feat: notify on slack disconnect (#1323)

app/mailers/administrator_notifications/channel_notifications_mailer.rb

@@ -0,0 +1,10 @@
+class AdministratorNotifications::ChannelNotificationsMailer < ApplicationMailer
+  def slack_disconnect(account)
+    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
+  end
+end

app/models/concerns/reauthorizable.rb

@@ -36,7 +36,7 @@ module Reauthorizable
   # could used to manually prompt reauthorization if auth scope changes
   def prompt_reauthorization!
     ::Redis::Alfred.set(reauthorization_required_key, true)
-    # TODO: send_reauthorize_prompt_email
+    AdministratorNotifications::ChannelNotificationsMailer.slack_disconnect(account)&.deliver_later if (is_a? Integrations::Hook) && slack?
   end
 
   # call this after you successfully Reauthorized the object in UI

app/models/integrations/hook.rb

@@ -15,6 +15,8 @@
 #  reference_id :string
 #
 class Integrations::Hook < ApplicationRecord
+  include Reauthorizable
+
   validates :account_id, presence: true
   validates :app_id, presence: true
 
@@ -33,4 +35,8 @@ class Integrations::Hook < ApplicationRecord
   def slack?
     app_id == 'slack'
   end
+
+  def disable
+    update(status: 'disabled')
+  end
 end

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

@@ -0,0 +1,8 @@
+<p>Hello,</p>
+
+<p>Your Slack integration has expired. </p>
+<p>Please reconnect Slack to continue receiving messages on Slack</p>
+
+<p>
+Click <a href="{{action_url}}">here</a> to re-connect.
+</p>