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# encoding: utf-8
# frozen_string_literal: true
module Warden
class Proxy
# Lifted from DataMapper's dm-validations plugin :)
# @author Guy van den Berg
# @since DM 0.9
class Errors
include Enumerable
# Clear existing authentication errors.
def clear!
errors.clear
end
# 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
def add(field_name, message)
(errors[field_name] ||= []) << message
end
# Collect all errors into a single list.
def full_messages
errors.inject([]) do |list,pair|
list += pair.last
end
end
# Return authentication errors for a particular field_name.
#
# @param <Symbol> field_name the name of the field you want an error for
def on(field_name)
errors_for_field = errors[field_name]
blank?(errors_for_field) ? nil : errors_for_field
end
def each
errors.map.each do |_k,v|
next if blank?(v)
yield(v)
end
end
def empty?
entries.empty?
end
def method_missing(meth, *args, &block)
errors.send(meth, *args, &block)
end
private
def errors
@errors ||= {}
end
def blank?(thing)
thing.nil? || thing == "" || (thing.respond_to?(:empty?) && thing.empty?)
end
end # class Errors
end # Proxy
end # Warden
Version data entries
7 entries across 6 versions & 4 rubygems