Fix 404 in group boards when moving issue between lists

app/assets/javascripts/boards/services/board_service.js

@@ -19,7 +19,7 @@ export default class BoardService {
   }
 
   static generateIssuePath(boardId, id) {
-    return `${gon.relative_url_root}/-/boards/${boardId ? `/${boardId}` : ''}/issues${id ? `/${id}` : ''}`;
+    return `${gon.relative_url_root}/-/boards/${boardId ? `${boardId}` : ''}/issues${id ? `/${id}` : ''}`;
   }
 
   all() {

app/services/boards/issues/move_service.rb

@@ -42,7 +42,10 @@ module Boards
           )
         end
 
-        attrs[:move_between_ids] = move_between_ids if move_between_ids
+        if move_between_ids
+          attrs[:move_between_ids] = move_between_ids
+          attrs[:board_group_id] =  board.group&.id
+        end
 
         attrs
       end

app/services/issues/update_service.rb

@@ -55,9 +55,10 @@ module Issues
       return unless params[:move_between_ids]
 
       after_id, before_id = params.delete(:move_between_ids)
+      board_group_id = params.delete(:board_group_id)
 
-      issue_before = get_issue_if_allowed(issue.project, before_id) if before_id
-      issue_after = get_issue_if_allowed(issue.project, after_id) if after_id
+      issue_before = get_issue_if_allowed(before_id, board_group_id)
+      issue_after = get_issue_if_allowed(after_id, board_group_id)
 
       issue.move_between(issue_before, issue_after)
     end
@@ -84,8 +85,16 @@ module Issues
 
     private
 
-    def get_issue_if_allowed(project, id)
-      issue = project.issues.find(id)
+    def get_issue_if_allowed(id, board_group_id = nil)
+      return unless id
+
+      issue =
+        if board_group_id
+          IssuesFinder.new(current_user, group_id: board_group_id).find_by(id: id)
+        else
+          project.issues.find(id)
+        end
+
       issue if can?(current_user, :update_issue, issue)
     end
 

changelogs/unreleased/issue_44551.yml

+---
+title: Fix 404 in group boards when moving issue between lists
+merge_request:
+author:
+type: fixed

spec/services/boards/issues/move_service_spec.rb

@@ -48,7 +48,7 @@ describe Boards::Issues::MoveService do
         parent.add_developer(user)
       end
 
-      it_behaves_like 'issues move service'
+      it_behaves_like 'issues move service', true
     end
   end
 end

spec/services/issues/update_service_spec.rb

@@ -97,6 +97,37 @@ describe Issues::UpdateService, :mailer do
         expect(issue.relative_position).to be_between(issue1.relative_position, issue2.relative_position)
       end
 
+      context 'when moving issue between issues from different projects' do
+        let(:group) { create(:group) }
+        let(:project_1) { create(:project, namespace: group) }
+        let(:project_2) { create(:project, namespace: group) }
+        let(:project_3) { create(:project, namespace: group) }
+
+        let(:issue_1) { create(:issue, project: project_1) }
+        let(:issue_2) { create(:issue, project: project_2) }
+        let(:issue_3) { create(:issue, project: project_3) }
+
+        before do
+          group.add_developer(user)
+        end
+
+        it 'sorts issues as specified by parameters' do
+          # Moving all issues to end here like the last example won't work since
+          # all projects only have the same issue count
+          # so their relative_position will be the same.
+          issue_1.move_to_end
+          issue_2.move_after(issue_1)
+          issue_3.move_after(issue_2)
+          [issue_1, issue_2, issue_3].map(&:save)
+
+          opts[:move_between_ids] = [issue_1.id, issue_2.id]
+          opts[:board_group_id] = group.id
+
+          described_class.new(issue_3.project, user, opts).execute(issue_3)
+          expect(issue_2.relative_position).to be_between(issue_1.relative_position, issue_2.relative_position)
+        end
+      end
+
       context 'when current user cannot admin issues in the project' do
         let(:guest) { create(:user) }
         before do

spec/support/shared_examples/services/boards/issues_move_service.rb

-shared_examples 'issues move service' do
+shared_examples 'issues move service' do |group|
   context 'when moving an issue between lists' do
     let(:issue)  { create(:labeled_issue, project: project, labels: [bug, development]) }
     let(:params) { { board_id: board1.id, from_list_id: list1.id, to_list_id: list2.id } }
@@ -83,5 +83,18 @@ shared_examples 'issues move service' do
 
       expect(issue.relative_position).to be_between(issue1.relative_position, issue2.relative_position)
     end
+
+    if group
+      context 'when on a group board' do
+        it 'sends the board_group_id parameter' do
+          params.merge!(move_after_id: issue1.id, move_before_id: issue2.id)
+
+          match_params = { move_between_ids: [issue1.id, issue2.id], board_group_id: parent.id }
+          expect(Issues::UpdateService).to receive(:new).with(issue.project, user, match_params).and_return(double(execute: build(:issue)))
+
+          described_class.new(parent, user, params).execute(issue)
+        end
+      end
+    end
   end
 end