1 files changed, 28 insertions, 0 deletions
diff --git a/app/models/redirect_route.rb b/app/models/redirect_route.rb
index 31de204d824..20532527346 100644
--- a/app/models/redirect_route.rb
+++ b/app/models/redirect_route.rb
@@ -17,4 +17,32 @@ class RedirectRoute < ActiveRecord::Base
 
     where(wheres, path, "#{sanitize_sql_like(path)}/%")
   end
+
+  scope :permanent, -> do
+    if column_permanent_exists?
+      where(permanent: true)
+    else
+      none
+    end
+  end
+
+  scope :temporary, -> do
+    if column_permanent_exists?
+      where(permanent: [false, nil])
+    else
+      all
+    end
+  end
+
+  default_value_for :permanent, false
+
+  def permanent=(value)
+    if self.class.column_permanent_exists?
+      super
+    end
+  end
+
+  def self.column_permanent_exists?
+    ActiveRecord::Base.connection.column_exists?(:redirect_routes, :permanent)
+  end
 end