Fix pipeline lock serialization

src/api/src/backend/serializers/PipelineLockModelSerializer.py

@@ -7,21 +7,15 @@
 class PipelineLockModelSerializer:
     @staticmethod
     def serialize(model):
-        print(model)
-        print(dir(model))
-        print(vars(model))
-        lock = model_to_dict(model)
-
-        lock["uuid"] = UUIDSerializer.serialize(lock["uuid"])
-        lock["created_at"] = lock["created_at"].strftime(DATETIME_FORMAT)
+        lock = {}
+        lock["uuid"] = UUIDSerializer.serialize(lock.uuid)
+        lock["created_at"] = lock.created_at.strftime(DATETIME_FORMAT)
+        lock["expires_in"] = lock.expires_in
 
-        if lock["acquired_at"] != None:
-            lock["acquired_at"] = lock["acquired_at"].strftime(DATETIME_FORMAT)
+        if lock.acquired_at != None:
+            lock["acquired_at"] = lock.acquired_at.strftime(DATETIME_FORMAT)
 
         lock["pipeline_id"] = model.pipeline.id
-        del lock["pipeline"]
-
         lock["pipeline_run_uuid"] = UUIDSerializer.serialize(model.pipeline_run.uuid)
-        del lock["pipeline_run"]
 
         return lock

src/api/src/backend/views/PipelineLocks.py

@@ -186,6 +186,8 @@ def get(self, request, group_id, pipeline_id, pipeline_lock_uuid=None, *_,  **__
                 id=pipeline_id
             ).prefetch_related(
                 "pipelinelocks"
+                "pipeline__pipeline"
+                "pipelinelocks__pipeline_run"
             ).first()
 
             # Return if BadRequest if no pipeline found