class ActiveRecord::DynamicMatchers::Method
Attributes
matchers[R]
attribute_names[R]
model[R]
name[R]
Public Class Methods
match(model, name)
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# File lib/active_record/dynamic_matchers.rb, line 36 def match(model, name) klass = matchers.find { |k| name =~ k.pattern } klass.new(model, name) if klass end
new(model, name)
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# File lib/active_record/dynamic_matchers.rb, line 56 def initialize(model, name) @model = model @name = name.to_s @attribute_names = @name.match(self.class.pattern)[1].split('_and_') @attribute_names.map! { |n| @model.attribute_aliases[n] || n } end
pattern()
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# File lib/active_record/dynamic_matchers.rb, line 41 def pattern @pattern ||= /\A#{prefix}_([_a-zA-Z]\w*)#{suffix}\Z/ end
prefix()
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# File lib/active_record/dynamic_matchers.rb, line 45 def prefix raise NotImplementedError end
suffix()
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# File lib/active_record/dynamic_matchers.rb, line 49 def suffix '' end
Public Instance Methods
body()
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# File lib/active_record/dynamic_matchers.rb, line 75 def body raise NotImplementedError end
define()
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# File lib/active_record/dynamic_matchers.rb, line 67 def define model.class_eval " def self.#{name}(#{signature}) #{body} end ", __FILE__, __LINE__ + 1 end
valid?()
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# File lib/active_record/dynamic_matchers.rb, line 63 def valid? attribute_names.all? { |name| model.columns_hash[name] || model.reflect_on_aggregation(name.to_sym) } end