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Contents
module DataMapper
module Validations
##
#
# @author Guy van den Berg
# @since 0.9
class WithinValidator < GenericValidator
def initialize(field_name, options={})
super
@options[:set] = [] unless @options.has_key?(:set)
end
def call(target)
value = target.validation_property_value(field_name)
return true if optional?(value)
return true if @options[:set].include?(value)
set = @options[:set]
msg = @options[:message]
if set.is_a?(Range)
if set.first != -n && set.last != n
error_message = msg || ValidationErrors.default_error_message(:value_between, field_name, set.first, set.last)
elsif set.first == -n
error_message = msg || ValidationErrors.default_error_message(:less_than_or_equal_to, field_name, set.last)
elsif set.last == n
error_message = msg || ValidationErrors.default_error_message(:greater_than_or_equal_to, field_name, set.first)
end
else
error_message = msg || ValidationErrors.default_error_message(:inclusion, field_name, set.join(', '))
end
add_error(target, error_message, field_name)
false
end
def n
1.0/0
end
end # class WithinValidator
module ValidatesWithin
# Validate that value of a field if within a range/set
#
def validates_within(*fields)
opts = opts_from_validator_args(fields)
add_validator_to_context(opts, fields, DataMapper::Validations::WithinValidator)
end
end # module ValidatesWithin
end # module Validations
end # module DataMapper
Version data entries
10 entries across 10 versions & 1 rubygems