class Paperclip::Validators::AttachmentFileNameValidator

Public Class Methods

helper_method_name() click to toggle source
# File lib/paperclip/validators/attachment_file_name_validator.rb, line 12
def self.helper_method_name
  :validates_attachment_file_name
end
new(options) click to toggle source
Calls superclass method
# File lib/paperclip/validators/attachment_file_name_validator.rb, line 4
def initialize(options)
  options[:allow_nil] = true unless options.key?(:allow_nil)
  unless options.key?(:add_validation_errors_to)
    options[:add_validation_errors_to] = Paperclip.options[:add_validation_errors_to]
  end
  super
end

Public Instance Methods

allowed() click to toggle source
# File lib/paperclip/validators/attachment_file_name_validator.rb, line 49
def allowed
  [options[:matches]].flatten.compact
end
check_validity!() click to toggle source
# File lib/paperclip/validators/attachment_file_name_validator.rb, line 57
def check_validity!
  unless options.key?(:matches) || options.key?(:not)
    raise ArgumentError, "You must pass in either :matches or :not to the validator"
  end
end
forbidden() click to toggle source
# File lib/paperclip/validators/attachment_file_name_validator.rb, line 53
def forbidden
  [options[:not]].flatten.compact
end
mark_invalid(record, attribute, patterns) click to toggle source
# File lib/paperclip/validators/attachment_file_name_validator.rb, line 45
def mark_invalid(record, attribute, patterns)
  record.errors.add attribute, :invalid, **options.merge(names: patterns.join(", "))
end
validate_blacklist(record, attribute, value) click to toggle source
# File lib/paperclip/validators/attachment_file_name_validator.rb, line 41
def validate_blacklist(record, attribute, value)
  mark_invalid record, attribute, forbidden if forbidden.present? && forbidden.any? { |type| type === value }
end
validate_each(record, attribute, value) click to toggle source
# File lib/paperclip/validators/attachment_file_name_validator.rb, line 16
def validate_each(record, attribute, value)
  base_attribute = attribute.to_sym
  attribute = "#{attribute}_file_name".to_sym
  value = record.send :read_attribute_for_validation, attribute

  return if (value.nil? && options[:allow_nil]) || (value.blank? && options[:allow_blank])

  validate_whitelist(record, attribute, value)
  validate_blacklist(record, attribute, value)

  if record.errors.include?(attribute) &&
      [:both, :base].include?(options[:add_validation_errors_to])

    record.errors[attribute].each do |error|
      record.errors.add base_attribute, error
    end

    record.errors.delete(attribute) if options[:add_validation_errors_to] == :base
  end
end
validate_whitelist(record, attribute, value) click to toggle source
# File lib/paperclip/validators/attachment_file_name_validator.rb, line 37
def validate_whitelist(record, attribute, value)
  mark_invalid record, attribute, allowed if allowed.present? && allowed.none? { |type| type === value }
end