SwiftyXMLParser_RadikoService.swift

import Foundation
import RxSwift
import SwiftyXMLParser

class RadikoService: NSObject {

    func get(aid: String) -> Single<[Station]?> {
        return Network.xmlProvider.rx.request(.station(aid: "JP13")) // 東京の番組を取得
            .map { $0.data } // Moya.Response -> Data
            .map { XML.parse($0)} // Data -> XML.Accessor
            .map { accessor -> [RadikoStation]? in // XML.Accessor -> [Station]?
                accessor["stations", "station"].map { Station(accessor: $0) }
            }
    }
}