+ Add initial multi-language support for the backend server.

+ Add language option to config.yaml (currently support en (English), zh (Chinese), ar (Arabic) languages).
+ Update English translation.
+ Add language selection support for init module.
+ Translated history component.
+ Translated setting module.

server/api/v1/system/sys_initdb.go

@@ -30,6 +30,17 @@ func (i *DBApi) InitDB(c *gin.Context) {
 		response.FailWithMessage("参数校验不通过", c)
 		return
 	}
+
+	// added by mohamed hassan to allow multilanguage support
+	if dbInfo.Language != "" {
+		if dbInfo.Language == "en" || dbInfo.Language == "zh" || dbInfo.Language == "ar" {
+			global.GVA_CONFIG.Language = dbInfo.Language // set intial database and system langauge here
+		} else {
+			global.GVA_CONFIG.Language = "en" // set defualt language to initialize database and system to english
+		}
+	}
+	// end of adding
+
 	if err := initDBService.InitDB(dbInfo); err != nil {
 		global.GVA_LOG.Error("自动创建数据库失败!", zap.Error(err))
 		response.FailWithMessage("自动创建数据库失败，请查看后台日志，检查后在进行初始化", c)

server/config.yaml

@@ -203,3 +203,5 @@ cors:
       allow-methods: GET, POST
       expose-headers: Content-Length, Access-Control-Allow-Origin, Access-Control-Allow-Headers, Content-Type
       allow-credentials: true # 布尔值
+# added by mohamed hassan to support multilanguage
+language: ''

server/config/config.go

@@ -27,4 +27,7 @@ type Server struct {
 
 	// 跨域配置
 	Cors CORS `mapstructure:"cors" json:"cors" yaml:"cors"`
+
+	// added by mohamed hassan to support multi-language
+	Language string `mapstructure:"language" json:"language" yaml:"language"`
 }

server/model/system/request/sys_init.go

@@ -13,6 +13,7 @@ type InitDB struct {
 	UserName string `json:"userName" binding:"required"` // 数据库用户名
 	Password string `json:"password"`                    // 数据库密码
 	DBName   string `json:"dbName" binding:"required"`   // 数据库名
+	Language string `json:"language",omitempty`          // DB initial langauge // added by mohamed hassan to support multilanguage
 }
 
 // MysqlEmptyDsn msyql 空数据库 建库链接