feat: init

apps/web/core/hooks/use-page-fallback.ts

@@ -0,0 +1,56 @@
+import { useCallback, useEffect } from "react";
+// plane editor
+import { getBinaryDataFromDocumentEditorHTMLString } from "@plane/editor";
+import type { EditorRefApi } from "@plane/editor";
+// plane types
+import type { TDocumentPayload } from "@plane/types";
+// hooks
+import useAutoSave from "@/hooks/use-auto-save";
+
+type TArgs = {
+  editorRef: React.RefObject<EditorRefApi>;
+  fetchPageDescription: () => Promise<ArrayBuffer>;
+  hasConnectionFailed: boolean;
+  updatePageDescription: (data: TDocumentPayload) => Promise<void>;
+};
+
+export const usePageFallback = (args: TArgs) => {
+  const { editorRef, fetchPageDescription, hasConnectionFailed, updatePageDescription } = args;
+
+  const handleUpdateDescription = useCallback(async () => {
+    if (!hasConnectionFailed) return;
+    const editor = editorRef.current;
+    if (!editor) return;
+
+    try {
+      const latestEncodedDescription = await fetchPageDescription();
+      let latestDecodedDescription: Uint8Array;
+      if (latestEncodedDescription && latestEncodedDescription.byteLength > 0) {
+        latestDecodedDescription = new Uint8Array(latestEncodedDescription);
+      } else {
+        latestDecodedDescription = getBinaryDataFromDocumentEditorHTMLString("<p></p>");
+      }
+
+      editor.setProviderDocument(latestDecodedDescription);
+      const { binary, html, json } = editor.getDocument();
+      if (!binary || !json) return;
+      const encodedBinary = Buffer.from(binary).toString("base64");
+
+      await updatePageDescription({
+        description_binary: encodedBinary,
+        description_html: html,
+        description: json,
+      });
+    } catch (error) {
+      console.error("Error in updating description using fallback logic:", error);
+    }
+  }, [editorRef, fetchPageDescription, hasConnectionFailed, updatePageDescription]);
+
+  useEffect(() => {
+    if (hasConnectionFailed) {
+      handleUpdateDescription();
+    }
+  }, [handleUpdateDescription, hasConnectionFailed]);
+
+  useAutoSave(handleUpdateDescription);
+};