Chore: Add a real-time event for contact resolution/update (#696)

* Chore: Add a real-time event for contact resolution/update
* Chore: Ensure Events are sent to administrators

Addresses: #419

spec/listeners/action_cable_listener_spec.rb

@@ -0,0 +1,29 @@
+require 'rails_helper'
+describe ActionCableListener do
+  let(:listener) { described_class.instance }
+  let!(:account) { create(:account) }
+  let!(:admin) { create(:user, account: account, role: :administrator) }
+  let!(:inbox) { create(:inbox, account: account) }
+  let!(:agent) { create(:user, account: account, role: :agent) }
+  let!(:conversation) { create(:conversation, account: account, inbox: inbox, assignee: agent) }
+  let!(:message) do
+    create(:message, message_type: 'outgoing',
+                     account: account, inbox: inbox, conversation: conversation)
+  end
+  let!(:event) { Events::Base.new(event_name, Time.zone.now, message: message) }
+
+  before do
+    create(:inbox_member, inbox: inbox, user: agent)
+  end
+
+  describe '#message_created' do
+    let(:event_name) { :'message.created' }
+
+    it 'sends message to account admins, inbox agents and the contact' do
+      expect(ActionCableBroadcastJob).to receive(:perform_later).with([admin.pubsub_token], 'message.created', message.push_event_data)
+      expect(ActionCableBroadcastJob).to receive(:perform_later).with([agent.pubsub_token], 'message.created', message.push_event_data)
+      expect(ActionCableBroadcastJob).to receive(:perform_later).with([conversation.contact.pubsub_token], 'message.created', message.push_event_data)
+      listener.message_created(event)
+    end
+  end
+end