Module: NestedAttributesUniqueness::Validator::ClassMethods

Defined in:
lib/nested_attributes_uniqueness/validator.rb

Instance Method Summary collapse

Instance Method Details

#validates_uniqueness_in_memory(collection_name, attribute, options = {}) ⇒ Object

This method adds an after_validation callback.

Parameters

  • collection_name - The association name that should be used for fetching collection.

  • attribute - The attribute name on the association that should be validated.

  • options - It accepts all options that UniqunessValidator accepts. Default to no options.

Example

# Without options
class User < ActiveRecord::Base
  include NestedAttributesUniqueness

  has_many :posts

  validates_uniqueness_in_memory :posts, :name
end

# With options
class User < ActiveRecord::Base
  include NestedAttributesUniqueness

  has_many :posts

  validates_uniqueness_in_memory :posts, :name, { case_sensitive: false }
end



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# File 'lib/nested_attributes_uniqueness/validator.rb', line 186

def validates_uniqueness_in_memory(collection_name, attribute, options = {})
  after_validation do
    validate_unique_nested_attributes self, public_send(collection_name), attribute, options
  end
end

#validates_uniqueness_in_memory_for_tree_polymorphism(polymorphic_association_name, type, collection_name, attribute, options = {}) ⇒ Object

This method adds an after_validation callback.

Parameters

  • polymorphic_association_name - Name of the tree polumorphic association with container and component as the name of polymorphic attributes

  • type - The component type in which to look for collection

  • collection_name - The association name that should be used for fetching collection.

  • attribute - The attribute name on the association that should be validated.

  • options - It accepts all options that UniqunessValidator accepts. Defaults to no options. Supports scope and case_sensitive options



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# File 'lib/nested_attributes_uniqueness/validator.rb', line 205

def validates_uniqueness_in_memory_for_tree_polymorphism(polymorphic_association_name, type, collection_name, attribute, options = {})
  after_validation do
    validate_unique_nested_attributes_for_tree_polymorphism self, polymorphic_association_name, type, collection_name, attribute, options
  end
end