MaxKey/maxkey-web-frontend/maxkey-web-app/src/app/core/startup/startup.service.ts

/*
 * Copyright [2022] [MaxKey of copyright http://www.maxkey.top]
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { HttpClient } from '@angular/common/http';
import { Inject, Injectable } from '@angular/core';
import { Router } from '@angular/router';
import { ACLService } from '@delon/acl';
import { ALAIN_I18N_TOKEN, MenuService, SettingsService, TitleService } from '@delon/theme';
import { NzSafeAny } from 'ng-zorro-antd/core/types';
import { NzIconService } from 'ng-zorro-antd/icon';
import { Observable, zip } from 'rxjs';
import { catchError, map } from 'rxjs/operators';

import { ICONS } from '../../../style-icons';
import { ICONS_AUTO } from '../../../style-icons-auto';
import { I18NService } from '../i18n/i18n.service';

/**
 * Used for application startup
 * Generally used to get the basic data of the application, like: Menu Data, User Data, etc.
 */
@Injectable()
export class StartupService {
  constructor(
    iconSrv: NzIconService,
    private menuService: MenuService,
    @Inject(ALAIN_I18N_TOKEN) private i18n: I18NService,
    private settingService: SettingsService,
    private aclService: ACLService,
    private titleService: TitleService,
    private httpClient: HttpClient,
    private router: Router
  ) {
    iconSrv.addIcon(...ICONS_AUTO, ...ICONS);
  }

  load(): Observable<void> {
    const defaultLang = this.i18n.defaultLang;
    return zip(this.i18n.loadLangData(defaultLang), this.httpClient.get('./assets/app-data.json')).pipe(
      // 接收其他拦截器后产生的异常消息
      catchError(res => {
        console.warn(`StartupService.load: Network request failed`, res);
        setTimeout(() => this.router.navigateByUrl(`/exception/500`));
        return [];
      }),
      map(([langData, appData]: [Record<string, string>, NzSafeAny]) => {
        // setting language data
        this.i18n.use(defaultLang, langData);

        // 应用信息：包括站点名、描述、年份
        this.settingService.setApp(appData.app);
        // 用户信息：包括姓名、头像、邮箱地址
        //this.settingService.setUser(appData.user);
        // ACL：设置权限为全量
        this.aclService.setFull(false);

        // 初始化菜单
        this.menuService.add(appData.menu);
        // 设置页面标题的后缀
        this.titleService.default = '';
        this.titleService.suffix = appData.app.name;
      })
    );
  }
}