feat: expand vehicle data platform capabilities

vehicle-data-platform/apps/api/cmd/open-platform-api/main.go

@@ -0,0 +1,82 @@
+package main
+
+import (
+	"context"
+	"database/sql"
+	"log"
+	"net/http"
+	"os"
+	"strconv"
+	"time"
+
+	_ "github.com/go-sql-driver/mysql"
+	_ "github.com/taosdata/driver-go/v3/taosWS"
+
+	"lingniu/vehicle-data-platform/apps/api/internal/openplatform"
+)
+
+func main() {
+	mysqlDSN := os.Getenv("MYSQL_DSN")
+	if mysqlDSN == "" {
+		log.Fatal("MYSQL_DSN is required")
+	}
+	db, err := sql.Open("mysql", mysqlDSN)
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer db.Close()
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+	if err := db.PingContext(ctx); err != nil {
+		log.Fatalf("connect MySQL: %v", err)
+	}
+	tdengineDSN := os.Getenv("TDENGINE_DSN")
+	if tdengineDSN == "" {
+		log.Fatal("TDENGINE_DSN is required")
+	}
+	tdengineDriver := env("TDENGINE_DRIVER", "taosWS")
+	tdengineDB, err := sql.Open(tdengineDriver, tdengineDSN)
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer tdengineDB.Close()
+	tdCtx, tdCancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer tdCancel()
+	if err := tdengineDB.PingContext(tdCtx); err != nil {
+		log.Fatalf("connect TDengine: %v", err)
+	}
+	addr := env("OPEN_PLATFORM_HTTP_ADDR", ":20310")
+	handler := openplatform.NewStandaloneServer(db, openplatform.StandaloneConfig{
+		StaticDir:        os.Getenv("OPEN_PLATFORM_STATIC_DIR"),
+		SessionTTL:       time.Duration(envInt("OPEN_PLATFORM_SESSION_TTL_HOURS", 12)) * time.Hour,
+		RequestTimeout:   time.Duration(envInt("OPEN_PLATFORM_REQUEST_TIMEOUT_MS", 10000)) * time.Millisecond,
+		Release:          os.Getenv("OPEN_PLATFORM_RELEASE"),
+		TDengine:         tdengineDB,
+		TDengineDatabase: env("TDENGINE_DATABASE", "lingniu_vehicle_ts"),
+	})
+	server := &http.Server{
+		Addr:              addr,
+		Handler:           handler,
+		ReadHeaderTimeout: 5 * time.Second,
+		IdleTimeout:       60 * time.Second,
+	}
+	log.Printf("vehicle open platform listening on %s", addr)
+	if err := server.ListenAndServe(); err != nil {
+		log.Fatal(err)
+	}
+}
+
+func env(name, fallback string) string {
+	if value := os.Getenv(name); value != "" {
+		return value
+	}
+	return fallback
+}
+
+func envInt(name string, fallback int) int {
+	value, err := strconv.Atoi(os.Getenv(name))
+	if err != nil {
+		return fallback
+	}
+	return value
+}