41 lines
666 B
Ruby
41 lines
666 B
Ruby
module PostSets
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class Base
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def has_wiki?
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is_single_tag?
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end
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def wiki_page
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nil
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end
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def has_artist?
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is_single_tag?
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end
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def artist
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end
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def presenter
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@presenter ||= PostSetPresenter.new(self)
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end
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def is_single_tag?
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false
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end
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def arbitrary_sql_order_clause(ids, table_name)
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if ids.empty?
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return "#{table_name}.id desc"
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end
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conditions = []
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ids.each_with_index do |x, n|
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conditions << "when #{x} then #{n}"
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end
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"case #{table_name}.id " + conditions.join(" ") + " end"
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end
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end
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end
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