[BE][Scans] Fixes #35. Rename file when there's an error detecting a QR

backend/src/controller/scans/mod.rs

@@ -212,7 +212,19 @@ fn get_image_info(path: PathBuf) -> ScanInfo {
         Err(reason) => {
             log::error!("Error decoding qr: {:?}", reason);
             // Here there was a problem aligning the QR. Assume no QR
-            return ScanInfo::Empty(current_ms.to_string());
+
+            // Rename the file
+            let mut new_path = path.clone();
+            new_path.set_file_name(format!("eeg_{}.jpg", current_ms));
+
+            return match fs::rename(path, new_path) {
+                Ok(_) => ScanInfo::Empty(current_ms.to_string()),
+                Err(err) => {
+                    log::error!("Error renombrando archivo: {:?}", err);
+
+                    ScanInfo::Error("Error renombrando archivo.".into())
+                }
+            }
         }
     };