engine/lib/locomotive/liquid/drops/base.rb
2011-10-24 23:34:43 +08:00

43 lines
980 B
Ruby

# Liquify taken from Mephisto sources (http://mephistoblog.com/)
module Locomotive
module Liquid
module Drops
class Base < ::Liquid::Drop
@@forbidden_attributes = %w{_id _version _index}
attr_reader :_source
def initialize(source)
@_source = source
end
def id
(@_source.respond_to?(:id) ? @_source.id : nil) || 'new'
end
# converts an array of records to an array of liquid drops
def self.liquify(*records, &block)
i = -1
records =
records.inject [] do |all, r|
i+=1
attrs = (block && block.arity == 1) ? [r] : [r, i]
all << (block ? block.call(*attrs) : r.to_liquid)
all
end
records.compact!
records
end
protected
def liquify(*records, &block)
self.class.liquify(*records, &block)
end
end
end
end
end