2
+        expect(board.lists.first).to be_backlog
+        expect(board.lists.last).to be_done
       end
     end
 
     context 'when project has a board' do
-      let!(:project) { create(:project_with_board) }
-
-      it 'does not create a new board' do
-        expect { service.execute }.not_to change(Board, :count)
+      before do
+        create(:board, project: project)
       end
 
-      it 'does not create board lists' do
-        expect { service.execute }.not_to change(project.board.lists, :count)
+      it 'does not create a new board' do
+        expect { service.execute }.not_to change(project.boards, :count)
       end
     end
   end
diff --git a/spec/services/boards/issues/create_service_spec.rb b/spec/services/boards/issues/create_service_spec.rb
index 33e10e79f6d..360ee398f77 100644
--- a/spec/services/boards/issues/create_service_spec.rb
+++ b/spec/services/boards/issues/create_service_spec.rb
@@ -2,13 +2,13 @@ require 'spec_helper'
 
 describe Boards::Issues::CreateService, services: true do
   describe '#execute' do
-    let(:project) { create(:project_with_board) }
-    let(:board)   { project.board }
+    let(:project) { create(:empty_project) }
+    let(:board)   { create(:board, project: project) }
     let(:user)    { create(:user) }
     let(:label)   { create(:label, project: project, name: 'in-progress') }
     let!(:list)   { create(:list, board: board, label: label, position: 0) }
 
-    subject(:service) { described_class.new(project, user, title: 'New issue') }
+    subject(:service) { described_class.new(project, user, board_id: board.id, list_id: list.id, title: 'New issue') }
 
     before do
       project.team << [user, :developer]
@@ -17,15 +17,15 @@ describe Boards::Issues::CreateService, services: true do
     it 'delegates the create proceedings to Issues::CreateService' do
       expect_any_instance_of(Issues::CreateService).to receive(:execute).once
 
-      service.execute(list)
+      service.execute
     end
 
     it 'creates a new issue' do
-      expect { service.execute(list) }.to change(project.issues, :count).by(1)
+      expect { service.execute }.to change(project.issues, :count).by(1)
     end
 
     it 'adds the label of the list to the issue' do
-      issue = service.execute(list)
+      issue = service.execute
 
       expect(issue.labels).to eq [label]
     end
diff --git a/spec/services/boards/issues/list_service_spec.rb b/spec/services/boards/issues/list_service_spec.rb
index 5b9f454fd2d..7c206cf3ce7 100644
--- a/spec/services/boards/issues/list_service_spec.rb
+++ b/spec/services/boards/issues/list_service_spec.rb
@@ -3,8 +3,8 @@ require 'spec_helper'
 describe Boards::Issues::ListService, services: true do
   describe '#execute' do
     let(:user)    { create(:user) }
-    let(:project) { create(:project_with_board) }
-    let(:board)   { project.board }
+    let(:project) { create(:empty_project) }
+    let(:board)   { create(:board, project: project) }
 
     let(:bug) { create(:label, project: project, name: 'Bug') }
     let(:development) { create(:label, project: project, name: 'Development') }
@@ -13,10 +13,10 @@ describe Boards::Issues::ListService, services: true do
     let(:p2) { create(:label, title: 'P2', project: project, priority: 2) }
     let(:p3) { create(:label, title: 'P3', project: project, priority: 3) }
 
-    let!(:backlog) { project.board.backlog_list }
+    let!(:backlog) { create(:backlog_list, board: board) }
     let!(:list1)   { create(:list, board: board, label: development, position: 0) }
     let!(:list2)   { create(:list, board: board, label: testing, position: 1) }
-    let!(:done)    { project.board.done_list }
+    let!(:done)    { create(:done_list, board: board) }
 
     let!(:opened_issue1) { create(:labeled_issue, project: project, labels: [bug]) }
     let!(:opened_issue2) { create(:labeled_issue, project: project, labels: [p2]) }
@@ -37,7 +37,7 @@ describe Boards::Issues::ListService, services: true do
     end
 
     it 'delegates search to IssuesFinder' do
-      params = { id: list1.id }
+      params = { board_id: board.id, id: list1.id }
 
       expect_any_instance_of(IssuesFinder).to receive(:execute).once.and_call_original
 
@@ -46,7 +46,7 @@ describe Boards::Issues::ListService, services: true do
 
     context 'sets default order to priority' do
       it 'returns opened issues when listing issues from Backlog' do
-        params = { id: backlog.id }
+        params = { board_id: board.id, id: backlog.id }
 
         issues = described_class.new(project, user, params).execute
 
@@ -54,7 +54,7 @@ describe Boards::Issues::ListService, services: true do
       end
 
       it 'returns closed issues when listing issues from Done' do
-        params = { id: done.id }
+        params = { board_id: board.id, id: done.id }
 
         issues = described_class.new(project, user, params).execute
 
@@ -62,12 +62,29 @@ describe Boards::Issues::ListService, services: true do
       end
 
       it 'returns opened issues that have label list applied when listing issues from a label list' do
-        params = { id: list1.id }
+        params = { board_id: board.id, id: list1.id }
 
         issues = described_class.new(project, user, params).execute
 
         expect(issues).to eq [list1_issue3, list1_issue1, list1_issue2]
       end
     end
+
+    context 'with list that does not belong to the board' do
+      it 'raises an error' do
+        list = create(:list)
+        service = described_class.new(project, user, board_id: board.id, id: list.id)
+
+        expect { service.execute }.to raise_error(ActiveRecord::RecordNotFound)
+      end
+    end
+
+    context 'with invalid list id' do
+      it 'raises an error' do
+        service = described_class.new(project, user, board_id: board.id, id: nil)
+
+        expect { service.execute }.to raise_error(ActiveRecord::RecordNotFound)
+      end
+    end
   end
 end
diff --git a/spec/services/boards/issues/move_service_spec.rb b/spec/services/boards/issues/move_service_spec.rb
index 180f1b08631..c43b2aec490 100644
--- a/spec/services/boards/issues/move_service_spec.rb
+++ b/spec/services/boards/issues/move_service_spec.rb
@@ -3,17 +3,17 @@ require 'spec_helper'
 describe Boards::Issues::MoveService, services: true do
   describe '#execute' do
     let(:user)    { create(:user) }
-    let(:project) { create(:project_with_board) }
-    let(:board)   { project.board }
+    let(:project) { create(:empty_project) }
+    let(:board1)  { create(:board, project: project) }
 
     let(:bug) { create(:label, project: project, name: 'Bug') }
     let(:development) { create(:label, project: project, name: 'Development') }
     let(:testing)  { create(:label, project: project, name: 'Testing') }
 
-    let!(:backlog) { project.board.backlog_list }
-    let!(:list1)   { create(:list, board: board, label: development, position: 0) }
-    let!(:list2)   { create(:list, board: board, label: testing, position: 1) }
-    let!(:done)    { project.board.done_list }
+    let!(:backlog) { create(:backlog_list, board: board1) }
+    let!(:list1)   { create(:list, board: board1, label: development, position: 0) }
+    let!(:list2)   { create(:list, board: board1, label: testing, position: 1) }
+    let!(:done)    { create(:done_list, board: board1) }
 
     before do
       project.team << [user, :developer]
@@ -22,7 +22,7 @@ describe Boards::Issues::MoveService, services: true do
     context 'when moving from backlog' do
       it 'adds the label of the list it goes to' do
         issue = create(:labeled_issue, project: project, labels: [bug])
-        params = { from_list_id: backlog.id, to_list_id: list1.id }
+        params = { board_id: board1.id, from_list_id: backlog.id, to_list_id: list1.id }
 
         described_class.new(project, user, params).execute(issue)
 
@@ -33,7 +33,7 @@ describe Boards::Issues::MoveService, services: true do
     context 'when moving to backlog' do
       it 'removes all list-labels' do
         issue = create(:labeled_issue, project: project, labels: [bug, development, testing])
-        params = { from_list_id: list1.id, to_list_id: backlog.id }
+        params = { board_id: board1.id, from_list_id: list1.id, to_list_id: backlog.id }
 
         described_class.new(project, user, params).execute(issue)
 
@@ -44,7 +44,7 @@ describe Boards::Issues::MoveService, services: true do
     context 'when moving from backlog to done' do
       it 'closes the issue' do
         issue = create(:labeled_issue, project: project, labels: [bug])
-        params = { from_list_id: backlog.id, to_list_id: done.id }
+        params = { board_id: board1.id, from_list_id: backlog.id, to_list_id: done.id }
 
         described_class.new(project, user, params).execute(issue)
         issue.reload
@@ -56,7 +56,7 @@ describe Boards::Issues::MoveService, services: true do
 
     context 'when moving an issue between lists' do
       let(:issue)  { create(:labeled_issue, project: project, labels: [bug, development]) }
-      let(:params) { { from_list_id: list1.id, to_list_id: list2.id } }
+      let(:params) { { board_id: board1.id, from_list_id: list1.id, to_list_id: list2.id } }
 
       it 'delegates the label changes to Issues::UpdateService' do
         expect_any_instance_of(Issues::UpdateService).to receive(:execute).with(issue).once
@@ -72,8 +72,12 @@ describe Boards::Issues::MoveService, services: true do
     end
 
     context 'when moving to done' do
-      let(:issue)  { create(:labeled_issue, project: project, labels: [bug, development, testing]) }
-      let(:params) { { from_list_id: list2.id, to_list_id: done.id } }
+      let(:board2) { create(:board, project: project) }
+      let(:regression) { create(:label, project: project, name: 'Regression') }
+      let!(:list3) { create(:list, board: board2, label: regression, position: 1) }
+
+      let(:issue)  { create(:labeled_issue, project: project, labels: [bug, development, testing, regression]) }
+      let(:params) { { board_id: board1.id, from_list_id: list2.id, to_list_id: done.id } }
 
       it 'delegates the close proceedings to Issues::CloseService' do
         expect_any_instance_of(Issues::CloseService).to receive(:execute).with(issue).once
@@ -81,7 +85,7 @@ describe Boards::Issues::MoveService, services: true do
         described_class.new(project, user, params).execute(issue)
       end
 
-      it 'removes all list-labels and close the issue' do
+      it 'removes all list-labels from project boards and close the issue' do
         described_class.new(project, user, params).execute(issue)
         issue.reload
 
@@ -92,7 +96,7 @@ describe Boards::Issues::MoveService, services: true do
 
     context 'when moving from done' do
       let(:issue)  { create(:labeled_issue, :closed, project: project, labels: [bug]) }
-      let(:params) { { from_list_id: done.id, to_list_id: list2.id } }
+      let(:params) { { board_id: board1.id, from_list_id: done.id, to_list_id: list2.id } }
 
       it 'delegates the re-open proceedings to Issues::ReopenService' do
         expect_any_instance_of(Issues::ReopenService).to receive(:execute).with(issue).once
@@ -112,7 +116,7 @@ describe Boards::Issues::MoveService, services: true do
     context 'when moving from done to backlog' do
       it 'reopens the issue' do
         issue = create(:labeled_issue, :closed, project: project, labels: [bug])
-        params = { from_list_id: done.id, to_list_id: backlog.id }
+        params = { board_id: board1.id, from_list_id: done.id, to_list_id: backlog.id }
 
         described_class.new(project, user, params).execute(issue)
         issue.reload
@@ -124,7 +128,7 @@ describe Boards::Issues::MoveService, services: true do
 
     context 'when moving to same list' do
       let(:issue)  { create(:labeled_issue, project: project, labels: [bug, development]) }
-      let(:params) { { from_list_id: list1.id, to_list_id: list1.id } }
+      let(:params) { { board_id: board1.id, from_list_id: list1.id, to_list_id: list1.id } }
 
       it 'returns false' do
         expect(described_class.new(project, user, params).execute(issue)).to eq false
diff --git a/spec/services/boards/list_service_spec.rb b/spec/services/boards/list_service_spec.rb
new file mode 100644
index 00000000000..dff33e4bcbb
--- /dev/null
+++ b/spec/services/boards/list_service_spec.rb
@@ -0,0 +1,37 @@
+require 'spec_helper'
+
+describe Boards::ListService, services: true do
+  describe '#execute' do
+    let(:project) { create(:empty_project) }
+
+    subject(:service) { described_class.new(project, double) }
+
+    context 'when project does not have a board' do
+      it 'creates a new project board' do
+        expect { service.execute }.to change(project.boards, :count).by(1)
+      end
+
+      it 'delegates the project board creation to Boards::CreateService' do
+        expect_any_instance_of(Boards::CreateService).to receive(:execute).once
+
+        service.execute
+      end
+    end
+
+    context 'when project has a board' do
+      before do
+        create(:board, project: project)
+      end
+
+      it 'does not create a new board' do
+        expect { service.execute }.not_to change(project.boards, :count)
+      end
+    end
+
+    it 'returns project boards' do
+      board = create(:board, project: project)
+
+      expect(service.execute).to match_array [board]
+    end
+  end
+end
diff --git a/spec/services/boards/lists/create_service_spec.rb b/spec/services/boards/lists/create_service_spec.rb
index bff9c1fd1fe..e7806add916 100644
--- a/spec/services/boards/lists/create_service_spec.rb
+++ b/spec/services/boards/lists/create_service_spec.rb
@@ -2,8 +2,8 @@ require 'spec_helper'
 
 describe Boards::Lists::CreateService, services: true do
   describe '#execute' do
-    let(:project) { create(:project_with_board) }
-    let(:board)   { project.board }
+    let(:project) { create(:empty_project) }
+    let(:board)   { create(:board, project: project) }
     let(:user)    { create(:user) }
     let(:label)   { create(:label, project: project, name: 'in-progress') }
 
@@ -11,7 +11,7 @@ describe Boards::Lists::CreateService, services: true do
 
     context 'when board lists is empty' do
       it 'creates a new list at beginning of the list' do
-        list = service.execute
+        list = service.execute(board)
 
         expect(list.position).to eq 0
       end
@@ -19,7 +19,7 @@ describe Boards::Lists::CreateService, services: true do
 
     context 'when board lists has backlog, and done lists' do
       it 'creates a new list at beginning of the list' do
-        list = service.execute
+        list = service.execute(board)
 
         expect(list.position).to eq 0
       end
@@ -30,7 +30,7 @@ describe Boards::Lists::CreateService, services: true do
         create(:list, board: board, position: 0)
         create(:list, board: board, position: 1)
 
-        list = service.execute
+        list = service.execute(board)
 
         expect(list.position).to eq 2
       end
@@ -40,7 +40,7 @@ describe Boards::Lists::CreateService, services: true do
       it 'creates a new list at end of the label lists' do
         list1 = create(:list, board: board, position: 0)
 
-        list2 = service.execute
+        list2 = service.execute(board)
 
         expect(list1.reload.position).to eq 0
         expect(list2.reload.position).to eq 1
@@ -52,7 +52,7 @@ describe Boards::Lists::CreateService, services: true do
         label = create(:label, name: 'in-development')
         service = described_class.new(project, user, label_id: label.id)
 
-        expect { service.execute }.to raise_error(ActiveRecord::RecordNotFound)
+        expect { service.execute(board) }.to raise_error(ActiveRecord::RecordNotFound)
       end
     end
   end
diff --git a/spec/services/boards/lists/destroy_service_spec.rb b/spec/services/boards/lists/destroy_service_spec.rb
index 474c4512471..628caf03476 100644
--- a/spec/services/boards/lists/destroy_service_spec.rb
+++ b/spec/services/boards/lists/destroy_service_spec.rb
@@ -2,8 +2,8 @@ require 'spec_helper'
 
 describe Boards::Lists::DestroyService, services: true do
   describe '#execute' do
-    let(:project) { create(:project_with_board) }
-    let(:board)   { project.board }
+    let(:project) { create(:empty_project) }
+    let(:board)   { create(:board, project: project) }
     let(:user)    { create(:user) }
 
     context 'when list type is label' do
@@ -15,11 +15,11 @@ describe Boards::Lists::DestroyService, services: true do
       end
 
       it 'decrements position of higher lists' do
-        backlog     = project.board.backlog_list
+        backlog     = board.backlog_list
         development = create(:list, board: board, position: 0)
         review      = create(:list, board: board, position: 1)
         staging     = create(:list, board: board, position: 2)
-        done        = project.board.done_list
+        done        = board.done_list
 
         described_class.new(project, user).execute(development)
 
@@ -31,14 +31,14 @@ describe Boards::Lists::DestroyService, services: true do
     end
 
     it 'does not remove list from board when list type is backlog' do
-      list = project.board.backlog_list
+      list = board.backlog_list
       service = described_class.new(project, user)
 
       expect { service.execute(list) }.not_to change(board.lists, :count)
     end
 
     it 'does not remove list from board when list type is done' do
-      list = project.board.done_list
+      list = board.done_list
       service = described_class.new(project, user)
 
       expect { service.execute(list) }.not_to change(board.lists, :count)
diff --git a/spec/services/boards/lists/generate_service_spec.rb b/spec/services/boards/lists/generate_service_spec.rb
index 4171e4d816c..8b2f5e81338 100644
--- a/spec/services/boards/lists/generate_service_spec.rb
+++ b/spec/services/boards/lists/generate_service_spec.rb
@@ -2,15 +2,15 @@ require 'spec_helper'
 
 describe Boards::Lists::GenerateService, services: true do
   describe '#execute' do
-    let(:project) { create(:project_with_board) }
-    let(:board)   { project.board }
+    let(:project) { create(:empty_project) }
+    let(:board)   { create(:board, project: project) }
     let(:user)    { create(:user) }
 
     subject(:service) { described_class.new(project, user) }
 
     context 'when board lists is empty' do
       it 'creates the default lists' do
-        expect { service.execute }.to change(board.lists, :count).by(2)
+        expect { service.execute(board) }.to change(board.lists, :count).by(2)
       end
     end
 
@@ -18,13 +18,13 @@ describe Boards::Lists::GenerateService, services: true do
       it 'does not creates the default lists' do
         create(:list, board: board)
 
-        expect { service.execute }.not_to change(board.lists, :count)
+        expect { service.execute(board) }.not_to change(board.lists, :count)
       end
     end
 
     context 'when project labels does not contains any list label' do
       it 'creates labels' do
-        expect { service.execute }.to change(project.labels, :count).by(2)
+        expect { service.execute(board) }.to change(project.labels, :count).by(2)
       end
     end
 
@@ -32,7 +32,7 @@ describe Boards::Lists::GenerateService, services: true do
       it 'creates the missing labels' do
         create(:label, project: project, name: 'Doing')
 
-        expect { service.execute }.to change(project.labels, :count).by(1)
+        expect { service.execute(board) }.to change(project.labels, :count).by(1)
       end
     end
   end
diff --git a/spec/services/boards/lists/list_service_spec.rb b/spec/services/boards/lists/list_service_spec.rb
new file mode 100644
index 00000000000..334cee3f06d
--- /dev/null
+++ b/spec/services/boards/lists/list_service_spec.rb
@@ -0,0 +1,16 @@
+require 'spec_helper'
+
+describe Boards::Lists::ListService, services: true do
+  describe '#execute' do
+    it "returns board's lists" do
+      project = create(:empty_project)
+      board = create(:board, project: project)
+      label = create(:label, project: project)
+      list = create(:list, board: board, label: label)
+
+      service = described_class.new(project, double)
+
+      expect(service.execute(board)).to eq [board.backlog_list, list, board.done_list]
+    end
+  end
+end
diff --git a/spec/services/boards/lists/move_service_spec.rb b/spec/services/boards/lists/move_service_spec.rb
index 102ed67449d..63fa0bb8c5f 100644
--- a/spec/services/boards/lists/move_service_spec.rb
+++ b/spec/services/boards/lists/move_service_spec.rb
@@ -2,16 +2,16 @@ require 'spec_helper'
 
 describe Boards::Lists::MoveService, services: true do
   describe '#execute' do
-    let(:project) { create(:project_with_board) }
-    let(:board)   { project.board }
+    let(:project) { create(:empty_project) }
+    let(:board)   { create(:board, project: project) }
     let(:user)    { create(:user) }
 
-    let!(:backlog)     { project.board.backlog_list }
+    let!(:backlog)     { create(:backlog_list, board: board) }
     let!(:planning)    { create(:list, board: board, position: 0) }
     let!(:development) { create(:list, board: board, position: 1) }
     let!(:review)      { create(:list, board: board, position: 2) }
     let!(:staging)     { create(:list, board: board, position: 3) }
-    let!(:done)        { project.board.done_list }
+    let!(:done)        { create(:done_list, board: board) }
 
     context 'when list type is set to label' do
       it 'keeps position of lists when new position is nil' do