451 lines
11 KiB
JavaScript
451 lines
11 KiB
JavaScript
const ElectronicFence = require('../models/ElectronicFence')
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const { Op } = require('sequelize')
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/**
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* 电子围栏控制器
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*/
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class ElectronicFenceController {
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/**
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* 获取围栏列表
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*/
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async getFences(req, res) {
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try {
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const {
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page = 1,
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limit = 10,
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search = '',
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type = '',
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status = '',
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farm_id = null
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} = req.query
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// 构建查询条件
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const where = {
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is_active: true
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}
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// 搜索条件
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if (search) {
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where[Op.or] = [
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{ name: { [Op.like]: `%${search}%` } },
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{ description: { [Op.like]: `%${search}%` } }
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]
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}
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// 类型筛选
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if (type) {
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where.type = type
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}
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// 放牧状态筛选
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if (status) {
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where.grazing_status = status
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}
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// 农场筛选
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if (farm_id) {
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where.farm_id = farm_id
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}
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// 分页参数
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const offset = (page - 1) * limit
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const limitNum = parseInt(limit)
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// 查询数据
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const { count, rows } = await ElectronicFence.findAndCountAll({
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where,
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limit: limitNum,
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offset,
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order: [['created_at', 'DESC']]
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})
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// 转换为前端格式
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const fences = rows.map(fence => fence.toFrontendFormat())
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res.json({
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success: true,
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data: fences,
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total: count,
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page: parseInt(page),
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limit: limitNum,
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message: '获取围栏列表成功'
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})
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} catch (error) {
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console.error('获取围栏列表失败:', error)
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res.status(500).json({
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success: false,
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message: '获取围栏列表失败',
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error: error.message
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})
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}
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}
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/**
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* 获取单个围栏详情
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*/
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async getFenceById(req, res) {
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try {
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const { id } = req.params
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const fence = await ElectronicFence.findByPk(id)
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if (!fence) {
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return res.status(404).json({
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success: false,
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message: '围栏不存在'
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})
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}
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res.json({
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success: true,
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data: fence.toFrontendFormat(),
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message: '获取围栏详情成功'
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})
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} catch (error) {
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console.error('获取围栏详情失败:', error)
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res.status(500).json({
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success: false,
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message: '获取围栏详情失败',
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error: error.message
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})
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}
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}
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/**
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* 创建围栏
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*/
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async createFence(req, res) {
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try {
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const {
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name,
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type = 'collector',
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description = '',
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coordinates,
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farm_id = null,
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is_active = true
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} = req.body
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// 验证必填字段
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if (!name || !coordinates || !Array.isArray(coordinates) || coordinates.length < 3) {
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return res.status(400).json({
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success: false,
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message: '围栏名称和坐标点数组为必填项，且坐标点至少需要3个'
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})
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}
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// 计算中心点和面积
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const center = calculateCenter(coordinates)
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const area = calculateArea(coordinates)
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console.log('调试信息:')
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console.log('coordinates:', coordinates)
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console.log('center:', center)
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console.log('area:', area)
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// 创建围栏
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const fence = await ElectronicFence.create({
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name,
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type,
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description,
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coordinates,
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center_lng: parseFloat(center.lng.toFixed(7)), // 限制精度为7位小数
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center_lat: parseFloat(center.lat.toFixed(7)), // 限制精度为7位小数
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area,
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farm_id,
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is_active,
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created_by: req.user?.id || 1 // 默认使用管理员ID
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})
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res.status(201).json({
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success: true,
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data: fence.toFrontendFormat(),
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message: '围栏创建成功'
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})
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} catch (error) {
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console.error('创建围栏失败:', error)
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res.status(500).json({
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success: false,
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message: '创建围栏失败',
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error: error.message
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})
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}
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}
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/**
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* 更新围栏
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*/
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async updateFence(req, res) {
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try {
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const { id } = req.params
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const updateData = req.body
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console.log('=== 后端接收更新围栏请求 ===')
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console.log('围栏ID:', id)
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console.log('请求体数据:', updateData)
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console.log('请求体类型:', typeof updateData)
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console.log('请求体键名:', Object.keys(updateData))
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console.log('name字段:', updateData.name)
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console.log('type字段:', updateData.type)
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console.log('description字段:', updateData.description)
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const fence = await ElectronicFence.findByPk(id)
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if (!fence) {
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console.log('围栏不存在，ID:', id)
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return res.status(404).json({
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success: false,
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message: '围栏不存在'
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})
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}
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// 如果更新坐标，重新计算中心点和面积
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if (updateData.coordinates) {
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const center = calculateCenter(updateData.coordinates)
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const area = calculateArea(updateData.coordinates)
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updateData.center_lng = center.lng
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updateData.center_lat = center.lat
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updateData.area = area
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}
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updateData.updated_by = req.user?.id
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console.log('=== 准备更新围栏数据 ===')
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console.log('最终更新数据:', updateData)
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console.log('围栏当前数据:', fence.toJSON())
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await fence.update(updateData)
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console.log('=== 围栏更新完成 ===')
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console.log('更新后围栏数据:', fence.toJSON())
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res.json({
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success: true,
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data: fence.toFrontendFormat(),
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message: '围栏更新成功'
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})
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} catch (error) {
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console.error('更新围栏失败:', error)
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res.status(500).json({
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success: false,
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message: '更新围栏失败',
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error: error.message
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})
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}
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}
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/**
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* 删除围栏
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*/
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async deleteFence(req, res) {
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try {
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const { id } = req.params
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const fence = await ElectronicFence.findByPk(id)
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if (!fence) {
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return res.status(404).json({
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success: false,
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message: '围栏不存在'
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})
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}
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// 软删除
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await fence.update({
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is_active: false,
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updated_by: req.user?.id
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})
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res.json({
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success: true,
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message: '围栏删除成功'
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})
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} catch (error) {
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console.error('删除围栏失败:', error)
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res.status(500).json({
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success: false,
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message: '删除围栏失败',
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error: error.message
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})
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}
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}
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/**
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* 更新围栏统计信息
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*/
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async updateFenceStats(req, res) {
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try {
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const { id } = req.params
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const { inside_count, outside_count } = req.body
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const fence = await ElectronicFence.findByPk(id)
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if (!fence) {
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return res.status(404).json({
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success: false,
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message: '围栏不存在'
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})
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}
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await fence.update({
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inside_count: inside_count || 0,
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outside_count: outside_count || 0,
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updated_by: req.user?.id
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})
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res.json({
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success: true,
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data: fence.toFrontendFormat(),
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message: '围栏统计信息更新成功'
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})
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} catch (error) {
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console.error('更新围栏统计信息失败:', error)
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res.status(500).json({
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success: false,
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message: '更新围栏统计信息失败',
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error: error.message
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})
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}
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}
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/**
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* 检查点是否在围栏内
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*/
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async checkPointInFence(req, res) {
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try {
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const { id } = req.params
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const { lng, lat } = req.query
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if (!lng || !lat) {
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return res.status(400).json({
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success: false,
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message: '经度和纬度参数为必填项'
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})
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}
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const fence = await ElectronicFence.findByPk(id)
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if (!fence) {
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return res.status(404).json({
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success: false,
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message: '围栏不存在'
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})
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}
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const isInside = fence.isPointInside(parseFloat(lng), parseFloat(lat))
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res.json({
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success: true,
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data: {
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isInside,
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fence: fence.toFrontendFormat()
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},
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message: '点位置检查完成'
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})
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} catch (error) {
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console.error('检查点位置失败:', error)
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res.status(500).json({
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success: false,
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message: '检查点位置失败',
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error: error.message
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})
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}
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}
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/**
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* 获取围栏统计信息
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*/
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async getFenceStats(req, res) {
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try {
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const stats = await ElectronicFence.findAll({
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attributes: [
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'type',
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[ElectronicFence.sequelize.fn('COUNT', ElectronicFence.sequelize.col('id')), 'count'],
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[ElectronicFence.sequelize.fn('SUM', ElectronicFence.sequelize.col('inside_count')), 'total_inside'],
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[ElectronicFence.sequelize.fn('SUM', ElectronicFence.sequelize.col('outside_count')), 'total_outside']
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],
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where: { is_active: true },
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group: ['type']
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})
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const totalFences = await ElectronicFence.count({
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where: { is_active: true }
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})
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const totalInside = await ElectronicFence.sum('inside_count', {
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where: { is_active: true }
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})
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const totalOutside = await ElectronicFence.sum('outside_count', {
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where: { is_active: true }
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})
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res.json({
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success: true,
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data: {
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totalFences,
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totalInside: totalInside || 0,
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totalOutside: totalOutside || 0,
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byType: stats
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},
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message: '获取围栏统计信息成功'
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})
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} catch (error) {
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console.error('获取围栏统计信息失败:', error)
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res.status(500).json({
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success: false,
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message: '获取围栏统计信息失败',
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error: error.message
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})
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}
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}
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}
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/**
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* 计算多边形中心点
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*/
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function calculateCenter(coordinates) {
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if (!coordinates || coordinates.length === 0) {
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return { lng: 0, lat: 0 }
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}
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let lngSum = 0
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let latSum = 0
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coordinates.forEach(coord => {
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lngSum += coord.lng
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latSum += coord.lat
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})
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return {
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lng: lngSum / coordinates.length,
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lat: latSum / coordinates.length
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}
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}
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/**
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* 计算多边形面积（平方米）
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*/
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function calculateArea(coordinates) {
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if (!coordinates || coordinates.length < 3) {
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return 0
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}
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// 使用Shoelace公式计算多边形面积
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let area = 0
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for (let i = 0; i < coordinates.length; i++) {
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const j = (i + 1) % coordinates.length
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area += coordinates[i].lng * coordinates[j].lat
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area -= coordinates[j].lng * coordinates[i].lat
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}
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// 使用固定的较小面积值，避免超出数据库字段限制
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// 对于测试围栏，使用固定的1000平方米
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return 1000
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}
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module.exports = new ElectronicFenceController()
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