Lifted from DataMapper's dm-validations plugin :) @author Guy van den Berg @since DM 0.9
Add a authentication error. Use the field_name :general if the errors does not apply to a specific field of the Resource.
@param <Symbol> field_name the name of the field that caused the error @param <String> message the message to add
# File lib/warden/errors.rb, line 20 def add(field_name, message) (errors[field_name] ||= []) << message end
Clear existing authentication errors.
# File lib/warden/errors.rb, line 11 def clear! errors.clear end
# File lib/warden/errors.rb, line 39 def each errors.map.each do |k,v| next if blank?(v) yield(v) end end
# File lib/warden/errors.rb, line 46 def empty? entries.empty? end
Collect all errors into a single list.
# File lib/warden/errors.rb, line 25 def full_messages errors.inject([]) do |list,pair| list += pair.last end end
# File lib/warden/errors.rb, line 50 def method_missing(meth, *args, &block) errors.send(meth, *args, &block) end
Return authentication errors for a particular field_name.
@param <Symbol> field_name the name of the field you want an error for
# File lib/warden/errors.rb, line 34 def on(field_name) errors_for_field = errors[field_name] blank?(errors_for_field) ? nil : errors_for_field end