HTTP Request error using Alamofire - swift

Question

I am trying to access my MAMP database webservice using Alamofire. Following is my code:
Following is my router to construct my URL:
enum Router: URLRequestConvertible {
static let baseURLString = "http://pushchat.local:44447/"
case PostJoinRequest(String,String,String,String,String)
var URLRequest: NSURLRequest {
let (path: String, parameters: [String: AnyObject]) = {
switch self {
case .PostJoinRequest (let addPath, let userID, let token, let nickName, let secretCode):
let params = ["cmd": "join", "user_id": "\(userID)", "token": "\(token)", "name": "\(nickName)", "code": "\(secretCode)"]
return (addPath, params)
}
}()
let URL = NSURL(string: Router.baseURLString)
let URLRequest = NSURLRequest(URL: URL!.URLByAppendingPathComponent(path))
let encoding = Alamofire.ParameterEncoding.URL
return encoding.encode(URLRequest, parameters: parameters).0
}
}
Following is my viewdidload code:
Alamofire.request(.POST,Router.PostJoinRequest("api.php","12345678901234","12345678901234","ABCDEF","TopSecret")).responseJSON()
{(request, response, JSON, error) in
println(JSON)
}
Following is the compile error:
Cannot invoke 'responseJSON' with an argument list of type '((,,,)->_)'
Following is the declaration from Almofire for your reference.
:param: method The HTTP method.
:param: URLString The URL string.
:param: parameters The parameters. `nil` by default.
:param: encoding The parameter encoding. `.URL` by default.
:returns: The created request.
*/
// public func request(method: Method, _ URLString: URLStringConvertible, parameters: [String: AnyObject]? = nil, encoding: ParameterEncoding = .URL) -> Request {
// return request(encoding.encode(URLRequest(method, URLString), parameters: parameters).0)
// }
Please let me know why am I facing this issue while chaining and what is it that I am not doing right?
Thanks for your help.
Dev

Answer 1

The compiler error message is really misleading – there is no problem with responseJSON but with request method itself.
In fact compiler does not like your second parameter. You are passing URLRequestConvertible but URLStringConvertible is expected (see the signature you posted).
Maybe you wanted to call another version of request method:
//:param: URLRequest The URL request
//:returns: The created request.
public func request(URLRequest: URLRequestConvertible) -> Request
In that case you have to adjust your Router class and set HTTP method into NSURLRequest created inside. For example:
let URLRequest = NSMutableURLRequest(URL: URL!.URLByAppendingPathComponent(path))
URLRequest.HTTPMethod = "POST"
Note you will also probably need to use another parameter/data encoding.