better lecture ui

nextjs/src/services/fileStorage/lectureFileStorageService.ts

@@ -3,6 +3,7 @@ import path from "path";
 import { basePath } from "./utils/fileSystemUtils";
 import fs from "fs/promises";
 import {
+  getLectureWeekName,
   lectureFolderName,
   lectureToString,
   parseLecture,
@@ -51,19 +52,12 @@ export async function updateLecture(
   lecture: Lecture
 ) {
   const courseLectureRoot = path.join(basePath, courseName, lectureFolderName);
-  const startDate = getDateFromStringOrThrow(
-    courseSettings.startDate,
-    "semester start date in update lecture"
-  );
   const lectureDate = getDateFromStringOrThrow(
     lecture.date,
     "lecture start date in update lecture"
   );
-  const weekNumber = getWeekNumber(startDate, lectureDate)
-    .toString()
-    .padStart(2, "0");
 
-  const weekFolderName = `week-${weekNumber}`;
+  const weekFolderName = getLectureWeekName(courseSettings.startDate, lecture.date);
   const weekPath = path.join(courseLectureRoot, weekFolderName);
   if (!(await directoryExists(weekPath))) {
     await fs.mkdir(weekPath, { recursive: true });

nextjs/src/services/fileStorage/utils/lectureUtils.ts

@@ -1,5 +1,7 @@
+import { getWeekNumber } from "@/app/course/[courseName]/calendar/calendarMonthUtils";
 import { extractLabelValue } from "@/models/local/assignment/utils/markdownUtils";
 import { Lecture } from "@/models/local/lecture";
+import { getDateFromStringOrThrow } from "@/models/local/timeUtils";
 
 export function parseLecture(fileContent: string): Lecture {
   try {
@@ -27,4 +29,21 @@ Date: ${lecture.date}
 ${lecture.content}`;
 }
 
-export const lectureFolderName = "00 - lectures"
+export const lectureFolderName = "00 - lectures";
+
+export function getLectureWeekName(semesterStart: string, lectureDate: string) {
+  const startDate = getDateFromStringOrThrow(
+    semesterStart,
+    "semester start date in update lecture"
+  );
+  const targetDate = getDateFromStringOrThrow(
+    lectureDate,
+    "lecture start date in update lecture"
+  );
+  const weekNumber = getWeekNumber(startDate, targetDate)
+    .toString()
+    .padStart(2, "0");
+
+  const weekName = `week-${weekNumber}`;
+  return weekName;
+}

nextjs/src/services/urlUtils.ts

@@ -21,6 +21,9 @@ export function getLectureUrl(courseName: string, lectureDate: string) {
     encodeURIComponent(lectureDate)
   );
 }
+export function getLecturePreviewUrl(courseName: string, lectureDate: string) {
+  return getLectureUrl(courseName, lectureDate) + "/preview";
+}
 
 export function getCourseUrl(courseName: string) {
   return "/course/" + encodeURIComponent(courseName);