1 files changed, 48 insertions, 0 deletions
diff --git a/app/controllers/projects/autocomplete_sources_controller.rb b/app/controllers/projects/autocomplete_sources_controller.rb
new file mode 100644
index 00000000000..d9dfa534669
--- /dev/null
+++ b/app/controllers/projects/autocomplete_sources_controller.rb
@@ -0,0 +1,48 @@
+class Projects::AutocompleteSourcesController < Projects::ApplicationController
+  before_action :load_autocomplete_service, except: [:emojis, :members]
+
+  def emojis
+    render json: Gitlab::AwardEmoji.urls
+  end
+
+  def members
+    render json: ::Projects::ParticipantsService.new(@project, current_user).execute(noteable)
+  end
+
+  def issues
+    render json: @autocomplete_service.issues
+  end
+
+  def merge_requests
+    render json: @autocomplete_service.merge_requests
+  end
+
+  def labels
+    render json: @autocomplete_service.labels
+  end
+
+  def milestones
+    render json: @autocomplete_service.milestones
+  end
+
+  def commands
+    render json: @autocomplete_service.commands(noteable, params[:type])
+  end
+
+  private
+
+  def load_autocomplete_service
+    @autocomplete_service = ::Projects::AutocompleteService.new(@project, current_user)
+  end
+
+  def noteable
+    case params[:type]
+    when 'Issue'
+      IssuesFinder.new(current_user, project_id: @project.id).execute.find_by(iid: params[:type_id])
+    when 'MergeRequest'
+      MergeRequestsFinder.new(current_user, project_id: @project.id).execute.find_by(iid: params[:type_id])
+    when 'Commit'
+      @project.commit(params[:type_id])
+    end
+  end
+end