Fix login stalls and bot redemption routing

internal/config/config.go

@@ -22,8 +22,8 @@ import (
 const EnvPrefix = "MEDIASTATION"
 
 const (
-	defaultDatabaseMaxOpenConns = 1
-	defaultDatabaseMaxIdleConns = 1
+	defaultDatabaseMaxOpenConns = 4
+	defaultDatabaseMaxIdleConns = 2
 )
 
 // Config 是根配置聚合。

internal/config/config_test.go

@@ -75,7 +75,7 @@ func TestEnvOverride(t *testing.T) {
 	}
 }
 
-func TestLoadAllowsSingleConnectionDatabaseConfig(t *testing.T) {
+func TestLoadAllowsExplicitSingleConnectionDatabaseConfig(t *testing.T) {
 	dir := t.TempDir()
 	wd, _ := os.Getwd()
 	defer func() { _ = os.Chdir(wd) }()
@@ -90,7 +90,10 @@ func TestLoadAllowsSingleConnectionDatabaseConfig(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Load() error: %v", err)
 	}
-	if cfg.Database.MaxOpenConns != defaultDatabaseMaxOpenConns {
-		t.Fatalf("expected MaxOpenConns=1 to remain at safe default %d, got %d", defaultDatabaseMaxOpenConns, cfg.Database.MaxOpenConns)
+	if cfg.Database.MaxOpenConns != 1 {
+		t.Fatalf("expected explicit MaxOpenConns=1 to be preserved, got %d", cfg.Database.MaxOpenConns)
+	}
+	if cfg.Database.MaxIdleConns != 1 {
+		t.Fatalf("expected explicit MaxIdleConns=1 to be preserved, got %d", cfg.Database.MaxIdleConns)
 	}
 }

internal/service/auth_user_limits_test.go

@@ -296,6 +296,59 @@ func TestLoginRetriesTransientSQLiteBusy(t *testing.T) {
 	}
 }
 
+func TestLoginSurvivesOneReservedSQLiteConnectionWithWALPool(t *testing.T) {
+	ctx := context.Background()
+	cfg := &config.Config{}
+	cfg.App.DataDir = t.TempDir()
+	cfg.Database.DBPath = filepath.Join(cfg.App.DataDir, "reserved-connection-login.db")
+	cfg.Database.WALMode = true
+	cfg.Database.BusyTimeout = 20
+	cfg.Database.MaxOpenConns = 4
+	cfg.Database.MaxIdleConns = 2
+	cfg.Secrets.JWTSecret = "test-secret"
+	log := zap.NewNop()
+	db, err := database.Open(cfg, log)
+	if err != nil {
+		t.Fatal(err)
+	}
+	sqlDB, err := db.DB()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer func() { _ = sqlDB.Close() }()
+	if err := database.AutoMigrate(db); err != nil {
+		t.Fatal(err)
+	}
+	repos := repository.New(db)
+	permissions := NewPermissionService(log, repos)
+	auth := NewAuthService(cfg, log, repos, NewTokenService(cfg, log, repos), permissions)
+	hash, err := bcrypt.GenerateFromPassword([]byte("password"), bcrypt.MinCost)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := repos.User.Create(ctx, &model.User{
+		Username:     "viewer",
+		PasswordHash: string(hash),
+		Role:         "user",
+		Tier:         "free",
+		IsActive:     true,
+	}); err != nil {
+		t.Fatal(err)
+	}
+
+	reserved, err := sqlDB.Conn(ctx)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer func() { _ = reserved.Close() }()
+
+	loginCtx, cancel := context.WithTimeout(ctx, time.Second)
+	defer cancel()
+	if _, err := auth.Login(loginCtx, "viewer", "password"); err != nil {
+		t.Fatalf("login should not be blocked by one reserved sqlite connection: %v", err)
+	}
+}
+
 func TestLoginReturnsTokensWhenSQLiteWriteLockPersists(t *testing.T) {
 	ctx := context.Background()
 	cfg := &config.Config{}

internal/service/bot_features.go

@@ -136,7 +136,7 @@ func (s *TelegramBotService) generateCode(ctx context.Context, kind string, dura
 // used only after the dependent action (account create / renew) succeeds, so a
 // failed action never burns a code.
 func (s *TelegramBotService) lookupRedeemableCode(ctx context.Context, raw, wantKind string) (*model.RegistrationCode, string) {
-	code := strings.TrimSpace(raw)
+	code := normalizeRedemptionCode(raw)
 	if code == "" {
 		return nil, "请提供兑换码。"
 	}
@@ -161,6 +161,25 @@ func (s *TelegramBotService) lookupRedeemableCode(ctx context.Context, raw, want
 	return rc, ""
 }
 
+func normalizeRedemptionCode(raw string) string {
+	code := strings.ToUpper(strings.TrimSpace(raw))
+	code = strings.NewReplacer(" ", "", "-", "", "_", "").Replace(code)
+	return code
+}
+
+func looksLikeRedemptionCode(raw string) bool {
+	code := normalizeRedemptionCode(raw)
+	if len(code) < 8 || len(code) > 32 {
+		return false
+	}
+	for _, ch := range code {
+		if !strings.ContainsRune(codeAlphabet, ch) {
+			return false
+		}
+	}
+	return true
+}
+
 // ── 续期 ────────────────────────────────────────────────────────────────────
 
 // renewUser extends a user's expiry by durationDays. A nil/zero current expiry

internal/service/bot_features_test.go

@@ -2,6 +2,7 @@ package service
 
 import (
 	"context"
+	"encoding/json"
 	"strings"
 	"testing"
 	"time"
@@ -552,6 +553,68 @@ func TestBotRedeemRegisterCodeCreatesOnlyOneAccount(t *testing.T) {
 	}
 }
 
+func TestBotRegisterCommandAcceptsRegistrationCode(t *testing.T) {
+	ctx := context.Background()
+	_, bot := newBotTestService(t)
+	code, err := bot.generateCode(ctx, model.RegistrationCodeRegister, 30, 0, "")
+	if err != nil {
+		t.Fatal(err)
+	}
+	channel := &model.NotifyChannel{Name: "Telegram", Type: "telegram", Enabled: true, Config: `{"admin_user_ids":"9301"}`}
+	msg := &TelegramMessage{From: TelegramUser{ID: 9301, Username: "codeuser"}, Chat: TelegramChat{ID: 9301, Type: "private"}}
+
+	reply, err := bot.executeCommand(ctx, channel, msg, "/register "+strings.ToLower(code.Code[:4])+"-"+strings.ToLower(code.Code[4:]))
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !strings.Contains(reply.Text, "兑换成功") {
+		t.Fatalf("/register CODE should redeem registration code, got %q", reply.Text)
+	}
+	if binding := bot.telegramBinding(ctx, 9301); binding == nil {
+		t.Fatal("register code should bind the newly created account")
+	}
+}
+
+func TestBotPlainRegistrationCodeMessageRedeems(t *testing.T) {
+	ctx := context.Background()
+	repos, bot := newBotTestService(t)
+	code, err := bot.generateCode(ctx, model.RegistrationCodeRegister, 30, 0, "")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := repos.DB.Create(&model.NotifyChannel{
+		Name:    "Telegram",
+		Type:    "telegram",
+		Enabled: true,
+		Config:  `{"admin_user_ids":"9302"}`,
+	}).Error; err != nil {
+		t.Fatal(err)
+	}
+	update, _ := json.Marshal(TelegramUpdate{
+		UpdateID: 1,
+		Message: &TelegramMessage{
+			MessageID: 12,
+			Text:      strings.ToLower(code.Code),
+			From:      TelegramUser{ID: 9302, Username: "plaincode"},
+			Chat:      TelegramChat{ID: 9302, Type: "private"},
+		},
+	})
+
+	if err := bot.HandleWebhook(ctx, update); err != nil {
+		t.Fatal(err)
+	}
+	if binding := bot.telegramBinding(ctx, 9302); binding == nil {
+		t.Fatal("plain code private message should redeem and bind account")
+	}
+	var used model.RegistrationCode
+	if err := repos.DB.Where("code = ?", code.Code).First(&used).Error; err != nil {
+		t.Fatal(err)
+	}
+	if used.UsedAt == nil || used.UsedByUserID == "" {
+		t.Fatal("plain code message should mark registration code as used")
+	}
+}
+
 func TestBotAdminCodeAndUserCommands(t *testing.T) {
 	ctx := context.Background()
 	repos, bot := newBotTestService(t)

internal/service/telegram_bot.go

@@ -160,9 +160,12 @@ func (s *TelegramBotService) HandleWebhook(ctx context.Context, body []byte) err
 	if err := json.Unmarshal(body, &update); err != nil {
 		return fmt.Errorf("invalid update: %w", err)
 	}
+	return s.handleTelegramUpdate(ctx, update, nil)
+}
 
+func (s *TelegramBotService) handleTelegramUpdate(ctx context.Context, update TelegramUpdate, channelHint *model.NotifyChannel) error {
 	if update.CallbackQuery != nil {
-		return s.handleCallback(ctx, update.CallbackQuery)
+		return s.handleCallback(ctx, update.CallbackQuery, channelHint)
 	}
 
 	if update.Message == nil || update.Message.Text == "" {
@@ -177,7 +180,7 @@ func (s *TelegramBotService) HandleWebhook(ctx context.Context, body []byte) err
 	// command gate so the button-driven menu can collect free-form input.
 	if !telegramIsCommandText(text) {
 		if msg.Chat.Type == "" || msg.Chat.Type == "private" {
-			if channel := s.findChannelForMessage(ctx, msg); channel != nil {
+			if channel := s.channelForMessage(ctx, msg, channelHint); channel != nil {
 				if reply, handled := s.handlePendingText(ctx, channel, msg, text); handled {
 					if reply.Text != "" {
 						if err := s.reply(ctx, channel, msg.Chat.ID, reply); err != nil {
@@ -187,6 +190,16 @@ func (s *TelegramBotService) HandleWebhook(ctx context.Context, body []byte) err
 					s.deleteTelegramSourceMessage(channel, msg.Chat.ID, msg.MessageID)
 					return nil
 				}
+				if looksLikeRedemptionCode(text) {
+					reply := s.cmdRedeem(ctx, channel, msg, []string{text})
+					if reply.Text != "" {
+						if err := s.reply(ctx, channel, msg.Chat.ID, reply); err != nil {
+							s.log.Error("reply failed", zap.Error(err))
+						}
+					}
+					s.deleteTelegramSourceMessage(channel, msg.Chat.ID, msg.MessageID)
+					return nil
+				}
 			}
 		}
 		return nil
@@ -203,7 +216,7 @@ func (s *TelegramBotService) HandleWebhook(ctx context.Context, body []byte) err
 
 	// 获取该消息可使用的 Telegram 通知渠道配置。群组/频道消息必须来自
 	// 已配置的群组/频道；私聊消息会选择一个可验证该用户成员身份的 Bot。
-	channel := s.findChannelForMessage(ctx, msg)
+	channel := s.channelForMessage(ctx, msg, channelHint)
 	if channel == nil {
 		s.log.Warn("telegram channel not allowed or not configured",
 			zap.Int("chat_id", msg.Chat.ID),
@@ -360,6 +373,9 @@ func (s *TelegramBotService) cmdStart(ctx context.Context, msg *TelegramMessage,
 // cmdRegister 处理 /register 命令：在管理员开启注册后，普通用户可通过 Bot
 // 注册一个新的媒体中心账号，并自动绑定到当前 Telegram 账号。
 func (s *TelegramBotService) cmdRegister(ctx context.Context, channel *model.NotifyChannel, msg *TelegramMessage, args []string) telegramCommandReply {
+	if len(args) == 1 && looksLikeRedemptionCode(args[0]) {
+		return s.redeemRegisterFlow(ctx, channel, msg, args[0])
+	}
 	if !s.openRegEnabled(ctx) {
 		return telegramCommandReply{Text: "注册功能未开放，请联系管理员开启后再试。"}
 	}
@@ -793,7 +809,8 @@ func (s *TelegramBotService) StartPolling(ctx context.Context) {
 		s.pollingCancel[botToken] = cancel
 		s.pollingMu.Unlock()
 
-		go s.pollLoop(pollCtx, cfg)
+		channel := ch
+		go s.pollLoop(pollCtx, cfg, &channel)
 		s.log.Info("started telegram polling", zap.String("channel", ch.Name))
 	}
 }
@@ -810,7 +827,7 @@ func (s *TelegramBotService) StopPolling() {
 }
 
 // pollLoop 对单个 Bot Token 执行长轮询。
-func (s *TelegramBotService) pollLoop(ctx context.Context, cfg map[string]string) {
+func (s *TelegramBotService) pollLoop(ctx context.Context, cfg map[string]string, channel *model.NotifyChannel) {
 	var offset int64 = 0
 	pollURL, err := telegramMethodURL(cfg, cfg["bot_token"], "getUpdates")
 	if err != nil {
@@ -856,8 +873,7 @@ func (s *TelegramBotService) pollLoop(ctx context.Context, cfg map[string]string
 			go func(u TelegramUpdate) {
 				handlerCtx, cancel := context.WithTimeout(ctx, 2*time.Minute)
 				defer cancel()
-				raw, _ := json.Marshal(u)
-				_ = s.HandleWebhook(handlerCtx, raw)
+				_ = s.handleTelegramUpdate(handlerCtx, u, channel)
 			}(upd)
 		}
 	}
@@ -1086,13 +1102,26 @@ func (s *TelegramBotService) findChannelForMessage(ctx context.Context, msg *Tel
 	return first
 }
 
-func (s *TelegramBotService) handleCallback(ctx context.Context, cb *TelegramCallbackQuery) error {
+func (s *TelegramBotService) channelForMessage(ctx context.Context, msg *TelegramMessage, hint *model.NotifyChannel) *model.NotifyChannel {
+	if hint == nil {
+		return s.findChannelForMessage(ctx, msg)
+	}
+	if msg == nil {
+		return hint
+	}
+	if msg.Chat.Type != "" && msg.Chat.Type != "private" && !s.telegramChatAllowed(hint, msg.Chat.ID) {
+		return nil
+	}
+	return hint
+}
+
+func (s *TelegramBotService) handleCallback(ctx context.Context, cb *TelegramCallbackQuery, channelHint *model.NotifyChannel) error {
 	if cb == nil || cb.Message == nil {
 		return nil
 	}
 	msg := *cb.Message
 	msg.From = cb.From
-	channel := s.findChannelForMessage(ctx, &msg)
+	channel := s.channelForMessage(ctx, &msg, channelHint)
 	if channel == nil {
 		channel = s.findChannelByChatID(ctx, cb.Message.Chat.ID)
 	}

internal/service/telegram_bot_user_test.go

@@ -191,6 +191,62 @@ func TestTelegramGroupAdminMenuDoesNotExposeButtonsInGroup(t *testing.T) {
 	}
 }
 
+func TestTelegramPollingChannelHintWinsForPrivateMessages(t *testing.T) {
+	ctx := t.Context()
+	repos, bot := newBotTestService(t)
+	msg := &TelegramMessage{
+		From: TelegramUser{ID: 9101, Username: "viewer", FirstName: "Viewer"},
+		Chat: TelegramChat{ID: 9101, Type: "private"},
+	}
+	bad := model.NotifyChannel{Name: "BadToken", Type: "telegram", Enabled: true, Config: `{"bot_token":"bad","admin_user_ids":"9101"}`}
+	good := model.NotifyChannel{Name: "GoodToken", Type: "telegram", Enabled: true, Config: `{"bot_token":"good","admin_user_ids":"9101"}`}
+	if err := repos.DB.Create(&bad).Error; err != nil {
+		t.Fatal(err)
+	}
+	if err := repos.DB.Create(&good).Error; err != nil {
+		t.Fatal(err)
+	}
+
+	if first := bot.findChannelForMessage(ctx, msg); first == nil || first.ID != bad.ID {
+		t.Fatalf("setup expected normal private lookup to pick first channel, got %#v", first)
+	}
+	if hinted := bot.channelForMessage(ctx, msg, &good); hinted == nil || hinted.ID != good.ID {
+		t.Fatalf("polling channel hint should route replies through the token that received the update, got %#v", hinted)
+	}
+}
+
+func TestTelegramSakuraCompatibleUserCommands(t *testing.T) {
+	ctx := t.Context()
+	repos, bot := newBotTestService(t)
+	user := &model.User{Username: "viewer", PasswordHash: "hash", Role: "user", IsActive: true}
+	if err := repos.User.Create(ctx, user); err != nil {
+		t.Fatal(err)
+	}
+	if err := repos.DB.Create(&model.TelegramBinding{TelegramUserID: 9102, ChatID: 9102, UserID: user.ID}).Error; err != nil {
+		t.Fatal(err)
+	}
+	channel := &model.NotifyChannel{Name: "Telegram", Type: "telegram", Enabled: true, Config: `{"admin_user_ids":"9102"}`}
+	msg := &TelegramMessage{
+		From: TelegramUser{ID: 9102, Username: "viewer", FirstName: "Viewer"},
+		Chat: TelegramChat{ID: 9102, Type: "private"},
+	}
+
+	info, err := bot.executeCommand(ctx, channel, msg, "/myinfo")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !strings.Contains(info.Text, "我的账号") {
+		t.Fatalf("/myinfo should show account info, got %q", info.Text)
+	}
+	count, err := bot.executeCommand(ctx, channel, msg, "/count")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !strings.Contains(count.Text, "媒体库统计") {
+		t.Fatalf("/count should show library counts, got %q", count.Text)
+	}
+}
+
 func telegramReplyHasButtonPrefix(reply telegramCommandReply, prefix string) bool {
 	for _, row := range reply.Buttons {
 		for _, button := range row {

internal/service/telegram_commands.go

@@ -40,7 +40,8 @@ func (s *TelegramBotService) telegramCommandDefinitions(ctx context.Context, cha
 			return telegramCommandReply{Text: s.cmdHelp(ctx, msg)}, nil
 		}},
 		{Aliases: []string{"/hideadult", "/hide_adult", "/adult"}, GroupAllowed: true, Handle: func(args []string) (telegramCommandReply, error) { return s.cmdHideAdult(ctx, msg, args), nil }},
-		{Aliases: []string{"/account", "/me"}, GroupAllowed: true, Handle: func(args []string) (telegramCommandReply, error) { return s.replyAccount(ctx, msg), nil }},
+		{Aliases: []string{"/account", "/me", "/myinfo"}, GroupAllowed: true, Handle: func(args []string) (telegramCommandReply, error) { return s.replyAccount(ctx, msg), nil }},
+		{Aliases: []string{"/count"}, GroupAllowed: true, Handle: func(args []string) (telegramCommandReply, error) { return s.cmdStats(ctx) }},
 		{Aliases: []string{"/signin", "/checkin"}, GroupAllowed: true, Handle: func(args []string) (telegramCommandReply, error) { return s.replySignIn(ctx, msg), nil }},
 		{Aliases: []string{"/devices"}, GroupAllowed: true, Handle: func(args []string) (telegramCommandReply, error) { return s.replyDevices(ctx, msg), nil }},
 		{Aliases: []string{"/kick"}, GroupAllowed: true, Handle: func(args []string) (telegramCommandReply, error) { return s.cmdKick(ctx, msg, args), nil }},
@@ -128,7 +129,7 @@ func telegramSupportedCommand(cmd string) bool {
 
 var telegramSupportedCommandSet = map[string]struct{}{
 	"/start": {}, "/menu": {}, "/cancel": {}, "/help": {}, "/hideadult": {}, "/hide_adult": {}, "/adult": {},
-	"/account": {}, "/me": {}, "/signin": {}, "/checkin": {}, "/devices": {}, "/kick": {}, "/setname": {}, "/rename": {}, "/setpass": {}, "/passwd": {}, "/password": {},
+	"/account": {}, "/me": {}, "/myinfo": {}, "/count": {}, "/signin": {}, "/checkin": {}, "/devices": {}, "/kick": {}, "/setname": {}, "/rename": {}, "/setpass": {}, "/passwd": {}, "/password": {},
 	"/redeem": {}, "/redeem_register": {}, "/redeem_renew": {},
 	"/register": {}, "/reg": {}, "/signup": {}, "/registration": {}, "/reg_switch": {}, "/openreg": {},
 	"/capacity": {}, "/users": {}, "/gencode": {}, "/renew_user": {}, "/delete_user": {}, "/unbind": {}, "/unbind_duplicates": {}, "/unbind_inactive": {},
@@ -151,6 +152,8 @@ func telegramPrivateBotCommandMenu() []telegramBotCommand {
 		{Command: "menu", Description: "打开功能菜单"},
 		{Command: "help", Description: "查看命令帮助"},
 		{Command: "account", Description: "查看账号状态"},
+		{Command: "myinfo", Description: "查看账号状态"},
+		{Command: "count", Description: "查看媒体库数量"},
 		{Command: "signin", Description: "签到"},
 		{Command: "devices", Description: "查看登录设备"},
 		{Command: "kick", Description: "踢下线设备"},

internal/service/telegram_menu.go

@@ -549,7 +549,7 @@ func (s *TelegramBotService) redeemRegisterFlow(ctx context.Context, channel *mo
 }
 
 func (s *TelegramBotService) createUserFromRegistrationCode(ctx context.Context, rawCode string) (*model.User, string, *model.RegistrationCode, error) {
-	code := strings.TrimSpace(rawCode)
+	code := normalizeRedemptionCode(rawCode)
 	if code == "" {
 		return nil, "", nil, errRegistrationCodeAlreadyUsed
 	}