Class: CurrencyUpdater::Currencies

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

Constant Summary collapse

UNSUPPORTED =

EUR is unsupported because it’s our reference currency TRY is unsupported because it’s a method used in actionpack the other currencies are not supported because of google

%w(EUR TRY AFN ALL AMD AOA AZN BAM BIF BMD BSD BTN CDF CUP ETB FIM FKP GEL GNF GYD IMP JEP KGS KMF LRD LSL LYD MGA MMK MNT MRO MZN SBD SHP SOS STD TJS TMM TOP TVD VUV WST ZWD)
@@currencies = 
{}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.add(currency) ⇒ Object 



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# File 'lib/currency_updater/currencies.rb', line 12

def add(currency)
  currency = currency.to_s.downcase
  result = @@currencies[currency] = Currency.new(currency)
  define_currency(currency)
  result
end

.all ⇒ Object 



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# File 'lib/currency_updater/currencies.rb', line 19

def all
  @@currencies.values
end

.all_codes ⇒ Object 



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# File 'lib/currency_updater/currencies.rb', line 34

def all_codes
  result = IsoCountryCodes.all.map(&:currency).sort
  result = result - UNSUPPORTED
  result.uniq
end

.define_currency(currency) ⇒ Object 



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# File 'lib/currency_updater/currencies.rb', line 40

def define_currency(currency)
  define_method(currency) do
    @@currencies[currency]
  end
end

.delete ⇒ Object Also known as: clear 



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# File 'lib/currency_updater/currencies.rb', line 27

def delete
  @@currencies = {}
end

.include?(currency) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/currency_updater/currencies.rb', line 23

def include?(currency)
  @@currencies.keys.include?(currency.downcase)
end

.unsupported?(currency) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/currency_updater/currencies.rb', line 46

def unsupported?(currency)
  UNSUPPORTED.include?(currency)
end

Instance Method Details

#to_json ⇒ Object 



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# File 'lib/currency_updater/currencies.rb', line 51

def to_json
  @@currencies.to_json
end

#to_xml ⇒ Object 



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# File 'lib/currency_updater/currencies.rb', line 55

def to_xml
  xml = Builder::XmlMarkup.new(:indent=>2)
  xml.instruct! :xml, :version=>"1.0", :encoding=>"UTF-8"
  xml.currencies do
    @@currencies.values.each do |currency|
      xml.currency(:name => currency.currency) do
        xml.code(currency.code)
        xml.rate(currency.rate)
      end
    end
  end
  xml.target!
end

#to_yaml ⇒ Object 



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# File 'lib/currency_updater/currencies.rb', line 69

def to_yaml
  @@currencies.to_yaml
end