Class: StripeFee::Calculator

Inherits:
Object
  • Object
show all
Defined in:
lib/stripe_fee/calculator.rb

Instance Method Summary collapse

Constructor Details

#initialize(amount:, currency: 'usd') ⇒ Calculator 



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# File 'lib/stripe_fee/calculator.rb', line 8

def initialize amount:, currency: 'usd'
  @amount = amount
  @currency = currency
end

Instance Method Details

#amount_in_cents ⇒ Object 



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# File 'lib/stripe_fee/calculator.rb', line 18

def amount_in_cents
  @amount.to_f * 100
end

#charge_amount_in_cents ⇒ Object 



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# File 'lib/stripe_fee/calculator.rb', line 22

def charge_amount_in_cents
  validate!
  ((amount_in_cents + 30)/(1 - 0.029)).round
end

#validate! ⇒ Object

Raises:

  • (::AmountError) 


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# File 'lib/stripe_fee/calculator.rb', line 13

def validate!
  raise ::AmountError unless @amount.to_f
  raise ::CurrencyError unless @currency == 'usd'
end