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

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

Instance Method Summary collapse

Methods inherited from Base

page

Methods included from Spree::Preferences::Preferable

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

Instance Method Details

#compute_amount(adjustable) ⇒ Object

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 42

def compute_amount(adjustable)
  order = adjustable.is_a?(Order) ? adjustable : adjustable.order
  return 0 unless promotion.line_item_actionable?(order, adjustable)
  promotion_amount = self.calculator.compute(adjustable).to_f.abs

  [adjustable.amount, promotion_amount].min * -1
end

#create_adjustment(adjustable, order) ⇒ Object


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# File 'app/models/spree/promotion/actions/create_item_adjustments.rb', line 28

def create_adjustment(adjustable, order)
  amount = self.compute_amount(adjustable)
  return if amount == 0
  self.adjustments.create!(
    amount: amount,
    adjustable: adjustable,
    order: order,
    label: "#{Spree.t(:promotion)} (#{promotion.name})",
  )
  true
end

#perform(payload = {}) ⇒ Object


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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]

  result = false

  line_items_to_adjust(promotion, order).each do |line_item|
    current_result = self.create_adjustment(line_item, order)
    result ||= current_result
  end
  return result
end