Module: Mongoid::Validations::ClassMethods

Defined in:
lib/mongoid/validations.rb

Overview

:nodoc:

Instance Method Summary collapse

Instance Method Details

#validates_associated(*args) ⇒ Object

Validates whether or not an association is valid or not. Will correctly handle has one and has many associations.

Examples:


class Person
  include Mongoid::Document
  embeds_one :name
  embeds_many :addresses

  validates_associated :name, :addresses
end

Parameters:

  • *args (Array) —

    The arguments to pass to the validator.



121
122
123
 
# File 'lib/mongoid/validations.rb', line 121

def validates_associated(*args)
  validates_with(AssociatedValidator, _merge_attributes(args))
end

#validates_format_of(*args) ⇒ Object

Validates whether or not a field matches a certain regular expression.

Examples:

class Person
  include Mongoid::Document
  field :website

  validates_format_of :website, :with => URI.regexp
end

Parameters:

  • *args (Array) —

    The arguments to pass to the validator.



103
104
105
 
# File 'lib/mongoid/validations.rb', line 103

def validates_format_of(*args)
  validates_with(FormatValidator, _merge_attributes(args))
end

#validates_presence_of(*args) ⇒ Object

Validates whether or not a field is present - meaning nil or empty.

Examples:

class Person
  include Mongoid::Document
  field :title

  validates_presence_of :title
end

Parameters:

  • args (Array) —

    The names of the fields to validate.

Since:

  • 2.4.0



155
156
157
 
# File 'lib/mongoid/validations.rb', line 155

def validates_presence_of(*args)
  validates_with(PresenceValidator, _merge_attributes(args))
end

#validates_uniqueness_of(*args) ⇒ Object

Validates whether or not a field is unique against the documents in the database.

Examples:


class Person
  include Mongoid::Document
  field :title

  validates_uniqueness_of :title
end

Parameters:

  • *args (Array) —

    The arguments to pass to the validator.



138
139
140
 
# File 'lib/mongoid/validations.rb', line 138

def validates_uniqueness_of(*args)
  validates_with(UniquenessValidator, _merge_attributes(args))
end