17 lines
318 B
Ruby
17 lines
318 B
Ruby
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class Ratings
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@ratings = Hash.new(0)
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def initialize
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ratings = TalkPreference.all.pluck(:talks).reduce(Hash.new(0)) do |result, talks|
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talks.map(&:to_i).each { |talk| result[talk] += 1 }
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result
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end.to_h
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@ratings = Hash.new(0).merge!(ratings)
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end
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def [](id)
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@ratings[id]
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end
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end
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