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module Padrino
module Contrib
module Helpers
##
# Dead simple version of rack-flash.
# You still use flash without session, but remember that
# they can't work after a redirect.
#
# ==== Usage:
#
# register Padrino::Contrib::Helpers::Flash
#
module Flash
def self.registered(app)
app.before { @_flash, session[:_flash] = session[:_flash], nil if settings.sessions? && session[:_flash] }
app.helpers InstanceMethods
end
module InstanceMethods
def flash
@_flash ||= {}
end
def redirect(uri, *args)
session[:_flash] = @_flash if settings.sessions? && flash.present?
super(uri, *args)
end
end
end # Flash
end # Helpers
end # Contrib
end # Padrino