ADD JobService and UploadService

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

@@ -0,0 +1,45 @@
+package com.ddf.vodsystem.services;
+
+import com.ddf.vodsystem.entities.Job;
+import jakarta.annotation.PostConstruct;
+import org.springframework.stereotype.Service;
+
+import java.util.LinkedList;
+
+@Service
+public class JobService {
+    private LinkedList<Job> jobs = new LinkedList<>();
+
+    public void addJob(Job job) {
+        jobs.add(job);
+    }
+
+    public Job getNextJob() {
+        return jobs.remove();
+    }
+
+    public Job getJob(String uuid){
+        for (Job job : jobs) {
+            if(job.getUuid().equals(uuid)){
+                return job;
+            }
+        }
+        throw new RuntimeException("UUID not found");
+    }
+
+    @PostConstruct
+    public void startProcessingLoop() {
+        Thread thread = new Thread(() -> {
+            while (true) {
+                if (!jobs.isEmpty()) {
+                    Runnable task = getNextJob();
+                    task.run(); // Execute the task
+                }
+
+            }
+        });
+
+        thread.setDaemon(true);
+        thread.start();
+    }
+}