moving v2 to top level

src/app/course/[courseName]/modules/[moduleName]/page/[pageName]/EditPage.tsx

@@ -0,0 +1,128 @@
+"use client";
+import { MonacoEditor } from "@/components/editor/MonacoEditor";
+import {
+  usePageQuery,
+  useUpdatePageMutation,
+} from "@/hooks/localCourse/pageHooks";
+import { localPageMarkdownUtils } from "@/models/local/page/localCoursePage";
+import { useEffect, useState } from "react";
+import PagePreview from "./PagePreview";
+import { useLocalCourseSettingsQuery } from "@/hooks/localCourse/localCoursesHooks";
+import EditPageButtons from "./EditPageButtons";
+import ClientOnly from "@/components/ClientOnly";
+import { getModuleItemUrl } from "@/services/urlUtils";
+import { useRouter } from "next/navigation";
+import { useCourseContext } from "@/app/course/[courseName]/context/courseContext";
+import { useAuthoritativeUpdates } from "@/app/course/[courseName]/utils/useAuthoritativeUpdates";
+
+export default function EditPage({
+  moduleName,
+  pageName,
+}: {
+  pageName: string;
+  moduleName: string;
+}) {
+  const router = useRouter();
+  const { courseName } = useCourseContext();
+  const [page, { dataUpdatedAt, isFetching }] = usePageQuery(
+    moduleName,
+    pageName
+  );
+  const updatePage = useUpdatePageMutation();
+
+  const { clientIsAuthoritative, text, textUpdate, monacoKey } =
+    useAuthoritativeUpdates({
+      serverUpdatedAt: dataUpdatedAt,
+      startingText: localPageMarkdownUtils.toMarkdown(page),
+    });
+
+  const [error, setError] = useState("");
+  const [settings] = useLocalCourseSettingsQuery();
+
+  useEffect(() => {
+    const delay = 500;
+    const handler = setTimeout(() => {
+      if (isFetching || updatePage.isPending) {
+        console.log("network requests in progress, not updating page");
+        return;
+      }
+
+      try {
+        const updatedPage = localPageMarkdownUtils.parseMarkdown(text);
+        if (
+          localPageMarkdownUtils.toMarkdown(page) !==
+          localPageMarkdownUtils.toMarkdown(updatedPage)
+        ) {
+          if (clientIsAuthoritative) {
+            console.log("updating page");
+            updatePage
+              .mutateAsync({
+                page: updatedPage,
+                moduleName,
+                pageName: updatedPage.name,
+                previousModuleName: moduleName,
+                previousPageName: pageName,
+                courseName,
+              })
+              .then(() => {
+                if (updatedPage.name !== pageName)
+                  router.replace(
+                    getModuleItemUrl(
+                      courseName,
+                      moduleName,
+                      "page",
+                      updatedPage.name
+                    )
+                  );
+              });
+          } else {
+            console.log(
+              "client not authoritative, updating client with server page"
+            );
+            textUpdate(localPageMarkdownUtils.toMarkdown(page), true);
+          }
+        }
+        setError("");
+      } catch (e: any) {
+        setError(e.toString());
+      }
+    }, delay);
+
+    return () => {
+      clearTimeout(handler);
+    };
+  }, [
+    clientIsAuthoritative,
+    courseName,
+    isFetching,
+    moduleName,
+    page,
+    pageName,
+    router,
+    text,
+    textUpdate,
+    updatePage,
+  ]);
+
+  return (
+    <div className="h-full flex flex-col">
+      <div className="columns-2 min-h-0 flex-1">
+        <div className="flex-1 h-full">
+          <MonacoEditor key={monacoKey} value={text} onChange={textUpdate} />
+        </div>
+        <div className="h-full">
+          <div className="text-red-300">{error && error}</div>
+          <div className="h-full overflow-y-auto">
+            <br />
+            <PagePreview page={page} />
+          </div>
+        </div>
+      </div>
+      {settings.canvasId && (
+        <ClientOnly>
+          <EditPageButtons pageName={pageName} moduleName={moduleName} />
+        </ClientOnly>
+      )}
+    </div>
+  );
+}