Add translation code.

i18n/generate.go

@@ -0,0 +1,97 @@
+// Copyright 2021 The casbin 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 i18n
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"regexp"
+	"strings"
+
+	"github.com/casbin/casnode/util"
+)
+
+type I18nData map[string]map[string]string
+
+var reI18n *regexp.Regexp
+
+func init() {
+	reI18n, _ = regexp.Compile("i18next.t\\(\"(.*?)\"\\)")
+}
+
+func getAllI18nStrings(fileContent string) []string {
+	res := []string{}
+
+	matches := reI18n.FindAllStringSubmatch(fileContent, -1)
+	if matches == nil {
+		return res
+	}
+
+	for _, match := range matches {
+		res = append(res, match[1])
+	}
+	return res
+}
+
+func getAllJsFilePaths() []string {
+	path := "../web/src"
+
+	res := []string{}
+	err := filepath.Walk(path,
+		func(path string, info os.FileInfo, err error) error {
+			if err != nil {
+				return err
+			}
+
+			if !strings.HasSuffix(info.Name(), ".js") {
+				return nil
+			}
+
+			res = append(res, path)
+			fmt.Println(path, info.Name())
+			return nil
+		})
+	if err != nil {
+		panic(err)
+	}
+
+	return res
+}
+
+func parseToData() *I18nData {
+	allWords := []string{}
+	paths := getAllJsFilePaths()
+	for _, path := range paths {
+		fileContent := util.ReadStringFromPath(path)
+		words := getAllI18nStrings(fileContent)
+		allWords = append(allWords, words...)
+	}
+	fmt.Printf("%v\n", allWords)
+
+	data := I18nData{}
+	for _, word := range allWords {
+		tokens := strings.Split(word, ":")
+		namespace := tokens[0]
+		key := tokens[1]
+
+		if _, ok := data[namespace]; !ok {
+			data[namespace] = map[string]string{}
+		}
+		data[namespace][key] = key
+	}
+
+	return &data
+}

i18n/generate_test.go

@@ -0,0 +1,37 @@
+// Copyright 2021 The casbin 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 i18n
+
+import "testing"
+
+func applyToOtherLanguage(dataEn *I18nData, lang string) {
+	dataOther := readI18nFile(lang)
+	println(dataOther)
+
+	applyData(dataEn, dataOther)
+	writeI18nFile(lang, dataEn)
+}
+
+func TestGenerateI18nStrings(t *testing.T) {
+	dataEn := parseToData()
+	writeI18nFile("en", dataEn)
+
+	applyToOtherLanguage(dataEn, "de")
+	applyToOtherLanguage(dataEn, "fr")
+	applyToOtherLanguage(dataEn, "ja")
+	applyToOtherLanguage(dataEn, "ko")
+	applyToOtherLanguage(dataEn, "ru")
+	applyToOtherLanguage(dataEn, "zh")
+}

i18n/util.go

@@ -0,0 +1,61 @@
+// Copyright 2021 The casbin 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 i18n
+
+import (
+	"fmt"
+
+	"github.com/casbin/casnode/util"
+)
+
+func getI18nFilePath(language string) string {
+	return fmt.Sprintf("../web/src/locales/%s/data.json", language)
+}
+
+func readI18nFile(language string) *I18nData {
+	s := util.ReadStringFromPath(getI18nFilePath(language))
+
+	data := &I18nData{}
+	err := util.JsonToStruct(s, data)
+	if err != nil {
+		panic(err)
+	}
+	return data
+}
+
+func writeI18nFile(language string, data *I18nData) {
+	s := util.StructToJsonFormatted(data)
+	println(s)
+
+	util.WriteStringToPath(s, getI18nFilePath(language))
+}
+
+func applyData(data1 *I18nData, data2 *I18nData) {
+	for namespace, pairs2 := range *data2 {
+		if _, ok := (*data1)[namespace]; !ok {
+			continue
+		}
+
+		pairs1 := (*data1)[namespace]
+
+		for key, value := range pairs2 {
+			if _, ok := pairs1[key]; !ok {
+				continue
+			}
+
+			pairs1[key] = value
+		}
+	}
+}

util/json.go

@@ -17,7 +17,6 @@ package util
 import "encoding/json"
 
 func StructToJson(v interface{}) string {
-	//data, err := json.MarshalIndent(v, "", "  ")
 	data, err := json.Marshal(v)
 	if err != nil {
 		panic(err)
@@ -26,6 +25,15 @@ func StructToJson(v interface{}) string {
 	return string(data)
 }
 
+func StructToJsonFormatted(v interface{}) string {
+	data, err := json.MarshalIndent(v, "", "  ")
+	if err != nil {
+		panic(err)
+	}
+
+	return string(data)
+}
+
 func JsonToStruct(data string, v interface{}) error {
 	return json.Unmarshal([]byte(data), v)
 }

web/src/main/MemberBox.js

@@ -186,7 +186,10 @@ class MemberBox extends React.Component {
                   />
                   <div className="sep10" />
                   {this.state.member?.onlineStatus ? (
-                    <strong className="online"> {i18next.t("ONLINE")} </strong>
+                    <strong className="online">
+                      {" "}
+                      {i18next.t("member:ONLINE")}{" "}
+                    </strong>
                   ) : (
                     ""
                   )}

web/src/main/Tools.js

@@ -99,7 +99,7 @@ export function myUploadFn(param) {
   const errorFn = (response) => {
     // call the erroFn when the upload process failed.
     param.error({
-      msg: i18next.t("Adding image failed"),
+      msg: i18next.t("node:Adding image failed"),
     });
   };
   const successFn = (mdUrl) => {