initialize project with basic structure and dependencies

server/api/topics/[id]/generate.post.ts

@@ -0,0 +1,27 @@
+import { db } from "../../../db/index";
+import { topics, lessons } from "../../../db/schema";
+import { eq } from "drizzle-orm";
+import { generateLesson } from "../../../utils/generateLesson";
+
+export default defineEventHandler(async (event) => {
+  const id = getRouterParam(event, "id")!;
+
+  const topic = await db.query.topics.findFirst({ where: eq(topics.id, id) });
+  if (!topic) throw createError({ statusCode: 404, message: "Topic not found" });
+
+  if (topic.status === "ready") {
+    return { status: "ready" };
+  }
+
+  if (topic.status === "generating") {
+    return { status: "generating" };
+  }
+
+  try {
+    await generateLesson(id);
+    return { status: "ready" };
+  } catch (err: any) {
+    console.error(`[generate.post] topic ${id} failed: ${err?.message ?? err}`);
+    return { status: "error" };
+  }
+});

server/api/topics/[id]/lesson.get.ts

@@ -14,5 +14,6 @@ export default defineEventHandler(async (event) => {
   return {
     ...lesson,
     content: JSON.parse(lesson.content),
+    branchStatus: lesson.branchStatus,
   };
 });