restructure the API and update the admin script

api/database/multilang.go

@@ -0,0 +1,58 @@
+package database
+
+import (
+	"encoding/json"
+	"reflect"
+	"strings"
+	"unicode"
+)
+
+type Multilang struct {
+	En string `json:"en"` // english
+	Tr string `json:"tr"` // turkish
+}
+
+func (ml *Multilang) Supports(lang string) bool {
+	ml_ref := reflect.ValueOf(ml).Elem()
+
+	for i := 0; i < reflect.Indirect(ml_ref).NumField(); i++ {
+		if name := reflect.Indirect(ml_ref).Field(i).Type().Name(); strings.ToLower(name) == lang {
+			return true
+		}
+	}
+
+	return false
+}
+
+func (ml *Multilang) Get(lang string) string {
+	r := []rune(lang)
+	r[0] = unicode.ToUpper(r[0])
+	l := string(r)
+
+	ml_ref := reflect.ValueOf(ml)
+	return reflect.Indirect(ml_ref).FieldByName(l).String()
+}
+
+func (ml *Multilang) Empty() bool {
+	ml_ref := reflect.ValueOf(ml)
+
+	for i := 0; i < reflect.Indirect(ml_ref).NumField(); i++ {
+		if field := reflect.Indirect(ml_ref).Field(i); field.String() != "" {
+			return false
+		}
+	}
+
+	return true
+}
+
+func (ml *Multilang) Dump() (string, error) {
+	if data, err := json.Marshal(ml); err != nil {
+		return "", err
+	} else {
+		return string(data), nil
+	}
+}
+
+func (ml *Multilang) Load(s string) error {
+	return json.Unmarshal([]byte(s), ml)
+}