class Paperclip::Validators::AttachmentSizeValidator
Constants
- AVAILABLE_CHECKS
Public Class Methods
helper_method_name()
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# File lib/paperclip/validators/attachment_size_validator.rb, line 13 def self.helper_method_name :validates_attachment_size end
new(options)
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Calls superclass method
# File lib/paperclip/validators/attachment_size_validator.rb, line 8 def initialize(options) extract_options(options) super end
Public Instance Methods
check_validity!()
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# File lib/paperclip/validators/attachment_size_validator.rb, line 53 def check_validity! unless (AVAILABLE_CHECKS + [:in]).any? { |argument| options.key?(argument) } raise ArgumentError, "You must pass either :less_than, :greater_than, or :in to the validator" end end
validate_each(record, attr_name, value)
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# File lib/paperclip/validators/attachment_size_validator.rb, line 17 def validate_each(record, attr_name, value) base_attr_name = attr_name attr_name = "#{attr_name}_file_size".to_sym error_attrs = [] case options[:add_validation_errors_to] when :base error_attrs << base_attr_name when :attribute error_attrs << attr_name else error_attrs << base_attr_name error_attrs << attr_name end value = record.send(:read_attribute_for_validation, attr_name) unless value.blank? options.slice(*AVAILABLE_CHECKS).each do |option, option_value| option_value = option_value.call(record) if option_value.is_a?(Proc) option_value = extract_option_value(option, option_value) unless value.send(CHECKS[option], option_value) error_message_key = options[:in] ? :in_between : option error_attrs.each do |error_attr_name| record.errors.add(error_attr_name, error_message_key, **filtered_options(value).merge( min: min_value_in_human_size(record), max: max_value_in_human_size(record), count: human_size(option_value) )) end end end end end
Private Instance Methods
extract_option_value(option, option_value)
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# File lib/paperclip/validators/attachment_size_validator.rb, line 77 def extract_option_value(option, option_value) if option_value.is_a?(Range) if [:less_than, :less_than_or_equal_to].include?(option) option_value.max else option_value.min end else option_value end end
extract_options(options)
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# File lib/paperclip/validators/attachment_size_validator.rb, line 61 def extract_options(options) if range = options[:in] if !options[:in].respond_to?(:call) options[:less_than_or_equal_to] = range.max options[:greater_than_or_equal_to] = range.min else options[:less_than_or_equal_to] = range options[:greater_than_or_equal_to] = range end end unless options.key?(:add_validation_errors_to) options[:add_validation_errors_to] = Paperclip.options[:add_validation_errors_to] end end
human_size(size)
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# File lib/paperclip/validators/attachment_size_validator.rb, line 89 def human_size(size) ActiveSupport::NumberHelper.number_to_human_size(size) end
max_value_in_human_size(record)
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# File lib/paperclip/validators/attachment_size_validator.rb, line 100 def max_value_in_human_size(record) value = options[:less_than_or_equal_to] || options[:less_than] value = value.call(record) if value.respond_to?(:call) value = value.max if value.respond_to?(:max) human_size(value) end
min_value_in_human_size(record)
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# File lib/paperclip/validators/attachment_size_validator.rb, line 93 def min_value_in_human_size(record) value = options[:greater_than_or_equal_to] || options[:greater_than] value = value.call(record) if value.respond_to?(:call) value = value.min if value.respond_to?(:min) human_size(value) end