NCBACK-35 add worked logic for save protected files

src/main/java/ru/soune/nocopy/service/file/FileCleanupService.java

@@ -8,6 +8,7 @@ import lombok.extern.slf4j.Slf4j;
 import ru.soune.nocopy.entity.user.ProtectedFileCheck;
 import ru.soune.nocopy.repository.ProtectedFileCheckRepository;
 
+import java.io.File;
 import java.io.IOException;
 import java.nio.file.*;
 import java.nio.file.attribute.BasicFileAttributes;
@@ -15,7 +16,10 @@ import java.time.Instant;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.ZoneId;
+import java.time.temporal.ChronoUnit;
 import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 @Slf4j
 @Component
@@ -35,6 +39,7 @@ public class FileCleanupService {
         log.info("Starting cleanup of expired temporary files");
 
         cleanupOldPeriods();
+        cleanupTempFilesNightly();
 
         Path tempDir = Paths.get(basePath, "temp");
         if (!Files.exists(tempDir)) {
@@ -98,4 +103,50 @@ public class FileCleanupService {
         protectedFileCheckRepository.saveAll(checks);
         log.info("Cleaned up {} old protection usage records", checks.size());
     }
+
+    private void cleanupTempFilesNightly() {
+        log.info("Starting nightly cleanup of temporary files");
+
+        String tempDir = System.getProperty("java.io.tmpdir");
+        Path tempPath = Paths.get(tempDir);
+
+        if (!Files.exists(tempPath)) {
+            return;
+        }
+
+        Instant cutoffTime = Instant.now().minus(24, ChronoUnit.HOURS); // 24 часа
+        int deletedCount = 0;
+
+        try (Stream<Path> files = Files.list(tempPath)) {
+            List<Path> tempFiles = files
+                    .filter(path -> {
+                        String filename = path.getFileName().toString();
+                        return filename.contains("_") &&
+                                !filename.endsWith(".tmp") &&
+                                Files.isRegularFile(path);
+                    })
+                    .collect(Collectors.toList());
+
+            for (Path filePath : tempFiles) {
+                try {
+                    File file = filePath.toFile();
+                    Instant lastModified = Instant.ofEpochMilli(file.lastModified());
+
+                    if (lastModified.isBefore(cutoffTime)) {
+                        boolean deleted = Files.deleteIfExists(filePath);
+                        if (deleted) {
+                            deletedCount++;
+                        }
+                    }
+                } catch (IOException e) {
+                    log.error("Error deleting file: {}", filePath, e);
+                }
+            }
+
+            log.info("Nightly cleanup deleted {} temporary files", deletedCount);
+
+        } catch (IOException e) {
+            log.error("Failed to list temp directory", e);
+        }
+    }
 }