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Contents
module Neo4j
module Rails
module Validations
extend ActiveSupport::Concern
class UniquenessValidator < ActiveModel::EachValidator
def initialize(options)
super(options.reverse_merge(:case_sensitive => true))
end
def setup(klass)
@attributes.each do |attribute|
if klass.index_type_for(attribute) != :exact
raise "Can't validate property #{attribute.inspect} on class #{klass} since there is no :exact lucene index on that property or the index declaration #{attribute} comes after the validation declaration in #{klass} (try to move it before the validation rules)"
end
end
end
def validate_each(record, attribute, value)
return if options[:allow_blank] && value.blank?
record.class.all("#{attribute}: \"#{value}\"").each do |rec|
if rec.id != record.id # it doesn't count if we find ourself!
record.errors.add(attribute, :taken, options.except(:case_sensitive, :scope).merge(:value => value))
break
end
end
end
end
module ClassMethods
def validates_uniqueness_of(*attr_names)
validates_with UniquenessValidator, _merge_attributes(attr_names)
end
end
end
end
end
Version data entries
26 entries across 26 versions & 1 rubygems