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Contents
module Attachs
module Extensions
module ActiveRecord
module Validations
extend ActiveSupport::Concern
class AttachmentSizeValidator < AttachmentValidator
CHECKS = { less_than: :<, less_than_or_equal_to: :<=, greater_than: :>, greater_than_or_equal_to: :>= }
def initialize(options)
if range = (options[:in] || options[:within])
options[:less_than_or_equal_to] = range.max
options[:greater_than_or_equal_to] = range.min
end
super
end
def validate_one(record, attribute, attachment)
unless attachment.blank?
CHECKS.each do |name, operator|
if options.has_key?(name)
other = options[name]
case other
when Symbol
other = record.send(other)
when Proc
other = other.call(record)
end
unless attachment.size.send(operator, other)
record.errors.add attribute, :invalid
attachment.errors.add :size, name, count: humanize_size(other)
end
end
end
end
end
private
def humanize_size(size)
ActiveSupport::NumberHelper.number_to_human_size size
end
end
module ClassMethods
def validates_attachment_size_of(*attr_names)
validates_with AttachmentSizeValidator, _merge_attributes(attr_names)
end
end
end
end
end
end
Version data entries
3 entries across 3 versions & 1 rubygems