50 lines
1.3 KiB
Ruby
50 lines
1.3 KiB
Ruby
# Code taken from Mephisto sources (http://mephistoblog.com/)
|
|
module Locomotive
|
|
module Liquid
|
|
module Drops
|
|
class Base < ::Liquid::Drop
|
|
|
|
class_inheritable_reader :liquid_attributes
|
|
write_inheritable_attribute :liquid_attributes, []
|
|
attr_reader :source
|
|
delegate :hash, :to => :source
|
|
|
|
def initialize(source)
|
|
unless source.nil?
|
|
@source = source
|
|
@liquid = liquid_attributes.flatten.inject({}) { |h, k| h.update k.to_s => @source.send(k) }
|
|
end
|
|
end
|
|
|
|
def id
|
|
(@source.respond_to?(:id) ? @source.id : nil) || 'new'
|
|
end
|
|
|
|
def before_method(method)
|
|
@liquid[method.to_s]
|
|
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 |