119 lines
3.1 KiB
Ruby
119 lines
3.1 KiB
Ruby
require 'rss/taxonomy'
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require 'rss/maker/1.0'
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require 'rss/maker/dublincore'
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module RSS
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module Maker
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module TaxonomyTopicsModel
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def self.append_features(klass)
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super
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klass.def_classed_element("#{RSS::TAXO_PREFIX}_topics",
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"TaxonomyTopics")
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end
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def self.install_taxo_topics(klass)
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klass.module_eval(<<-EOC, __FILE__, __LINE__ + 1)
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class TaxonomyTopics < TaxonomyTopicsBase
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def to_feed(feed, current)
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if current.respond_to?(:taxo_topics)
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topics = current.class::TaxonomyTopics.new
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bag = topics.Bag
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@resources.each do |resource|
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bag.lis << RDF::Bag::Li.new(resource)
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end
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current.taxo_topics = topics
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end
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end
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end
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EOC
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end
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class TaxonomyTopicsBase < Base
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attr_reader :resources
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def_array_element("resource")
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remove_method :new_resource
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end
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end
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module TaxonomyTopicModel
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def self.append_features(klass)
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super
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class_name = "TaxonomyTopics"
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klass.def_classed_elements("#{TAXO_PREFIX}_topic", "value", class_name)
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end
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def self.install_taxo_topic(klass)
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klass.module_eval(<<-EOC, __FILE__, __LINE__ + 1)
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class TaxonomyTopics < TaxonomyTopicsBase
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class TaxonomyTopic < TaxonomyTopicBase
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DublinCoreModel.install_dublin_core(self)
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TaxonomyTopicsModel.install_taxo_topics(self)
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def to_feed(feed, current)
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if current.respond_to?(:taxo_topics)
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topic = current.class::TaxonomyTopic.new(value)
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topic.taxo_link = value
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taxo_topics.to_feed(feed, topic) if taxo_topics
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current.taxo_topics << topic
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setup_other_elements(feed, topic)
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end
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end
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end
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end
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EOC
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end
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class TaxonomyTopicsBase < Base
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def_array_element("topic", nil, "TaxonomyTopic")
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alias_method(:new_taxo_topic, :new_topic) # For backward compatibility
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class TaxonomyTopicBase < Base
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include DublinCoreModel
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include TaxonomyTopicsModel
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attr_accessor :value
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add_need_initialize_variable("value")
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alias_method(:taxo_link, :value)
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alias_method(:taxo_link=, :value=)
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def have_required_values?
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@value
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end
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end
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end
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end
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class RSSBase
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include TaxonomyTopicModel
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end
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class ChannelBase
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include TaxonomyTopicsModel
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end
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class ItemsBase
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class ItemBase
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include TaxonomyTopicsModel
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end
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end
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makers.each do |maker|
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maker.module_eval(<<-EOC, __FILE__, __LINE__ + 1)
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TaxonomyTopicModel.install_taxo_topic(self)
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class Channel
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TaxonomyTopicsModel.install_taxo_topics(self)
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end
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class Items
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class Item
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TaxonomyTopicsModel.install_taxo_topics(self)
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end
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end
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EOC
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end
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end
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end
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