chg: [website] Provide the possibility to the user to set the timesta…

…mp of a sighting (optional).

website/web/api/v1/sighting.py

@@ -218,13 +218,16 @@ def post(self) -> Tuple[ResultType, int]:
         sighting = sighting_ns.payload
         sighting["uuid"] = sighting.get("uuid", str(uuid.uuid4()))
         sighting["vulnerability_lookup_origin"] = local_instance_uuid
-        sighting["creation_timestamp"] = current_time.strftime("%Y-%m-%dT%H:%M:%S.%fZ")
+        if sighting.get("creation_timestamp"):
+            sighting["creation_timestamp"] = sighting["creation_timestamp"]
+        else:
+            sighting["creation_timestamp"] = current_time.strftime("%Y-%m-%dT%H:%M:%S.%fZ")
 
         if (
             Sighting.query.filter(
                 Sighting.vulnerability.ilike(sighting["vulnerability"]),
                 Sighting.source == sighting["source"],
-                func.date(Sighting.creation_timestamp) == func.date(current_time),
+                # func.date(Sighting.creation_timestamp) == func.date(current_time),
             ).count()
             != 0
         ):