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Contents
require "active_model"
module ActiveModel
module Validations
# Validates that the value is a url
#
# Example:
#
# validates :website_url, url: true
#
class UrlValidator < EachValidator
URL_PATTERN = URI::DEFAULT_PARSER.make_regexp(%w[http https]).freeze
attr_reader :record, :attribute, :value
def validate_each(record, attribute, value)
@record = record
@attribute = attribute
@value = value
return if skip?
return unless validate_url
nil unless maybe_validate_image_url
end
private
def skip?
return true if value.nil? && options[:allow_nil]
true if value.blank? && options[:allow_blank]
end
def validate_url
return true if URL_PATTERN.match?(value)
record.errors.add attribute, (options[:message] || "is not a valid URL")
false
end
def maybe_validate_image_url
return true unless options[:image].present?
return true unless FastImage.type(value).nil?
record.errors.add(attribute, (options[:message] || "is not a valid image URL"))
false
end
end
end
end
Version data entries
75 entries across 75 versions & 1 rubygems