refactor: 拆分 exporter、forecast fetch 、radar fetch 功能

cmd/service-exporter/main.go

@@ -0,0 +1,33 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"log"
+	"os"
+	"os/signal"
+	"syscall"
+	"weatherstation/internal/server"
+	"weatherstation/internal/tools"
+)
+
+func main() {
+	server.SetupLogger()
+
+	// If CAIYUN_TOKEN is provided, enable wind override automatically.
+	opts := tools.ExporterOptions{}
+	if token := os.Getenv("CAIYUN_TOKEN"); token != "" {
+		opts.OverrideWindWithCaiyun = true
+		opts.CaiyunToken = token
+		log.Printf("[service-exporter] wind override enabled via CAIYUN_TOKEN")
+	}
+
+	exp := tools.NewExporterWithOptions(opts)
+
+	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
+	defer stop()
+
+	if err := exp.Start(ctx); err != nil && !errors.Is(err, context.Canceled) {
+		log.Fatalf("service-exporter failed: %v", err)
+	}
+}

cmd/service-forecast/main.go

@@ -0,0 +1,65 @@
+package main
+
+import (
+	"context"
+	"log"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+	"weatherstation/internal/config"
+	"weatherstation/internal/forecast"
+	"weatherstation/internal/server"
+)
+
+func hourlyLoop(ctx context.Context, fn func() error, name string) {
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		default:
+		}
+		now := time.Now()
+		next := now.Truncate(time.Hour).Add(time.Hour)
+		t := time.NewTimer(time.Until(next))
+		select {
+		case <-ctx.Done():
+			t.Stop()
+			return
+		case <-t.C:
+		}
+		if err := fn(); err != nil {
+			log.Printf("[%s] scheduled run failed: %v", name, err)
+		} else {
+			log.Printf("[%s] scheduled run completed", name)
+		}
+	}
+}
+
+func main() {
+	server.SetupLogger()
+
+	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
+	defer stop()
+
+	// Open-Meteo hourly fetch
+	go hourlyLoop(ctx, func() error { return forecast.RunOpenMeteoFetch(context.Background()) }, "open-meteo")
+
+	// Caiyun hourly fetch (if token configured)
+	token := os.Getenv("CAIYUN_TOKEN")
+	if token == "" {
+		token = config.GetConfig().Forecast.CaiyunToken
+	}
+	if token == "" {
+		log.Printf("[caiyun] token not set; caiyun scheduler disabled")
+	} else {
+		t := token
+		go hourlyLoop(ctx, func() error { return forecast.RunCaiyunFetch(context.Background(), t) }, "caiyun")
+	}
+
+	// CMA hourly fetch
+	// go hourlyLoop(ctx, func() error { return forecast.RunCMAFetch(context.Background()) }, "cma")
+
+	<-ctx.Done()
+	log.Println("service-forecast shutting down")
+}

cmd/service-radar/main.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"context"
+	"log"
+	"os"
+	"os/signal"
+	"syscall"
+	"weatherstation/internal/radar"
+	"weatherstation/internal/server"
+)
+
+func main() {
+	server.SetupLogger()
+
+	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
+	defer stop()
+
+	// Start radar scheduler with defaults (StoreToDB=true; tile defaults read inside package)
+	if err := radar.Start(ctx, radar.Options{StoreToDB: true}); err != nil {
+		log.Fatalf("service-radar start error: %v", err)
+	}
+
+	// Keep process alive until signal
+	<-ctx.Done()
+	log.Println("service-radar shutting down")
+}