Class: OpenexchangeConvert::ConvertCurrency

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

Instance Method Summary collapse

Constructor Details

#initialize(api_key) ⇒ ConvertCurrency

Returns a new instance of ConvertCurrency.



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# File 'lib/openexchange_convert.rb', line 5

def initialize(api_key)
  @usd = 1
  @results = 0
  @api_key = api_key
end

Instance Method Details

#convert_to_foreign(currency, amount) ⇒ Object 



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

def convert_to_foreign(currency, amount)
 foreign = get_exchange_rate(currency)
 @results = foreign * (amount.to_i * @usd)
end

#convert_to_usd(currency, amount) ⇒ Object 



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# File 'lib/openexchange_convert.rb', line 21

def convert_to_usd(currency, amount)
 foreign = get_exchange_rate(currency)
 @results = (amount.to_i * (@usd / foreign))
end

#get_all_exchange_rates ⇒ Object 



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# File 'lib/openexchange_convert.rb', line 15

def get_all_exchange_rates
 @file = open("http://openexchangerates.org/api/latest.json?app_id=#{@api_key}")
 @j = JSON.load(@file.read)
 @current_currency = @j['rates']
end

#get_exchange_rate(currency_type) ⇒ Object 



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# File 'lib/openexchange_convert.rb', line 10

def get_exchange_rate(currency_type)
  all_rates = get_all_exchange_rates
  all_rates[currency_type.upcase]
end