feat(Messages): Adds checked in message trigger

app/models/message.rb

@@ -38,6 +38,7 @@ class Message < ApplicationRecord
     "questionnaire.rsvp_confirmed" => "Questionnaire Status: RSVP Confirmed",
     "questionnaire.rsvp_denied" => "Questionnaire Status: RSVP Denied",
     "questionnaire.rsvp_reminder" => "Questionnaire: RSVP Reminder",
+    "questionnaire.checked-in" => "Questionnaire: Checked in",
     "user.24hr_incomplete_application" => "User: Incomplete application (24 hours later)",
     "bus_list.new_captain_confirmation" => "Bus List: New captain confirmation",
     "bus_list.notes_update" => "Bus List: Updated notes (manually triggered)"

app/models/questionnaire.rb

@@ -11,6 +11,7 @@ class Questionnaire < ApplicationRecord
   after_create :queue_triggered_email_create
   after_update :queue_triggered_email_update
   after_update :queue_triggered_email_rsvp_reminder
+  after_update :queue_triggered_email_checked_in
   after_save :update_school_questionnaire_count
   after_destroy :update_school_questionnaire_count
 
@@ -257,6 +258,11 @@ def queue_triggered_email_create
     Message.queue_for_trigger("questionnaire.#{acc_status}", user_id)
   end
 
+  def queue_triggered_email_checked_in
+    return unless saved_change_to_checked_in_at && checked_in?
+    Message.queue_for_trigger("questionnaire.checked-in", user_id)
+  end
+
   def queue_triggered_email_rsvp_reminder
     return unless saved_change_to_acc_status? && acc_status == "accepted"
 

test/models/questionnaire_test.rb

@@ -488,6 +488,21 @@ class QuestionnaireTest < ActiveSupport::TestCase
         create(:questionnaire, acc_status: "pending")
       end
     end
+
+    should "send triggered email on checked in" do
+      create(:message, trigger: "questionnaire.checked-in")
+      assert_difference "enqueued_jobs.size", 1 do
+        create(:questionnaire, checked_in_at: Time.now)
+      end
+    end
+
+    should "not send triggered email on checked out" do
+      create(:message, trigger: "questionnaire.checked-in")
+      questionnaire = create(:questionnaire, checked_in_at: Time.now)
+      assert_difference "enqueued_jobs.size", 0 do
+        questionnaire.update_attribute(:checked_in_at, nil)
+      end
+    end
   end
 
   should "clean up bus-related fields when changing RSVP" do