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Versions: 14
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Contents
module Soulless
module Validations
class UniquenessValidator < ActiveModel::EachValidator
def initialize(options)
raise 'ActiveRecord is not defined. The Soulless uniqueness validator cannot be used when ActiveRecord is not present.' unless Object.const_defined?('ActiveRecord')
@model = options[:model]
@attribute = options[:attribute]
options.merge!(class: @model) if ActiveModel::VERSION::STRING >= '4.1.0'
@validator = ActiveRecord::Validations::UniquenessValidator.new(options)
super(options)
end
def validate_each(record, attribute, value)
if !@model
raise ArgumentError, 'Missing required argument "model"'
else
record_orig, attribute_orig = record, attribute
attribute = @attribute if @attribute
record = @model.new(attribute => value)
@validator.setup(@model) if ActiveModel::VERSION::STRING < '4.1'
@validator.validate_each(record, attribute, value)
if record.errors.any?
record_orig.errors.add(attribute, :taken, options.except(:case_sensitive, :scope).merge(value: value))
end
end
end
end
module ClassMethods
def validates_uniqueness_of(*attr_name)
validates_with(UniquenessValidator, _merge_attributes(attr_name))
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems