Update UpdateForm and SubmitForm services

These service will now send some events about the forms

app/services/submit_form.rb

@@ -95,6 +95,7 @@ def create_application
 
   def delete_form
     form.destroy!
+    Event.publish(:deleted, form)
   end
 
   def send_applicant_email

app/services/update_form.rb

@@ -4,6 +4,7 @@ def self.call(...)
     return service unless service.valid?
 
     service.update_form!
+    service.capture_form_analytics
     service
   end
 
@@ -27,6 +28,14 @@ def update_form!
     form.update(**parsed_params)
   end
 
+  def capture_form_analytics
+    changes = form.saved_changes
+    action = :updated
+    action = :created if changes.key?(:id)
+
+    Event.publish(action, form, changes) if changes.present?
+  end
+
 private
 
   def parsed_params

spec/services/submit_form_spec.rb

@@ -32,7 +32,10 @@
     end
 
     context "returns true when form is submitted" do
-      before { service.submit_form! }
+      before do
+        form.save
+        service.submit_form!
+      end
 
       it { expect(service).to be_success }
     end

spec/services/update_form_spec.rb

@@ -3,7 +3,7 @@
 RSpec.describe UpdateForm do
   subject(:update_form) { described_class.new(step, params) }
 
-  let(:form) { build(:form) }
+  let(:form) { build(:trainee_form) }
   let(:step) { ApplicationRouteStep.new(form) }
   let(:params) { { "application_route" => application_route } }
   let(:application_route) { "teacher" }
@@ -40,4 +40,35 @@
       update_form.update_form!
     end
   end
+
+  describe "capture_form_analytics" do
+    it "when the form has not changes not event is triggered" do
+      expect(Event).not_to receive(:publish)
+
+      update_form.capture_form_analytics
+    end
+
+    context "when the form has changes" do
+      before { form.save }
+
+      it "a created event is triggered" do
+        expect(Event).to receive(:publish)
+                           .with(
+                             :created,
+                             form,
+                             hash_including(
+                               "application_route" => [nil, "salaried_trainee"],
+                               "id" => [nil, form.id],
+                             ),
+                           )
+        update_form.capture_form_analytics
+      end
+
+      it "a updated event is triggered" do
+        form.update(given_name: "foo")
+        expect(Event).to receive(:publish).with(:updated, form, hash_including("given_name" => [nil, "foo"]))
+        update_form.capture_form_analytics
+      end
+    end
+  end
 end