add source to submissions

app/controllers/api/submissions_controller.rb

@@ -9,11 +9,13 @@ module Api
         if params[:emails].present?
           Submissions.create_from_emails(template:,
                                          user: current_user,
+                                         source: :api,
                                          send_email: params[:send_email] != 'false',
                                          emails: params[:emails])
         else
           Submissions.create_from_submitters(template:,
                                              user: current_user,
+                                             source: :api,
                                              send_email: params[:send_email] != 'false',
                                              submissions_attrs: submissions_params[:submission])
         end

app/controllers/start_form_controller.rb

@@ -25,7 +25,7 @@ class StartFormController < ApplicationController
         ua: request.user_agent
       )
 
-      @submitter.submission ||= Submission.new(template: @template)
+      @submitter.submission ||= Submission.new(template: @template, source: :link)
 
       if @submitter.save
         redirect_to submit_form_path(@submitter.slug)

app/controllers/submissions_controller.rb

@@ -19,11 +19,13 @@ class SubmissionsController < ApplicationController
       if params[:emails].present?
         Submissions.create_from_emails(template: @template,
                                        user: current_user,
+                                       source: :invite,
                                        send_email: params[:send_email] == '1',
                                        emails: params[:emails])
       else
         Submissions.create_from_submitters(template: @template,
                                            user: current_user,
+                                           source: :invite,
                                            send_email: params[:send_email] == '1',
                                            submissions_attrs: submissions_params[:submission].to_h.values)
       end