some more tests

nextjs/src/services/fileStorage/quizFileStorageService.ts

@@ -7,32 +7,53 @@ import path from "path";
 import { basePath, directoryOrFileExists } from "./utils/fileSystemUtils";
 import { promises as fs } from "fs";
 
-export const quizFileStorageService = {
-  async getQuizNames(courseName: string, moduleName: string) {
-    const filePath = path.join(basePath, courseName, moduleName, "quizzes");
-    if (!(await directoryOrFileExists(filePath))) {
-      console.log(
-        `Error loading course by name, quiz folder does not exist in ${filePath}`
-      );
-      await fs.mkdir(filePath);
-    }
+const getQuizNames = async (courseName: string, moduleName: string) => {
+  const filePath = path.join(basePath, courseName, moduleName, "quizzes");
+  if (!(await directoryOrFileExists(filePath))) {
+    console.log(
+      `Error loading course by name, quiz folder does not exist in ${filePath}`
+    );
+    await fs.mkdir(filePath);
+  }
 
-    const files = await fs.readdir(filePath);
-    return files.map((f) => f.replace(/\.md$/, ""));
-  },
-  async getQuiz(courseName: string, moduleName: string, quizName: string) {
-    const filePath = path.join(
-      basePath,
-      courseName,
-      moduleName,
-      "quizzes",
-      quizName + ".md"
-    );
-    const rawFile = (await fs.readFile(filePath, "utf-8")).replace(
-      /\r\n/g,
-      "\n"
-    );
-    return localQuizMarkdownUtils.parseMarkdown(rawFile);
+  const files = await fs.readdir(filePath);
+  return files.map((f) => f.replace(/\.md$/, ""));
+};
+
+const getQuiz = async (
+  courseName: string,
+  moduleName: string,
+  quizName: string
+) => {
+  const filePath = path.join(
+    basePath,
+    courseName,
+    moduleName,
+    "quizzes",
+    quizName + ".md"
+  );
+  const rawFile = (await fs.readFile(filePath, "utf-8")).replace(/\r\n/g, "\n");
+  return localQuizMarkdownUtils.parseMarkdown(rawFile);
+};
+
+export const quizFileStorageService = {
+  getQuizNames,
+  getQuiz,
+  async getQuizzes(courseName: string, moduleName: string) {
+    const fileNames = await getQuizNames(courseName, moduleName);
+    const quizzes = (
+      await Promise.all(
+        fileNames.map(async (name) => {
+          try {
+            return await getQuiz(courseName, moduleName, name);
+          } catch {
+            return null;
+          }
+        })
+      )
+    ).filter((a) => a !== null);
+
+    return quizzes;
   },
 
   async updateQuiz(
@@ -72,6 +93,6 @@ export const quizFileStorageService = {
       quizName + ".md"
     );
     console.log("removing quiz", filePath);
-    await fs.unlink(filePath)
-  }
+    await fs.unlink(filePath);
+  },
 };