277 lines
8.0 KiB
Go
277 lines
8.0 KiB
Go
// Package api 提供统一的API接口层
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// 负责处理所有外部请求，包括HTTP和WebSocket接口
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// 将请求路由到相应的服务层进行处理
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package api
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import (
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"context"
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"fmt"
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"net/http"
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"strings"
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"time"
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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/config"
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"git.huangwc.com/pig/pig-farm-controller/internal/controller/device"
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"git.huangwc.com/pig/pig-farm-controller/internal/controller/feed"
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"git.huangwc.com/pig/pig-farm-controller/internal/controller/operation"
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"git.huangwc.com/pig/pig-farm-controller/internal/controller/remote"
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"git.huangwc.com/pig/pig-farm-controller/internal/controller/user"
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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/service"
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"git.huangwc.com/pig/pig-farm-controller/internal/storage/repository"
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"git.huangwc.com/pig/pig-farm-controller/internal/websocket"
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"github.com/gin-gonic/gin"
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)
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// API 代表API接口层的结构
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// 包含Gin引擎和HTTP服务器实例
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type API struct {
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// engine Gin引擎实例
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engine *gin.Engine
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// server HTTP服务器实例
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server *http.Server
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// config 应用配置
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config *config.Config
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// userController 用户控制器
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userController *user.Controller
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// operationController 操作历史控制器
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operationController *operation.Controller
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// deviceController 设备控制控制器
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deviceController *device.Controller
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// feedController 饲喂管理控制器
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feedController *feed.Controller
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// remoteController 远程控制控制器
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remoteController *remote.Controller
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// authMiddleware 鉴权中间件
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authMiddleware *middleware.AuthMiddleware
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// websocketManager WebSocket管理器
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websocketManager *websocket.Manager
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// heartbeatService 心跳服务
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heartbeatService *service.HeartbeatService
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// deviceStatusPool 设备状态池
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deviceStatusPool *service.DeviceStatusPool
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// logger 日志记录器
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logger *logs.Logger
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}
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// NewAPI 创建并返回一个新的API实例
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// 初始化Gin引擎和相关配置
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func NewAPI(cfg *config.Config,
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userRepo repository.UserRepo,
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operationHistoryRepo repository.OperationHistoryRepo,
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deviceControlRepo repository.DeviceControlRepo,
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deviceRepo repository.DeviceRepo,
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feedRepo repository.FeedPlanRepo,
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websocketManager *websocket.Manager,
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heartbeatService *service.HeartbeatService,
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deviceStatusPool *service.DeviceStatusPool,
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) *API {
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// 设置Gin为发布模式
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gin.SetMode(gin.DebugMode)
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// 创建Gin引擎实例
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engine := gin.New()
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// 添加日志和恢复中间件
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engine.Use(gin.LoggerWithFormatter(func(param gin.LogFormatterParams) string {
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return fmt.Sprintf("[API] %s - [%s] \"%s %s %s %d %s \"%s\" %s\"\n",
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param.ClientIP,
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time.Now().Format(time.RFC3339),
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param.Method,
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param.Path,
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param.Request.Proto,
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param.StatusCode,
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param.Latency,
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param.Request.UserAgent(),
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param.ErrorMessage,
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)
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}))
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engine.Use(gin.Recovery())
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// 创建用户控制器
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userController := user.NewController(userRepo)
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// 创建操作历史控制器
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operationController := operation.NewController(operationHistoryRepo)
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// 创建设备控制控制器
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deviceController := device.NewController(deviceControlRepo, deviceRepo, websocketManager, heartbeatService, deviceStatusPool)
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// 创建饲喂管理控制器
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feedController := feed.NewController(feedRepo)
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// 创建远程控制控制器
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remoteController := remote.NewController(websocketManager)
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// 创建鉴权中间件
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authMiddleware := middleware.NewAuthMiddleware(userRepo)
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return &API{
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engine: engine,
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config: cfg,
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userController: userController,
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operationController: operationController,
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deviceController: deviceController,
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feedController: feedController,
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remoteController: remoteController,
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authMiddleware: authMiddleware,
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websocketManager: websocketManager,
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heartbeatService: heartbeatService,
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deviceStatusPool: deviceStatusPool,
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logger: logs.NewLogger(),
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}
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}
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// Start 启动HTTP服务器
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func (a *API) Start() error {
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// 配置路由
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a.setupRoutes()
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// 创建HTTP服务器
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a.server = &http.Server{
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Addr: fmt.Sprintf("%s:%d", a.config.Server.Host, a.config.Server.Port),
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Handler: a.engine,
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// 添加服务器配置
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ReadTimeout: time.Duration(a.config.Server.ReadTimeout) * time.Second,
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WriteTimeout: time.Duration(a.config.Server.WriteTimeout) * time.Second,
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IdleTimeout: time.Duration(a.config.Server.IdleTimeout) * time.Second,
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}
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// 启动HTTP服务器
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a.logger.Info(fmt.Sprintf("正在启动HTTP服务器 %s:%d", a.config.Server.Host, a.config.Server.Port))
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go func() {
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if err := a.server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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a.logger.Error(fmt.Sprintf("HTTP服务器启动失败: %v", err))
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}
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}()
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return nil
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}
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// Stop 停止HTTP服务器
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func (a *API) Stop() error {
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a.logger.Info("正在停止HTTP服务器")
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// 创建一个5秒的超时上下文
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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// 优雅地关闭服务器
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if err := a.server.Shutdown(ctx); err != nil {
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a.logger.Error(fmt.Sprintf("HTTP服务器关闭错误: %v", err))
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return err
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}
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a.logger.Info("HTTP服务器已停止")
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return nil
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}
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// setupRoutes 配置路由
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func (a *API) setupRoutes() {
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// 基础路由示例
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a.engine.GET("/health", a.healthHandler)
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// WebSocket路由
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a.engine.GET("/ws/device", a.websocketManager.HandleConnection)
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// 用户相关路由
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userGroup := a.engine.Group("/api/v1/user")
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{
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userGroup.POST("/register", a.userController.Register)
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userGroup.POST("/login", a.userController.Login)
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}
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// 配置静态文件服务
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a.engine.Static("/assets/", "./frontend/dist/assets/")
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// 使用NoRoute处理器处理前端路由
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a.engine.NoRoute(func(c *gin.Context) {
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path := c.Request.URL.Path
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// 判断是否为API路径
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if strings.HasPrefix(path, "/api/") || strings.HasPrefix(path, "/ws/") || path == "/health" {
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// API路径返回404
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c.JSON(http.StatusNotFound, gin.H{
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"error": "API路径未找到",
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})
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return
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}
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// 对于前端路由，提供index.html（支持Vue Router的history模式）
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c.File("./frontend/dist/index.html")
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})
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// 需要鉴权的路由组
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protectedGroup := a.engine.Group("/api/v1")
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protectedGroup.Use(a.authMiddleware.Handle())
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{
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// 操作历史相关路由
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operationGroup := protectedGroup.Group("/operation")
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{
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operationGroup.POST("/", a.operationController.Create)
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operationGroup.GET("/list", a.operationController.ListByUser)
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operationGroup.GET("/:id", a.operationController.Get)
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}
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// 设备控制相关路由
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deviceGroup := protectedGroup.Group("/device")
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{
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deviceGroup.POST("/switch", a.deviceController.Switch)
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deviceGroup.GET("/list", a.deviceController.List)
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deviceGroup.POST("/create", a.deviceController.Create)
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deviceGroup.POST("/update", a.deviceController.Update)
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deviceGroup.POST("/delete", a.deviceController.Delete)
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deviceGroup.GET("/status", a.deviceController.GetDeviceStatus)
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}
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// 饲喂相关路由
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feedGroup := protectedGroup.Group("/feed")
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{
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feedGroup.GET("/plan/list", a.feedController.ListPlans)
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feedGroup.GET("/plan/detail", a.feedController.Detail)
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feedGroup.POST("/plan/create", a.feedController.Create)
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feedGroup.POST("/plan/update", a.feedController.Update)
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feedGroup.POST("/plan/delete", a.feedController.Delete)
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}
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// 远程控制相关路由
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remoteGroup := protectedGroup.Group("/remote")
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{
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remoteGroup.POST("/command", a.remoteController.SendCommand)
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remoteGroup.GET("/devices", a.remoteController.ListConnectedDevices)
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}
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}
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// TODO: 添加更多路由
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}
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// healthHandler 健康检查处理函数
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// @Summary 健康检查
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// @Description 检查API服务是否正常运行
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// @Tags health
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// @Accept json
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// @Produce json
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// @Success 200 {object} map[string]interface{}
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// @Router /health [get]
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func (a *API) healthHandler(c *gin.Context) {
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c.JSON(http.StatusOK, gin.H{
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"status": "ok",
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"message": "猪场控制器API正在运行",
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})
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}
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