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# File 'lib/taxonomy/has_taxonomy.rb', line 17
def has_taxonomy_on(*args)
treed_args = []
args.flatten! if args
args.compact! if args
args.each do |tag_type|
if tag_type.is_a?(Hash)
treed_tags = tag_type.values.flatten
treed_tags.compact!
treed_tags.each do |tree|
treed_args << tree
end
args.delete(tag_type)
end
end
if !(args & treed_args).empty?
raise "duplicate taxonomy keys"
end
args.concat(treed_args)
args.flatten!
args.map!{|x| x.to_s}
treed_args.map!{|x| x.to_s}
args.each do |tag_type|
class_eval do
has_many "#{tag_type.singularize}_taggings".to_sym, :as => :taggable, :dependent => :destroy,
:include => :tag, :conditions => ['tags.context = ?',tag_type.singularize], :class_name => "Tagging"
has_many "#{tag_type}".to_sym, :through => "#{tag_type.singularize}_taggings".to_sym, :source => :tag
end
class_eval " def self.taggable?\n true\n end\n \n def self.\#{tag_type}_treed?\n treed_list_on?(\"\#{tag_type}\")\n end\n\n def self.caching_\#{tag_type.singularize}_list?\n caching_tag_list_on?(\"\#{tag_type}\")\n end\n\n def self.\#{tag_type.singularize}_counts(options={})\n tag_counts_on('\#{tag_type}',options)\n end\n\n def \#{tag_type.singularize}_list\n tag_list_on('\#{tag_type}')\n end\n\n def \#{tag_type.singularize}_list=(new_tags)\n set_tag_list_on('\#{tag_type}',new_tags)\n end\n\n def \#{tag_type.singularize}_counts(options = {})\n tag_counts_on('\#{tag_type}',options)\n end\n\n def \#{tag_type}_from(owner)\n tag_list_on('\#{tag_type}', owner)\n end\n\n def find_related_\#{tag_type}(options = {})\n related_tags_for('\#{tag_type}', self.class, options)\n end\n alias_method :find_related_on_\#{tag_type}, :find_related_\#{tag_type}\n\n def find_related_\#{tag_type}_for(klass, options = {})\n related_tags_for('\#{tag_type}', klass, options)\n end\n\n def find_matching_contexts(search_context, result_context, options = {})\n matching_contexts_for(search_context.to_s, result_context.to_s, self.class, options)\n end\n \n def find_matching_contexts_for(klass, search_context, result_context, options = {})\n matching_contexts_for(search_context.to_s, result_context.to_s, klass, options)\n end\n\n def top_\#{tag_type}(limit = 10)\n tag_counts_on('\#{tag_type}', :order => 'count desc', :limit => limit.to_i)\n end\n\n def self.top_\#{tag_type}(limit = 10)\n tag_counts_on('\#{tag_type}', :order => 'count desc', :limit => limit.to_i)\n end\n RUBY\n \n end\n if respond_to?(:tag_types)\n write_inheritable_attribute( :tag_types, (tag_types + args).uniq )\n write_inheritable_attribute( :treed_tag_types, treed_args)\n else\n class_eval do\n write_inheritable_attribute(:tag_types, args.uniq)\n class_inheritable_reader :tag_types\n \n write_inheritable_attribute( :treed_tag_types, treed_args.uniq)\n class_inheritable_reader :treed_tag_types\n\n has_many :taggings, :as => :taggable, :dependent => :destroy, :include => :tag\n has_many :base_tags, :class_name => \"Tag\", :through => :taggings, :source => :tag\n\n attr_writer :custom_contexts\n\n before_save :save_cached_tag_list\n after_save :save_tags\n\n if respond_to?(:scope)\n scope :tagged_with, lambda{ |*args|\n find_options_for_find_tagged_with(*args)\n }\n end\n \n end\n\n include ActiveRecord::Acts::Taxonomy::InstanceMethods\n extend ActiveRecord::Acts::Taxonomy::SingletonMethods\n alias_method_chain :reload, :tag_list\n end\nend\n"
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