Module: DataMapper::Validations::ValidatesNumericality

Extended by:
Deprecate
Included in:
ClassMethods
Defined in:
lib/dm-validations/validators/numeric_validator.rb

Overview

class NumericalityValidator

Instance Method Summary collapse

Instance Method Details

#validates_numericality_of(*fields) ⇒ Object

Validate whether a field is numeric

Options are:

:allow_nil => true | false

true if number can be nil, false if not

:allow_blank => true | false

true if number can be blank, false if not

:message => “Error message for %s”

Custom error message, also can be a callable object that takes
an object (for pure Ruby objects) or object and property (for DM resources)

:precision => 2

Required precision of a value

:scale => 2

Required scale of a value

:gte => 5.75

'Greater than or greater' requirement

:lte => 5.75

'Less than or greater' requirement

:lt => 5.75

'Less than' requirement

:gt => 5.75

'Greater than' requirement

:eq => 5.75

'Equal' requirement

:ne => 5.75

'Not equal' requirement

:integer_only => true

Use to restrict allowed values to integers



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# File 'lib/dm-validations/validators/numeric_validator.rb', line 173

def validates_numericality_of(*fields)
  opts = opts_from_validator_args(fields)
  add_validator_to_context(opts, fields, DataMapper::Validations::NumericalityValidator)
end