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Contents
module Padrino
module Routing
module Helpers
# Used to retrieve the full url for a given named route alias from the named_paths data
# Accepts parameters which will be substituted into the url if necessary
# url_for(:accounts) => '/accounts'
# url_for(:account, :id => 5) => '/account/5'
# url_for(:admin, show, :id => 5, :name => "demo") => '/admin/path/5/demo'
def url_for(*route_name)
params = route_name.extract_options!.reject { |name, val| val.blank? }
route_name.unshift(self.class.app_name.to_sym) unless route_name.first == self.class.app_name.to_sym
mapped_url = self.class.named_paths[route_name]
raise Padrino::RouteNotFound.new("Route alias #{route_name.inspect} is not mapped to a url") unless mapped_url
result_url = String.new(File.join(self.class.uri_root, mapped_url))
result_url.scan(%r{/?(:\S+?)(?:/|$)}).each do |placeholder|
param_key = placeholder[0][1..-1].to_sym
param_obj = params.delete(param_key)
param_value = param_obj.respond_to?(:to_param) ? param_obj.to_param : param_obj
result_url.gsub!(Regexp.new(placeholder[0]), param_value.to_s)
end
result_url << "?" + params.to_params if params.any?
result_url
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems