added limit support for assets import

care/facility/api/viewsets/asset.py

@@ -422,6 +422,14 @@ def bulk_upsert(self, request, *args, **kwargs):
         if "location" not in request.data:
             raise ValidationError({"location": "Location is required"})
 
+        limit = request.data.get("limit", None)
+        if limit is None:
+            limit = float("inf")
+        if len(request.data["assets"]) > limit:
+            raise ValidationError(
+                {"assets": f"Maximum of {limit} assets can be created at once"}
+            )
+
         assets = request.data.get("assets", [])
         location = request.data.get("location")
         errors = []