chore: Add message_echo listener for Facebook (#1192)

Co-authored-by: Sojan Jose <sojan@pepalo.com>

app/models/channel/api.rb

@@ -17,6 +17,10 @@ class Channel::Api < ApplicationRecord
 
   has_one :inbox, as: :channel, dependent: :destroy
 
+  def name
+    'API'
+  end
+
   def has_24_hour_messaging_window?
     false
   end

app/models/channel/email.rb

@@ -26,6 +26,10 @@ class Channel::Email < ApplicationRecord
   has_one :inbox, as: :channel, dependent: :destroy
   before_validation :ensure_forward_to_address, on: :create
 
+  def name
+    'Email'
+  end
+
   def has_24_hour_messaging_window?
     false
   end

app/models/channel/facebook_page.rb

@@ -28,6 +28,10 @@ class Channel::FacebookPage < ApplicationRecord
   after_create_commit :subscribe
   before_destroy :unsubscribe
 
+  def name
+    'Facebook'
+  end
+
   def has_24_hour_messaging_window?
     true
   end

app/models/channel/twilio_sms.rb

@@ -30,11 +30,11 @@ class Channel::TwilioSms < ApplicationRecord
 
   has_one :inbox, as: :channel, dependent: :destroy
 
+  def name
+    medium == :sms ? 'Twilio SMS' : 'Whatsapp'
+  end
+
   def has_24_hour_messaging_window?
     true
   end
-
-  def name
-    'Twilio SMS'
-  end
 end

app/models/channel/twitter_profile.rb

@@ -26,6 +26,10 @@ class Channel::TwitterProfile < ApplicationRecord
 
   before_destroy :unsubscribe
 
+  def name
+    'Twitter'
+  end
+
   def has_24_hour_messaging_window?
     false
   end

app/models/channel/web_widget.rb

@@ -33,6 +33,10 @@ class Channel::WebWidget < ApplicationRecord
             2 => :emoji_picker,
             :column => 'feature_flags'
 
+  def name
+    'Website'
+  end
+
   def has_24_hour_messaging_window?
     false
   end

app/models/inbox.rb

@@ -66,6 +66,10 @@ class Inbox < ApplicationRecord
     channel.class.name.to_s == 'Channel::WebWidget'
   end
 
+  def inbox_type
+    channel.name
+  end
+
   def webhook_data
     {
       id: id,