Class: Spree::TaxRate

Inherits:
ActiveRecord::Base
  • Object
show all
Includes:
Core::CalculatedAdjustments
Defined in:
app/models/spree/tax_rate.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Core::CalculatedAdjustments

included

Class Method Details

.adjust(order) ⇒ Object 



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# File 'app/models/spree/tax_rate.rb', line 33

def self.adjust(order)
  order.adjustments.tax.destroy_all
  order.line_item_adjustments.where(originator_type: 'Spree::TaxRate').destroy_all

  self.match(order).each do |rate|
    rate.adjust(order)
  end
end

.default ⇒ Object

For Vat the default rate is the rate that is configured for the default category It is needed for every price calculation (as all customer facing prices include vat ) The function returns the actual amount, which may be 0 in case of wrong setup, but is never nil



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# File 'app/models/spree/tax_rate.rb', line 45

def self.default
  category = TaxCategory.includes(:tax_rates).where(is_default: true).first
  return 0 unless category

  address ||= Address.new(country_id: Spree::Config[:default_country_id])
  rate = category.tax_rates.detect { |rate| rate.zone.include? address }.try(:amount)

  rate || 0
end

.match(order) ⇒ Object

Gets the array of TaxRates appropriate for the specified order



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# File 'app/models/spree/tax_rate.rb', line 25

def self.match(order)
  return [] unless order.tax_zone
  all.select do |rate|
    (!rate.included_in_price && (rate.zone == order.tax_zone || rate.zone.contains?(order.tax_zone) || (order.tax_address.nil? && rate.zone.default_tax))) ||
    (rate.included_in_price && !order.tax_address.nil? && !rate.zone.contains?(order.tax_zone) && rate.zone.default_tax)
  end
end

Instance Method Details

#adjust(order) ⇒ Object

Creates necessary tax adjustments for the order.



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# File 'app/models/spree/tax_rate.rb', line 56

def adjust(order)
  label = create_label
  if included_in_price
    if Zone.default_tax.contains? order.tax_zone
      order.line_items.each { |line_item| create_adjustment(label, line_item, line_item) }
    else
      amount = -1 * calculator.compute(order)
      label = Spree.t(:refund) + label

      order.adjustments.create(
        amount: amount,
        source: order,
        originator: self,
        state: "closed",
        label: label
      )
    end
  else
    create_adjustment(label, order, order)
  end
end