Include only incoming/outgoing messages in reporting (#429)

* Skip activity messages from reporting

* Makes reportable? as access list for reporting

spec/listeners/reporting_listener_spec.rb

@@ -0,0 +1,39 @@
+require 'rails_helper'
+describe ReportingListener do
+  let(:listener) { described_class.instance }
+  let!(:account) { create(:account) }
+  let(:report_identity) { Reports::UpdateAccountIdentity.new(account, Time.zone.now) }
+  let!(:user) { create(:user, account: account) }
+  let!(:inbox) { create(:inbox, account: account) }
+  let!(:conversation) { create(:conversation, account: account, inbox: inbox, assignee: user) }
+
+  describe '#message_created' do
+    let(:event_name) { :'conversation.created' }
+
+    context 'when user activity message' do
+      it 'does not increment messages count' do
+        activity_message = create(:message, message_type: 'activity', account: account, inbox: inbox, conversation: conversation)
+        event = Events::Base.new(event_name, Time.zone.now, message: activity_message)
+
+        allow(Reports::UpdateAccountIdentity).to receive(:new).and_return(report_identity)
+        allow(report_identity).to receive(:incr_outgoing_messages_count).exactly(0).times
+        allow(report_identity).to receive(:incr_incoming_messages_count).exactly(0).times
+
+        listener.message_created(event)
+      end
+    end
+
+    context 'when user conversation message' do
+      it 'increments messages count' do
+        conversation_message = create(:message, message_type: 'outgoing', account: account, inbox: inbox, conversation: conversation)
+        event = Events::Base.new(event_name, Time.zone.now, message: conversation_message)
+
+        allow(Reports::UpdateAccountIdentity).to receive(:new).and_return(report_identity)
+        allow(report_identity).to receive(:incr_outgoing_messages_count).once
+        allow(report_identity).to receive(:incr_incoming_messages_count).exactly(0).times
+
+        listener.message_created(event)
+      end
+    end
+  end
+end