import { Injectable, Injector, Inject } from '@angular/core';
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import { Router } from '@angular/router';
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import { HttpClient } from '@angular/common/http';
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import { zip } from 'rxjs';
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import { catchError } from 'rxjs/operators';
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import {
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MenuService,
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SettingsService,
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TitleService,
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ALAIN_I18N_TOKEN,
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} from '@delon/theme';
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import { ACLService } from '@delon/acl';
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import { TranslateService } from '@ngx-translate/core';
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import { I18NService } from '../i18n/i18n.service';
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/**
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* 用于应用启动时
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* 一般用来获取应用所需要的基础数据等
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*/
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@Injectable()
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export class StartupService {
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constructor(
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private menuService: MenuService,
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private translate: TranslateService,
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@Inject(ALAIN_I18N_TOKEN) private i18n: I18NService,
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private settingService: SettingsService,
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private aclService: ACLService,
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private titleService: TitleService,
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private httpClient: HttpClient,
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private injector: Injector,
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) {}
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load(): Promise<any> {
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// only works with promises
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// https://github.com/angular/angular/issues/15088
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return new Promise((resolve, reject) => {
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zip(
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this.httpClient.get(`assets/tmp/i18n/${this.i18n.defaultLang}.json`),
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this.httpClient.get('assets/tmp/app-data.json'),
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)
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.pipe(
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// 接收其他拦截器后产生的异常消息
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catchError(([langData, appData]) => {
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resolve(null);
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return [langData, appData];
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}),
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)
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.subscribe(
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([langData, appData]) => {
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// setting language data
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this.translate.setTranslation(this.i18n.defaultLang, langData);
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this.translate.setDefaultLang(this.i18n.defaultLang);
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// application data
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const res: any = appData;
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// 应用信息：包括站点名、描述、年份
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this.settingService.setApp(res.app);
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// 用户信息：包括姓名、头像、邮箱地址
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this.settingService.setUser(res.user);
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// ACL：设置权限为全量
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this.aclService.setFull(true);
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// 初始化菜单
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this.menuService.add(res.menu);
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// 设置页面标题的后缀
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this.titleService.suffix = res.app.name;
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},
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() => {},
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() => {
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resolve(null);
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},
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);
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});
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}
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}
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