28 lines
748 B
Ruby
28 lines
748 B
Ruby
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class Tag < ActiveRecord::Base
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validates_format_of :name, :with => /^\w+$/
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validates_uniqueness_of :name
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has_and_belongs_to_many :pages, :order => 'pages.name ASC'
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has_and_belongs_to_many :albums, :order => 'albums.name ASC'
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has_many :photo_tags, :dependent => :destroy
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has_many :photos, :through => :photo_tags
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def self.popular_tags
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tags = Page.popular_tags
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a_tags = Album.popular_tags
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p_tags = Photo.popular_tags
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[ a_tags, p_tags ].each do |ary|
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ary.each do |tag|
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t = tags.detect { |t2| t2.name == tag.name }
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if t
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t.count = t.count.to_i + tag.count.to_i
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else
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tags << tag
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end
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end
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end
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tags.sort { |a,b| a.name <=> b.name }
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end
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end
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