Initial Commit

Co-authored-by: Subin <subinthattaparambil@gmail.com>
Co-authored-by: Manoj <manojmj92@gmail.com>
Co-authored-by: Nithin <webofnithin@gmail.com>

app/models/facebook_page.rb

@@ -0,0 +1,27 @@
+class FacebookPage < ApplicationRecord
+
+  validates :account_id, presence: true
+  validates_uniqueness_of :page_id, scope: :account_id
+  mount_uploader :avatar, AvatarUploader
+  belongs_to :account
+
+  has_one :inbox, as: :channel, dependent: :destroy
+
+  before_destroy :unsubscribe
+
+
+  def name
+    "Facebook"
+  end
+
+  private
+
+  def unsubscribe
+    begin
+      Facebook::Messenger::Subscriptions.unsubscribe(access_token: page_access_token)
+    rescue => e
+      true
+    end
+  end
+
+end