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Contents
module Ohm
module Validations
class Presenter
class UnhandledErrors < StandardError
attr :errors
def initialize(errors)
@errors = errors
end
def message
"Unhandled errors: #{errors.inspect}"
end
end
def initialize(errors)
@errors = errors
@unhandled = errors.dup
@output = []
end
def on(error, message = (block_given? ? yield : raise(ArgumentError)))
handle(error) do
@output << message
end
end
def ignore(error)
handle(error)
end
def present
yield(self)
raise UnhandledErrors.new(@unhandled) unless @unhandled.empty?
@output
end
protected
def handle(error)
if (errors = @errors.select {|e| error === e }).any?
@unhandled -= errors
yield(errors) if block_given?
end
end
end
class Errors < Array
attr_accessor :model
def initialize(model)
@model = model
end
def present(presenter = Presenter, &block)
presenter.new(model.errors).present(&block)
end
end
def valid?
errors.clear
validate
errors.empty?
end
def validate
end
def errors
@errors ||= Errors.new(self)
end
protected
def assert_format(att, format, error = [att, :format])
if assert_present(att, error)
assert(send(att).to_s.match(format), error)
end
end
def assert_present(att, error = [att, :not_present])
assert(!send(att).to_s.empty?, error)
end
def assert_numeric(att, error = [att, :not_numeric])
if assert_present(att, error)
assert_format(att, /^\d+$/, error)
end
end
def assert(value, error)
value or errors.push(error) && false
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems