Class: JsonTableSchema::Types::Number

Inherits:
Base
  • Object
show all
Defined in:
lib/jsontableschema/types/number.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#cast, #initialize, #set_format, #test

Methods included from Helpers

#convert_to_boolean, #false_values, #get_class_for_type, #true_values, #type_class_lookup

Constructor Details

This class inherits a constructor from JsonTableSchema::Types::Base

Class Method Details

.supported_constraints ⇒ Object 



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# File 'lib/jsontableschema/types/number.rb', line 9

def self.supported_constraints
  [
    'required',
    'pattern',
    'enum',
    'minimum',
    'maximum',
  ]
end

Instance Method Details

#cast_currency(value) ⇒ Object 



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# File 'lib/jsontableschema/types/number.rb', line 37

def cast_currency(value)
  cast_default(value)
rescue JsonTableSchema::InvalidCast
  value = preprocess_value(value)
  re = Regexp.new currency_symbols.join('|')
  value.gsub!(re, '')
  cast_default(value)
end

#cast_default(value) ⇒ Object 



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# File 'lib/jsontableschema/types/number.rb', line 27

def cast_default(value)
  return value if value.class == type
  return Float(value) if value.class == ::Fixnum

  value = preprocess_value(value)
  return Float(value)
rescue ArgumentError
  raise JsonTableSchema::InvalidCast.new("#{value} is not a #{name}")
end

#currency_symbols ⇒ Object 



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# File 'lib/jsontableschema/types/number.rb', line 23

def currency_symbols
  ISO4217::Currency.currencies.to_a.map { |c| Regexp.escape(c.last.symbol) rescue nil }.delete_if { |s| s.nil? }
end

#name ⇒ Object 



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# File 'lib/jsontableschema/types/number.rb', line 5

def name
  'number'
end

#type ⇒ Object 



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# File 'lib/jsontableschema/types/number.rb', line 19

def type
  ::Float
end