Refactor dataset as suggested by co-pilot

Author: j-maynard

src/controllers/dataset.ts

@@ -538,13 +538,20 @@ export const updateSources = async (req: Request, res: Response, next: NextFunct
     }
   }
 
-  const build = await BuildLog.startBuild(revision, CubeBuildType.FullCube, userId);
+
 
   const updatedDataset = await DatasetRepository.getById(dataset.id);
-  res.json({
-    dataset: DatasetDTO.fromDataset(updatedDataset),
-    build_id: build.id
-  });
+  const build = await BuildLog.startBuild(revision, CubeBuildType.FullCube, userId);
+
+  try {
+    res.status(202);
+    res.json({
+      dataset: DatasetDTO.fromDataset(updatedDataset),
+      build_id: build.id
+    });
+  } catch (_) {
+    await build.remove();
+  }
 
   void createAllCubeFiles(updatedDataset.id, revision.id, userId, CubeBuildType.FullCube, build).catch((err) => {
     logger.error(err, `Failed to create cube files for build ${build.id}`);