InsightSphere/src/modules/post-create/post-create.page.ts

import { Component } from '@angular/core';
import { NavController, AlertController } from '@ionic/angular';
import Parse from 'parse';

@Component({
  selector: 'app-post-create',
  templateUrl: './post-create.page.html',
  styleUrls: ['./post-create.page.scss'],
})
export class PostCreatePage {
  title: string = '';
  content: string = '';
  image: string = '';

  constructor(private navCtrl: NavController, private alertCtrl: AlertController) {}

  async uploadImage() {
    // 实现上传图片的逻辑
    const alert = await this.alertCtrl.create({
      header: '上传图片',
      inputs: [
        {
          name: 'imageUrl',
          type: 'url',
          placeholder: '输入图片URL'
        }
      ],
      buttons: [
        {
          text: '取消',
          role: 'cancel'
        },
        {
          text: '上传',
          handler: (data) => {
            this.image = data.imageUrl;
          }
        }
      ]
    });

    await alert.present();
  }

  async submitPost() {
    if (!this.title || !this.content) {
      const alert = await this.alertCtrl.create({
        header: '错误',
        message: '标题和正文不能为空',
        buttons: ['确定']
      });
      await alert.present();
      return;
    }
    
    const currentUser = Parse.User.current();

    if (!currentUser) {
      const alert = await this.alertCtrl.create({
        header: '错误',
        message: '请先登录',
        buttons: ['确定']
      });
      await alert.present();
      return;
    }

    // 获取用户的 username 和 avatarUrl
    const authorInfo = {
      username: currentUser.get('username'),
      avatarUrl: currentUser.get('avatarUrl') || 'assets/images/default-avatar.jpg' // 默认头像路径
    };

    const Post240709 = Parse.Object.extend('Post240709');
    const post = new Post240709();
    post.set('title', this.title);
    post.set('content', this.content);
    post.set('imageUrl', this.image);
    post.set('author', authorInfo); // 设置 author 字段为包含 username 和 avatarUrl 的对象

    try {
      const savedPost = await post.save();
      const successAlert = await this.alertCtrl.create({
        header: '成功',
        message: '发布成功',
        buttons: ['确认']
      });
      await successAlert.present();
  
      // // 延迟一段时间后返回首页
      // setTimeout(() => {
      //   this.navCtrl.navigateBack('/home');
      // }, 1000); // 1秒后返回首页，可以根据需求调整延迟时间
    } catch (error) {
      console.error('Error while creating post:', error);
      const alert = await this.alertCtrl.create({
        header: '错误',
        message: '发布失败，请重试',
        buttons: ['确定']
      });
      await alert.present();
    }
  }
}