baseurl-only-manager.swift

class APIManager: Alamofire.Manager {
    private let baseURL: String
    private let outboundEncoding: Alamofire.ParameterEncoding
    
    init(baseURL: Alamofire.URLStringConvertible, outboundEncoding: Alamofire.ParameterEncoding = .URL) {
        self.baseURL = baseURL.URLString
    }
    
    private func URLStringWithPath(path: String) -> String {
        return (baseURL as NSString).stringByAppendingPathComponent(path)
    }
    
    func request(
        method: Alamofire.Method,
        path: String,
        parameters: [String : AnyObject]? = nil,
        headers: [String : String]? = nil)
        -> Alamofire.Request
    {
        super.request(method, URLStringWithPath(path), parameters: parameters, encoding: outboundEncoding, headers: headers)
    }
    
    // This method is slower on APIManager as it checks to see if URLString contains a protocol separator "://", incase incorrectly used.
    override func request(
        method: Alamofire.Method,
        _ URLString: Alamofire.URLStringConvertible,
        parameters: [String : AnyObject]? = nil,
        encoding: Alamofire.ParameterEncoding? = nil,
        headers: [String : String]? = nil)
        -> Alamofire.Request
    {
        var path = URLString.URLString
        if !(path ~= "://") {
            path = URLStringWithPath(path)
        }
        
        super.request(method, path, parameters: parameters, encoding: encoding ?? outboundEncoding, headers: headers)
    }
}