Class: TaxCalculator

Inherits:

Object

Object
TaxCalculator

show all

Defined in:: app/models/tax_calculator.rb

Instance Method Summary collapse

#initialize(order) ⇒ TaxCalculator constructor

A new instance of TaxCalculator.
#tax ⇒ Object

Returns tax amount in float.

Constructor Details

#initialize(order) ⇒ `TaxCalculator`

Returns a new instance of TaxCalculator.



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# File 'app/models/tax_calculator.rb', line 2

def initialize(order)
  @order = order
end

Instance Method Details

#tax ⇒ `Object`

Returns tax amount in float

# File 'app/models/tax_calculator.rb', line 7

def tax
  amount = BigDecimal(@order.line_items_total.to_s)

  (amount * BigDecimal(tax_percentage.to_s) * BigDecimal.new("0.01")).round(2).to_f
end