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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 <<-RUBY
def self.taggable?
true
end
def self.#{tag_type}_treed?
treed_list_on?("#{tag_type}")
end
def self.caching_#{tag_type.singularize}_list?
caching_tag_list_on?("#{tag_type}")
end
def self.#{tag_type.singularize}_counts(options={})
tag_counts_on('#{tag_type}',options)
end
def #{tag_type.singularize}_list
tag_list_on('#{tag_type}')
end
def #{tag_type.singularize}_list=(new_tags)
set_tag_list_on('#{tag_type}',new_tags)
end
def #{tag_type.singularize}_counts(options = {})
tag_counts_on('#{tag_type}',options)
end
def #{tag_type}_from(owner)
tag_list_on('#{tag_type}', owner)
end
def find_related_#{tag_type}(options = {})
related_tags_for('#{tag_type}', self.class, options)
end
alias_method :find_related_on_#{tag_type}, :find_related_#{tag_type}
def find_related_#{tag_type}_for(klass, options = {})
related_tags_for('#{tag_type}', klass, options)
end
def find_matching_contexts(search_context, result_context, options = {})
matching_contexts_for(search_context.to_s, result_context.to_s, self.class, options)
end
def find_matching_contexts_for(klass, search_context, result_context, options = {})
matching_contexts_for(search_context.to_s, result_context.to_s, klass, options)
end
def top_#{tag_type}(limit = 10)
tag_counts_on('#{tag_type}', :order => 'count desc', :limit => limit.to_i)
end
def self.top_#{tag_type}(limit = 10)
tag_counts_on('#{tag_type}', :order => 'count desc', :limit => limit.to_i)
end
RUBY
end
if respond_to?(:tag_types)
write_inheritable_attribute( :tag_types, (tag_types + args).uniq )
write_inheritable_attribute( :treed_tag_types, treed_args)
else
class_eval do
write_inheritable_attribute(:tag_types, args.uniq)
class_inheritable_reader :tag_types
write_inheritable_attribute( :treed_tag_types, treed_args.uniq)
class_inheritable_reader :treed_tag_types
has_many :taggings, :as => :taggable, :dependent => :destroy, :include => :tag
has_many :base_tags, :class_name => "Tag", :through => :taggings, :source => :tag
attr_writer :custom_contexts
before_save :save_cached_tag_list
after_save :save_tags
if respond_to?(:scope)
scope :tagged_with, lambda{ |*args|
find_options_for_find_tagged_with(*args)
}
end
end
include ActiveRecord::Acts::Taxonomy::InstanceMethods
extend ActiveRecord::Acts::Taxonomy::SingletonMethods
alias_method_chain :reload, :tag_list
end
end
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