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25 lines
626 B
Ruby
25 lines
626 B
Ruby
class Tag < Sequel::Model
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NAME_LENGTH_MAX = 25
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NAME_WORDS_MAX = 1
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many_to_many :sites
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def before_create
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super
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values[:name].downcase!
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end
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def self.create_unless_exists(name)
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dataset.filter(name: name).first || create(name: name)
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end
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def self.suggestions(name, limit=3)
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Tag.filter(name: /^#{name}/).
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order(:name).
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limit(limit).
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all
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end
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def self.popular_names(limit=10)
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DB["select tags.name,count(*) as c from sites_tags inner join tags on tags.id=sites_tags.tag_id where tags.name != '' group by tags.name having count(*) > 1 order by c desc LIMIT ?", limit].all
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end
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end
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