feat: Add delivery status for Twilio Channel (#8082)

Co-authored-by: Pranav Raj S <pranav@chatwoot.com>

app/controllers/twilio/delivery_status_controller.rb

@@ -0,0 +1,21 @@
+class Twilio::DeliveryStatusController < ApplicationController
+  def create
+    ::Twilio::DeliveryStatusService.new(params: permitted_params).perform
+
+    head :no_content
+  end
+
+  private
+
+  def permitted_params
+    params.permit(
+      :AccountSid,
+      :From,
+      :MessageSid,
+      :MessagingServiceSid,
+      :MessageStatus,
+      :ErrorCode,
+      :ErrorMessage
+    )
+  end
+end

app/javascript/dashboard/components/widgets/conversation/bubble/Actions.vue

@@ -201,7 +201,7 @@ export default {
         return !!this.sourceId;
       }
 
-      if (this.isAWhatsAppChannel) {
+      if (this.isAWhatsAppChannel || this.isATwilioChannel) {
         return this.sourceId && this.isSent;
       }
       return false;
@@ -211,7 +211,7 @@ export default {
         return false;
       }
 
-      if (this.isAWhatsAppChannel) {
+      if (this.isAWhatsAppChannel || this.isATwilioChannel) {
         return this.sourceId && this.isDelivered;
       }
 
@@ -227,7 +227,7 @@ export default {
         return contactLastSeenAt >= this.createdAt;
       }
 
-      if (this.isAWhatsAppChannel) {
+      if (this.isAWhatsAppChannel || this.isATwilioChannel) {
         return this.sourceId && this.isRead;
       }
 

app/models/channel/twilio_sms.rb

@@ -22,6 +22,7 @@
 
 class Channel::TwilioSms < ApplicationRecord
   include Channelable
+  include Rails.application.routes.url_helpers
 
   self.table_name = 'channel_twilio_sms'
 
@@ -47,6 +48,7 @@ def messaging_window_enabled?
   def send_message(to:, body:, media_url: nil)
     params = send_message_from.merge(to: to, body: body)
     params[:media_url] = media_url if media_url.present?
+    params[:status_callback] = twilio_delivery_status_index_url
     client.messages.create(**params)
   end
 

app/services/twilio/delivery_status_service.rb

@@ -0,0 +1,55 @@
+class Twilio::DeliveryStatusService
+  pattr_initialize [:params!]
+  # Reference: https://www.twilio.com/docs/messaging/api/message-resource#message-status-values
+
+  def perform
+    return if twilio_channel.blank?
+
+    return unless supported_status?
+
+    process_statuses if message.present?
+  end
+
+  private
+
+  def process_statuses
+    @message.status = params[:MessageStatus]
+    @message.external_error = external_error if error_occurred?
+    @message.save!
+  end
+
+  def supported_status?
+    %w[sent delivered read failed undelivered].include?(params[:MessageStatus])
+  end
+
+  def external_error
+    return nil unless error_occurred?
+
+    error_message = params[:ErrorMessage].presence
+    error_code = params[:ErrorCode]
+
+    if error_message.present?
+      "#{error_code} - #{error_message}"
+    elsif error_code.present?
+      I18n.t('conversations.messages.delivery_status.error_code', error_code: error_code)
+    end
+  end
+
+  def error_occurred?
+    params[:ErrorCode].present? && %w[failed undelivered].include?(params[:MessageStatus])
+  end
+
+  def twilio_channel
+    @twilio_channel ||= if params[:MessagingServiceSid].present?
+                          ::Channel::TwilioSms.find_by(messaging_service_sid: params[:MessagingServiceSid])
+                        elsif params[:AccountSid].present? && params[:From].present?
+                          ::Channel::TwilioSms.find_by!(account_sid: params[:AccountSid], phone_number: params[:From])
+                        end
+  end
+
+  def message
+    return unless params[:MessageSid]
+
+    @message ||= twilio_channel.inbox.messages.find_by(source_id: params[:MessageSid])
+  end
+end

config/locales/en.yml

@@ -126,6 +126,8 @@ en:
       instagram_story_content: "%{story_sender} mentioned you in the story: "
       instagram_deleted_story_content: This story is no longer available.
       deleted: This message was deleted
+      delivery_status:
+        error_code: "Error code: %{error_code}"
     activity:
       status:
         resolved: "Conversation was marked resolved by %{user_name}"

config/routes.rb

@@ -396,6 +396,7 @@
 
   namespace :twilio do
     resources :callback, only: [:create]
+    resources :delivery_status, only: [:create]
   end
 
   get 'microsoft/callback', to: 'microsoft/callbacks#show'

spec/controllers/twilio/delivery_status_controller_spec.rb

@@ -0,0 +1,18 @@
+require 'rails_helper'
+
+RSpec.describe 'Twilio::DeliveryStatusController', type: :request do
+  include Rails.application.routes.url_helpers
+  let(:twilio_service) { instance_double(Twilio::DeliveryStatusService) }
+
+  before do
+    allow(Twilio::DeliveryStatusService).to receive(:new).and_return(twilio_service)
+    allow(twilio_service).to receive(:perform)
+  end
+
+  describe 'POST /twilio/delivery' do
+    it 'calls incoming message service' do
+      post twilio_delivery_status_index_url, params: {}
+      expect(twilio_service).to have_received(:perform)
+    end
+  end
+end

spec/models/channel/twilio_sms_spec.rb

@@ -68,7 +68,8 @@
       expect(twilio_messages).to receive(:create).with(
         messaging_service_sid: channel.messaging_service_sid,
         to: '+15555550111',
-        body: 'hello world'
+        body: 'hello world',
+        status_callback: 'http://localhost:3000/twilio/delivery_status'
       ).once
 
       channel.send_message(to: '+15555550111', body: 'hello world')
@@ -81,7 +82,8 @@
         expect(twilio_messages).to receive(:create).with(
           from: channel.phone_number,
           to: '+15555550111',
-          body: 'hello world'
+          body: 'hello world',
+          status_callback: 'http://localhost:3000/twilio/delivery_status'
         ).once
 
         channel.send_message(to: '+15555550111', body: 'hello world')
@@ -94,7 +96,8 @@
           messaging_service_sid: channel.messaging_service_sid,
           to: '+15555550111',
           body: 'hello world',
-          media_url: ['https://example.com/1.jpg']
+          media_url: ['https://example.com/1.jpg'],
+          status_callback: 'http://localhost:3000/twilio/delivery_status'
         ).once
 
         channel.send_message(to: '+15555550111', body: 'hello world', media_url: ['https://example.com/1.jpg'])

spec/services/twilio/delivery_status_service_spec.rb

@@ -0,0 +1,110 @@
+require 'rails_helper'
+
+describe Twilio::DeliveryStatusService do
+  let!(:account) { create(:account) }
+  let!(:twilio_channel) do
+    create(:channel_twilio_sms, account: account, account_sid: 'ACxxx',
+                                inbox: create(:inbox, account: account, greeting_enabled: false))
+  end
+  let!(:contact) { create(:contact, account: account, phone_number: '+12345') }
+  let(:contact_inbox) { create(:contact_inbox, source_id: '+12345', contact: contact, inbox: twilio_channel.inbox) }
+  let!(:conversation) { create(:conversation, contact: contact, inbox: twilio_channel.inbox, contact_inbox: contact_inbox) }
+
+  describe '#perform' do
+    context 'when message delivery status is fired' do
+      before do
+        create(:message, account: account, inbox: twilio_channel.inbox, conversation: conversation, status: :sent,
+                         source_id: 'SMd560ac79e4a4d36b3ce59f1f50471986')
+      end
+
+      it 'updates the message if the status is delivered' do
+        params = {
+          SmsSid: 'SMxx',
+          From: '+12345',
+          AccountSid: 'ACxxx',
+          MessagingServiceSid: twilio_channel.messaging_service_sid,
+          MessageSid: conversation.messages.last.source_id,
+          MessageStatus: 'delivered'
+        }
+
+        described_class.new(params: params).perform
+        expect(conversation.reload.messages.last.status).to eq('delivered')
+      end
+
+      it 'updates the message if the status is read' do
+        params = {
+          SmsSid: 'SMxx',
+          From: '+12345',
+          AccountSid: 'ACxxx',
+          MessagingServiceSid: twilio_channel.messaging_service_sid,
+          MessageSid: conversation.messages.last.source_id,
+          MessageStatus: 'read'
+        }
+
+        described_class.new(params: params).perform
+        expect(conversation.reload.messages.last.status).to eq('read')
+      end
+
+      it 'does not update the message if the status is not a support status' do
+        params = {
+          SmsSid: 'SMxx',
+          From: '+12345',
+          AccountSid: 'ACxxx',
+          MessagingServiceSid: twilio_channel.messaging_service_sid,
+          MessageSid: conversation.messages.last.source_id,
+          MessageStatus: 'queued'
+        }
+
+        described_class.new(params: params).perform
+        expect(conversation.reload.messages.last.status).to eq('sent')
+      end
+
+      it 'updates message status to failed if message status is failed' do
+        params = {
+          SmsSid: 'SMxx',
+          From: '+12345',
+          AccountSid: 'ACxxx',
+          MessagingServiceSid: twilio_channel.messaging_service_sid,
+          MessageSid: conversation.messages.last.source_id,
+          MessageStatus: 'failed'
+        }
+
+        described_class.new(params: params).perform
+        expect(conversation.reload.messages.last.status).to eq('failed')
+      end
+
+      it 'updates message status to failed and updates the error message if message status is undelivered' do
+        params = {
+          SmsSid: 'SMxx',
+          From: '+12345',
+          AccountSid: 'ACxxx',
+          MessagingServiceSid: twilio_channel.messaging_service_sid,
+          MessageSid: conversation.messages.last.source_id,
+          MessageStatus: 'failed',
+          ErrorCode: '30008',
+          ErrorMessage: 'Unknown error'
+        }
+
+        described_class.new(params: params).perform
+        expect(conversation.reload.messages.last.status).to eq('failed')
+        expect(conversation.reload.messages.last.external_error).to eq('30008 - Unknown error')
+      end
+
+      it 'updates the error message if message status is undelivered and error message is not present' do
+        params = {
+          SmsSid: 'SMxx',
+          From: '+12345',
+          AccountSid: 'ACxxx',
+          MessagingServiceSid: twilio_channel.messaging_service_sid,
+          MessageSid: conversation.messages.last.source_id,
+          MessageStatus: 'failed',
+          ErrorCode: '30008'
+        }
+
+        described_class.new(params: params).perform
+        expect(conversation.reload.messages.last.status).to eq('failed')
+        expect(conversation.reload.messages.last.external_error).to eq('Error code: 30008')
+      end
+    end
+  end
+end

spec/services/twilio/oneoff_sms_campaign_service_spec.rb

@@ -41,17 +41,20 @@
       expect(twilio_messages).to receive(:create).with(
         body: campaign.message,
         messaging_service_sid: twilio_sms.messaging_service_sid,
-        to: contact_with_label1.phone_number
+        to: contact_with_label1.phone_number,
+        status_callback: 'http://localhost:3000/twilio/delivery_status'
       ).once
       expect(twilio_messages).to receive(:create).with(
         body: campaign.message,
         messaging_service_sid: twilio_sms.messaging_service_sid,
-        to: contact_with_label2.phone_number
+        to: contact_with_label2.phone_number,
+        status_callback: 'http://localhost:3000/twilio/delivery_status'
       ).once
       expect(twilio_messages).to receive(:create).with(
         body: campaign.message,
         messaging_service_sid: twilio_sms.messaging_service_sid,
-        to: contact_with_both_labels.phone_number
+        to: contact_with_both_labels.phone_number,
+        status_callback: 'http://localhost:3000/twilio/delivery_status'
       ).once
 
       sms_campaign_service.perform