Class: Spree::Promotion::Actions::CreateItemAdjustments Private

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

Direct Known Subclasses

CreateQuantityAdjustments

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(adjustable) ⇒ 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_item_adjustments.rb', line 31

def compute_amount(adjustable)
  order = adjustable.is_a?(Order) ? adjustable : adjustable.order
  return 0 unless promotion.line_item_actionable?(order, adjustable)
  promotion_amount = calculator.compute(adjustable)
  if !promotion_amount.is_a?(BigDecimal)
    Spree::Deprecation.warn "#{calculator.class.name}#compute returned #{promotion_amount.inspect}, it should return a BigDecimal"
  end
  promotion_amount ||= BigDecimal.new(0)
  promotion_amount = promotion_amount.abs
  [adjustable.amount, promotion_amount].min * -1
end

#perform(payload = {}) ⇒ 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. 



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# File 'app/models/spree/promotion/actions/create_item_adjustments.rb', line 15

def perform(payload = {})
  order = payload[:order]
  promotion = payload[:promotion]
  promotion_code = payload[:promotion_code]

  result = false

  line_items_to_adjust(promotion, order).each do |line_item|
    current_result = create_adjustment(line_item, order, promotion_code)
    result ||= current_result
  end
  result
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’s

line items.

Parameters:

  • order (Spree::Order) —

    the order to remove the action from.



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# File 'app/models/spree/promotion/actions/create_item_adjustments.rb', line 47

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