feat: gfdb增加noTenantId

db/gfdb/gfdb.go

@@ -9,6 +9,7 @@ import (
 	"strings"
 	"time"
 
+	"gitea.com/red-future/common/beans"
 	"gitea.com/red-future/common/utils"
 	"github.com/bwmarrin/snowflake"
 	"github.com/gogf/gf/v2/crypto/gmd5"
@@ -280,11 +281,48 @@ func deleteHook(ctx context.Context, in *gdb.HookDeleteInput) (result sql.Result
 // ==================== Select钩子（缓存读取） ====================
 
 func selectHook(ctx context.Context, in *gdb.HookSelectInput) (result gdb.Result, err error) {
-	traceID := getTraceID(ctx)
+	var tenantId uint64
+	// ===================== 最终版：安全追加租户ID =====================
+	tenantEnabled, err := gcache.Get(ctx, getTraceID(ctx, noTenantIdKeyPrefix))
+	if err != nil {
+		return
+	}
+	if !gconv.Bool(tenantEnabled) {
+		user, err := utils.GetUserInfo(ctx)
+		if err != nil {
+			return nil, err
+		}
+		tenantId = user.TenantId
+		// 【关键修复】找到 SQL 中第一个出现的 ORDER BY / GROUP BY / LIMIT 等关键字位置
+		sql := in.Sql
+		insertPos := len(sql)
+		keywords := []string{" ORDER BY ", " GROUP BY ", " HAVING ", " LIMIT ", " FOR UPDATE"}
+		for _, kw := range keywords {
+			if idx := gstr.PosI(sql, kw); idx != -1 {
+				insertPos = idx
+				break
+			}
+		}
 
-	enabled, err := gcache.Get(ctx, traceID)
+		// 【正确拼接】把条件插入到关键字之前，而不是直接拼在最后
+		condition := " " + beans.DefSQLBaseCol.TenantId + " = ?"
+		if gstr.Contains(gstr.ToUpper(sql), " WHERE ") {
+			// 有 WHERE → 加 AND
+			in.Sql = sql[:insertPos] + " AND" + condition + sql[insertPos:]
+		} else {
+			// 无 WHERE → 加 WHERE
+			in.Sql = sql[:insertPos] + " WHERE" + condition + sql[insertPos:]
+		}
+		in.Args = append(in.Args, tenantId)
+	}
+	// ==================================================================
+
+	cacheEnabled, err := gcache.Get(ctx, getTraceID(ctx, cacheKeyPrefix))
+	if err != nil {
+		return
+	}
 	// 未启用缓存，直接执行查询
-	if !gconv.Bool(enabled) {
+	if !gconv.Bool(cacheEnabled) {
 		return in.Next(ctx)
 	}
 
@@ -303,18 +341,13 @@ func selectHook(ctx context.Context, in *gdb.HookSelectInput) (result gdb.Result
 		}
 	}
 
-	user, err := utils.GetUserInfo(ctx)
-	if err != nil {
-		return nil, err
-	}
-
 	encrypt, err := gmd5.Encrypt(fmt.Sprintf("%s:%s", whereCondition, in.Args))
 	if err != nil {
 		return nil, err
 	}
 
 	// 构建缓存key：sql:tenantId:table:where条件:args
-	cacheKey := fmt.Sprintf("%s:%s:%s", getCacheKey(user.TenantId, in.Table, false), getSelectTypeString(in.SelectType), encrypt)
+	cacheKey := fmt.Sprintf("%s:%s:%s", getCacheKey(tenantId, in.Table, false), getSelectTypeString(in.SelectType), encrypt)
 
 	// 1. 先查缓存
 	if data, ok := getFromCache(ctx, cacheKey); ok {
@@ -343,7 +376,12 @@ func selectHook(ctx context.Context, in *gdb.HookSelectInput) (result gdb.Result
 }
 
 func getCacheKey(tenantId uint64, table string, isBlur bool) string {
-	cacheKey := fmt.Sprintf("sql:tenantId-%v:%s", tenantId, table)
+	var cacheKey string
+	if g.IsEmpty(tenantId) {
+		cacheKey = fmt.Sprintf("sql:%s", table)
+	} else {
+		cacheKey = fmt.Sprintf("sql:tenantId-%v:%s", tenantId, table)
+	}
 	if isBlur {
 		cacheKey = fmt.Sprintf("%s:*", cacheKey)
 	}
@@ -369,7 +407,9 @@ func getSelectTypeString(selectType gdb.SelectType) string {
 // ==================== 调用方法 ====================
 
 var (
-	schemaPrefix = "tenant-"
+	schemaPrefix        = "tenant-"
+	cacheKeyPrefix      = "cache-"
+	noTenantIdKeyPrefix = "tenantId-"
 )
 
 type Gfdb interface {
@@ -382,49 +422,39 @@ type cache interface {
 	Cache(ctx context.Context) *gdb.Model
 }
 
-type model struct {
+type noTenantId interface {
-	*gdb.Model
+	NoTenantId(ctx context.Context) *modelCache
 }
 
 type dataBase struct {
 	gdb.DB
 }
 
-func GetTablePrefix(ctx context.Context) (prefix string, err error) {
+type model struct {
-	tenantId, config, err := checkSchemaConfig(ctx)
+	*gdb.Model
-	if err != nil {
-		glog.Errorf(ctx, "[DB] checkSchemaConfig error: %v", err)
-		return
-	}
-	if config {
-		sprintf := fmt.Sprintf("database.%s%v.0.prefix", schemaPrefix, tenantId)
-		prefix = g.Cfg().MustGet(ctx, sprintf).String()
-		return
-	}
-	prefix = g.Cfg().MustGet(ctx, "database.default.0.prefix").String()
-	return
 }
 
-func checkSchemaConfig(ctx context.Context) (uint64, bool, error) {
+type modelCache struct {
+	*model
+}
+
+func checkSchemaConfig(ctx context.Context) (uint64, bool) {
 	user, err := utils.GetUserInfo(ctx)
 	if err != nil {
 		glog.Errorf(ctx, "[DB] GetUserInfo error: %v", err)
-		return 0, false, err
+		return 0, false
 	}
 	var schema = fmt.Sprintf("%s%v", schemaPrefix, user.TenantId)
 	sprintf := fmt.Sprintf("database.%s", schema)
 	if !g.Cfg().MustGet(ctx, sprintf).IsEmpty() {
-		return user.TenantId, true, nil
+		return user.TenantId, true
 	}
-	return user.TenantId, false, nil
+	return user.TenantId, false
 }
 
 func DB(ctx context.Context) Gfdb {
-	tenantId, config, err := checkSchemaConfig(ctx)
+	tenantId, config := checkSchemaConfig(ctx)
-	if err != nil {
+
-		glog.Errorf(ctx, "[DB] checkSchemaConfig error: %v", err)
-		return nil
-	}
 	var schema = fmt.Sprintf("%s%v", schemaPrefix, tenantId)
 
 	var dbName []string
@@ -450,11 +480,8 @@ func (d *dataBase) Model(ctx context.Context, tableNameOrStruct ...any) *model {
 
 	m := d.DB.Model(tableNameOrStruct...).Ctx(ctx)
 
-	tenantId, config, err := checkSchemaConfig(ctx)
+	tenantId, config := checkSchemaConfig(ctx)
-	if err != nil {
+
-		glog.Errorf(ctx, "[DB] checkSchemaConfig error: %v", err)
-		return nil
-	}
 	if config {
 		// 创建按地区分库的配置
 		shardingConfig := gdb.ShardingConfig{
@@ -478,7 +505,7 @@ func (d *dataBase) Transaction(ctx context.Context, f func(ctx context.Context,
 }
 
 func (d *model) Cache(ctx context.Context) *gdb.Model {
-	traceID := getTraceID(ctx)
+	traceID := getTraceID(ctx, cacheKeyPrefix)
 	if traceID == "" {
 		glog.Errorf(ctx, "[DB] GetTraceID error: traceID is empty")
 		return nil
@@ -490,11 +517,28 @@ func (d *model) Cache(ctx context.Context) *gdb.Model {
 	return d.Model
 }
 
+func (d *model) NoTenantId(ctx context.Context) *modelCache {
+	traceID := getTraceID(ctx, noTenantIdKeyPrefix)
+	if traceID == "" {
+		glog.Errorf(ctx, "[DB] GetTraceID error: traceID is empty")
+		return nil
+	}
+	if err := gcache.Set(ctx, traceID, true, time.Second); err != nil {
+		glog.Errorf(ctx, "[DB] Cache error: %v", err)
+		return nil
+	}
+	return &modelCache{
+		&model{
+			Model: d.Model,
+		},
+	}
+}
+
 // getTraceID 从 context 中获取链路追踪 ID
-func getTraceID(ctx context.Context) string {
+func getTraceID(ctx context.Context, prefix string) string {
 	span := trace.SpanFromContext(ctx)
 	if span != nil && span.SpanContext().HasTraceID() {
-		return span.SpanContext().TraceID().String()
+		return fmt.Sprintf("%s%v", prefix, span.SpanContext().TraceID().String())
 	}
 	return ""
 }
@@ -521,3 +565,19 @@ func (r *RegionShardingRule) TableName(ctx context.Context, config gdb.ShardingT
 	// 这里不实现分表，返回空字符串
 	return "", nil
 }
+
+func GetTablePrefix(ctx context.Context) (prefix string, err error) {
+	tenantId, config := checkSchemaConfig(ctx)
+	if config {
+		sprintf := fmt.Sprintf("database.%s%v.0.prefix", schemaPrefix, tenantId)
+		prefix = g.Cfg().MustGet(ctx, sprintf).String()
+		return
+	}
+	defaultConfig := g.Cfg().MustGet(ctx, "database.default")
+	if defaultConfig.IsSlice() {
+		prefix = g.Cfg().MustGet(ctx, "database.default.0.prefix").String()
+	} else {
+		prefix = g.Cfg().MustGet(ctx, "database.default.prefix").String()
+	}
+	return
+}