Merge branch 'master' into 13931-custom-emoji-implementation13931-custom-emoji-implementation

 Conflicts:
	app/assets/javascripts/dispatcher.js
	app/assets/javascripts/pages/projects/shared/project_avatar.js

1 files changed, 14 insertions, 0 deletions

diff --git a/lib/api/issues.rb b/lib/api/issues.rb
index b29c5848aef..c99fe3ab5b3 100644
--- a/lib/api/issues.rb
+++ b/lib/api/issues.rb
@@ -175,6 +175,7 @@ module API
         issue = ::Issues::CreateService.new(user_project,
                                             current_user,
                                             issue_params.merge(request: request, api: true)).execute
+
         if issue.spam?
           render_api_error!({ error: 'Spam detected' }, 400)
         end
@@ -277,6 +278,19 @@ module API
         present paginate(merge_requests), with: Entities::MergeRequestBasic, current_user: current_user, project: user_project
       end
 
+      desc 'List participants for an issue'  do
+        success Entities::UserBasic
+      end
+      params do
+        requires :issue_iid, type: Integer, desc: 'The internal ID of a project issue'
+      end
+      get ':id/issues/:issue_iid/participants' do
+        issue = find_project_issue(params[:issue_iid])
+        participants = ::Kaminari.paginate_array(issue.participants)
+
+        present paginate(participants), with: Entities::UserBasic, current_user: current_user, project: user_project
+      end
+
       desc 'Get the user agent details for an issue' do
         success Entities::UserAgentDetail
       end