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

#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

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



37
38
39
40
 
# File 'app/models/spree/promotion/actions/create_adjustment.rb', line 37

def compute_amount(calculable)
  amount = calculator.compute(calculable).to_f.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.



20
21
22
23
24
25
26
27
28
29
30
31
32
33
 
# 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(:promotion)} (#{promotion.name})"
  )
  true
end