feat: Support uploading roles and permssions via xlsx files. (#1899)

* Support uploading roles and permissions via xlsx file.

* Template xlsx file for uploading users and permissions.

* reformat according to gofumpt.

* fix typo.

object/role_upload.go

@@ -0,0 +1,63 @@
+// Copyright 2023 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 getRoleMap(owner string) map[string]*Role {
+	m := map[string]*Role{}
+
+	roles := GetRoles(owner)
+	for _, role := range roles {
+		m[role.GetId()] = role
+	}
+
+	return m
+}
+
+func UploadRoles(owner string, fileId string) bool {
+	table := xlsx.ReadXlsxFile(fileId)
+
+	oldUserMap := getRoleMap(owner)
+	newRoles := []*Role{}
+	for index, line := range table {
+		if index == 0 || parseLineItem(&line, 0) == "" {
+			continue
+		}
+
+		role := &Role{
+			Owner:       parseLineItem(&line, 0),
+			Name:        parseLineItem(&line, 1),
+			CreatedTime: parseLineItem(&line, 2),
+			DisplayName: parseLineItem(&line, 3),
+
+			Users:     parseListItem(&line, 4),
+			Roles:     parseListItem(&line, 5),
+			Domains:   parseListItem(&line, 6),
+			IsEnabled: parseLineItemBool(&line, 7),
+		}
+
+		if _, ok := oldUserMap[role.GetId()]; !ok {
+			newRoles = append(newRoles, role)
+		}
+	}
+
+	if len(newRoles) == 0 {
+		return false
+	}
+	return AddRolesInBatch(newRoles)
+}