OZG-4097 send-attachment: Cleanup service

src/main/java/de/ozgcloud/nachrichten/postfach/osiv2/transfer/Osi2QuarantineService.java

@@ -45,11 +45,6 @@ public class Osi2QuarantineService {
 		}
 	}
 
-	void tryUploadSortedFiles(List<Osi2FileUpload> sortedUploadFiles) {
-		uploadFilesToQuarantine(sortedUploadFiles);
-		waitForVirusScan(sortedUploadFiles);
-	}
-
 	List<Osi2FileUpload> deriveSortedUploadFiles(List<OzgCloudFile> ozgCloudFiles) {
 		return ozgCloudFiles.stream()
 				.sorted(Comparator.comparing(OzgCloudFile::getSize).reversed())
@@ -57,6 +52,11 @@ public class Osi2QuarantineService {
 				.toList();
 	}
 
+	void tryUploadSortedFiles(List<Osi2FileUpload> sortedUploadFiles) {
+		uploadFilesToQuarantine(sortedUploadFiles);
+		waitForVirusScan(sortedUploadFiles);
+	}
+
 	void uploadFilesToQuarantine(List<Osi2FileUpload> uploads) {
 		uploads.forEach(this::uploadFileToQuarantine);
 	}
@@ -91,6 +91,12 @@ public class Osi2QuarantineService {
 				.build();
 	}
 
+	void waitForVirusScan(List<Osi2FileUpload> osi2FileMetadata) {
+		if (!waitUntil(() -> checkVirusScanCompleted(osi2FileMetadata), POLLING_INTERVAL, POLLING_TIMEOUT)) {
+			throw new Osi2RuntimeException("Expect the scan to complete after %d seconds!".formatted(POLLING_TIMEOUT.getSeconds()));
+		}
+	}
+
 	synchronized boolean checkVirusScanCompleted(List<Osi2FileUpload> osi2FileMetadata) {
 		return osi2FileMetadata.stream()
 				.allMatch(this::checkOneVirusScanCompleted);
@@ -104,12 +110,6 @@ public class Osi2QuarantineService {
 		}
 	}
 
-	void waitForVirusScan(List<Osi2FileUpload> osi2FileMetadata) {
-		if (!waitUntil(() -> checkVirusScanCompleted(osi2FileMetadata), POLLING_INTERVAL, POLLING_TIMEOUT)) {
-			throw new Osi2RuntimeException("Expect the scan to complete after %d seconds!".formatted(POLLING_TIMEOUT.getSeconds()));
-		}
-	}
-
 	void deleteAttachments(List<Osi2FileUpload> uploads) {
 		uploads.stream()
 				.map(Osi2FileUpload::guid)