e3bfcbcd25
Class variables in Ruby are not the same as instance variables of a class. They're particularly tricky when it comes to inheritance and modules. In the case of the Measurable module, for example, using a class variable will make all classes including the Measurable module share the same value. However, that's not what we want; we want the variable to be different for every class. And that's accomplished using a class instance variable. Although in this case it would probably be better to remove the caching variable. I don't think these methods are called more than once during a request, and even if they did it's highly unlikely the would become a bottleneck.
22 lines
462 B
Ruby
22 lines
462 B
Ruby
module Measurable
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extend ActiveSupport::Concern
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class_methods do
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def title_max_length
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@title_max_length ||= (columns.find { |c| c.name == "title" }.limit rescue nil) || 80
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end
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def responsible_name_max_length
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@responsible_name_max_length ||= (columns.find { |c| c.name == "responsible_name" }.limit rescue nil) || 60
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end
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def question_max_length
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140
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end
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def description_max_length
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6000
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end
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end
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end
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