24 lines
625 B
Ruby
24 lines
625 B
Ruby
require_relative '../model_helpers'
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module RuboCop
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module Cop
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# Cop that prevents the use of polymorphic associations
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class PolymorphicAssociations < RuboCop::Cop::Cop
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include ModelHelpers
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MSG = 'Do not use polymorphic associations, use separate tables instead'.freeze
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def on_send(node)
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return unless in_model?(node)
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return unless node.children[1] == :belongs_to
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node.children.last.each_node(:pair) do |pair|
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key_name = pair.children[0].children[0]
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add_offense(pair, :expression) if key_name == :polymorphic
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end
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end
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end
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end
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end
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