init: initial commit

2026-10-07 09:28:43 +08:00
commit a68a4ef411
251 changed files with 38279 additions and 0 deletions
@@ -0,0 +1,146 @@
+// 我们past后端（Go 版）：API 与 PHP 版 backend/api/index.php 完全兼容。
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"io"
+	"log/slog"
+	"net/http"
+	"os"
+	"os/signal"
+	"path/filepath"
+	"syscall"
+	"time"
+	_ "time/tzdata" // Windows 没有系统时区库，内嵌 tzdata 保证 Asia/Shanghai 可用
+
+	"past/internal/config"
+	"past/internal/geo"
+	"past/internal/handler"
+	"past/internal/httpapi"
+	"past/internal/notify"
+	"past/internal/store"
+	"past/internal/upload"
+	"past/internal/wechat"
+	"past/web"
+)
+
+// version 由构建时 -ldflags 注入
+var version = "dev"
+
+func main() {
+	cfgPath := flag.String("config", "config.yaml", "配置文件路径")
+	showVer := flag.Bool("version", false, "显示版本")
+	svcCmd := flag.String("service", "", "Windows 服务管理: install | uninstall | start | stop")
+	flag.Parse()
+	if *showVer {
+		fmt.Println("past-server", version)
+		return
+	}
+	if *svcCmd != "" {
+		if err := serviceControl(*svcCmd, *cfgPath); err != nil {
+			fmt.Fprintln(os.Stderr, "错误:", err)
+			os.Exit(1)
+		}
+		return
+	}
+
+	// 作为 Windows 服务运行时，工作目录是 System32：配置文件相对路径按可执行文件所在目录解析
+	if !filepath.IsAbs(*cfgPath) {
+		if exe, err := os.Executable(); err == nil {
+			if _, err := os.Stat(*cfgPath); err != nil {
+				*cfgPath = filepath.Join(filepath.Dir(exe), *cfgPath)
+			}
+		}
+	}
+
+	if runAsServiceIfNeeded(func(stop <-chan struct{}) { serve(*cfgPath, stop) }) {
+		return
+	}
+	// 控制台模式：Ctrl+C / SIGTERM 触发优雅退出
+	stop := make(chan struct{})
+	go func() {
+		quit := make(chan os.Signal, 1)
+		signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
+		<-quit
+		close(stop)
+	}()
+	serve(*cfgPath, stop)
+}
+
+// serve 启动全部组件并阻塞到 stop 关闭
+func serve(cfgPath string, stop <-chan struct{}) {
+	// 与 PHP date_default_timezone_set('Asia/Shanghai') 一致
+	if loc, err := time.LoadLocation("Asia/Shanghai"); err == nil {
+		time.Local = loc
+	}
+
+	cfg, err := config.Load(cfgPath)
+	if err != nil {
+		slog.Error("配置加载失败", "err", err)
+		os.Exit(1)
+	}
+	// 确保必要目录存在（对应 config.php 中的 $dirs）
+	for _, d := range []string{"data", "data/tmp", "uploads", "uploads/avatars", "uploads/couples", "uploads/users"} {
+		os.MkdirAll(filepath.Join(cfg.DataDir, d), 0755)
+	}
+	// 日志：stdout + data/go-server.log（Windows 服务没有控制台，文件日志是主要途径）
+	logOut := io.Writer(os.Stdout)
+	if f, err := os.OpenFile(filepath.Join(cfg.LogDir(), "go-server.log"), os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644); err == nil {
+		logOut = io.MultiWriter(os.Stdout, f)
+		defer f.Close()
+	}
+	slog.SetDefault(slog.New(slog.NewTextHandler(logOut, &slog.HandlerOptions{Level: slog.LevelInfo})))
+
+	db, err := store.Open(cfg.DSN())
+	if err != nil {
+		slog.Error("数据库连接失败", "err", err)
+		os.Exit(1)
+	}
+	db.NumericAsString = cfg.PHPCompat < "8.1"
+	if err := db.InitSchema(); err != nil {
+		slog.Error("数据库初始化失败", "err", err)
+		os.Exit(1)
+	}
+
+	wx := wechat.New(cfg.Wechat.AppID, cfg.Wechat.Secret, cfg.Wechat.NotifyTemplateID, cfg.DataDir, db)
+	app := &httpapi.App{
+		Cfg:    cfg,
+		DB:     db,
+		Wechat: wx,
+		Geo:    geo.New(cfg.TencentMapKey),
+		Admin:  httpapi.NewAdminSessions(),
+	}
+	uploader := &upload.Uploader{Dir: cfg.UploadDir(), MaxSize: cfg.MaxUploadMB * 1024 * 1024, Checker: wx}
+
+	router := httpapi.NewRouter(app, web.AdminFS())
+	handler.Register(router, uploader)
+	slog.Info("已注册 action", "count", len(router.Actions()))
+
+	if cfg.NotifyIntervalMin > 0 {
+		go notify.Run(db, wx, time.Duration(cfg.NotifyIntervalMin)*time.Minute)
+	}
+
+	srv := &http.Server{
+		Addr:              cfg.Listen,
+		Handler:           router.Engine(cfg.Debug),
+		ReadHeaderTimeout: 30 * time.Second,
+		ReadTimeout:       180 * time.Second, // 大文件上传
+		WriteTimeout:      180 * time.Second,
+		IdleTimeout:       120 * time.Second,
+	}
+	go func() {
+		slog.Info("服务启动", "version", version, "listen", cfg.Listen, "data_dir", cfg.DataDir)
+		if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+			slog.Error("服务异常退出", "err", err)
+			os.Exit(1)
+		}
+	}()
+
+	<-stop
+	ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
+	defer cancel()
+	srv.Shutdown(ctx)
+	slog.Info("服务已停止")
+}