2 files changed, 41 insertions, 1 deletions
diff --git a/app/controllers/projects/error_tracking_controller.rb b/app/controllers/projects/error_tracking_controller.rb
index 9e403e1d25b..88d0755f41f 100644
--- a/app/controllers/projects/error_tracking_controller.rb
+++ b/app/controllers/projects/error_tracking_controller.rb
@@ -15,6 +15,14 @@ class Projects::ErrorTrackingController < Projects::ApplicationController
     end
   end
 
+  def list_projects
+    respond_to do |format|
+      format.json do
+        render_project_list_json
+      end
+    end
+  end
+
   private
 
   def render_index_json
@@ -32,6 +40,32 @@ class Projects::ErrorTrackingController < Projects::ApplicationController
     }
   end
 
+  def render_project_list_json
+    service = ErrorTracking::ListProjectsService.new(
+      project,
+      current_user,
+      list_projects_params
+    )
+    result = service.execute
+
+    if result[:status] == :success
+      render json: {
+        projects: serialize_projects(result[:projects])
+      }
+    else
+      return render(
+        status: result[:http_status] || :bad_request,
+        json: {
+          message: result[:message]
+        }
+      )
+    end
+  end
+
+  def list_projects_params
+    params.require(:error_tracking_setting).permit([:api_host, :token])
+  end
+
   def set_polling_interval
     Gitlab::PollingInterval.set_header(response, interval: POLLING_INTERVAL)
   end
@@ -41,4 +75,10 @@ class Projects::ErrorTrackingController < Projects::ApplicationController
       .new(project: project, user: current_user)
       .represent(errors)
   end
+
+  def serialize_projects(projects)
+    ErrorTracking::ProjectSerializer
+      .new(project: project, user: current_user)
+      .represent(projects)
+  end
 end
diff --git a/app/serializers/error_tracking/project_serializer.rb b/app/serializers/error_tracking/project_serializer.rb
index b2406f4d631..68724088fff 100644
--- a/app/serializers/error_tracking/project_serializer.rb
+++ b/app/serializers/error_tracking/project_serializer.rb
@@ -2,6 +2,6 @@
 
 module ErrorTracking
   class ProjectSerializer < BaseSerializer
-    entity ProjectEntity
+    entity ErrorTracking::ProjectEntity
   end
 end