wxamp-ymtxMerchant/pagesA/pages/askingSyDetails/askingSyDetails.js

import http from '../../../utils/api'
const baseUrl = require('../../../utils/baseUrl')

Page({
  /**
   * 页面的初始数据
   */
  data: {
    diagnosisData: {},
    replies: [],
    baseUrl: baseUrl,
    refreshing: false,
    
    // 新增回复相关数据
    showReplyInput: true,
    replyContent: '',
    replyImages: [],
    replyImagesTemp: [], // 本地临时路径，用于预览
    uploadingImage: false,
    submittingReply: false,
    isUploading: false // 防止重复上传
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad(options) {
    if (options.data) {
      // 根据id加载兽医回复数据
      const data = JSON.parse(decodeURIComponent(options.data));
      // 处理用户图片 - 确保是数组格式
      if (data.images) {
        if (typeof data.images === 'string') {
          data.images = data.images.split(',')
        }
        console.log('用户图片:', data.images);
      } else {
        data.images = [];
      }
      
      this.setData({
        diagnosisData: data,
      })
      this.loadDiagnosisData(data.formId);
    }
  },

  /**
   * 加载问诊数据（兽医回复）
   * @param {string} id - 问诊ID
   */
  loadDiagnosisData(id) {
    console.log('加载问诊数据:', id);
    wx.showLoading({
      title: '加载中...',
      mask: true
    });
    
    http.wzdxq({
      data: {
        consultationId: id
      },
      success: res => {
        wx.hideLoading();
        // 处理兽医回复的图片
        let replies = [];
        
        if (res && res.rows) {
          replies = res.rows || [];
          
          // 遍历每个回复，处理图片字段
          for (let i = 0; i < replies.length; i++) {
            const item = replies[i];
            
            // 处理图片 - 确保是数组格式
            if (item.images) {
              if (typeof item.images === 'string') {
                // 如果是空字符串，设为空数组
                if (item.images.trim() === '') {
                  item.images = [];
                } else {
                  // 按逗号分割字符串
                  item.images = item.images.split(',');
                }
              } else if (Array.isArray(item.images)) {
                // 已经是数组，但需要过滤空值
                item.images = item.images.filter(img => img && img.trim() !== '');
              } else {
                item.images = [];
              }
            } else {
              item.images = [];
            }
            
            console.log(`兽医回复[${i}]图片:`, item.images);
          }
        }
        
        console.log('兽医回复数据:', replies);
        this.setData({
          replies: replies
        })
      },
      fail: err => {
        wx.hideLoading();
        console.error('加载回复失败:', err);
        wx.showToast({
          title: '加载失败',
          icon: 'none'
        });
      }
    })
  },

  /**
   * 回复内容输入
   */
  onReplyContentInput(e) {
    this.setData({
      replyContent: e.detail.value
    });
  },

  /**
   * 清空所有图片
   */
  clearAllImages() {
    if (this.data.replyImages.length === 0) return;
    
    wx.showModal({
      title: '提示',
      content: '确定要清空所有已选图片吗？',
      success: (res) => {
        if (res.confirm) {
          this.setData({
            replyImages: [],
            replyImagesTemp: []
          });
        }
      }
    });
  },

  /**
   * 选择回复图片 - 优化后的版本
   */
  chooseReplyImage() {
    if (this.data.isUploading) {
      wx.showToast({
        title: '正在上传中，请稍候',
        icon: 'none'
      });
      return;
    }

    if (this.data.replyImages.length >= 9) {
      wx.showToast({
        title: '最多上传9张图片',
        icon: 'none'
      });
      return;
    }

    wx.chooseMedia({
      count: 9 - this.data.replyImages.length,
      mediaType: ['image'],
      sourceType: ['album', 'camera'],
      sizeType: ['compressed'],
      success: (res) => {
        if (res.tempFiles && res.tempFiles.length > 0) {
          this.setData({
            isUploading: true
          });
          
          // 显示加载提示
          wx.showLoading({
            title: '上传图片中...',
            mask: true
          });

          // 获取临时文件路径列表
          const tempPaths = res.tempFiles.map(file => file.tempFilePath);
          
          // 保存临时路径用于预览
          const newTempPaths = [...this.data.replyImagesTemp, ...tempPaths];
          this.setData({
            replyImagesTemp: newTempPaths
          });

          // 逐张上传图片
          this.uploadImages(tempPaths);
        }
      }
    });
  },

  /**
   * 上传多张图片 - 优化后的版本
   */
  uploadImages(filePaths) {
    const uploadTasks = filePaths.map(path => {
      return new Promise((resolve, reject) => {
        wx.uploadFile({
          url: baseUrl + '/common/upload',
          filePath: path,
          name: 'file',
          header: {
            'Authorization': 'Bearer ' + wx.getStorageSync('token')
          },
          success: (res) => {
            try {
              const data = JSON.parse(res.data);
              if (data.code === 200 || data.fileName) {
                const imagePath = data.fileName || data.url;
                resolve(imagePath);
              } else {
                reject(new Error(data.msg || '上传失败'));
              }
            } catch (e) {
              reject(e);
            }
          },
          fail: (err) => {
            reject(err);
          }
        });
      });
    });

    Promise.all(uploadTasks)
      .then((imagePaths) => {
        wx.hideLoading();
        
        // 将新上传的图片添加到现有图片数组中
        const newReplyImages = [...this.data.replyImages, ...imagePaths];
        
        this.setData({
          replyImages: newReplyImages,
          isUploading: false
        });
        
        wx.showToast({
          title: '上传成功',
          icon: 'success'
        });
      })
      .catch((err) => {
        wx.hideLoading();
        console.error('上传失败:', err);
        
        // 上传失败时，移除对应的临时预览图片
        const failedCount = filePaths.length;
        const currentTempPaths = [...this.data.replyImagesTemp];
        for (let i = 0; i < failedCount; i++) {
          currentTempPaths.pop();
        }
        
        this.setData({
          replyImagesTemp: currentTempPaths,
          isUploading: false
        });
        
        wx.showToast({
          title: '上传失败，请重试',
          icon: 'none'
        });
      });
  },

  /**
   * 移除单张回复图片
   */
  removeReplyImage(e) {
    const index = e.currentTarget.dataset.index;
    const replyImages = this.data.replyImages.filter((_, i) => i !== index);
    const replyImagesTemp = this.data.replyImagesTemp.filter((_, i) => i !== index);
    
    this.setData({
      replyImages: replyImages,
      replyImagesTemp: replyImagesTemp
    });
  },

  /**
   * 提交回复 - 优化后的版本
   */
  submitReply() {
    const content = this.data.replyContent.trim();
    const images = this.data.replyImages;
    
    // 检查内容
    if (!content && images.length === 0) {
      wx.showToast({
        title: '请输入回复内容或上传图片',
        icon: 'none'
      });
      return;
    }

    if (this.data.submittingReply || this.data.isUploading) {
      wx.showToast({
        title: this.data.isUploading ? '图片上传中，请稍后' : '提交中，请稍后',
        icon: 'none'
      });
      return;
    }

    this.setData({ submittingReply: true });

    // 显示加载提示
    wx.showLoading({
      title: '发送中...',
      mask: true
    });

    // 准备提交数据
    const submitData = {
      consultationId: this.data.diagnosisData.formId,
      content: content
    };

    // 如果有图片，将图片数组转为逗号分隔的字符串
    if (images.length > 0) {
      submitData.images = images.join(',');
    }

    console.log('提交回复数据:', submitData);

    // 调用回复接口
    http.wzdAdd({
      data: submitData,
      success: res => {
        wx.hideLoading();
        
        if (res.code === 200 || res.success) {
          // 清空输入
          this.setData({
            replyContent: '',
            replyImages: [],
            replyImagesTemp: [],
            submittingReply: false
          });
          
          wx.showToast({
            title: '回复成功',
            icon: 'success'
          });
          
          // 重新加载回复列表
          this.loadDiagnosisData(this.data.diagnosisData.formId);
          
          // 滚动到底部
          setTimeout(() => {
            wx.createSelectorQuery().select('.page-content').boundingClientRect(rect => {
              wx.pageScrollTo({
                scrollTop: rect.height,
                duration: 300
              });
            }).exec();
          }, 500);
        } else {
          this.setData({ submittingReply: false });
          wx.showToast({
            title: res.message || '回复失败',
            icon: 'none'
          });
        }
      },
      fail: err => {
        wx.hideLoading();
        this.setData({ submittingReply: false });
        console.error('回复失败:', err);
        wx.showToast({
          title: '网络错误，请重试',
          icon: 'none'
        });
      }
    });
  },

  /**
   * 返回上一页
   */
  goBack() {
    wx.navigateBack();
  },

  /**
   * 分享
   */
  onShare() {
    wx.showActionSheet({
      itemList: ['分享给好友', '保存到相册'],
      success: (res) => {
        if (res.tapIndex === 0) {
          wx.showToast({
            title: '已分享',
            icon: 'success'
          });
        }
      }
    });
  },

  /**
   * 下拉刷新
   */
  onRefresh() {
    this.setData({
      refreshing: true
    });
    
    if (this.data.diagnosisData && this.data.diagnosisData.formId) {
      this.loadDiagnosisData(this.data.diagnosisData.formId)
    }

    setTimeout(() => {
      this.setData({
        refreshing: false
      });
      wx.showToast({
        title: '刷新成功',
        icon: 'success'
      });
    }, 1000);
  },

  /**
   * 预览用户图片
   */
  previewImage(e) {
    const dataset = e.currentTarget.dataset;
    const current = dataset.url;
    const urls = dataset.urls || [];
    
    // 构建完整URL数组
    const urlsArray = urls.map(item => {
      if (typeof item === 'string' && (item.startsWith('http://') || item.startsWith('https://'))) {
        return item;
      }
      return baseUrl + item;
    });
    
    console.log('预览用户图片:', urlsArray);
    wx.previewImage({
      current: current,
      urls: urlsArray
    });
  },

  /**
   * 预览兽医回复图片
   */
  previewReplyImage(e) {
    const dataset = e.currentTarget.dataset;
    
    const currentFileName = dataset.url;
    const currentFullUrl = dataset.fullurl;
    const urlsArray = dataset.urls || [];
    const currentIndex = dataset.currentIndex || 0;
    const replyIndex = dataset.replyIndex;
    
    console.log('预览兽医图片 - 数据集:', dataset);
    
    // 从replies数据中获取当前回复的图片列表
    let targetUrls = [];
    let targetCurrentUrl = '';
    
    if (replyIndex !== undefined && this.data.replies[replyIndex]) {
      const reply = this.data.replies[replyIndex];
      if (reply.images && reply.images.length > 0) {
        targetUrls = reply.images;
        
        const fullUrls = targetUrls.map(img => {
          if (typeof img === 'string' && (img.startsWith('http://') || img.startsWith('https://'))) {
            return img;
          }
          return baseUrl + img;
        });
        
        if (currentIndex < fullUrls.length) {
          targetCurrentUrl = fullUrls[currentIndex];
        } else if (currentFullUrl) {
          targetCurrentUrl = currentFullUrl;
        } else if (currentFileName) {
          targetCurrentUrl = baseUrl + currentFileName;
        }
        
        console.log('预览兽医回复图片:', fullUrls, '当前:', targetCurrentUrl);
        
        wx.previewImage({
          current: targetCurrentUrl,
          urls: fullUrls
        });
        return;
      }
    }
    
    // 使用dataset中的数据
    if (urlsArray && urlsArray.length > 0) {
      const fullUrls = urlsArray.map(item => {
        if (typeof item === 'string' && (item.startsWith('http://') || item.startsWith('https://'))) {
          return item;
        }
        return baseUrl + item;
      });
      
      let currentUrl = '';
      if (currentFullUrl) {
        currentUrl = currentFullUrl;
      } else if (currentIndex < fullUrls.length) {
        currentUrl = fullUrls[currentIndex];
      } else if (currentFileName) {
        currentUrl = baseUrl + currentFileName;
      }
      
      console.log('预览兽医回复图片(从dataset):', fullUrls, '当前:', currentUrl);
      
      wx.previewImage({
        current: currentUrl,
        urls: fullUrls
      });
      return;
    }
    
    // 预览单张图片
    if (currentFullUrl) {
      console.log('预览单张兽医图片:', [currentFullUrl]);
      wx.previewImage({
        current: currentFullUrl,
        urls: [currentFullUrl]
      });
    } else if (currentFileName) {
      const fullUrl = baseUrl + currentFileName;
      console.log('预览单张兽医图片(拼接后):', [fullUrl]);
      wx.previewImage({
        current: fullUrl,
        urls: [fullUrl]
      });
    } else {
      wx.showToast({
        title: '图片预览失败',
        icon: 'none'
      });
    }
  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow() {
    // 如果已经有数据，刷新列表
    if (this.data.diagnosisData && this.data.diagnosisData.formId) {
      this.loadDiagnosisData(this.data.diagnosisData.formId);
    }
  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload() {
    // 页面卸载时重置状态
    this.setData({
      submittingReply: false,
      isUploading: false
    });
  }
});