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Contents
module DataMapper
module Validate
##
#
# @author Guy van den Berg
# @since 0.9
class ValidationErrors
include Enumerable
# Clear existing validation errors.
def clear!
errors.clear
end
# Add a validation 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 validation 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]
errors_for_field.blank? ? nil : errors_for_field
end
def each
errors.map.each do |k,v|
next if v.blank?
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
end # class ValidationErrors
end # module Validate
end # module DataMapper
Version data entries
11 entries across 11 versions & 2 rubygems