fire global announcement live events

closes MBL-6063

test plan:
- I'm not sure how these things are tested, but
- create an account notification
- check that a live event was fired off

Change-Id: I2d041183fc4da859a9c7f2ab9a28f1572a02ccfb
Reviewed-on: https://gerrit.instructure.com/93222
Reviewed-by: Rob Orton <rob@instructure.com>
Tested-by: Jenkins
QA-Review: Benjamin Christian Nelson <bcnelson@instructure.com>
Product-Review: Cameron Sutter <csutter@instructure.com>

app/observers/live_events_observer.rb

@@ -11,7 +11,8 @@ class LiveEventsObserver < ActiveRecord::Observer
           :assignment,
           :submission,
           :attachment,
-          :user_account_association
+          :user_account_association,
+          :account_notification
 
   def after_update(obj)
     changes = obj.changes
@@ -76,6 +77,8 @@ class LiveEventsObserver < ActiveRecord::Observer
       if attachment_eligible?(obj)
         Canvas::LiveEvents.attachment_created(obj)
       end
+    when AccountNotification
+      Canvas::LiveEvents.account_notification_created(obj)
     end
     end
   end

doc/api/live_events.md

@@ -410,3 +410,14 @@ by `asset_type` and `asset_id`.
 | `context_type` | The type of context the attachment is used in. |
 | `context_id` | The id of the context the attachment is used in. |
 | `content_type` | The content type of the attachment. |
+
+#### `account_notification_created`
+
+| Field | Description |
+| ----- | ----------- |
+| `account_notification_id` | The Canvas id of the account notification. |
+| `subject` | The subject of the notification. |
+| `message` | The message to be sent in the notification. |
+| `icon` | The icon to display with the message.  Defaults to warning. |
+| `start_at` | When to send out the notification. |
+| `end_at` | When to expire the notification. |

lib/canvas/live_events.rb

@@ -48,6 +48,17 @@ module Canvas::LiveEvents
     })
   end
 
+  def self.account_notification_created(notification)
+    post_event_stringified('account_notification_created', {
+      account_notification_id: notification.id,
+      subject: LiveEvents.truncate(notification.subject),
+      message: LiveEvents.truncate(notification.message),
+      icon: notification.icon,
+      start_at: notification.start_at,
+      end_at: notification.end_at,
+    })
+  end
+
   def self.group_membership_created(membership)
     post_event_stringified('group_membership_created', {
       group_membership_id: membership.global_id,

spec/observers/live_events_observer_spec.rb

@@ -170,4 +170,11 @@ describe LiveEventsObserver do
       user_with_pseudonym(account: Account.default, username: 'bobbo', active_all: true)
     end
   end
+
+  describe "account_notification" do
+    it "posts create events" do
+      Canvas::LiveEvents.expects(:account_notification_created).once
+      account_notification
+    end
+  end
 end