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module ActionController
module PolymorphicRoutes
extend self
def polymorphic_url(record_or_hash, url_writer, options = {})
record = extract_record(record_or_hash)
case
when options[:action] == "new"
url_writer.send(
action_prefix(options) + RecordIdentifier.singular_class_name(record) + routing_type(options)
)
when record.respond_to?(:new_record?) && record.new_record?
url_writer.send(
action_prefix(options) + RecordIdentifier.plural_class_name(record) + routing_type(options)
)
else
url_writer.send(
action_prefix(options) + RecordIdentifier.singular_class_name(record) + routing_type(options), record_or_hash
)
end
end
def polymorphic_path(record_or_hash, url_writer)
polymorphic_url(record_or_hash, url_writer, :routing_type => :path)
end
%w( edit new formatted ).each do |action|
module_eval <<-EOT
def #{action}_polymorphic_url(record_or_hash, url_writer)
polymorphic_url(record_or_hash, url_writer, :action => "#{action}")
end
def #{action}_polymorphic_path(record_or_hash, url_writer)
polymorphic_url(record_or_hash, url_writer, :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 extract_record(record_or_hash)
record_or_hash.is_a?(Hash) ? record_or_hash[:id] : record_or_hash
end
end
end
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