Class: Spree::Promotion::Actions::CreateAdjustment Private

Inherits:
Spree::PromotionAction show all
Includes:
AdjustmentSource, CalculatedAdjustments
Defined in:
app/models/spree/promotion/actions/create_adjustment.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Instance Method Summary collapse

Methods included from AdjustmentSource

#deals_with_adjustments_for_deleted_source

Methods included from CalculatedAdjustments

#calculator_type, #calculator_type=

Methods inherited from Base

display_includes, #initialize_preference_defaults, page, preference

Methods included from Spree::Preferences::Preferable

#default_preferences, #defined_preferences, #get_preference, #has_preference!, #has_preference?, #preference_default, #preference_type, #set_preference

Instance Method Details

#compute_amount(calculable) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Ensure a negative amount which does not exceed the sum of the order’s item_total and ship_total



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# File 'app/models/spree/promotion/actions/create_adjustment.rb', line 37

def compute_amount(calculable)
  amount = calculator.compute(calculable)
  if !amount.is_a?(BigDecimal)
    Spree::Deprecation.warn "#{calculator.class.name}#compute returned #{amount.inspect}, it should return a BigDecimal"
  end
  amount ||= BigDecimal.new(0)
  amount = amount.abs
  [(calculable.item_total + calculable.ship_total), amount].min * -1
end

#perform(options = {}) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Creates the adjustment related to a promotion for the order passed through options hash

Returns ‘true` if an adjustment is applied to an order, `false` if the promotion has already been applied.



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# File 'app/models/spree/promotion/actions/create_adjustment.rb', line 20

def perform(options = {})
  order = options[:order]
  return if promotion_credit_exists?(order)

  amount = compute_amount(order)
  order.adjustments.create!(
    amount: amount,
    order: order,
    source: self,
    promotion_code: options[:promotion_code],
    label: Spree.t('adjustment_labels.order', promotion: Spree::Promotion.model_name.human, promotion_name: promotion.name)
  )
  true
end

#remove_from(order) ⇒ void

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

This method returns an undefined value.

Removes any adjustments generated by this action from the order.



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# File 'app/models/spree/promotion/actions/create_adjustment.rb', line 50

def remove_from(order)
  order.adjustments.each do |adjustment|
    if adjustment.source == self
      order.adjustments.destroy(adjustment)
    end
  end
end