time_scopes.rb
541 Bytes
module TimeScopes
def self.included(recipient)
recipient.extend(ClassMethods)
end
module ClassMethods
def self.extended (base)
if base.respond_to?(:scope) && base.attribute_names.include?('created_at')
base.class_eval do
scope :younger_than, lambda { |created_at|
where "#{table_name}.created_at > ?", created_at
}
scope :older_than, lambda { |created_at|
where "#{table_name}.created_at < ?", created_at
}
end
end
end
end
end