1 files changed, 34 insertions, 0 deletions
diff --git a/app/models/concerns/strip_attribute.rb b/app/models/concerns/strip_attribute.rb
new file mode 100644
index 00000000000..8806ebe897a
--- /dev/null
+++ b/app/models/concerns/strip_attribute.rb
@@ -0,0 +1,34 @@
+# == Strip Attribute module
+#
+# Contains functionality to clean attributes before validation
+#
+# Usage:
+#
+#     class Milestone < ActiveRecord::Base
+#       strip_attributes :title
+#     end
+#
+#
+module StripAttribute
+  extend ActiveSupport::Concern
+
+  module ClassMethods
+    def strip_attributes(*attrs)
+      strip_attrs.concat(attrs)
+    end
+
+    def strip_attrs
+      @strip_attrs ||= []
+    end
+  end
+
+  included do
+    before_validation :strip_attributes
+  end
+
+  def strip_attributes
+    self.class.strip_attrs.each do |attr|
+      self[attr].strip! if self[attr] && self[attr].respond_to?(:strip!)
+    end
+  end
+end