[ENG-509] Convert existing page to node

apps/obsidian/src/components/CreateNodeModal.tsx

@@ -9,17 +9,21 @@ type CreateNodeFormProps = {
   plugin: DiscourseGraphPlugin;
   onNodeCreate: (nodeType: DiscourseNode, title: string) => Promise<void>;
   onCancel: () => void;
+  initialTitle?: string;
+  initialNodeType?: DiscourseNode;
 };
 
 export function CreateNodeForm({
   nodeTypes,
   plugin,
   onNodeCreate,
   onCancel,
+  initialTitle = "",
+  initialNodeType,
 }: CreateNodeFormProps) {
-  const [title, setTitle] = useState("");
+  const [title, setTitle] = useState(initialTitle);
   const [selectedNodeType, setSelectedNodeType] =
-    useState<DiscourseNode | null>(null);
+    useState<DiscourseNode | null>(initialNodeType || null);
   const [isSubmitting, setIsSubmitting] = useState(false);
   const titleInputRef = useRef<HTMLInputElement>(null);
 
@@ -33,7 +37,7 @@ export function CreateNodeForm({
   const isFormValid = title.trim() && selectedNodeType;
 
   const handleKeyDown = (e: React.KeyboardEvent) => {
-    if (e.key === "Enter" && !e.shiftKey) {
+    if (e.key === "Enter" && !e.shiftKey && isFormValid && !isSubmitting) {
       e.preventDefault();
       handleConfirm();
     } else if (e.key === "Escape") {
@@ -151,6 +155,8 @@ type CreateNodeModalProps = {
   nodeTypes: DiscourseNode[];
   plugin: DiscourseGraphPlugin;
   onNodeCreate: (nodeType: DiscourseNode, title: string) => Promise<void>;
+  initialTitle?: string;
+  initialNodeType?: DiscourseNode;
 };
 
 export class CreateNodeModal extends Modal {
@@ -161,12 +167,16 @@ export class CreateNodeModal extends Modal {
     title: string,
   ) => Promise<void>;
   private root: Root | null = null;
+  private initialTitle?: string;
+  private initialNodeType?: DiscourseNode;
 
   constructor(app: App, props: CreateNodeModalProps) {
     super(app);
     this.nodeTypes = props.nodeTypes;
     this.plugin = props.plugin;
     this.onNodeCreate = props.onNodeCreate;
+    this.initialTitle = props.initialTitle;
+    this.initialNodeType = props.initialNodeType;
   }
 
   onOpen() {
@@ -181,6 +191,8 @@ export class CreateNodeModal extends Modal {
           plugin={this.plugin}
           onNodeCreate={this.onNodeCreate}
           onCancel={() => this.close()}
+          initialTitle={this.initialTitle}
+          initialNodeType={this.initialNodeType}
         />
       </StrictMode>,
     );

apps/obsidian/src/index.ts

@@ -1,11 +1,15 @@
-import { Plugin, Editor, Menu } from "obsidian";
+import { Plugin, Editor, Menu, TFile, Events } from "obsidian";
 import { SettingsTab } from "~/components/Settings";
 import { Settings } from "~/types";
 import { registerCommands } from "~/utils/registerCommands";
 import { DiscourseContextView } from "~/components/DiscourseContextView";
 import { VIEW_TYPE_DISCOURSE_CONTEXT } from "~/types";
-import { createDiscourseNode } from "~/utils/createNode";
+import {
+  convertPageToDiscourseNode,
+  createDiscourseNode,
+} from "~/utils/createNode";
 import { DEFAULT_SETTINGS } from "~/constants";
+import { CreateNodeModal } from "~/components/CreateNodeModal";
 
 export default class DiscourseGraphPlugin extends Plugin {
   settings: Settings = { ...DEFAULT_SETTINGS };
@@ -28,6 +32,52 @@ export default class DiscourseGraphPlugin extends Plugin {
     // Initialize frontmatter CSS
     this.updateFrontmatterStyles();
 
+    this.registerEvent(
+      // @ts-ignore - file-menu event exists but is not in the type definitions
+      this.app.workspace.on("file-menu", (menu: Menu, file: TFile) => {
+        const fileCache = this.app.metadataCache.getFileCache(file);
+        const fileNodeType = fileCache?.frontmatter?.nodeTypeId;
+
+        if (
+          !fileNodeType ||
+          !this.settings.nodeTypes.some(
+            (nodeType) => nodeType.id === fileNodeType,
+          )
+        ) {
+          menu.addItem((menuItem) => {
+            menuItem.setTitle("Convert into");
+            menuItem.setIcon("file-type");
+
+            // @ts-ignore - setSubmenu is not officially in the API but works
+            const submenu = menuItem.setSubmenu();
+
+            this.settings.nodeTypes.forEach((nodeType) => {
+              submenu.addItem((item: any) => {
+                item
+                  .setTitle(nodeType.name)
+                  .setIcon("file-type")
+                  .onClick(() => {
+                    new CreateNodeModal(this.app, {
+                      nodeTypes: this.settings.nodeTypes,
+                      plugin: this,
+                      initialTitle: file.basename,
+                      initialNodeType: nodeType,
+                      onNodeCreate: async (nodeType, title) => {
+                        await convertPageToDiscourseNode({
+                          plugin: this,
+                          file,
+                          nodeType,
+                        });
+                      },
+                    }).open();
+                  });
+              });
+            });
+          });
+        }
+      }),
+    );
+
     this.registerEvent(
       this.app.workspace.on("editor-menu", (menu: Menu, editor: Editor) => {
         if (!editor.getSelection()) return;

apps/obsidian/src/utils/createNode.ts

@@ -139,3 +139,46 @@ export const createDiscourseNode = async ({
 
   return newFile;
 };
+
+export const convertPageToDiscourseNode = async ({
+  plugin,
+  file,
+  nodeType,
+}: {
+  plugin: DiscourseGraphPlugin;
+  file: TFile;
+  nodeType: DiscourseNode;
+}): Promise<void> => {
+  try {
+    const formattedNodeName = formatNodeName(file.basename, nodeType);
+    if (!formattedNodeName) {
+      new Notice("Failed to format node name", 3000);
+      return;
+    }
+
+    const isFilenameValid = checkInvalidChars(formattedNodeName);
+    if (!isFilenameValid.isValid) {
+      new Notice(`${isFilenameValid.error}`, 5000);
+      return;
+    }
+
+    await plugin.app.fileManager.processFrontMatter(file, (fm) => {
+      fm.nodeTypeId = nodeType.id;
+    });
+
+      const dirPath = file.parent?.path ?? "";
+      const newPath = dirPath
+        ? `${dirPath}/${formattedNodeName}.md`
+        : `${formattedNodeName}.md`;
+      await plugin.app.fileManager.renameFile(file, newPath);
+
+
+    new Notice("Converted page to discourse node", 10000);
+  } catch (error) {
+    console.error("Error converting to discourse node:", error);
+    new Notice(
+      `Error converting to discourse node: ${error instanceof Error ? error.message : String(error)}`,
+      5000,
+    );
+  }
+};