REFactor storage configuration and introduce DirectoryService for file management

src/main/java/com/ddf/vodsystem/services/DirectoryService.java

@@ -0,0 +1,70 @@
+package com.ddf.vodsystem.services;
+
+import jakarta.annotation.PostConstruct;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
+
+import org.slf4j.Logger;
+
+@Service
+public class DirectoryService {
+
+    private static final Logger logger = org.slf4j.LoggerFactory.getLogger(DirectoryService.class);
+
+    @Value("${storage.outputs}")
+    private String outputDir;
+
+    @Value("${storage.temp.inputs}")
+    private String tempInputsDir;
+
+    @Value("${storage.temp.outputs}")
+    private String tempOutputsDir;
+
+    public File getTempInputFile(String id) {
+        String dir = tempInputsDir + File.separator + id;
+        return new File(dir);
+    }
+
+    public File getTempOutputFile(String id) {
+        String dir = tempOutputsDir + File.separator + id;
+        return new File(dir);
+    }
+
+    public File getOutputFile(String id) {
+        String dir = outputDir + File.separator + id;
+        return new File(dir);
+    }
+
+    public void saveData(File file, MultipartFile multipartFile) {
+        try {
+            Path filePath = Paths.get(file.getAbsolutePath());
+            Files.copy(multipartFile.getInputStream(), filePath, StandardCopyOption.REPLACE_EXISTING);
+        } catch (IOException e) {
+            logger.error(e.getMessage());
+        }
+    }
+
+    public void createDirectory(String dir) throws IOException {
+        // Create the directory if it doesn't exist
+        Path outputPath = Paths.get(dir);
+        if (Files.notExists(outputPath)) {
+            Files.createDirectories(outputPath);
+            logger.info("Created directory: {}", outputPath);
+        }
+    }
+
+    @PostConstruct
+    public void createDirectoriesIfNotExist() throws IOException {
+        createDirectory(tempInputsDir);
+        createDirectory(tempOutputsDir);
+        createDirectory(outputDir);
+    }
+}