crud with conditions

static/js/main.js

@@ -13,7 +13,14 @@ function documentReady() {
             openDialog.close();
             window.location.reload();
         } else {
-            document.querySelector("dialog").showModal()
+            const dialog = document.querySelector("dialog")
+            if (iframe.contentWindow.location.href.split("/").pop() === "create") {
+                dialog.className = 'create';
+            } else {
+                dialog.className = 'update';
+            }
+            dialog.showModal()
+
         }
     }
 }