path

internal/model/user/device.go

@@ -8,6 +8,22 @@ import (
 	"gorm.io/gorm"
 )
 
+const userDeviceUserAgentMaxLength = 255
+
+func normalizeDeviceForStorage(data *Device) {
+	if data == nil {
+		return
+	}
+	data.UserAgent = truncateForColumn(data.UserAgent, userDeviceUserAgentMaxLength)
+}
+
+func truncateForColumn(s string, max int) string {
+	if len(s) <= max {
+		return s
+	}
+	return s[:max]
+}
+
 func (m *customUserModel) FindOneDevice(ctx context.Context, id int64) (*Device, error) {
 	deviceIdKey := fmt.Sprintf("%s%v", cacheUserDeviceIdPrefix, id)
 	var resp Device
@@ -69,6 +85,7 @@ func (m *customUserModel) QueryDeviceListByUserIds(ctx context.Context, userIds
 }
 
 func (m *customUserModel) UpdateDevice(ctx context.Context, data *Device, tx ...*gorm.DB) error {
+	normalizeDeviceForStorage(data)
 	old, err := m.FindOneDevice(ctx, data.Id)
 	if err != nil {
 		return err
@@ -100,6 +117,7 @@ func (m *customUserModel) DeleteDevice(ctx context.Context, id int64, tx ...*gor
 }
 
 func (m *customUserModel) InsertDevice(ctx context.Context, data *Device, tx ...*gorm.DB) error {
+	normalizeDeviceForStorage(data)
 	defer func() {
 		if clearErr := m.ClearDeviceCache(ctx, data); clearErr != nil {
 			// log cache clear error