chore: update user setting validator

api/user_setting.go

@@ -1,5 +1,10 @@
 package api
 
+import (
+	"encoding/json"
+	"fmt"
+)
+
 type UserSettingKey string
 
 const (
@@ -20,6 +25,11 @@ func (key UserSettingKey) String() string {
 	return ""
 }
 
+var (
+	UserSettingLocaleValue         = []string{"en", "zh"}
+	UserSettingMemoVisibilityValue = []Visibility{Privite, Protected, Public}
+)
+
 type UserSetting struct {
 	UserID int
 	Key    UserSettingKey `json:"key"`
@@ -33,6 +43,48 @@ type UserSettingUpsert struct {
 	Value  string         `json:"value"`
 }
 
+func (upsert UserSettingUpsert) Validate() error {
+	if upsert.Key == UserSettingLocaleKey {
+		var localeValue string
+		err := json.Unmarshal([]byte(upsert.Value), &localeValue)
+		if err != nil {
+			return fmt.Errorf("failed to unmarshal user setting locale value")
+		}
+
+		invalid := true
+		for _, value := range UserSettingLocaleValue {
+			if localeValue == value {
+				invalid = false
+				break
+			}
+		}
+		if invalid {
+			return fmt.Errorf("invalid user setting locale value")
+		}
+	} else if upsert.Key == UserSettingMemoVisibilityKey {
+		var memoVisibilityValue Visibility
+		err := json.Unmarshal([]byte(upsert.Value), &memoVisibilityValue)
+		if err != nil {
+			return fmt.Errorf("failed to unmarshal user setting memo visibility value")
+		}
+
+		invalid := true
+		for _, value := range UserSettingMemoVisibilityValue {
+			if memoVisibilityValue == value {
+				invalid = false
+				break
+			}
+		}
+		if invalid {
+			return fmt.Errorf("invalid user setting memo visibility value")
+		}
+	} else {
+		return fmt.Errorf("invalid user setting key")
+	}
+
+	return nil
+}
+
 type UserSettingFind struct {
 	UserID int