Method: Spree::Variant.has_option

Defined in:
app/models/spree/variant/scopes.rb

.has_option(option_type, *option_values) ⇒ Object Also known as: has_options

Returns variants that match a given option value

Example:

product.variants_including_master.has_option(OptionType.find_by(name: ‘shoe-size’), OptionValue.find_by(name: ‘8’))



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# File 'app/models/spree/variant/scopes.rb', line 16

def has_option(option_type, *option_values)
  option_types = Spree::OptionType.table_name

  option_type_conditions = case option_type
                           when OptionType then { "#{option_types}.name" => option_type.name }
                           when String     then { "#{option_types}.name" => option_type }
  else { "#{option_types}.id" => option_type }
  end

  relation = joins(option_values: :option_type).where(option_type_conditions)

  option_values.each do |option_value|
    option_value_conditions = case option_value
                              when OptionValue then { "#{Spree::OptionValue.table_name}.name" => option_value.name }
                              when String      then { "#{Spree::OptionValue.table_name}.name" => option_value }
    else { "#{Spree::OptionValue.table_name}.id" => option_value }
    end
    relation = relation.where(option_value_conditions)
  end

  relation
end