feat: add group xlsx upload button (#3885)

object/group.go

@@ -181,6 +181,41 @@ func AddGroups(groups []*Group) (bool, error) {
 	return affected != 0, nil
 }
 
+func AddGroupsInBatch(groups []*Group) (bool, error) {
+	if len(groups) == 0 {
+		return false, nil
+	}
+
+	session := ormer.Engine.NewSession()
+	defer session.Close()
+	err := session.Begin()
+	if err != nil {
+		return false, err
+	}
+
+	for _, group := range groups {
+		err = checkGroupName(group.Name)
+		if err != nil {
+			return false, err
+		}
+
+		affected, err := session.Insert(group)
+		if err != nil {
+			return false, err
+		}
+		if affected == 0 {
+			return false, nil
+		}
+	}
+
+	err = session.Commit()
+	if err != nil {
+		return false, err
+	}
+
+	return true, nil
+}
+
 func deleteGroup(group *Group) (bool, error) {
 	affected, err := ormer.Engine.ID(core.PK{group.Owner, group.Name}).Delete(&Group{})
 	if err != nil {

object/group_upload.go

@@ -0,0 +1,61 @@
+// Copyright 2025 The Casdoor Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package object
+
+import (
+	"github.com/casdoor/casdoor/xlsx"
+)
+
+func getGroupMap(owner string) (map[string]*Group, error) {
+	m := map[string]*Group{}
+
+	groups, err := GetGroups(owner)
+	if err != nil {
+		return m, err
+	}
+
+	for _, group := range groups {
+		m[group.GetId()] = group
+	}
+
+	return m, nil
+}
+
+func UploadGroups(owner string, path string) (bool, error) {
+	table := xlsx.ReadXlsxFile(path)
+
+	oldGroupMap, err := getGroupMap(owner)
+	if err != nil {
+		return false, err
+	}
+
+	transGroups, err := StringArrayToStruct[Group](table)
+	if err != nil {
+		return false, err
+	}
+
+	newGroups := []*Group{}
+	for _, group := range transGroups {
+		if _, ok := oldGroupMap[group.GetId()]; !ok {
+			newGroups = append(newGroups, group)
+		}
+	}
+
+	if len(newGroups) == 0 {
+		return false, nil
+	}
+
+	return AddGroupsInBatch(newGroups)
+}

object/user_upload.go

@@ -81,7 +81,7 @@ func UploadUsers(owner string, path string) (bool, error) {
 		return false, err
 	}
 
-	transUsers, err := StringArrayToUser(table)
+	transUsers, err := StringArrayToStruct[User](table)
 	if err != nil {
 		return false, err
 	}

object/user_util.go

@@ -724,14 +724,14 @@ func setReflectAttr[T any](fieldValue *reflect.Value, fieldString string) error
 	return nil
 }
 
-func StringArrayToUser(stringArray [][]string) ([]*User, error) {
+func StringArrayToStruct[T any](stringArray [][]string) ([]*T, error) {
 	fieldNames := stringArray[0]
 	excelMap := []map[string]string{}
-	userFieldMap := map[string]int{}
+	structFieldMap := map[string]int{}
 
-	reflectedUser := reflect.TypeOf(User{})
-	for i := 0; i < reflectedUser.NumField(); i++ {
-		userFieldMap[strings.ToLower(reflectedUser.Field(i).Name)] = i
+	reflectedStruct := reflect.TypeOf(*new(T))
+	for i := 0; i < reflectedStruct.NumField(); i++ {
+		structFieldMap[strings.ToLower(reflectedStruct.Field(i).Name)] = i
 	}
 
 	for idx, field := range stringArray {
@@ -746,22 +746,23 @@ func StringArrayToUser(stringArray [][]string) ([]*User, error) {
 		excelMap = append(excelMap, tempMap)
 	}
 
-	users := []*User{}
+	instances := []*T{}
 	var err error
 
-	for _, u := range excelMap {
-		user := User{}
-		reflectedUser := reflect.ValueOf(&user).Elem()
-		for k, v := range u {
+	for _, m := range excelMap {
+		instance := new(T)
+		reflectedInstance := reflect.ValueOf(instance).Elem()
+
+		for k, v := range m {
 			if v == "" || v == "null" || v == "[]" || v == "{}" {
 				continue
 			}
 			fName := strings.ToLower(strings.ReplaceAll(k, "_", ""))
-			fieldIdx, ok := userFieldMap[fName]
+			fieldIdx, ok := structFieldMap[fName]
 			if !ok {
 				continue
 			}
-			fv := reflectedUser.Field(fieldIdx)
+			fv := reflectedInstance.Field(fieldIdx)
 			if !fv.IsValid() {
 				continue
 			}
@@ -806,8 +807,8 @@ func StringArrayToUser(stringArray [][]string) ([]*User, error) {
 				return nil, err
 			}
 		}
-		users = append(users, &user)
+		instances = append(instances, instance)
 	}
 
-	return users, nil
+	return instances, nil
 }