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module ComfortableMexicanSofa::IsCategorized
def self.included(base)
base.send :extend, ClassMethods
end
module ClassMethods
def cms_is_categorized
include ComfortableMexicanSofa::IsCategorized::InstanceMethods
has_many :categorizations,
:as => :categorized,
:class_name => 'Cms::Categorization',
:dependent => :destroy
has_many :categories,
:through => :categorizations,
:class_name => 'Cms::Category'
attr_accessor :category_ids
after_save :sync_categories
scope :for_category, lambda { |*categories|
if (categories = [categories].flatten.compact).present?
select("DISTINCT #{table_name}.*").
joins(:categorizations => :category).
where('cms_categories.label' => categories)
end
}
end
end
module InstanceMethods
def sync_categories
(self.category_ids || {}).each do |category_id, flag|
case flag.to_i
when 1
if category = Cms::Category.find_by_id(category_id)
category.categorizations.create(:categorized => self)
end
when 0
self.categorizations.where(:category_id => category_id).destroy_all
end
end
end
end
end
ActiveRecord::Base.send :include, ComfortableMexicanSofa::IsCategorized
Version data entries
47 entries across 47 versions & 1 rubygems