feat(markers): implement marker entity & service

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

@@ -174,7 +174,7 @@ public class ClipService {
         Path file = directoryService.resolvePath(path);
 
         if (!Files.exists(file)) {
-            throw new JobNotFound("Thumbnail file not found");
+            throw new ClipNotFound("Thumbnail file not found");
         }
 
         return new FileSystemResource(file);

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

@@ -0,0 +1,52 @@
+package com.ddf.vodsystem.services;
+
+import com.ddf.vodsystem.entities.Marker;
+import com.ddf.vodsystem.entities.Stream;
+import com.ddf.vodsystem.entities.User;
+import com.ddf.vodsystem.exceptions.NotAuthenticated;
+import com.ddf.vodsystem.exceptions.NotStreaming;
+import com.ddf.vodsystem.repositories.MarkerRepository;
+import org.springframework.stereotype.Service;
+
+import java.time.Instant;
+import java.util.List;
+import java.util.Optional;
+
+@Service
+public class MarkerService {
+
+    private final UserService userService;
+    private final StreamService streamService;
+    private final MarkerRepository markerRepository;
+
+    public MarkerService(UserService userService, StreamService streamService, MarkerRepository markerRepository) {
+        this.userService = userService;
+        this.streamService = streamService;
+        this.markerRepository = markerRepository;
+    }
+
+    public List<Marker> getUserMarkers() {
+        Optional<User> user = userService.getLoggedInUser();
+
+        if (user.isEmpty()) {
+            throw new NotAuthenticated("Must be logged in to get markers");
+        }
+
+        return markerRepository.findByUser(user.get());
+    }
+
+    public Marker create(String message) {
+        Optional<Stream> stream = streamService.getActiveStream();
+
+        if (stream.isEmpty()) {
+            throw new NotStreaming("User must be streaming to mark");
+        }
+
+        Marker marker = new Marker();
+        marker.setStream(stream.get());
+        marker.setUser(stream.get().getUser());
+        marker.setMessage(message);
+        marker.setTimestamp(Instant.now());
+        return markerRepository.saveAndFlush(marker);
+    }
+}