Method: ActiveRecord::Import::Validator#init_validations

Defined in:
lib/activerecord-import/import.rb

#init_validations(klass) ⇒ Object



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# File 'lib/activerecord-import/import.rb', line 33

def init_validations(klass)
  @validate_callbacks = klass._validate_callbacks.dup

  @validate_callbacks.each_with_index do |callback, i|
    filter = callback.respond_to?(:raw_filter) ? callback.raw_filter : callback.filter
    next unless filter.class.name =~ /Validations::PresenceValidator/ ||
                (!@options[:validate_uniqueness] &&
                 filter.is_a?(ActiveRecord::Validations::UniquenessValidator))

    callback = callback.dup
    filter = filter.dup
    attrs = filter.instance_variable_get(:@attributes).dup

    if filter.is_a?(ActiveRecord::Validations::UniquenessValidator)
      attrs = []
    else
      associations = klass.reflect_on_all_associations(:belongs_to)
      associations.each do |assoc|
        if (index = attrs.index(assoc.name))
          key = assoc.foreign_key.is_a?(Array) ? assoc.foreign_key.map(&:to_sym) : assoc.foreign_key.to_sym
          attrs[index] = key unless attrs.include?(key)
        end
      end
    end

    filter.instance_variable_set(:@attributes, attrs.flatten)

    if @validate_callbacks.respond_to?(:chain, true)
      @validate_callbacks.send(:chain).tap do |chain|
        callback.instance_variable_set(:@filter, filter)
        callback.instance_variable_set(:@compiled, nil)
        chain[i] = callback
      end
    else
      callback.raw_filter = filter
      callback.filter = callback.send(:_compile_filter, filter)
      @validate_callbacks[i] = callback
    end
  end
end