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Initialization.swift
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Initialization.swift
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//
// Initialization.swift
// Messenger
//
// Created by 虞子轩 on 16/3/23.
// Copyright © 2016年 Zixuan. All rights reserved.
//
import UIKit
public class Initialization {
func launch(){
var number : [Int] = []
//send request to server to initialization
let request = NSMutableURLRequest(URL: NSURL(string: serverUrl + "update?type=1&userid=" + uuid)!)
request.HTTPMethod = "GET"
let task = NSURLSession.sharedSession().dataTaskWithRequest(request) {
data, response, error in
if error != nil {
//if the connection is fail, use local second to syncorize
rate = 10
preRate = 10
let date = NSDate()
let calendar = NSCalendar.currentCalendar()
let components = calendar.components( .Second, fromDate: date)
let second = components.second
syncSec = second
print("error=\(error)")
return
}
print("response = \(response)")
let responseString = NSString(data: data!, encoding: NSUTF8StringEncoding)
print("responseString = \(responseString)")
number = getNumber(responseString)
//the numbers in response should be 2, if more numbers occur, there are some errors on the server
if number.count == 2 {
rate = number[0]
preRate = number[0]
syncSec = number[1]
}else{
preRate = rate
let date = NSDate()
let calendar = NSCalendar.currentCalendar()
let components = calendar.components( .Second, fromDate: date)
let second = components.second
syncSec = second
}
print("rate size: " + String(rate) + "\n")
print("syncSec time: " + String(syncSec) + "\n")
}
task.resume()
}
func quit(){
//send request to server to quit allocation
let request = NSMutableURLRequest(URL: NSURL(string: serverUrl + "update?type=3&userid=" + uuid)!)
request.HTTPMethod = "GET"
let task = NSURLSession.sharedSession().dataTaskWithRequest(request) {
data, response, error in
if error != nil {
print("error=\(error)")
return
}
print("response = \(response)")
let responseString = NSString(data: data!, encoding: NSUTF8StringEncoding)
print("responseString = \(responseString)")
}
task.resume()
//stop timer2
timer2.invalidate()
//if the buffer is not empty, send a push notification to current user
if(!FRArray.isEmpty || nameUpdate != 0 || picUpdate != 0 || statusUpdate != "" || userName != 0 || !ReqArray.isEmpty){
let pushText = "Still having some requests not send yet! These requests will be discarded by the App automatically!"
let pushQuery = PFInstallation.query()
pushQuery.whereKey("user", equalTo: currentuser)
let push = PFPush()
push.setQuery(pushQuery)
let pushDict = ["alert":pushText,"badge":"increment","sound":"notification.mp3"]
push.setData(pushDict)
push.sendPushInBackground()
}
}
}