Sha256: b66bc707ceeab786c2f44c94a32855688603d9f5fb7befd779c0d042118ea32c
Contents?: true
Size: 1.76 KB
Versions: 6
Compression:
Stored size: 1.76 KB
Contents
module Mobility
module ActiveRecord
=begin
A backend-agnostic uniqueness validator for ActiveRecord translated attributes.
@note This validator does not support case sensitivity, since doing so would
significantly complicate implementation.
=end
class UniquenessValidator < ::ActiveRecord::Validations::UniquenessValidator
# @param [ActiveRecord::Base] record Translated model
# @param [String] attribute Name of attribute
# @param [Object] value Attribute value
def validate_each(record, attribute, value)
klass = record.class
if ((Array(options[:scope]) + [attribute]).map(&:to_s) & klass.translated_attribute_names).present?
warn %{
WARNING: The Mobility uniqueness validator for translated attributes does not
support case-insensitive validation. This option will be ignored for: #{attribute}
} if options[:case_sensitive] == false
return unless value.present?
relation = klass.send(Mobility.query_method).where(attribute => value)
relation = relation.where.not(klass.primary_key => record.id) if record.persisted?
relation = mobility_scope_relation(record, relation)
relation = relation.merge(options[:conditions]) if options[:conditions]
if relation.exists?
error_options = options.except(:case_sensitive, :scope, :conditions)
error_options[:value] = value
record.errors.add(attribute, :taken, error_options)
end
else
super
end
end
private
def mobility_scope_relation(record, relation)
Array(options[:scope]).inject(relation) do |scoped_relation, scope_item|
scoped_relation.where(scope_item => record.send(scope_item))
end
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems