Class: Lariconv

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

Overview

TODO: Add info from TBC, Liberty, Basisbank, as well as from Wise Business and Revolut Business

Defined Under Namespace

Classes: InvalidAmountException, UnavailableCurrencyException

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(amount:, currency:, date: nil) ⇒ Lariconv

Returns a new instance of Lariconv.



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# File 'lib/lariconv.rb', line 29

def initialize(amount:, currency:, date: nil)
  @amount = amount
  @currency = currency.upcase
  @date = date
end

Class Method Details

.convert ⇒ Object 



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# File 'lib/lariconv.rb', line 25

def self.convert(...)
  new(...).convert
end

Instance Method Details

#amount ⇒ Object

Raises:



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# File 'lib/lariconv.rb', line 45

def amount
  raise InvalidAmountException unless [Integer, Float, BigDecimal].include? @amount.class

  @amount.to_d
end

#convert ⇒ BigDecimal

Returns Converted amount of money.

Parameters:

  • amount (Integer, Float, BigDecimal) —

    Amount of money to convert

  • currency (String) —

    Currency to convert to Lari from

  • date (String) —

    Date to get the exchange rate for (default: today)

Returns:

  • (BigDecimal) —

    Converted amount of money



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# File 'lib/lariconv.rb', line 39

def convert
  quantity, rate = fetch_currency_data
  result = (amount / quantity) * rate
  result.round(2)
end

#currency ⇒ Object

Raises:



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# File 'lib/lariconv.rb', line 51

def currency
  raise UnavailableCurrencyException unless CURRENCIES.include? @currency

  @currency
end

#date ⇒ Object 



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# File 'lib/lariconv.rb', line 57

def date
  @date ||= parse_date
end