starting lecture

nextjs/src/services/fileStorage/lectureFileStorageService.ts

@@ -0,0 +1,62 @@
+"use server";
+import path from "path";
+import { basePath } from "./utils/fileSystemUtils";
+import fs from "fs/promises";
+import { Lecture } from "@/models/local/lecture";
+import { extractLabelValue } from "@/models/local/assignment/utils/markdownUtils";
+
+export async function getLectures(courseName: string) {
+  const courseLectureRoot = path.join(basePath, courseName, "lectures");
+  if (!(await directoryExists(courseLectureRoot))) {
+    return [];
+  }
+
+  const entries = await fs.readdir(courseLectureRoot, { withFileTypes: true });
+  const lectureWeekFolders = entries
+    .filter((entry) => entry.isDirectory())
+    .map((entry) => entry.name);
+
+  const lecturesByWeek = await Promise.all(
+    lectureWeekFolders.map(async (weekName) => {
+      const weekBasePath = path.join(courseLectureRoot, weekName);
+      const fileNames = await fs.readdir(weekBasePath);
+      const lectures = await Promise.all(
+        fileNames.map(async (fileName) => {
+          const filePath = path.join(weekBasePath, fileName);
+          const fileContent = await fs.readFile(filePath, "utf-8");
+          const lecture = parseLecture(fileContent);
+          return lecture;
+        })
+      );
+
+      return {
+        weekName,
+        lectures,
+      };
+    })
+  );
+  return lecturesByWeek;
+}
+
+function parseLecture(fileContent: string): Lecture {
+  const settings = fileContent.split("---\n")[0];
+  const name = extractLabelValue(settings, "Name");
+  const date = extractLabelValue(settings, "Date");
+
+  const content = fileContent.split("---\n")[1].trim();
+
+  return {
+    name,
+    date,
+    content,
+  };
+}
+
+const directoryExists = async (path: string): Promise<boolean> => {
+  try {
+    const stat = await fs.stat(path);
+    return stat.isDirectory();
+  } catch {
+    return false;
+  }
+};

nextjs/src/services/fileStorage/moduleFileStorageService.ts

@@ -14,7 +14,9 @@ export const moduleFileStorageService = {
       .map((dirent) => dirent.name);
 
     const modules = await Promise.all(modulePromises);
-    return modules.sort((a, b) => a.localeCompare(b));
+    return modules
+      .filter((m) => m !== "lectures")
+      .sort((a, b) => a.localeCompare(b));
   },
   async createModule(courseName: string, moduleName: string) {
     const courseDirectory = path.join(basePath, courseName);