populate item isolated to a separate method

Author: eqperes

flask_appbuilder/baseviews.py

@@ -1222,7 +1222,7 @@ def _add(self):
                 item = self.datamodel.obj()
 
                 try:
-                    form.populate_obj(item)
+                    self.populate_item_from_form(form, item, True)
                     self.pre_add(item)
                 except Exception as e:
                     flash(str(e), "danger")
@@ -1266,7 +1266,7 @@ def _edit(self, pk):
                 self.process_form(form, False)
 
                 try:
-                    form.populate_obj(item)
+                    self.populate_item_from_form(form, item, False)
                     self.pre_update(item)
                 except Exception as e:
                     flash(str(e), "danger")
@@ -1380,6 +1380,13 @@ def is_get_mutation_allowed(self) -> bool:
             request.method == "GET" and self.appbuilder.app.extensions.get("csrf")
         )
 
+    def populate_item_from_form(self, form, item, is_created):
+        """
+        Populate the properties of the item to be created or updated based 
+        on the content of the form.
+        """
+        form.populate_obj(item)
+
     def prefill_form(self, form, pk):
         """
         Override this, will be called only if the current action is rendering