Sha256: 901d28825569a49794d1a9eb3264d3ea1074c1dc67d2dfe6e5289ae1c5f3cf93
Contents?: true
Size: 1.89 KB
Versions: 31
Compression:
Stored size: 1.89 KB
Contents
# Validates that `value` of `attribute` on `record` is meets the
# `record.dynamic_length_validation_options(attribute)`.
#
# Works similar to `LengthValidator`, but the minimum and maximum lengths are controlled dynamically by the `record` to
# allow the validation to vary based on some other attribute in the record.
class DynamicLengthValidator < ActiveModel::EachValidator
# Validates that value's `#length` meets the minimum and maximum options in
# `record.dynamic_length_validation_options(attribute)`.
#
# @param record [Object, #dynamic_length_validation_options] record that supports dynmaic length options on
# `attribute`.
# @param attribute [Symbol] name of an attribute on `record` with the given `value`.
# @param value [Object, #length] value of `attribute`.
# @return [void]
def validate_each(record, attribute, value)
# dynamic_options are not checked for validity the way options would be for LengthValidator because
# dynamic_length_validation_options can be {} in some cases.
dynamic_options = record.dynamic_length_validation_options(attribute)
value_length = value.length
ActiveModel::Validations::LengthValidator::CHECKS.each do |key, validity_check|
check_value = dynamic_options[key]
if check_value
unless value_length.send(validity_check, check_value)
errors_options = dynamic_options.except(*ActiveModel::Validations::LengthValidator::RESERVED_OPTIONS)
errors_options[:count] = check_value
message = errors_options[:message]
message_key = ActiveModel::Validations::LengthValidator::MESSAGES[key]
unless message
default_message = dynamic_options[message_key]
if default_message
errors_options[:message] = default_message
end
end
record.errors.add(attribute, message_key, errors_options)
end
end
end
end
end
Version data entries
31 entries across 31 versions & 1 rubygems