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

app/models/submission.rb

@@ -6,6 +6,7 @@
 #
 #  id                  :bigint           not null, primary key
 #  deleted_at          :datetime
+#  source              :text             not null
 #  template_fields     :text
 #  template_schema     :text
 #  template_submitters :text
@@ -35,5 +36,14 @@ class Submission < ApplicationRecord
   serialize :template_schema, JSON
   serialize :template_submitters, JSON
 
+  attribute :source, :string, default: 'link'
+
   scope :active, -> { where(deleted_at: nil) }
+
+  enum :source, {
+    invite: 'invite',
+    api: 'api',
+    embed: 'embed',
+    link: 'link'
+  }, scope: false, prefix: true
 end