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

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

Instance Method Summary collapse

Methods included from AdjustmentSource

#remove_adjustments_from_incomplete_orders

Methods included from CalculatedAdjustments

#calculator_type, #calculator_type=

Methods inherited from Spree::PromotionAction

#to_partial_path

Methods inherited from Base

display_includes

Methods included from Core::Permalinks

#generate_permalink, #save_permalink

Instance Method Details

#compute_amount(calculable) ⇒ Object

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



44
45
46
47
48
49
 
# File 'app/models/spree/promotion/actions/create_adjustment.rb', line 44

def compute_amount(calculable)
  amount = calculator.compute(calculable)
  amount ||= BigDecimal(0)
  amount = amount.abs
  [(calculable.item_total + calculable.ship_total), amount].min * -1
end

#perform(options = {}) ⇒ Object

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.



27
28
29
30
31
32
33
34
35
36
37
38
39
40
 
# File 'app/models/spree/promotion/actions/create_adjustment.rb', line 27

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: I18n.t('spree.adjustment_labels.order', promotion: Spree::Promotion.model_name.human, promotion_name: promotion.name)
  )
  true
end

#preload_relations ⇒ Object 



18
19
20
 
# File 'app/models/spree/promotion/actions/create_adjustment.rb', line 18

def preload_relations
  [:calculator]
end

#remove_from(order) ⇒ void

This method returns an undefined value.

Removes any adjustments generated by this action from the order.

Parameters:

  • order (Spree::Order) —

    the order to remove the action from.



54
55
56
57
58
59
60
 
# File 'app/models/spree/promotion/actions/create_adjustment.rb', line 54

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