Class: DatabaseValidations::DbUniquenessValidator

Inherits:
ActiveRecord::Validations::UniquenessValidator
  • Object
show all
Defined in:
lib/database_validations/lib/validators/db_uniqueness_validator.rb

Constant Summary collapse

DEFAULT_MODE = 
:optimized

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ DbUniquenessValidator

Returns a new instance of DbUniquenessValidator.

Parameters:

  • options (Hash) 


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# File 'lib/database_validations/lib/validators/db_uniqueness_validator.rb', line 15

def initialize(options)
  options[:allow_nil] = true
  options[:allow_blank] = false

  if options.key?(:where)
    condition = options[:where]
    options[:conditions] = -> { where(condition) }
  end

  handle_custom_options(options)

  super

  Injector.inject(klass)
  Checkers::DbUniquenessValidator.validate!(self)
end

Instance Attribute Details

#index_name ⇒ Object (readonly)

Returns the value of attribute index_name.



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# File 'lib/database_validations/lib/validators/db_uniqueness_validator.rb', line 5

def index_name
  @index_name
end

#klass ⇒ Object (readonly)

Returns the value of attribute klass.



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# File 'lib/database_validations/lib/validators/db_uniqueness_validator.rb', line 5

def klass
  @klass
end

#where ⇒ Object (readonly)

Returns the value of attribute where.



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# File 'lib/database_validations/lib/validators/db_uniqueness_validator.rb', line 5

def where
  @where
end

Class Method Details

.kind ⇒ Symbol

Used to make 3rd party libraries work correctly

Returns:

  • (Symbol) 


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# File 'lib/database_validations/lib/validators/db_uniqueness_validator.rb', line 10

def self.kind
  :uniqueness
end

Instance Method Details

#apply_error(instance, attribute) ⇒ Object 



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# File 'lib/database_validations/lib/validators/db_uniqueness_validator.rb', line 40

def apply_error(instance, attribute)
  error_options = options.except(:case_sensitive, :scope, :conditions)
  error_options[:value] = instance.public_send(attribute)

  instance.errors.add(attribute, :taken, error_options)
end

#perform_db_validation? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/database_validations/lib/validators/db_uniqueness_validator.rb', line 32

def perform_db_validation?
  @mode != :standard
end

#validate(record) ⇒ Object 



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# File 'lib/database_validations/lib/validators/db_uniqueness_validator.rb', line 36

def validate(record)
  super if perform_query? || record._database_validations_fallback
end