feat: Add delivery reports for live chat (#8092)

app/controllers/api/v1/widget/conversations_controller.rb

@@ -28,6 +28,7 @@ def update_last_seen
 
     conversation.contact_last_seen_at = DateTime.now.utc
     conversation.save!
+    ::Conversations::MarkMessagesAsReadJob.perform_later(conversation)
     head :ok
   end
 

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

@@ -214,6 +214,10 @@ export default {
       if (this.isAWhatsAppChannel || this.isATwilioChannel) {
         return this.sourceId && this.isDelivered;
       }
+      // We will consider messages as delivered for web widget inbox if they are sent
+      if (this.isAWebWidgetInbox) {
+        return this.isSent;
+      }
 
       return false;
     },

app/jobs/conversations/mark_messages_as_read_job.rb

@@ -0,0 +1,13 @@
+class Conversations::MarkMessagesAsReadJob < ApplicationJob
+  queue_as :low
+
+  def perform(conversation)
+    # Mark every message created before the user's viewing time as read.
+    conversation.messages.where(status: %w[sent delivered])
+                .where.not(message_type: 'incoming')
+                .where('created_at <= ?',
+                       conversation.contact_last_seen_at).find_each do |message|
+      message.update!(status: 'read')
+    end
+  end
+end

spec/controllers/api/v1/widget/conversations_controller_spec.rb

@@ -170,6 +170,7 @@
       it 'returns the correct conversation params' do
         allow(Rails.configuration.dispatcher).to receive(:dispatch)
         expect(conversation.contact_last_seen_at).to be_nil
+        expect(Conversations::MarkMessagesAsReadJob).to receive(:perform_later).with(conversation)
 
         post '/api/v1/widget/conversations/update_last_seen',
              headers: { 'X-Auth-Token' => token },

spec/jobs/conversations/mark_messages_as_read_job_spec.rb

@@ -0,0 +1,61 @@
+require 'rails_helper'
+
+RSpec.describe Conversations::MarkMessagesAsReadJob do
+  subject(:job) { described_class.perform_later(account) }
+
+  let!(:account) { create(:account) }
+  let!(:conversation) { create(:conversation, account: account, contact_last_seen_at: DateTime.now.utc) }
+  let!(:message) { create(:message, conversation: conversation, message_type: 'outgoing', status: 'sent', created_at: 1.day.ago) }
+
+  it 'enqueues the job' do
+    expect { job }.to have_enqueued_job(described_class)
+      .with(account)
+      .on_queue('low')
+  end
+
+  context 'when called' do
+    it 'marks all sent messages in a conversation as read' do
+      expect do
+        described_class.perform_now(conversation)
+        message.reload
+      end.to change(message, :status).from('sent').to('read')
+    end
+
+    it 'marks all delivered messages in a conversation as read' do
+      message.update!(status: 'delivered')
+      expect do
+        described_class.perform_now(conversation)
+        message.reload
+      end.to change(message, :status).from('delivered').to('read')
+    end
+
+    it 'marks all templates messages in a conversation as read' do
+      message.update!(status: 'delivered', message_type: 'template')
+      expect do
+        described_class.perform_now(conversation)
+        message.reload
+      end.to change(message, :status).from('delivered').to('read')
+    end
+
+    it 'does not mark failed messages as read' do
+      message.update!(status: 'failed')
+      expect do
+        described_class.perform_now(conversation)
+      end.not_to change(message.reload, :status)
+    end
+
+    it 'does not mark incoming messages as read' do
+      message.update!(message_type: 'incoming')
+      expect do
+        described_class.perform_now(conversation)
+      end.not_to change(message.reload, :status)
+    end
+
+    it 'does not mark messages created after the contact last seen time as read' do
+      message.update!(created_at: DateTime.now.utc)
+      expect do
+        described_class.perform_now(conversation)
+      end.not_to change(message.reload, :status)
+    end
+  end
+end