fix issue #2890

net/ghttp/ghttp_z_unit_issue_test.go

@@ -17,6 +17,7 @@ import (
 	"github.com/gogf/gf/v2/net/ghttp"
 	"github.com/gogf/gf/v2/test/gtest"
 	"github.com/gogf/gf/v2/text/gstr"
+	"github.com/gogf/gf/v2/util/gtag"
 	"github.com/gogf/gf/v2/util/guid"
 )
 
@@ -365,3 +366,57 @@ func Test_Issue2482(t *testing.T) {
 		t.Assert(c.PutContent(ctx, "/api/v2/order", content), `{"code":0,"message":"","data":null}`)
 	})
 }
+
+type Issue2890Enum string
+
+const (
+	Issue2890EnumA Issue2890Enum = "a"
+	Issue2890EnumB Issue2890Enum = "b"
+)
+
+type Issue2890Req struct {
+	g.Meta `path:"/issue2890" method:"post"`
+	Id     int
+	Enums  Issue2890Enum `v:"required|enums"`
+}
+
+type Issue2890Res struct{}
+type Issue2890Controller struct{}
+
+func (c *Issue2890Controller) Post(ctx context.Context, req *Issue2890Req) (res *Issue2890Res, err error) {
+	g.RequestFromCtx(ctx).Response.Write(req.Enums)
+	return
+}
+
+// https://github.com/gogf/gf/issues/2890
+func Test_Issue2890(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+
+		oldEnumsJson, err := gtag.GetGlobalEnums()
+		t.AssertNil(err)
+		defer t.AssertNil(gtag.SetGlobalEnums(oldEnumsJson))
+
+		err = gtag.SetGlobalEnums(`{"github.com/gogf/gf/v2/net/ghttp_test.Issue2890Enum": ["a","b"]}`)
+		t.AssertNil(err)
+
+		s := g.Server(guid.S())
+		s.Group("/api/v2", func(group *ghttp.RouterGroup) {
+			group.Middleware(ghttp.MiddlewareHandlerResponse)
+			group.Bind(Issue2890Controller{})
+		})
+		s.SetDumpRouterMap(false)
+		s.Start()
+		defer s.Shutdown()
+		time.Sleep(1000 * time.Millisecond)
+
+		c := g.Client()
+		c.SetPrefix(fmt.Sprintf("http://127.0.0.1:%d", s.GetListenedPort()))
+		t.Assert(
+			c.PostContent(ctx, "/api/v2/issue2890", ``),
+			`{"code":51,"message":"The Enums field is required","data":null}`,
+		)
+		t.Assert(
+			c.PostContent(ctx, "/api/v2/issue2890", `{"Enums":"c"}`),
+			"{\"code\":51,\"message\":\"The Enums value `c` should be in enums of: [\\\"a\\\",\\\"b\\\"]\",\"data\":null}")
+	})
+}

util/gvalid/gvalid.go

@@ -27,7 +27,8 @@ type fieldRule struct {
 	Name      string       // Alias name for the field.
 	Rule      string       // Rule string like: "max:6"
 	IsMeta    bool         // Is this rule is from gmeta.Meta, which marks it as whole struct rule.
-	FieldKind reflect.Kind // Kind of struct field, which is used for parameter type checks.
+	FieldKind reflect.Kind // Original kind of struct field, which is used for parameter type checks.
+	FieldType reflect.Type // Type of struct field, which is used for parameter type checks.
 }
 
 // iNoValidation is an interface that marks current struct not validated by package `gvalid`.

util/gvalid/gvalid_register.go

@@ -30,6 +30,9 @@ type RuleFuncInput struct {
 	// Field specifies the field for this rule to validate.
 	Field string
 
+	// ValueType specifies the type of the value, which might be nil.
+	ValueType reflect.Type
+
 	// Value specifies the value for this rule to validate.
 	Value *gvar.Var
 

util/gvalid/gvalid_validator.go

@@ -75,12 +75,13 @@ func (v *Validator) Run(ctx context.Context) Error {
 	}
 
 	return v.doCheckValue(ctx, doCheckValueInput{
-		Name:     "",
-		Value:    v.data,
-		Rule:     gconv.String(v.rules),
-		Messages: v.messages,
-		DataRaw:  v.assoc,
-		DataMap:  gconv.Map(v.assoc),
+		Name:      "",
+		Value:     v.data,
+		ValueType: reflect.TypeOf(v.data),
+		Rule:      gconv.String(v.rules),
+		Messages:  v.messages,
+		DataRaw:   v.assoc,
+		DataMap:   gconv.Map(v.assoc),
 	})
 }
 

util/gvalid/gvalid_validator_check_map.go

@@ -128,12 +128,13 @@ func (v *Validator) doCheckMap(ctx context.Context, params interface{}) Error {
 		}
 		// It checks each rule and its value in loop.
 		if validatedError := v.doCheckValue(ctx, doCheckValueInput{
-			Name:     checkRuleItem.Name,
-			Value:    value,
-			Rule:     checkRuleItem.Rule,
-			Messages: customMessage[checkRuleItem.Name],
-			DataRaw:  params,
-			DataMap:  inputParamMap,
+			Name:      checkRuleItem.Name,
+			Value:     value,
+			ValueType: reflect.TypeOf(value),
+			Rule:      checkRuleItem.Rule,
+			Messages:  customMessage[checkRuleItem.Name],
+			DataRaw:   params,
+			DataMap:   inputParamMap,
 		}); validatedError != nil {
 			_, errorItem := validatedError.FirstItem()
 			// ===========================================================

util/gvalid/gvalid_validator_check_struct.go

@@ -51,7 +51,7 @@ func (v *Validator) doCheckStruct(ctx context.Context, object interface{}) Error
 		checkRules     = make([]fieldRule, 0)
 		nameToRuleMap  = make(map[string]string) // just for internally searching index purpose.
 		customMessage  = make(CustomMsg)         // Custom rule error message map.
-		checkValueData = v.assoc                 // Ready to be validated data, which can be type of .
+		checkValueData = v.assoc                 // Ready to be validated data.
 	)
 	if checkValueData == nil {
 		checkValueData = object
@@ -181,6 +181,7 @@ func (v *Validator) doCheckStruct(ctx context.Context, object interface{}) Error
 					Rule:      rule,
 					IsMeta:    isMeta,
 					FieldKind: field.OriginalKind(),
+					FieldType: field.Type(),
 				})
 			}
 		} else {
@@ -302,12 +303,13 @@ func (v *Validator) doCheckStruct(ctx context.Context, object interface{}) Error
 		}
 		// It checks each rule and its value in loop.
 		if validatedError := v.doCheckValue(ctx, doCheckValueInput{
-			Name:     checkRuleItem.Name,
-			Value:    value,
-			Rule:     checkRuleItem.Rule,
-			Messages: customMessage[checkRuleItem.Name],
-			DataRaw:  checkValueData,
-			DataMap:  inputParamMap,
+			Name:      checkRuleItem.Name,
+			Value:     value,
+			ValueType: checkRuleItem.FieldType,
+			Rule:      checkRuleItem.Rule,
+			Messages:  customMessage[checkRuleItem.Name],
+			DataRaw:   checkValueData,
+			DataMap:   inputParamMap,
 		}); validatedError != nil {
 			_, errorItem := validatedError.FirstItem()
 			// ============================================================

util/gvalid/gvalid_validator_check_value.go

@@ -23,12 +23,13 @@ import (
 )
 
 type doCheckValueInput struct {
-	Name     string                 // Name specifies the name of parameter `value`.
-	Value    interface{}            // Value specifies the value for the rules to be validated.
-	Rule     string                 // Rule specifies the validation rules string, like "required", "required|between:1,100", etc.
-	Messages interface{}            // Messages specifies the custom error messages for this rule from parameters input, which is usually type of map/slice.
-	DataRaw  interface{}            // DataRaw specifies the `raw data` which is passed to the Validator. It might be type of map/struct or a nil value.
-	DataMap  map[string]interface{} // DataMap specifies the map that is converted from `dataRaw`. It is usually used internally
+	Name      string                 // Name specifies the name of parameter `value`.
+	Value     interface{}            // Value specifies the value for the rules to be validated.
+	ValueType reflect.Type           // ValueType specifies the type of the value, mainly used for value type id retrieving.
+	Rule      string                 // Rule specifies the validation rules string, like "required", "required|between:1,100", etc.
+	Messages  interface{}            // Messages specifies the custom error messages for this rule from parameters input, which is usually type of map/slice.
+	DataRaw   interface{}            // DataRaw specifies the `raw data` which is passed to the Validator. It might be type of map/struct or a nil value.
+	DataMap   map[string]interface{} // DataMap specifies the map that is converted from `dataRaw`. It is usually used internally
 }
 
 // doCheckValue does the really rules validation for single key-value.
@@ -146,11 +147,12 @@ func (v *Validator) doCheckValue(ctx context.Context, in doCheckValueInput) Erro
 			// Custom validation rules.
 			case customRuleFunc != nil:
 				err = customRuleFunc(ctx, RuleFuncInput{
-					Rule:    ruleItems[index],
-					Message: message,
-					Field:   in.Name,
-					Value:   gvar.New(value),
-					Data:    gvar.New(in.DataRaw),
+					Rule:      ruleItems[index],
+					Message:   message,
+					Field:     in.Name,
+					ValueType: in.ValueType,
+					Value:     gvar.New(value),
+					Data:      gvar.New(in.DataRaw),
 				})
 
 			// Builtin validation rules.
@@ -159,6 +161,7 @@ func (v *Validator) doCheckValue(ctx context.Context, in doCheckValueInput) Erro
 					RuleKey:     ruleKey,
 					RulePattern: rulePattern,
 					Field:       in.Name,
+					ValueType:   in.ValueType,
 					Value:       gvar.New(value),
 					Data:        gvar.New(in.DataRaw),
 					Message:     message,

util/gvalid/internal/builtin/builtin.go

@@ -11,6 +11,8 @@
 package builtin
 
 import (
+	"reflect"
+
 	"github.com/gogf/gf/v2/container/gvar"
 )
 
@@ -26,13 +28,14 @@ type Rule interface {
 }
 
 type RunInput struct {
-	RuleKey     string    // RuleKey is like the "max" in rule "max: 6"
-	RulePattern string    // RulePattern is like "6" in rule:"max:6"
-	Field       string    // The field name of Value.
-	Value       *gvar.Var // Value specifies the value for this rule to validate.
-	Data        *gvar.Var // Data specifies the `data` which is passed to the Validator.
-	Message     string    // Message specifies the custom error message or configured i18n message for this rule.
-	Option      RunOption // Option provides extra configuration for validation rule.
+	RuleKey     string       // RuleKey is like the "max" in rule "max: 6"
+	RulePattern string       // RulePattern is like "6" in rule:"max:6"
+	Field       string       // The field name of Value.
+	ValueType   reflect.Type // ValueType specifies the type of the value, which might be nil.
+	Value       *gvar.Var    // Value specifies the value for this rule to validate.
+	Data        *gvar.Var    // Data specifies the `data` which is passed to the Validator.
+	Message     string       // Message specifies the custom error message or configured i18n message for this rule.
+	Option      RunOption    // Option provides extra configuration for validation rule.
 }
 
 type RunOption struct {

util/gvalid/internal/builtin/builtin_enums.go

@@ -9,12 +9,10 @@ package builtin
 import (
 	"errors"
 	"fmt"
-	"reflect"
 
 	"github.com/gogf/gf/v2/errors/gcode"
 	"github.com/gogf/gf/v2/errors/gerror"
 	"github.com/gogf/gf/v2/internal/json"
-	"github.com/gogf/gf/v2/internal/reflection"
 	"github.com/gogf/gf/v2/text/gstr"
 	"github.com/gogf/gf/v2/util/gconv"
 	"github.com/gogf/gf/v2/util/gtag"
@@ -39,40 +37,42 @@ func (r RuleEnums) Message() string {
 }
 
 func (r RuleEnums) Run(in RunInput) error {
-	originTypeAndKind := reflection.OriginTypeAndKind(in.Data.Val())
-	switch originTypeAndKind.OriginKind {
-	case reflect.Struct:
-		for i := 0; i < originTypeAndKind.OriginType.NumField(); i++ {
-			field := originTypeAndKind.OriginType.Field(i)
-			if in.Field == field.Name {
-				var (
-					typeId   = fmt.Sprintf(`%s.%s`, field.Type.PkgPath(), field.Type.Name())
-					tagEnums = gtag.GetEnumsByType(typeId)
-				)
-				if tagEnums == "" {
-					return gerror.NewCodef(
-						gcode.CodeInvalidOperation,
-						`no enums found for type "%s", missing using command "gf gen enums"?`,
-						typeId,
-					)
-				}
-				var enumsValues = make([]interface{}, 0)
-				if err := json.Unmarshal([]byte(tagEnums), &enumsValues); err != nil {
-					return err
-				}
-				if !gstr.InArray(gconv.Strings(enumsValues), in.Value.String()) {
-					return errors.New(gstr.Replace(
-						in.Message, `{enums}`, tagEnums,
-					))
-				}
-			}
-		}
-
-	default:
+	if in.ValueType == nil {
 		return gerror.NewCode(
+			gcode.CodeInvalidParameter,
+			`value type cannot be empty to use validation rule "enums"`,
+		)
+	}
+	var (
+		pkgPath  = in.ValueType.PkgPath()
+		typeName = in.ValueType.Name()
+	)
+	if pkgPath == "" {
+		return gerror.NewCodef(
+			gcode.CodeInvalidOperation,
+			`no pkg path found for type "%s"`,
+			in.ValueType.String(),
+		)
+	}
+	var (
+		typeId   = fmt.Sprintf(`%s.%s`, pkgPath, typeName)
+		tagEnums = gtag.GetEnumsByType(typeId)
+	)
+	if tagEnums == "" {
+		return gerror.NewCodef(
 			gcode.CodeInvalidOperation,
-			`"enums" validation rule can only be used in struct validation currently`,
+			`no enums found for type "%s", missing using command "gf gen enums"?`,
+			typeId,
 		)
 	}
+	var enumsValues = make([]interface{}, 0)
+	if err := json.Unmarshal([]byte(tagEnums), &enumsValues); err != nil {
+		return err
+	}
+	if !gstr.InArray(gconv.Strings(enumsValues), in.Value.String()) {
+		return errors.New(gstr.Replace(
+			in.Message, `{enums}`, tagEnums,
+		))
+	}
 	return nil
 }