feat: Add inbox webhook events (#8006)

- Add webhook events for inbox creation/updation.
- Right now, the feature is added under a feature_flag. It is not available by default on all installations.

spec/listeners/webhook_listener_spec.rb

@@ -217,4 +217,64 @@ describe WebhookListener do
       end
     end
   end
+
+  describe '#inbox_created' do
+    let(:event_name) { :'inbox.created' }
+    let!(:inbox_created_event) { Events::Base.new(event_name, Time.zone.now, inbox: inbox) }
+
+    context 'when webhook is not configured' do
+      it 'does not trigger webhook' do
+        expect(WebhookJob).to receive(:perform_later).exactly(0).times
+        listener.inbox_created(inbox_created_event)
+      end
+    end
+
+    context 'when webhook is configured' do
+      it 'triggers webhook' do
+        inbox_data = Inbox::EventDataPresenter.new(inbox).push_data
+        webhook = create(:webhook, account: account, subscriptions: ['inbox_created'])
+        expect(WebhookJob).to receive(:perform_later).with(webhook.url, inbox_data.merge(event: 'inbox_created')).once
+        listener.inbox_created(inbox_created_event)
+      end
+    end
+  end
+
+  describe '#inbox_updated' do
+    let(:event_name) { :'inbox.updated' }
+    let!(:inbox_updated_event) { Events::Base.new(event_name, Time.zone.now, inbox: inbox, changed_attributes: changed_attributes) }
+    let(:changed_attributes) { {} }
+
+    context 'when webhook is not configured' do
+      it 'does not trigger webhook' do
+        expect(WebhookJob).to receive(:perform_later).exactly(0).times
+        listener.inbox_updated(inbox_updated_event)
+      end
+    end
+
+    context 'when webhook is configured and there are no changed attributes' do
+      it 'triggers webhook' do
+        create(:webhook, account: account, subscriptions: ['inbox_updated'])
+        expect(WebhookJob).to receive(:perform_later).exactly(0).times
+        listener.inbox_updated(inbox_updated_event)
+      end
+    end
+
+    context 'when webhook is configured' do
+      let(:changed_attributes) { { 'name' => ['Inbox 1', inbox.name] } }
+
+      it 'triggers webhook' do
+        webhook = create(:webhook, account: account, subscriptions: ['inbox_updated'])
+
+        inbox_data = Inbox::EventDataPresenter.new(inbox).push_data
+        changed_attributes_data = [{ 'name' => { 'previous_value': 'Inbox 1', 'current_value': inbox.name } }]
+
+        expect(WebhookJob).to receive(:perform_later).with(
+          webhook.url,
+          inbox_data.merge(event: 'inbox_updated', changed_attributes: changed_attributes_data)
+        ).once
+
+        listener.inbox_updated(inbox_updated_event)
+      end
+    end
+  end
 end

spec/models/inbox_spec.rb

@@ -210,6 +210,34 @@ RSpec.describe Inbox do
       expect(inbox.portal).to eq(portal)
     end
 
+    it 'sends the inbox_created event if ENABLE_INBOX_EVENTS is true' do
+      with_modified_env ENABLE_INBOX_EVENTS: 'true' do
+        channel = inbox.channel
+        channel.update(widget_color: '#fff')
+
+        expect(Rails.configuration.dispatcher).to have_received(:dispatch)
+          .with(
+            'inbox.updated',
+            kind_of(Time),
+            inbox: inbox,
+            changed_attributes: kind_of(Object)
+          )
+      end
+    end
+
+    it 'sends the inbox_created event if ENABLE_INBOX_EVENTS is false' do
+      channel = inbox.channel
+      channel.update(widget_color: '#fff')
+
+      expect(Rails.configuration.dispatcher).not_to have_received(:dispatch)
+        .with(
+          'inbox.updated',
+          kind_of(Time),
+          inbox: inbox,
+          changed_attributes: kind_of(Object)
+        )
+    end
+
     it 'resets cache key if there is an update in the channel' do
       channel = inbox.channel
       channel.update(widget_color: '#fff')