PromiseBreak.swift

func checkGuarantee() -> Promise<JSON> {
        return Promise { fulfill, reject in
            for index in 1...3 {
                let typeOfId = index
                let parameters = [
                    "u": "solarbkgo",
                    "p": "c8453f377e716b46ca29b321a20767c4",
                    "type": typeOfId,
                    "code": "33252"
                    ] as [String : Any]
                Alamofire.request(SLBKAPIRouter.getGuarantee(parameters))
                    .validate()
                    .responseJSON { response in
                        switch response.result {
                        case .success(_):
                            let results = JSON(response.result.value)
                            if results != JSON(404) {
                                fulfill(results)
                                break
                            } else {
                                fulfill(nil)
                            }
                        case .failure(let err):
                            print(err)
                        }
                }
            }
        }
    }