/move project functionality. Squash commit.

 Update to add all issues to be updated.
 Added functionality, proper tests, documentation and changelog.

8 files changed, 175 insertions, 1 deletions

diff --git a/app/services/issuable_base_service.rb b/app/services/issuable_base_service.rb
index b84a6fd2b7d..7c205e9c789 100644
--- a/app/services/issuable_base_service.rb
+++ b/app/services/issuable_base_service.rb
@@ -56,6 +56,7 @@ class IssuableBaseService < BaseService
       params.delete(:assignee_id)
       params.delete(:due_date)
       params.delete(:canonical_issue_id)
+      params.delete(:project)
     end
 
     filter_assignee(issuable)
diff --git a/app/services/issues/update_service.rb b/app/services/issues/update_service.rb
index 8d918ccc635..deb4990eb4f 100644
--- a/app/services/issues/update_service.rb
+++ b/app/services/issues/update_service.rb
@@ -6,7 +6,7 @@ module Issues
       handle_move_between_iids(issue)
       filter_spam_check_params
       change_issue_duplicate(issue)
-      update(issue)
+      move_issue_to_new_project(issue) || update(issue)
     end
 
     def before_update(issue)
@@ -74,6 +74,17 @@ module Issues
       end
     end
 
+    def move_issue_to_new_project(issue)
+      target_project = params.delete(:target_project)
+
+      return unless target_project &&
+          issue.can_move?(current_user, target_project) &&
+          target_project != issue.project
+
+      update(issue)
+      Issues::MoveService.new(project, current_user).execute(issue, target_project)
+    end
+
     private
 
     def get_issue_if_allowed(project, iid)
diff --git a/app/services/quick_actions/interpret_service.rb b/app/services/quick_actions/interpret_service.rb
index c7832c47e1a..9cdb9935bea 100644
--- a/app/services/quick_actions/interpret_service.rb
+++ b/app/services/quick_actions/interpret_service.rb
@@ -505,6 +505,24 @@ module QuickActions
       end
     end
 
+    desc 'Move this issue to another project.'
+    explanation do |path_to_project|
+      "Moves this issue to #{path_to_project}."
+    end
+    params 'path/to/project'
+    condition do
+      issuable.is_a?(Issue) &&
+        issuable.persisted? &&
+        current_user.can?(:"admin_#{issuable.to_ability_name}", project)
+    end
+    command :move do |target_project_path|
+      target_project = Project.find_by_full_path(target_project_path)
+
+      if target_project.present?
+        @updates[:target_project] = target_project
+      end
+    end
+
     def extract_users(params)
       return [] if params.nil?
 
diff --git a/changelogs/unreleased/move-action.yml b/changelogs/unreleased/move-action.yml
new file mode 100644
index 00000000000..65eceae3ef9
--- /dev/null
+++ b/changelogs/unreleased/move-action.yml
@@ -0,0 +1,4 @@
+---
+title: Allow users to move issues to other projects using a / command
+merge_request: 13436
+author: Manolis Mavrofidis
diff --git a/doc/user/project/quick_actions.md b/doc/user/project/quick_actions.md
index ce4dd4e99d5..6a5d2d40927 100644
--- a/doc/user/project/quick_actions.md
+++ b/doc/user/project/quick_actions.md
@@ -38,3 +38,4 @@ do.
 | `/award :emoji:`  | Toggle award for :emoji: |
 | `/board_move ~column`      | Move issue to column on the board |
 | `/duplicate #issue`        | Closes this issue and marks it as a duplicate of another issue |
+| `/move path/to/project`	     | Moves issue to another project |
diff --git a/spec/features/issues/user_uses_slash_commands_spec.rb b/spec/features/issues/user_uses_slash_commands_spec.rb
index 4b63cc844f3..9261acda9dc 100644
--- a/spec/features/issues/user_uses_slash_commands_spec.rb
+++ b/spec/features/issues/user_uses_slash_commands_spec.rb
@@ -155,5 +155,114 @@ feature 'Issues > User uses quick actions', js: true do
         end
       end
     end
+
+    describe 'move the issue to another project' do
+      let(:issue) { create(:issue, project: project) }
+
+      context 'when the project is valid', js: true do
+        let(:target_project) { create(:project, :public) }
+
+        before do
+          target_project.team << [user, :master]
+          sign_in(user)
+          visit project_issue_path(project, issue)
+        end
+
+        it 'moves the issue' do
+          write_note("/move #{target_project.full_path}")
+
+          expect(page).to have_content 'Commands applied'
+          expect(issue.reload).to be_closed
+
+          visit project_issue_path(target_project, issue)
+
+          expect(page).to have_content 'Issues 1'
+        end
+      end
+
+      context 'when the project is valid but the user not authorized', js: true do
+        let(:project_unauthorized) {create(:project, :public)}
+
+        before do
+          sign_in(user)
+          visit project_issue_path(project, issue)
+        end
+
+        it 'does not move the issue' do
+          write_note("/move #{project_unauthorized.full_path}")
+
+          expect(page).not_to have_content 'Commands applied'
+          expect(issue.reload).to be_open
+        end
+      end
+
+      context 'when the project is invalid', js: true do
+        before do
+          sign_in(user)
+          visit project_issue_path(project, issue)
+        end
+
+        it 'does not move the issue' do
+          write_note("/move not/valid")
+
+          expect(page).not_to have_content 'Commands applied'
+          expect(issue.reload).to be_open
+        end
+      end
+
+      context 'when the user issues multiple commands', js: true do
+        let(:target_project) { create(:project, :public) }
+        let(:milestone) { create(:milestone, title: '1.0', project: project) }
+        let(:target_milestone) { create(:milestone, title: '1.0', project: target_project) }
+        let(:bug)      { create(:label, project: project, title: 'bug') }
+        let(:wontfix)  { create(:label, project: project, title: 'wontfix') }
+        let(:bug_target)      { create(:label, project: target_project, title: 'bug') }
+        let(:wontfix_target)  { create(:label, project: target_project, title: 'wontfix') }
+
+        before do
+          target_project.team << [user, :master]
+          sign_in(user)
+          visit project_issue_path(project, issue)
+        end
+
+        it 'applies the commands to both issues and moves the issue' do
+          write_note("/label ~#{bug.title} ~#{wontfix.title}\n/milestone %\"#{milestone.title}\"\n/move #{target_project.full_path}")
+
+          expect(page).to have_content 'Commands applied'
+          expect(issue.reload).to be_closed
+
+          visit project_issue_path(target_project, issue)
+
+          expect(page).to have_content 'bug'
+          expect(page).to have_content 'wontfix'
+          expect(page).to have_content '1.0'
+
+          visit project_issue_path(project, issue)
+          expect(page).to have_content 'Closed'
+          expect(page).to have_content 'bug'
+          expect(page).to have_content 'wontfix'
+          expect(page).to have_content '1.0'
+        end
+
+        it 'moves the issue and applies the commands to both issues' do
+          write_note("/move #{target_project.full_path}\n/label ~#{bug.title} ~#{wontfix.title}\n/milestone %\"#{milestone.title}\"")
+
+          expect(page).to have_content 'Commands applied'
+          expect(issue.reload).to be_closed
+
+          visit project_issue_path(target_project, issue)
+
+          expect(page).to have_content 'bug'
+          expect(page).to have_content 'wontfix'
+          expect(page).to have_content '1.0'
+
+          visit project_issue_path(project, issue)
+          expect(page).to have_content 'Closed'
+          expect(page).to have_content 'bug'
+          expect(page).to have_content 'wontfix'
+          expect(page).to have_content '1.0'
+        end
+      end
+    end
   end
 end
diff --git a/spec/services/issues/update_service_spec.rb b/spec/services/issues/update_service_spec.rb
index 34fb16edc84..2176469aba6 100644
--- a/spec/services/issues/update_service_spec.rb
+++ b/spec/services/issues/update_service_spec.rb
@@ -510,6 +510,26 @@ describe Issues::UpdateService, :mailer do
       end
     end
 
+    context 'move issue to another project' do
+      let(:target_project) { create(:project) }
+
+      context 'valid project' do
+        before do
+          target_project.team << [user, :master]
+        end
+
+        it 'calls the move service with the proper issue and project' do
+          move_stub = class_double("Issues::MoveService").as_stubbed_const
+          allow(Issues::MoveService).to receive(:new).and_return(move_stub)
+          allow(move_stub).to receive(:execute).with(issue, target_project).and_return(issue)
+
+          expect(move_stub).to receive(:execute).with(issue, target_project)
+
+          update_issue(target_project: target_project)
+        end
+      end
+    end
+
     include_examples 'issuable update service' do
       let(:open_issuable) { issue }
       let(:closed_issuable) { create(:closed_issue, project: project) }
diff --git a/spec/services/quick_actions/interpret_service_spec.rb b/spec/services/quick_actions/interpret_service_spec.rb
index 30fa0ee6873..6926ac85de3 100644
--- a/spec/services/quick_actions/interpret_service_spec.rb
+++ b/spec/services/quick_actions/interpret_service_spec.rb
@@ -1147,5 +1147,15 @@ describe QuickActions::InterpretService do
         expect(explanations).to eq(["Moves issue to ~#{bug.id} column in the board."])
       end
     end
+
+    describe 'move issue to another project command' do
+      let(:content) { '/move test/project' }
+
+      it 'includes the project name' do
+        _, explanations = service.explain(content, issue)
+
+        expect(explanations).to eq(["Moves this issue to test/project."])
+      end
+    end
   end
 end