add application key to submitters

app/controllers/api/submitters_controller.rb

@@ -4,6 +4,27 @@ module Api
   class SubmittersController < ApiBaseController
     load_and_authorize_resource :submitter
 
+    def index
+      submitters = Submitters.search(@submitters, params[:q])
+
+      submitters = submitters.where(application_key: params[:application_key]) if params[:application_key].present?
+      submitters = submitters.where(submission_id: params[:submission_id]) if params[:submission_id].present?
+
+      submitters = paginate(
+        submitters.preload(:template, :submission, :submission_events,
+                           documents_attachments: :blob, attachments_attachments: :blob)
+      )
+
+      render json: {
+        data: submitters.map { |s| Submitters::SerializeForApi.call(s, with_template: true, with_events: true) },
+        pagination: {
+          count: submitters.size,
+          next: submitters.last&.id,
+          prev: submitters.first&.id
+        }
+      }
+    end
+
     def show
       Submissions::EnsureResultGenerated.call(@submitter) if @submitter.completed_at?