Class: UrlValidator
- Inherits:
-
ActiveModel::EachValidator
- Object
- ActiveModel::EachValidator
- UrlValidator
- Defined in:
- app/forms/url_validator.rb
Overview
A custom validator to check that the field value is a URL.
validates :my_url, url: true
Instance Method Summary collapse
-
#url_valid?(url) ⇒ Boolean
a URL may be technically well-formed but may not actually be valid, so this checks for both.
- #validate_each(record, attribute, value) ⇒ Object
Instance Method Details
#url_valid?(url) ⇒ Boolean
a URL may be technically well-formed but may not actually be valid, so this checks for both.
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# File 'app/forms/url_validator.rb', line 14 def url_valid?(url) return true if url.blank? url = URI.parse(url) (url.is_a?(URI::HTTP) || url.is_a?(URI::HTTPS)) && url.host.present? rescue URI::InvalidURIError false end |
#validate_each(record, attribute, value) ⇒ Object
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# File 'app/forms/url_validator.rb', line 8 def validate_each(record, attribute, value) record.errors.add attribute, :url_format, ** unless url_valid?(value) end |