chore: Mark Facebook accounts for reconnection (#2405)

fixes: #2037

app/builders/messages/facebook/message_builder.rb

@@ -17,10 +17,15 @@ class Messages::Facebook::MessageBuilder
   end
 
   def perform
+    # This channel might require reauthorization, may be owner might have changed the fb password
+    return if @inbox.channel.reauthorization_required?
+
     ActiveRecord::Base.transaction do
       build_contact
       build_message
     end
+  rescue Koala::Facebook::AuthenticationError
+    Rails.logger.info "Facebook Authorization expired for Inbox #{@inbox.id}"
   rescue StandardError => e
     Raven.capture_exception(e)
     true
@@ -136,6 +141,9 @@ class Messages::Facebook::MessageBuilder
     begin
       k = Koala::Facebook::API.new(@inbox.channel.page_access_token) if @inbox.facebook?
       result = k.get_object(@sender_id) || {}
+    rescue Koala::Facebook::AuthenticationError
+      @inbox.channel.authorization_error!
+      raise
     rescue StandardError => e
       result = {}
       Raven.capture_exception(e)

app/mailers/administrator_notifications/channel_notifications_mailer.rb

@@ -1,10 +1,23 @@
 class AdministratorNotifications::ChannelNotificationsMailer < ApplicationMailer
-  def slack_disconnect(account)
+  def slack_disconnect
     return unless smtp_config_set_or_development?
 
-    emails = account.administrators.pluck(:email)
     subject = 'Your Slack integration has expired'
-    @action_url = "#{ENV['FRONTEND_URL']}/app/accounts/#{account.id}/settings/integrations/slack"
-    send_mail_with_liquid(to: emails, subject: subject) and return
+    @action_url = "#{ENV['FRONTEND_URL']}/app/accounts/#{Current.account.id}/settings/integrations/slack"
+    send_mail_with_liquid(to: admin_emails, subject: subject) and return
+  end
+
+  def facebook_disconnect(inbox)
+    return unless smtp_config_set_or_development?
+
+    subject = 'Your Facebook page connection has expired'
+    @action_url = "#{ENV['FRONTEND_URL']}/app/accounts/#{Current.account.id}/settings/inboxes/#{inbox.id}"
+    send_mail_with_liquid(to: admin_emails, subject: subject) and return
+  end
+
+  private
+
+  def admin_emails
+    Current.account.administrators.pluck(:email)
   end
 end

app/models/concerns/reauthorizable.rb

@@ -36,9 +36,13 @@ module Reauthorizable
   # could used to manually prompt reauthorization if auth scope changes
   def prompt_reauthorization!
     ::Redis::Alfred.set(reauthorization_required_key, true)
-    return unless (is_a? Integrations::Hook) && slack?
 
-    AdministratorNotifications::ChannelNotificationsMailer.with(account: account).slack_disconnect(account)&.deliver_later
+    if (is_a? Integrations::Hook) && slack?
+      AdministratorNotifications::ChannelNotificationsMailer.with(account: account).slack_disconnect.deliver_later
+    end
+    return unless is_a? Channel::FacebookPage
+
+    AdministratorNotifications::ChannelNotificationsMailer.with(account: account).facebook_disconnect(inbox).deliver_later
   end
 
   # call this after you successfully Reauthorized the object in UI

app/views/mailers/administrator_notifications/channel_notifications_mailer/facebook_disconnect.liquid

@@ -0,0 +1,8 @@
+<p>Hello,</p>
+
+<p>Your Facebook Inbox Access has expired. </p>
+<p>Please reconnect Facebook Page to continue receiving messages in Chatwoot</p>
+
+<p>
+Click <a href="{{action_url}}">here</a> to re-connect.
+</p>