439 lines
13 KiB
Go
439 lines
13 KiB
Go
// Package device 提供设备控制相关功能的控制器
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// 实现设备控制、查询等操作
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package device
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import (
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"encoding/json"
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"strconv"
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"git.huangwc.com/pig/pig-farm-controller/internal/api/middleware"
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"git.huangwc.com/pig/pig-farm-controller/internal/controller"
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"git.huangwc.com/pig/pig-farm-controller/internal/logs"
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"git.huangwc.com/pig/pig-farm-controller/internal/model"
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"git.huangwc.com/pig/pig-farm-controller/internal/service"
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"git.huangwc.com/pig/pig-farm-controller/internal/storage/repository"
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"github.com/gin-gonic/gin"
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)
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// ListResponse 设备列表响应结构体
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type ListResponse struct {
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Devices []model.Device `json:"devices"`
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}
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// DeviceRequest 设备创建/更新请求结构体
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type DeviceRequest struct {
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Name string `json:"name" binding:"required"` // 设备名称，必填
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Type model.DeviceType `json:"type" binding:"required"` // 设备类型，必填
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ParentID *uint `json:"parent_id,omitempty"` // 父设备ID，可选
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Address *string `json:"address,omitempty"` // 设备地址，可选
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// 485总线设备的额外字段
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BusNumber *int `json:"bus_number,omitempty"` // 485总线号
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DeviceAddress *string `json:"device_address,omitempty"` // 485设备地址
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}
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// BindAndValidate 绑定并验证请求数据
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func (req *DeviceRequest) BindAndValidate(data []byte) error {
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// 创建一个map来解析原始JSON
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raw := make(map[string]interface{})
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if err := json.Unmarshal(data, &raw); err != nil {
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return err
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}
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// 解析已知字段
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if name, ok := raw["name"].(string); ok {
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req.Name = name
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}
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if typ, ok := raw["type"].(string); ok {
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req.Type = model.DeviceType(typ)
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}
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// 特殊处理parent_id字段
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if parentIDVal, exists := raw["parent_id"]; exists && parentIDVal != nil {
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switch v := parentIDVal.(type) {
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case float64:
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// JSON数字默认是float64类型
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if v >= 0 {
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parentID := uint(v)
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req.ParentID = &parentID
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}
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case string:
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// 如果是字符串，尝试转换为uint
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if v != "" && v != "null" {
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if parentID, err := strconv.ParseUint(v, 10, 32); err == nil {
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parentIDUint := uint(parentID)
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req.ParentID = &parentIDUint
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}
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}
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}
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}
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// 特殊处理address字段
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if addressVal, exists := raw["address"]; exists && addressVal != nil {
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switch v := addressVal.(type) {
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case string:
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// 如果是字符串，直接赋值
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if v != "" {
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req.Address = &v
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}
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}
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}
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// 特殊处理bus_number字段
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if busNumberVal, exists := raw["bus_number"]; exists && busNumberVal != nil {
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switch v := busNumberVal.(type) {
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case float64:
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// JSON数字默认是float64类型
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busNumber := int(v)
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req.BusNumber = &busNumber
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case string:
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// 如果是字符串，尝试转换为int
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if v != "" && v != "null" {
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if busNumber, err := strconv.Atoi(v); err == nil {
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req.BusNumber = &busNumber
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}
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}
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}
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}
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// 特殊处理device_address字段
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if deviceAddressVal, exists := raw["device_address"]; exists && deviceAddressVal != nil {
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switch v := deviceAddressVal.(type) {
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case string:
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// 如果是字符串，直接赋值
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if v != "" {
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req.DeviceAddress = &v
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}
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}
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}
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return nil
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}
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// Controller 设备控制控制器
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type Controller struct {
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deviceControlRepo repository.DeviceControlRepo
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deviceRepo repository.DeviceRepo
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websocketService *service.WebSocketService
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logger *logs.Logger
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}
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// NewController 创建设备控制控制器实例
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func NewController(deviceControlRepo repository.DeviceControlRepo, deviceRepo repository.DeviceRepo, websocketService *service.WebSocketService) *Controller {
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return &Controller{
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deviceControlRepo: deviceControlRepo,
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deviceRepo: deviceRepo,
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websocketService: websocketService,
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logger: logs.NewLogger(),
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}
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}
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// List 获取设备列表
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func (c *Controller) List(ctx *gin.Context) {
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devices, err := c.deviceRepo.ListAll()
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if err != nil {
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c.logger.Error("获取设备列表失败: " + err.Error())
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controller.SendErrorResponse(ctx, controller.InternalServerErrorCode, "获取设备列表失败")
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return
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}
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controller.SendSuccessResponse(ctx, "获取设备列表成功", ListResponse{Devices: devices})
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}
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// Create 创建设备
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func (c *Controller) Create(ctx *gin.Context) {
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var req DeviceRequest
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// 直接使用绑定和验证方法处理JSON数据
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rawData, err := ctx.GetRawData()
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if err != nil {
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controller.SendErrorResponse(ctx, controller.InvalidParameterCode, "无法读取请求数据: "+err.Error())
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return
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}
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if err := req.BindAndValidate(rawData); err != nil {
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controller.SendErrorResponse(ctx, controller.InvalidParameterCode, "请求参数错误: "+err.Error())
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return
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}
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device := &model.Device{
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Name: req.Name,
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Type: req.Type,
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ParentID: req.ParentID,
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Address: req.Address,
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}
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// 如果是485总线设备且提供了总线号和设备地址，则合并为一个地址
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if (req.Type == model.DeviceTypeFan || req.Type == model.DeviceTypeWaterCurtain) &&
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req.BusNumber != nil && req.DeviceAddress != nil {
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device.Set485Address(*req.BusNumber, *req.DeviceAddress)
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}
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if err := c.deviceRepo.Create(device); err != nil {
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c.logger.Error("创建设备失败: " + err.Error())
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controller.SendErrorResponse(ctx, controller.InternalServerErrorCode, "创建设备失败")
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return
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}
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controller.SendSuccessResponse(ctx, "创建设备成功", device)
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}
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// Update 更新设备
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func (c *Controller) Update(ctx *gin.Context) {
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var req struct {
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ID uint `json:"id" binding:"required"`
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DeviceRequest
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}
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// 直接使用绑定和验证方法处理JSON数据
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rawData, err := ctx.GetRawData()
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if err != nil {
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controller.SendErrorResponse(ctx, controller.InvalidParameterCode, "无法读取请求数据: "+err.Error())
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return
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}
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// 先解析ID
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var raw map[string]interface{}
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if json.Unmarshal(rawData, &raw) == nil {
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if idVal, ok := raw["id"]; ok {
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switch id := idVal.(type) {
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case float64:
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req.ID = uint(id)
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case string:
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if idUint, err := strconv.ParseUint(id, 10, 32); err == nil {
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req.ID = uint(idUint)
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}
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}
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}
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}
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// 再解析DeviceRequest部分
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if err := req.DeviceRequest.BindAndValidate(rawData); err != nil {
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controller.SendErrorResponse(ctx, controller.InvalidParameterCode, "请求参数错误: "+err.Error())
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return
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}
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device, err := c.deviceRepo.FindByID(req.ID)
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if err != nil {
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c.logger.Error("查找设备失败: " + err.Error())
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controller.SendErrorResponse(ctx, controller.NotFoundCode, "设备不存在")
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return
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}
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device.Name = req.Name
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device.Type = req.Type
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device.ParentID = req.ParentID
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device.Address = req.Address
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// 如果是485总线设备且提供了总线号和设备地址，则合并为一个地址
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if (req.Type == model.DeviceTypeFan || req.Type == model.DeviceTypeWaterCurtain) &&
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req.BusNumber != nil && req.DeviceAddress != nil {
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device.Set485Address(*req.BusNumber, *req.DeviceAddress)
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}
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// TODO: 设备状态应该由系统自动获取，而不是由用户指定
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// 这里保持设备原有状态，后续需要实现自动状态检测
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// 设备状态现在只在内存中维护，不持久化到数据库
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if err := c.deviceRepo.Update(device); err != nil {
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c.logger.Error("更新设备失败: " + err.Error())
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controller.SendErrorResponse(ctx, controller.InternalServerErrorCode, "更新设备失败")
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return
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}
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controller.SendSuccessResponse(ctx, "更新设备成功", device)
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}
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// Delete 删除设备
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func (c *Controller) Delete(ctx *gin.Context) {
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var req struct {
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ID uint `json:"id" binding:"required"`
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}
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if err := ctx.ShouldBindJSON(&req); err != nil {
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controller.SendErrorResponse(ctx, controller.InvalidParameterCode, "请求参数错误: "+err.Error())
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return
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}
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// 先检查设备是否存在
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_, err := c.deviceRepo.FindByID(req.ID)
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if err != nil {
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c.logger.Error("查找设备失败: " + err.Error())
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controller.SendErrorResponse(ctx, controller.NotFoundCode, "设备不存在")
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return
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}
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if err := c.deviceRepo.Delete(req.ID); err != nil {
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c.logger.Error("删除设备失败: " + err.Error())
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controller.SendErrorResponse(ctx, controller.InternalServerErrorCode, "删除设备失败")
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return
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}
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controller.SendSuccessResponse(ctx, "删除设备成功", nil)
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}
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// SwitchRequest 设备控制请求结构体
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type SwitchRequest struct {
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ParentID *uint `json:"parent_id"` // 区域主控ID
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DeviceType string `json:"device_type" binding:"required,oneof=fan water_curtain"`
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DeviceID string `json:"device_id" binding:"required"`
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Action string `json:"action" binding:"required,oneof=on off"`
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}
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// SwitchResponseData 设备控制响应数据结构体
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type SwitchResponseData struct {
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DeviceType string `json:"device_type"`
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DeviceID string `json:"device_id"`
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Action string `json:"action"`
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Status string `json:"status"` // 添加状态字段
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Message string `json:"message"` // 添加消息字段
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}
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// RelayControlData 发送给中继设备的控制数据结构体
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type RelayControlData struct {
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DeviceType string `json:"device_type"`
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DeviceID string `json:"device_id"`
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Action string `json:"action"`
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}
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// RelayControlResponseData 中继设备控制响应数据结构体
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type RelayControlResponseData struct {
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Status string `json:"status"`
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Message string `json:"message"`
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}
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// Switch 设备控制接口
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func (c *Controller) Switch(ctx *gin.Context) {
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// 从上下文中获取用户信息
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userValue, exists := ctx.Get("user")
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if !exists {
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controller.SendErrorResponse(ctx, controller.UnauthorizedCode, "无法获取用户信息")
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return
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}
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user, ok := userValue.(*middleware.AuthUser)
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if !ok {
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controller.SendErrorResponse(ctx, controller.InternalServerErrorCode, "用户信息格式错误")
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return
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}
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var req SwitchRequest
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if err := ctx.ShouldBindJSON(&req); err != nil {
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controller.SendErrorResponse(ctx, controller.InvalidParameterCode, "请求参数错误")
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return
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}
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// 通过WebSocket向中继设备发送控制指令
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controlData := RelayControlData{
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DeviceType: req.DeviceType,
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DeviceID: req.DeviceID,
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Action: req.Action,
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}
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// 发送指令并等待响应
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response, err := c.websocketService.SendCommandAndWait("relay-001", "control_device", controlData, 0)
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if err != nil {
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c.logger.Error("通过WebSocket发送设备控制指令失败: " + err.Error())
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controller.SendErrorResponse(ctx, controller.InternalServerErrorCode, "设备控制失败: "+err.Error())
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return
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}
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// 解析响应数据
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status := "解析失败"
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message := "消息解析失败"
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var responseData RelayControlResponseData
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if err := response.ParseData(&responseData); err == nil {
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status = responseData.Status
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message = responseData.Message
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}
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// 创建设备控制记录
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if err := c.createDeviceControlRecord(
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user.ID,
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req.DeviceID,
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req.DeviceType,
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req.Action,
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status,
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message,
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); err != nil {
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c.logger.Error("创建设备控制记录失败: " + err.Error())
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controller.SendErrorResponse(ctx, controller.InternalServerErrorCode, "记录控制历史失败")
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return
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}
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data := SwitchResponseData{
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DeviceType: req.DeviceType,
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DeviceID: req.DeviceID,
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Action: req.Action,
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Status: status,
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Message: message,
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}
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controller.SendSuccessResponse(ctx, "设备控制成功", data)
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}
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// createDeviceControlRecord 创建设备控制记录
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func (c *Controller) createDeviceControlRecord(userID uint, deviceID, deviceType, action, status, result string) error {
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// 获取设备信息
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device, err := c.deviceRepo.FindByIDString(deviceID)
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if err != nil {
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return err
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}
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// 构建位置信息
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var location string
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switch device.Type {
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case model.DeviceTypeRelay:
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// 如果设备本身就是中继设备
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location = device.Name
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case model.DeviceTypePigPenController, model.DeviceTypeFeedMillController:
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// 如果设备本身就是区域主控设备
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if device.ParentID != nil {
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// 获取中继设备
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relayDevice, err := c.deviceRepo.FindByID(*device.ParentID)
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if err != nil {
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location = device.Name
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} else {
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location = relayDevice.Name + " -> " + device.Name
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}
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} else {
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location = device.Name
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}
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default:
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// 如果是普通设备（风机、水帘等）
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if device.ParentID != nil {
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// 获取区域主控设备
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parentDevice, err := c.deviceRepo.FindByID(*device.ParentID)
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if err != nil {
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location = "未知区域"
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} else {
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// 检查区域主控设备是否有上级设备（中继设备）
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if parentDevice.ParentID != nil {
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// 获取中继设备
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relayDevice, err := c.deviceRepo.FindByID(*parentDevice.ParentID)
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if err != nil {
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location = parentDevice.Name
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} else {
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location = relayDevice.Name + " -> " + parentDevice.Name
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}
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} else {
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location = parentDevice.Name
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}
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}
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} else {
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location = "未知区域"
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}
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}
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control := &model.DeviceControl{
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UserID: userID,
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Location: location,
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DeviceType: model.DeviceType(deviceType),
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DeviceID: deviceID,
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Action: action,
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Status: status,
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Result: result,
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}
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return c.deviceControlRepo.Create(control)
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}
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