fix(desktop): preload static converted courseware bug (#827)

* fix(desktop): preload static converted courseware bug * chore: add comment
netless-io · Jul 29, 2021 · d503568 · d503568
1 parent 7a44a0e
commit d503568
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/desktop/renderer-app/src/utils/CoursewarePreloader.ts b/desktop/renderer-app/src/utils/CoursewarePreloader.ts
@@ -67,8 +67,13 @@ class CoursewarePreloader {
         downloader.once("end", async info => {
             try {
                 await extractZIP(info.filePath, coursewareDir);
-                await copy(tempCoursewareDir, coursewareDir);
-                await remove(tempCoursewareDir);
+                // TODO: the convert service may fail in some cases, which
+                //       results in incorrect zip structure.
+                //       when it occurs, we manually correct it by code below.
+                if (await pathExists(tempCoursewareDir)) {
+                    await copy(tempCoursewareDir, coursewareDir);
+                    await remove(tempCoursewareDir);
+                }
                 await remove(info.filePath);
             } catch (e) {
                 console.error(e);