299 lines
9.0 KiB
Go
299 lines
9.0 KiB
Go
package server
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import (
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"fmt"
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"log"
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"net/http"
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"os"
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"st
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"strconv"
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"os"
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"weatherstation/internal/config"
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"weatherstation/internal/database"
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"weatherstation/pkg/types"
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"github.com/gin-gonic/gin"
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)
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// StartGinServer 启动Gin Web服务器
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func StartGinServer() error {
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// 设置Gin模式
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gin.SetMode(gin.ReleaseMode)
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// 创建Gin引擎
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r := gin.Default()
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// 加载HTML模板
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r.LoadHTMLGlob("templates/*")
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// 静态文件服务
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r.Static("/static", "./static")
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// 前端SPA（Angular）静态资源与路由回退
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// 构建产物目录：./core/frontend/dist/ui
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r.GET("/ui/*filepath", func(c *gin.Context) {
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// 物理文件优先，否则回退到 index.html（支持前端路由）
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requested := c.Param("filepath")
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if requested == "" || requested == "/" {
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c.File("./core/frontend/dist/ui/index.html")
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return
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}
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full := ".//core/frontend/dist/ui" + requested
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if _, err := os.Stat(full); err == nil {
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c.File(full)
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return
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}
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c.File("./core/frontend/dist/ui/index.html")
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})
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// 路由设置
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r.GET("/", indexHandler)
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r.GET("/radar/nanning", radarNanningHandler)
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r.GET("/radar/guangzhou", radarGuangzhouHandler)
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r.GET("/radar/panyu", radarPanyuHandler)
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r.GET("/radar/haizhu", radarHaizhuHandler)
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r.GET("/radar/imdroid", imdroidRadarHandler)
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// API路由组
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api := r.Group("/api")
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{
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api.GET("/system/status", systemStatusHandler)
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api.GET("/stations", getStationsHandler)
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api.GET("/data", getDataHandler)
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api.GET("/forecast", getForecastHandler)
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api.GET("/radar/latest", latestRadarTileHandler)
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api.GET("/radar/at", radarTileAtHandler)
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api.GET("/radar/nearest", nearestRadarTileHandler)
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api.GET("/radar/times", radarTileTimesHandler)
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api.GET("/radar/weather_latest", latestRadarWeatherHandler)
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api.GET("/radar/weather_at", radarWeatherAtHandler)
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api.GET("/radar/weather_aliases", radarWeatherAliasesHandler)
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api.GET("/radar/aliases", radarConfigAliasesHandler)
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api.GET("/radar/weather_nearest", radarWeatherNearestHandler)
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// Rain CMPA hourly tiles
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api.GET("/rain/latest", latestRainTileHandler)
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api.GET("/rain/at", rainTileAtHandler)
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api.GET("/rain/nearest", nearestRainTileHandler)
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api.GET("/rain/times", rainTileTimesHandler)
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}
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// 获取配置的Web端口
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port := config.GetConfig().Server.WebPort
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if port == 0 {
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port = 10003 // 默认端口
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}
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// 启动服务器
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fmt.Printf("Gin Web服务器启动，监听端口 %d...\n", port)
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return r.Run(fmt.Sprintf(":%d", port))
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}
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// indexHandler 处理主页请求
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func indexHandler(c *gin.Context) {
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data := types.PageData{
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Title: "英卓气象站",
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ServerTime: time.Now().Format("2006-01-02 15:04:05"),
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OnlineDevices: database.GetOnlineDevicesCount(database.GetDB()),
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TiandituKey: "0c260b8a094a4e0bc507808812cefdac",
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}
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c.HTML(http.StatusOK, "index.html", data)
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}
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// radarNanningHandler 南宁雷达站占位页
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func radarNanningHandler(c *gin.Context) {
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data := types.PageData{
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Title: "雷达页面",
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ServerTime: time.Now().Format("2006-01-02 15:04:05"),
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OnlineDevices: database.GetOnlineDevicesCount(database.GetDB()),
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TiandituKey: "0c260b8a094a4e0bc507808812cefdac",
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}
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c.HTML(http.StatusOK, "imdroid_radar.html", data)
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}
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// radarGuangzhouHandler 广州雷达站占位页
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func radarGuangzhouHandler(c *gin.Context) {
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data := types.PageData{
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Title: "雷达页面",
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ServerTime: time.Now().Format("2006-01-02 15:04:05"),
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OnlineDevices: database.GetOnlineDevicesCount(database.GetDB()),
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TiandituKey: "0c260b8a094a4e0bc507808812cefdac",
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}
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c.HTML(http.StatusOK, "imdroid_radar.html", data)
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}
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// radarHaizhuHandler 海珠雷达站占位页
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func radarHaizhuHandler(c *gin.Context) {
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data := types.PageData{
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Title: "雷达页面",
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ServerTime: time.Now().Format("2006-01-02 15:04:05"),
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OnlineDevices: database.GetOnlineDevicesCount(database.GetDB()),
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TiandituKey: "0c260b8a094a4e0bc507808812cefdac",
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}
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c.HTML(http.StatusOK, "imdroid_radar.html", data)
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}
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// radarPanyuHandler 番禺雷达站占位页
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func radarPanyuHandler(c *gin.Context) {
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data := types.PageData{
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Title: "雷达页面",
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ServerTime: time.Now().Format("2006-01-02 15:04:05"),
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OnlineDevices: database.GetOnlineDevicesCount(database.GetDB()),
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TiandituKey: "0c260b8a094a4e0bc507808812cefdac",
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}
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c.HTML(http.StatusOK, "imdroid_radar.html", data)
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}
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func imdroidRadarHandler(c *gin.Context) {
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data := types.PageData{
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Title: "英卓雷达站",
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ServerTime: time.Now().Format("2006-01-02 15:04:05"),
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OnlineDevices: database.GetOnlineDevicesCount(database.GetDB()),
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TiandituKey: "0c260b8a094a4e0bc507808812cefdac",
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}
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c.HTML(http.StatusOK, "imdroid_radar.html", data)
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}
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// systemStatusHandler 处理系统状态API请求
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func systemStatusHandler(c *gin.Context) {
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status := types.SystemStatus{
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OnlineDevices: database.GetOnlineDevicesCount(database.GetDB()),
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ServerTime: time.Now().Format("2006-01-02 15:04:05"),
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}
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c.JSON(http.StatusOK, status)
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}
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// getStationsHandler 处理获取站点列表API请求
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func getStationsHandler(c *gin.Context) {
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stations, err := database.GetStations(database.GetDB())
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": "查询站点失败"})
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return
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}
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// 为每个站点计算十进制ID
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for i := range stations {
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if len(stations[i].StationID) > 6 {
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hexID := stations[i].StationID[len(stations[i].StationID)-6:]
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if decimalID, err := strconv.ParseInt(hexID, 16, 64); err == nil {
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stations[i].DecimalID = strconv.FormatInt(decimalID, 10)
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}
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}
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}
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c.JSON(http.StatusOK, stations)
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}
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// getDataHandler 处理获取历史数据API请求
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func getDataHandler(c *gin.Context) {
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// 获取查询参数
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decimalID := c.Query("decimal_id")
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startTime := c.Query("start_time")
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endTime := c.Query("end_time")
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interval := c.Query("interval")
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// 将十进制ID转换为十六进制（补足6位）
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decimalNum, err := strconv.ParseInt(decimalID, 10, 64)
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "无效的站点编号"})
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return
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}
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hexID := fmt.Sprintf("%06X", decimalNum)
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stationID := fmt.Sprintf("RS485-%s", hexID)
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// 解析时间（按本地CST解析，避免被当作UTC）
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loc, _ := time.LoadLocation("Asia/Shanghai")
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if loc == nil {
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loc = time.FixedZone("CST", 8*3600)
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}
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start, err := time.ParseInLocation("2006-01-02 15:04:05", startTime, loc)
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "无效的开始时间"})
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return
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}
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end, err := time.ParseInLocation("2006-01-02 15:04:05", endTime, loc)
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "无效的结束时间"})
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return
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}
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// 获取数据（改为基于10分钟聚合表的再聚合）
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var points []types.WeatherPoint
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if interval == "raw" {
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points, err = database.GetSeriesRaw(database.GetDB(), stationID, start, end)
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} else {
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points, err = database.GetSeriesFrom10Min(database.GetDB(), stationID, start, end, interval)
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}
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if err != nil {
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log.Printf("查询数据失败: %v", err) // 记录具体错误到服务端日志
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c.JSON(http.StatusInternalServerError, gin.H{
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"error": fmt.Sprintf("查询数据失败: %v", err),
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})
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return
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}
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c.JSON(http.StatusOK, points)
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}
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// getForecastHandler 处理获取预报数据API请求
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func getForecastHandler(c *gin.Context) {
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// 获取查询参数
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stationID := c.Query("station_id")
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startTime := c.Query("from")
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endTime := c.Query("to")
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provider := c.Query("provider")
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versionsStr := c.DefaultQuery("versions", "1")
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versions, _ := strconv.Atoi(versionsStr)
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if versions <= 0 {
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versions = 1
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}
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if stationID == "" {
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c.JSON(http.StatusBadRequest, gin.H{"error": "缺少station_id参数"})
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return
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}
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// 如果没有提供时间范围，则默认查询未来3小时
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loc, _ := time.LoadLocation("Asia/Shanghai")
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if loc == nil {
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loc = time.FixedZone("CST", 8*3600)
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}
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var start, end time.Time
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var err error
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if startTime == "" || endTime == "" {
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// 默认查询未来3小时
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now := time.Now().In(loc)
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start = now.Truncate(time.Hour).Add(1 * time.Hour) // 下一个整点开始
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end = start.Add(3 * time.Hour) // 未来3小时
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} else {
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// 解析用户提供的时间
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start, err = time.ParseInLocation("2006-01-02 15:04:05", startTime, loc)
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "无效的开始时间格式"})
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return
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}
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end, err = time.ParseInLocation("2006-01-02 15:04:05", endTime, loc)
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "无效的结束时间格式"})
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return
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}
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}
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// 获取预报数据
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log.Printf("查询预报数据: stationID=%s, provider=%s, versions=%d, start=%s, end=%s", stationID, provider, versions, start.Format("2006-01-02 15:04:05"), end.Format("2006-01-02 15:04:05"))
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points, err := database.GetForecastData(database.GetDB(), stationID, start, end, provider, versions)
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if err != nil {
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log.Printf("查询预报数据失败: %v", err)
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c.JSON(http.StatusInternalServerError, gin.H{
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"error": fmt.Sprintf("查询预报数据失败: %v", err),
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})
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return
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}
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log.Printf("查询到预报数据: %d 条", len(points))
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c.JSON(http.StatusOK, points)
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}
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