Class: Checkout

Inherits:
Object
  • Object
show all
Defined in:
lib/wunder/checkout.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(promotional_rules) ⇒ Checkout

Returns a new instance of Checkout.



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# File 'lib/wunder/checkout.rb', line 7

def initialize(promotional_rules)
  @basket = Basket.new
  @promotional_rules = promotional_rules
end

Instance Attribute Details

#adjustment ⇒ Object

Returns the value of attribute adjustment.



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# File 'lib/wunder/checkout.rb', line 5

def adjustment
  @adjustment
end

#basket ⇒ Object

Returns the value of attribute basket.



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# File 'lib/wunder/checkout.rb', line 5

def basket
  @basket
end

#promotional_rules ⇒ Object

Returns the value of attribute promotional_rules.



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# File 'lib/wunder/checkout.rb', line 5

def promotional_rules
  @promotional_rules
end

Instance Method Details

#applied_promotional_rules ⇒ Object 



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# File 'lib/wunder/checkout.rb', line 25

def applied_promotional_rules
  adjustment.eligible_promotional_rules if adjustment
end

#remove_scan(product) ⇒ Object 



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# File 'lib/wunder/checkout.rb', line 16

def remove_scan(product)
  basket.remove_item(product)
end

#scan(product) ⇒ Object 



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# File 'lib/wunder/checkout.rb', line 12

def scan(product)
  basket.add_item(product)
end

#total ⇒ Object 



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# File 'lib/wunder/checkout.rb', line 20

def total
  @adjustment = Adjustment.new(basket, promotional_rules)
  @adjustment.calculate_total
end