55 lines
1.3 KiB
Ruby
55 lines
1.3 KiB
Ruby
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# Code taken from Mephisto sources (http://mephistoblog.com/)
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module Locomotive
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module Liquid
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module Drops
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class Base < ::Liquid::Drop
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class_inheritable_reader :liquid_attributes
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write_inheritable_attribute :liquid_attributes, []
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attr_reader :source
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delegate :hash, :to => :source
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def initialize(source)
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unless source.nil?
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@source = source
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@liquid = liquid_attributes.flatten.inject({}) { |h, k| h.update k.to_s => @source.send(k) }
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end
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end
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def id
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(@source.respond_to?(:id) ? @source.id : nil) || 'new'
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end
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def before_method(method)
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@liquid[method.to_s]
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end
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# converts an array of records to an array of liquid drops
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def self.liquify(*records, &block)
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i = -1
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records =
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records.inject [] do |all, r|
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i+=1
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attrs = (block && block.arity == 1) ? [r] : [r, i]
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all << (block ? block.call(*attrs) : r.to_liquid)
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all
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end
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records.compact!
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records
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end
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protected
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def liquify(*records, &block)
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self.class.liquify(*records, &block)
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end
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end
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end
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end
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end
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