Module: Paramore::CastParameters

Defined in:
lib/paramore/cast_parameters.rb

Class Method Summary collapse

Class Method Details

.cast(field, value, name = nil) ⇒ Object 



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# File 'lib/paramore/cast_parameters.rb', line 10

def cast(field, value, name = nil)
  if value.nil?
    if field.nullable? || field.default
      return field.default
    else
      raise Paramore::NilParameter, name
    end
  end

  case field.type
  when Hash
    typecast_hash(field.type, value || {})
  when Array
    typecast_array(field, value)
  else
    typecast_value(field.type, value)
  end
end

.run(field, data) ⇒ Object 



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# File 'lib/paramore/cast_parameters.rb', line 6

def run(field, data)
  cast(field, data, 'data')
end

.typecast_array(field, array) ⇒ Object 



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# File 'lib/paramore/cast_parameters.rb', line 33

def typecast_array(field, array)
  array
    .reject { |unit| unit.to_s == '' && field.compact? }
    .map do |unit|
      cast(Paramore.field(field.type.first, null: true), unit)
    end
end

.typecast_hash(field, hash) ⇒ Object 



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# File 'lib/paramore/cast_parameters.rb', line 29

def typecast_hash(field, hash)
  field.to_h { |name, field| [name, cast(field, hash[name], name)] }
end

.typecast_value(type, value) ⇒ Object 



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# File 'lib/paramore/cast_parameters.rb', line 41

def typecast_value(type, value)
  type.send(Paramore.configuration.type_method_name, value)
end