s202226701032/mcbridge-app/src/app/knowledge/knowledge-video/knowledge-video.component.ts

import { Component, OnInit } from '@angular/core';
import { ActivatedRoute, Router } from '@angular/router';
import { IonBackButton, IonButtons, IonTitle, IonToolbar } from '@ionic/angular/standalone';
import { IonIcon } from '@ionic/angular/standalone';
import { IonHeader } from '@ionic/angular/standalone';
import { IonContent, IonItem, IonList } from '@ionic/angular/standalone';
import { addIcons } from 'ionicons';
import { arrowBackOutline } from 'ionicons/icons';
import { CloudObject, CloudQuery } from 'src/lib/ncloud';

addIcons({ arrowBackOutline })

@Component({
  selector: 'app-knowledge-video',
  templateUrl: './knowledge-video.component.html',
  styleUrls: ['./knowledge-video.component.scss'],
  standalone: true,
  imports: [
    IonContent, IonList, IonItem,IonHeader, IonIcon, IonTitle, IonToolbar, IonButtons, IonBackButton
  ]
})
export class KnowledgeVideoComponent  implements OnInit {

  knowledge: CloudObject | null = null; // 初始化为 null

  constructor(private route: ActivatedRoute, private loute: Router) {}

  ngOnInit() {
    const objectId = this.route.snapshot.paramMap.get('id'); // 获取传递的 ObjectId
    if (objectId) { // 检查 objectId 是否为 null
      this.loadKnowledge(objectId); // 加载对应的知识信息
    } else {
      console.error("No ObjectId found in route parameters.");
    }
  }

  async loadKnowledge(objectId: string) {
    let query = new CloudQuery("videoknowledge");
    query.equalTo("title", objectId); // 根据 ObjectId 查询
    const knowledge = await query.first(); // 获取单条记录
    if (knowledge) {
      this.knowledge = knowledge; // 将获取的知识信息赋值给 knowledge 属性
    } else {
      console.error("Knowledge not found for ObjectId:", objectId);
      // 可以考虑在这里处理找不到知识的情况，比如导航到错误页面或者显示提示
    }
  }

  goToLastPage(){
    this.loute.navigate(['/tabs/knowledge-total'])
  }

}