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rails--rails/actionpack/lib/action_controller/polymorphic_routes.rb
Jeremy Kemper 0ee1cb2cd3 Ruby 1.9 compat, consistent load paths
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@7719 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
2007-10-02 05:32:14 +00:00

88 lines
2.8 KiB
Ruby

module ActionController
module PolymorphicRoutes
def polymorphic_url(record_or_hash_or_array, options = {})
record = extract_record(record_or_hash_or_array)
namespace = extract_namespace(record_or_hash_or_array)
args = case record_or_hash_or_array
when Hash; [ record_or_hash_or_array ]
when Array; record_or_hash_or_array.dup
else [ record_or_hash_or_array ]
end
inflection =
case
when options[:action] == "new"
args.pop
:singular
when record.respond_to?(:new_record?) && record.new_record?
args.pop
:plural
else
:singular
end
named_route = build_named_route_call(record_or_hash_or_array, namespace, inflection, options)
send!(named_route, *args)
end
def polymorphic_path(record_or_hash_or_array)
polymorphic_url(record_or_hash_or_array, :routing_type => :path)
end
%w(edit new formatted).each do |action|
module_eval <<-EOT, __FILE__, __LINE__
def #{action}_polymorphic_url(record_or_hash)
polymorphic_url(record_or_hash, :action => "#{action}")
end
def #{action}_polymorphic_path(record_or_hash)
polymorphic_url(record_or_hash, :action => "#{action}", :routing_type => :path)
end
EOT
end
private
def action_prefix(options)
options[:action] ? "#{options[:action]}_" : ""
end
def routing_type(options)
"#{options[:routing_type] || "url"}"
end
def build_named_route_call(records, namespace, inflection, options = {})
records = Array.new([extract_record(records)]) unless records.is_a?(Array)
base_segment = "#{RecordIdentifier.send!("#{inflection}_class_name", records.pop)}_"
method_root = records.reverse.inject(base_segment) do |string, name|
segment = "#{RecordIdentifier.send!("singular_class_name", name)}_"
segment << string
end
action_prefix(options) + namespace + method_root + routing_type(options)
end
def extract_record(record_or_hash_or_array)
case record_or_hash_or_array
when Array; record_or_hash_or_array.last
when Hash; record_or_hash_or_array[:id]
else record_or_hash_or_array
end
end
def extract_namespace(record_or_hash_or_array)
returning "" do |namespace|
if record_or_hash_or_array.is_a?(Array)
record_or_hash_or_array.delete_if do |record_or_namespace|
if record_or_namespace.is_a?(String) || record_or_namespace.is_a?(Symbol)
namespace << "#{record_or_namespace.to_s}_"
end
end
end
end
end
end
end