swift-Promise

//
//  MyPromise.swift
//  WeexApp
//
//  Created by zzn on 2016/9/28.
//  Copyright © 2016年 zzn. All rights reserved.
//

import UIKit
import PromiseKit

class MyPromise {

    init() {
        setup()
    }
    
    func setup() {

        login(userName: "lishi", pwd: "1234").then{self.getFriend(id: $0.id)}.then{ (list) -> Void in
            print(list.enumerated())
        }.catch { (err) in
            print(err)
        }
    }
    

    //模拟登陆
    func login(userName:String,pwd:String) -> Promise<Person> {
        
        //requestNet
        let isAcc = true
        let person = Person()
        
        return Promise{ fulfile,reject in
        
            if isAcc {
                person.name = userName
                person.pwd = pwd
                fulfile(person)
            } else {
                reject(MyError.init(info: "HAHA"))
            }
        }
        
    }
    //模拟获取好友列表
    func getFriend(id:String?) -> Promise<[Person]>  {
        
        
        //requestNet

        let perList = [Person(),Person()]
        return Promise{ fulfile,reject in
            
            if id?.isEmpty == true {
                reject(MyError.init(info: "HAHA"))
            }
            
            fulfile(perList)
        }
    }
    

}

class Person {
    
    var name:String?
    var pwd:String?
    var id = "2332"
    
    init() {
        name = "zhanshan"
        pwd = "11"
    }
    
}

struct MyError:Error {
    
    var info:String
}