version.ts

import {Component} from '@angular/core';
import {AlertController, IonicPage, NavController, NavParams} from 'ionic-angular';
import {AppService} from '../../service/http.service';
import {AppVersion} from '@ionic-native/app-version';
import {AppUpdateService} from "../../service/appUpdate.service";
import {Storage} from "@ionic/storage";
import {LoginPage} from "../login/login";
import {App} from "ionic-angular";
import {ProposalPage} from "../mine-pages/proposal/proposal";

@IonicPage()
@Component({
    selector: 'page-version',
    templateUrl: 'version.html'
})

export class VersionPage {
    version: string = '';
    latestVersion: string = '';
    isLatest: boolean = true;
    pusNumber: boolean;

    constructor(public navCtrl: NavController,
                public navParams: NavParams,
                public appService: AppService,
                private appUpdateService: AppUpdateService,
                private appVersion: AppVersion,
                private storage: Storage,
                private app:App,
                private alertCtrl: AlertController) {

    }

    ionViewWillEnter() {
        this.getversion();
        this.getAppPush();

        this.appUpdateService.compariVersion().subscribe(res => {
            var data = res.json();
            if (data.code == 200) {
                this.latestVersion = data.latestVersion;
            }
        });
    }

    //获取推送开关
    getAppPush() {
        this.appService.ObserverHttpGet('/wisdomgroup/modules/common/file/getAppPush', null)
            .subscribe(
                (res) => {
                    if (res._body == "") {
                        this.pusNumber = true;
                    } else {
                        this.pusNumber = res.json();
                    }
                }
            )
    }

    //保存推送开关
    savePush() {
        this.appService.ObserverHttpGetAdd('/wisdomgroup/modules/common/file/addAppPush/', this.pusNumber)
            .subscribe(
                (res) => {
                }
            )
    }

    //前往意见
    goTo(page){
        this.navCtrl.push(page);
    }

    //获取最新版本信息
    getversion() {
        //检测是否需要更新
        this.appVersion.getVersionNumber().then((version: string) => {
            this.version = version;
            this.appUpdateService.compariVersion().subscribe(res => {
                var data = res.json();
                if (data.code == 200) {
                    this.latestVersion = data.latestVersion;
                    if (data.latestVersion != null && data.latestVersion != version) {
                        this.isLatest = false;
                    }
                }
            });
        }).catch(err => {
        });
    }

    //更新
    update() {
        if (this.isLatest) {
            const alert = this.alertCtrl.create({
                subTitle: '已是最新版本',
                buttons: ['确定']
            });
            alert.present();
        } else {
            const confirm = this.alertCtrl.create({
                message: '有最新版本，是否更新?',
                buttons: [
                    {
                        text: '取消',
                        handler: () => {
                            console.log('Disagree clicked');
                        }
                    },
                    {
                        text: '确定',
                        handler: () => {
                            this.appUpdateService.downloadApp("/wisdomgroup/app/download");
                        }
                    }
                ]
            });
            confirm.present();
        }
    }


    //后台退出
    logoutApp() {
        let length = this.navCtrl.length();
        this.navCtrl.remove(length);
        this.storage.clear();
        this.appService.ObserverHttpGet("/wisdomgroup/app/logout", null)
            .subscribe((res: Response) => {
                    this.app.getRootNav().setRoot(LoginPage);
                }, error => {
                }
            );
    }
}