feat: Read/Delivery status for Whatsapp Cloud API (#5157)

Process field statuses received in webhook WhatsApp cloud API

ref: #1021

Co-authored-by: Sojan <sojan@pepalo.com>
Co-authored-by: Nithin David <1277421+nithindavid@users.noreply.github.com>

spec/services/whatsapp/incoming_message_service_spec.rb

@@ -70,6 +70,46 @@ describe Whatsapp::IncomingMessageService do
       end
     end
 
+    context 'when valid status params' do
+      let(:from) { '2423423243' }
+      let(:contact_inbox) { create(:contact_inbox, inbox: whatsapp_channel.inbox, source_id: from) }
+      let(:params) do
+        {
+          'contacts' => [{ 'profile' => { 'name' => 'Sojan Jose' }, 'wa_id' => from }],
+          'messages' => [{ 'from' => from, 'id' => from, 'text' => { 'body' => 'Test' },
+                           'timestamp' => '1633034394', 'type' => 'text' }]
+        }.with_indifferent_access
+      end
+
+      before do
+        create(:conversation, inbox: whatsapp_channel.inbox, contact_inbox: contact_inbox)
+        described_class.new(inbox: whatsapp_channel.inbox, params: params).perform
+      end
+
+      it 'update status message to read' do
+        status_params = {
+          'statuses' => [{ 'recipient_id' => from, 'id' => from, 'status' => 'read' }]
+        }.with_indifferent_access
+        message = Message.find_by!(source_id: from)
+        expect(message.status).to eq('sent')
+        described_class.new(inbox: whatsapp_channel.inbox, params: status_params).perform
+        expect(message.reload.status).to eq('read')
+      end
+
+      it 'update status message to failed' do
+        status_params = {
+          'statuses' => [{ 'recipient_id' => from, 'id' => from, 'status' => 'failed',
+                           'errors' => [{ 'code': 123, 'title': 'abc' }] }]
+        }.with_indifferent_access
+
+        message = Message.find_by!(source_id: from)
+        expect(message.status).to eq('sent')
+        described_class.new(inbox: whatsapp_channel.inbox, params: status_params).perform
+        expect(message.reload.status).to eq('failed')
+        expect(message.external_error).to eq('123: abc')
+      end
+    end
+
     context 'when valid interactive message params' do
       it 'creates appropriate conversations, message and contacts' do
         params = {