Add canvas interface (#461)

app/(chat)/api/document/route.ts

@@ -0,0 +1,98 @@
+import { auth } from '@/app/(auth)/auth';
+import {
+  deleteDocumentsByIdAfterTimestamp,
+  getDocumentsById,
+  saveDocument,
+} from '@/db/queries';
+
+export async function GET(request: Request) {
+  const { searchParams } = new URL(request.url);
+  const id = searchParams.get('id');
+
+  if (!id) {
+    return new Response('Missing id', { status: 400 });
+  }
+
+  const session = await auth();
+
+  if (!session || !session.user) {
+    return new Response('Unauthorized', { status: 401 });
+  }
+
+  const documents = await getDocumentsById({ id });
+
+  const [document] = documents;
+
+  if (!document) {
+    return new Response('Not Found', { status: 404 });
+  }
+
+  if (document.userId !== session.user.id) {
+    return new Response('Unauthorized', { status: 401 });
+  }
+
+  return Response.json(documents, { status: 200 });
+}
+
+export async function POST(request: Request) {
+  const { searchParams } = new URL(request.url);
+  const id = searchParams.get('id');
+
+  if (!id) {
+    return new Response('Missing id', { status: 400 });
+  }
+
+  const session = await auth();
+
+  if (!session) {
+    return new Response('Unauthorized', { status: 401 });
+  }
+
+  const { content, title }: { content: string; title: string } =
+    await request.json();
+
+  if (session.user && session.user.id) {
+    const document = await saveDocument({
+      id,
+      content,
+      title,
+      userId: session.user.id,
+    });
+
+    return Response.json(document, { status: 200 });
+  } else {
+    return new Response('Unauthorized', { status: 401 });
+  }
+}
+
+export async function PATCH(request: Request) {
+  const { searchParams } = new URL(request.url);
+  const id = searchParams.get('id');
+
+  const { timestamp }: { timestamp: string } = await request.json();
+
+  if (!id) {
+    return new Response('Missing id', { status: 400 });
+  }
+
+  const session = await auth();
+
+  if (!session || !session.user) {
+    return new Response('Unauthorized', { status: 401 });
+  }
+
+  const documents = await getDocumentsById({ id });
+
+  const [document] = documents;
+
+  if (document.userId !== session.user.id) {
+    return new Response('Unauthorized', { status: 401 });
+  }
+
+  await deleteDocumentsByIdAfterTimestamp({
+    id,
+    timestamp: new Date(timestamp),
+  });
+
+  return new Response('Deleted', { status: 200 });
+}