Include in addModeledMethods whether the methods are unsaved or not

extensions/ql-vscode/src/common/interface-types.ts

@@ -512,7 +512,11 @@ export interface ShowProgressMessage {
 export interface AddModeledMethodsMessage {
   t: "addModeledMethods";
   modeledMethods: Record<string, ModeledMethod>;
-
+  /**
+   * Are these modeled methods newly generated in some way and not yet
+   * saved in any model file, or are they loaded from an existing model file.
+   */
+  unsaved: boolean;
   /**
    * If true, then any existing modeled methods set to "none" will be
    * overwritten by the new modeled methods. Otherwise, the "none" modeled

extensions/ql-vscode/src/data-extensions-editor/data-extensions-editor-view.ts

@@ -259,6 +259,7 @@ export class DataExtensionsEditorView extends AbstractWebview<
       await this.postMessage({
         t: "addModeledMethods",
         modeledMethods: existingModeledMethods,
+        unsaved: false,
       });
     } catch (e: unknown) {
       void showAndLogErrorMessage(
@@ -387,6 +388,7 @@ export class DataExtensionsEditorView extends AbstractWebview<
           await this.postMessage({
             t: "addModeledMethods",
             modeledMethods: modeledMethodsByName,
+            unsaved: true,
             overrideNone: true,
           });
         },
@@ -481,6 +483,7 @@ export class DataExtensionsEditorView extends AbstractWebview<
     await this.postMessage({
       t: "addModeledMethods",
       modeledMethods: predictedModeledMethods,
+      unsaved: true,
       overrideNone: true,
     });
 

extensions/ql-vscode/src/view/data-extensions-editor/DataExtensionsEditor.tsx

@@ -17,6 +17,7 @@ import { DataExtensionEditorViewState } from "../../data-extensions-editor/share
 import { ModeledMethodsList } from "./ModeledMethodsList";
 import { percentFormatter } from "./formatters";
 import { Mode } from "../../data-extensions-editor/shared/mode";
+import { groupMethods } from "../../data-extensions-editor/shared/sorting";
 
 const DataExtensionsEditorContainer = styled.div`
   margin-top: 1rem;
@@ -107,6 +108,23 @@ export function DataExtensionsEditor({
                 ...filteredOldModeledMethods,
               };
             });
+            if (msg.unsaved) {
+              const affectedExternalApiUsages =
+                externalApiUsagesForModeledMethods(
+                  msg.modeledMethods,
+                  externalApiUsages,
+                );
+              const affectedModelNames = Object.keys(
+                groupMethods(
+                  affectedExternalApiUsages,
+                  viewState?.mode ?? Mode.Application,
+                ),
+              );
+              setUnsavedModels(
+                (oldUnsavedModels) =>
+                  new Set([...oldUnsavedModels, ...affectedModelNames]),
+              );
+            }
             break;
           default:
             assertNever(msg);
@@ -122,7 +140,7 @@ export function DataExtensionsEditor({
     return () => {
       window.removeEventListener("message", listener);
     };
-  }, []);
+  }, [externalApiUsages, viewState?.mode]);
 
   const modeledPercentage = useMemo(
     () => calculateModeledPercentage(externalApiUsages),
@@ -308,3 +326,13 @@ export function DataExtensionsEditor({
     </DataExtensionsEditorContainer>
   );
 }
+
+function externalApiUsagesForModeledMethods(
+  modeledMethods: Record<string, ModeledMethod>,
+  externalApiUsages: ExternalApiUsage[],
+): ExternalApiUsage[] {
+  const signatures = new Set(Object.keys(modeledMethods));
+  return externalApiUsages.filter((externalApiUsage) =>
+    signatures.has(externalApiUsage.signature),
+  );
+}