add GMBase/Classes/AddClass/GMCalendarEventManager.swift

GMBase/Classes/AddClass/GMCalendarEventManager.swift

+//
+//  GMCalendarEventManager.swift
+//  Gengmei
+//
+//  Created by 汪俊 on 16/7/4.
+//  Copyright © 2016年 更美互动信息科技有限公司. All rights reserved.
+//
+
+import UIKit
+//import GMBaseSwift
+
+import EventKit
+typealias  CalendarAuthorizationAllowedBlock = () -> Void
+@objcMembers
+class GMCalendarEventManager: NSObject {
+    var authorizationAllowed: CalendarAuthorizationAllowedBlock?
+    var eventStore = EKEventStore()
+    override init() {
+        
+        super.init()
+        //请求授权
+        let status = EKEventStore.authorizationStatus(for: .event)
+        if status == .notDetermined {
+            eventStore.requestAccess(to: .event, completion: { (allowed, _) in
+                if allowed {
+                    print("allowed")
+                    if self.authorizationAllowed != nil {
+                        self.authorizationAllowed!()
+                    }
+                } else {
+                    print("not allowed")
+                }
+            })
+        } else if status == .restricted || status == .denied {
+            showAlertcontrolle()
+        }
+    }
+    
+    /**
+     添加日历事件
+     - author: wangjun 07-07-2016 in 6.1.0
+     - parameter title:       事件的标题
+     - parameter startDate:   开始时间
+     - parameter endDate:     结束时间`
+     - parameter triggerTime: 提醒事件
+     - parameter url:         跳转到美购详情页面的地址
+     */
+    func addEvent(_ title: String = "", startDate: TimeInterval, endDate: TimeInterval, serviceId: String, url: String) {
+        let timeZone = TimeZone.current
+        let deltaTime = timeZone.secondsFromGMT()
+        let event = EKEvent(eventStore: eventStore)
+        let gengmeiTitle = "更美App秒杀: " + title
+        event.title = gengmeiTitle
+        event.startDate = Date(timeIntervalSince1970: startDate - TimeInterval(deltaTime))
+        event.endDate = Date(timeIntervalSince1970: endDate - TimeInterval(deltaTime))
+        event.calendar = eventStore.defaultCalendarForNewEvents
+        event.notes = url
+        //计算出秒杀提醒时间,开始前3分钟
+        var triggerTime = Date(timeIntervalSince1970: startDate)
+        triggerTime = triggerTime.addingTimeInterval(-180 - TimeInterval(deltaTime))
+        let alarm = EKAlarm(absoluteDate: triggerTime)
+        event.addAlarm(alarm)
+        do {
+            try eventStore.save(event, span: .thisEvent)
+            //将event的id 保存到本地
+            UserDefaults.standard.set(event.eventIdentifier, forKey: serviceId)
+            UserDefaults.standard.synchronize()
+        } catch {
+            print("error show")
+        }
+    }
+    
+    /**
+     通过标题删除日历事件
+     - author: wangjun 07-07-2016 in 6.1.0
+     - parameter title: 事件的标题
+     */
+    func removeEvent(_ serviceId: String) {
+        
+        //取出对应的event eventId
+        guard let eventId = (UserDefaults.standard.object(forKey: serviceId)) as? String else {
+            return
+        }
+        let event = eventStore.event(withIdentifier: eventId)
+        do {
+            if event != nil {
+                try eventStore.remove(event!, span: .thisEvent)
+            }
+        } catch {
+            print("error")
+        }
+    }
+    
+    /**
+     判断用户是够开启日历服务
+     - author: wangjun
+     - date: 16-07-04 18:07:22 07-04-2016 in 6.1.0
+     */
+    func checkAuthorized() -> Bool {
+        return EKEventStore.authorizationStatus(for: .event) == .authorized
+    }
+    
+    /**
+     提醒用户开启日历服务的alert
+     - author: wangjun 07-07-2016 in 6.1.0
+     */
+    func showAlertcontrolle() {
+        
+        let status = EKEventStore.authorizationStatus(for: .event)
+        if status == .authorized {
+            return
+        } else {
+            let alert = UIAlertController(title: "", message: "未授权日历权限,可能导致无法成功提醒哟,快去开启设置吧", preferredStyle: .alert)
+            let actionA = UIAlertAction(title: "取消", style: .cancel) { (_) in}
+            alert.addAction(actionA)
+            let actionB = UIAlertAction(title: "去设置", style: .default) { (_) in
+                if #available(iOS 10.0, *) {
+                    UIApplication.shared.open(URL(string: UIApplication.openSettingsURLString)!, options: [:], completionHandler: nil)
+                } else {
+                    UIApplication.shared.openURL(URL(string: UIApplication.openSettingsURLString)!)
+                }
+            }
+            alert.addAction(actionB)
+            GMBaseTool.getCurrentViewController().present(alert, animated: true, completion: nil)
+        }
+    }
+}