Implement proper "reset" that reads snapshots from database

utils/db.go

@@ -14,6 +14,7 @@ type DB interface {
 	DB() *gorm.DB
 	Raw(sql string, args ...any) *gorm.DB
 	SaveFile(filePath string, fileData []byte) error
+	GetFile(filePath string) ([]byte, error)
 }
 
 type FileSnapshot struct {
@@ -80,3 +81,15 @@ func (db *DBWrapper) SaveFile(filePath string, fileData []byte) error {
 		FileData: fileData,
 	}).Error
 }
+
+func (db *DBWrapper) GetFile(filePath string) ([]byte, error) {
+	log := cylogger.Default.WithPrefix(fmt.Sprintf("GetFile: %q", filePath))
+	log.Debug("Getting file from database")
+	var fileSnapshot FileSnapshot
+	err := db.db.Model(&FileSnapshot{}).Where("file_path = ?", filePath).First(&fileSnapshot).Error
+	if err != nil {
+		return nil, err
+	}
+	log.Debug("File found in database")
+	return fileSnapshot.FileData, nil
+}