Class: I18nComplements::Numisma::Currency

Inherits:
Object
  • Object
show all
Defined in:
lib/i18n-complements/numisma/currency.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(code, options = {}) ⇒ Currency

Returns a new instance of Currency.



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# File 'lib/i18n-complements/numisma/currency.rb', line 7

def initialize(code, options = {})
  @code = code.strip # .upcase
  @active = (options[:active] ? true : false)
  @cash = options[:cash].to_a.collect{|x| x.to_f}.sort
  @countries = options[:countries].to_a.collect{|x| x.to_s}.sort.collect{|x| x.to_sym}
  @number = options[:number].to_i
  @precision = options[:precision].to_i
  @unit = (options[:unit].nil? ? nil : options[:unit].to_s)
end

Instance Attribute Details

#active ⇒ Object (readonly)

Returns the value of attribute active.



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# File 'lib/i18n-complements/numisma/currency.rb', line 5

def active
  @active
end

#cash ⇒ Object (readonly)

Returns the value of attribute cash.



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# File 'lib/i18n-complements/numisma/currency.rb', line 5

def cash
  @cash
end

#code ⇒ Object (readonly)

Returns the value of attribute code.



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# File 'lib/i18n-complements/numisma/currency.rb', line 5

def code
  @code
end

#countries ⇒ Object (readonly)

Returns the value of attribute countries.



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# File 'lib/i18n-complements/numisma/currency.rb', line 5

def countries
  @countries
end

#number ⇒ Object (readonly)

Returns the value of attribute number.



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# File 'lib/i18n-complements/numisma/currency.rb', line 5

def number
  @number
end

#precision ⇒ Object (readonly)

Returns the value of attribute precision.



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# File 'lib/i18n-complements/numisma/currency.rb', line 5

def precision
  @precision
end

#unit ⇒ Object (readonly)

Returns the value of attribute unit.



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# File 'lib/i18n-complements/numisma/currency.rb', line 5

def unit
  @unit
end

Instance Method Details

#==(other_currency) ⇒ Object 



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# File 'lib/i18n-complements/numisma/currency.rb', line 35

def ==(other_currency)
  self.code == other_currency.code
end

#label ⇒ Object 



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# File 'lib/i18n-complements/numisma/currency.rb', line 21

def label
  ::I18n.translate("labels.currency_with_code", :code=>self.code, :name=>self.name, :default=>"%{name} (%{code})")
end

#localize(amount, options = {}) ⇒ Object

Produces a amount of the currency with the locale parameters TODO: Find a better way to specify number formats which are more complex that the default Rails use



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# File 'lib/i18n-complements/numisma/currency.rb', line 45

def localize(amount, options={})
  return unless amount

  # options.symbolize_keys!
  
  defaults  = I18n.translate('number.format'.to_sym, :locale => options[:locale], :default => {})
  defaultt  = I18n.translate('number.currency.format'.to_sym, :locale => options[:locale], :default => {})
  defaultt[:negative_format] ||= ("-" + defaultt[:format]) if defaultt[:format]
  formatcy  = I18n.translate("number.currency.formats.#{self.code}".to_sym, :locale => options[:locale], :default => {})
  formatcy[:negative_format] ||= "-" + formatcy[:format] if formatcy[:format]

  formatter = {}
  formatter[:separator] = formatcy[:separator] || defaultt[:separator] || defaults[:separator] || ','
  formatter[:delimiter] = formatcy[:delimiter] || defaultt[:delimiter] || defaults[:delimiter] || ''
  formatter[:precision] = formatcy[:precision] || self.precision || defaultt[:precision] || 3
  format           = formatcy[:format] || defaultt[:format] || "%n-%u" # defaults[:format] || 
  negative_format  = formatcy[:negative_format] || defaultt[:negative_format] || defaults[:negative_format] || "-" + format
  unit             = formatcy[:unit] || self.unit || self.code
  
  if amount.to_f < 0
    format = negative_format # options.delete(:negative_format)
    amount = amount.respond_to?("abs") ? amount.abs : amount.sub(/^-/, '')
  end
  
  value = amount.to_s
  integers, decimals = value.split(/\./)
  value = integers.gsub(/^0+[1-9]+/, '').gsub(/(\d)(?=(\d\d\d)+(?!\d))/, "\\1#{formatter[:delimiter]}")
  unless decimals.to_s.match(/^\s*$/)
    value << formatter[:separator]
    value << decimals.gsub(/0+$/, '').ljust(formatter[:precision], '0').scan(/.{1,3}/).join(formatter[:delimiter])
  end
  return format.gsub(/%n/, value).gsub(/%u/, unit).gsub(/%s/, "\u{00A0}")
end

#name ⇒ Object 



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# File 'lib/i18n-complements/numisma/currency.rb', line 17

def name
  ::I18n.translate("currencies.#{self.code}")
end

#round(value, options = {}) ⇒ Object 



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# File 'lib/i18n-complements/numisma/currency.rb', line 25

def round(value, options={})
  precision = self.precision
  if RUBY_VERSION.match(/^1\.8/)
    magnitude = 10**precision 
    return (value * magnitude).to_i.to_f*magnitude
  else
    return value.round(precision)
  end
end

#to_currency ⇒ Object 



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# File 'lib/i18n-complements/numisma/currency.rb', line 39

def to_currency
  self
end