product_id to selection

gistfile1.txt

-        if "project_expense_type" in res and "selection" in attributes:
-            self.env.cr.execute(
-                f"""
-SELECT DISTINCT t.project_expense_type
-FROM {self._table} t
-LEFT JOIN product_product p ON p.id = t.project_expense_type
-LEFT JOIN product_template pt ON pt.id = p.product_tmpl_id
-WHERE project_expense_type IS NOT NULL
-                """
-            )
-            get_product_name = lambda x: self.env["product.product"].browse(x).name
-
-            selections = [(x[0], get_product_name(x[0])) for x in self.env.cr.fetchall()]
-            res["project_expense_type"].update(
-                {
-                    "type": "selection",
-                    "selection": selections,
-                }
-            )
-            print(selections)