Fix bulk-delete for batch rows, allow it for pricing batches

tailbone/views/master.py

@@ -570,6 +570,19 @@ class MasterView(View):
         """
         raise NotImplementedError
 
+    def get_effective_row_data(self, session=None, sort=False, **kwargs):
+        """
+        Convenience method which returns the "effective" data for the row grid,
+        filtered (and optionally sorted) to match what would show on the UI,
+        but not paged.
+        """
+        if session is None:
+            session = self.Session()
+        kwargs.setdefault('pageable', False)
+        kwargs.setdefault('sortable', sort)
+        grid = self.make_row_grid(session=session, **kwargs)
+        return grid.make_visible_data()
+
     @classmethod
     def get_row_route_prefix(cls):
         """