From b65297523cb7195799857807f1377d45b034c522 Mon Sep 17 00:00:00 2001
From: Philip Molares <philip.molares@udo.edu>
Date: Thu, 1 Apr 2021 01:18:24 +0200
Subject: [PATCH] MediaService: Add removeNoteFromMediaUpload method

This method replaces the associated note of a media upload with null.

Signed-off-by: Philip Molares <philip.molares@udo.edu>
---
 src/media/media.service.spec.ts | 23 +++++++++++++++++++++++
 src/media/media.service.ts      | 14 ++++++++++++++
 2 files changed, 37 insertions(+)

diff --git a/src/media/media.service.spec.ts b/src/media/media.service.spec.ts
index e7acf22b0..8664ab8a7 100644
--- a/src/media/media.service.spec.ts
+++ b/src/media/media.service.spec.ts
@@ -265,4 +265,27 @@ describe('MediaService', () => {
       });
     });
   });
+
+  describe('removeNoteFromMediaUpload', () => {
+    it('works', async () => {
+      const mockMediaUploadEntry = {
+        id: 'testMediaUpload',
+        backendData: 'testBackendData',
+        note: {
+          alias: 'test',
+        } as Note,
+        user: {
+          userName: 'hardcoded',
+        } as User,
+      } as MediaUpload;
+      jest
+        .spyOn(mediaRepo, 'save')
+        .mockImplementationOnce(async (entry: MediaUpload) => {
+          expect(entry.note).toBeNull();
+          return entry;
+        });
+      await service.removeNoteFromMediaUpload(mockMediaUploadEntry);
+      expect(mediaRepo.save).toHaveBeenCalled();
+    });
+  });
 });
diff --git a/src/media/media.service.ts b/src/media/media.service.ts
index b0a25442d..259c94829 100644
--- a/src/media/media.service.ts
+++ b/src/media/media.service.ts
@@ -176,6 +176,20 @@ export class MediaService {
     return mediaUploads;
   }
 
+  /**
+   * @async
+   * Set the note of a mediaUpload to null
+   * @param {MediaUpload} mediaUpload - the media upload to be changed
+   */
+  async removeNoteFromMediaUpload(mediaUpload: MediaUpload): Promise<void> {
+    this.logger.debug(
+      'Setting note to null for mediaUpload: ' + mediaUpload.id,
+      'removeNoteFromMediaUpload',
+    );
+    mediaUpload.note = null;
+    await this.mediaUploadRepository.save(mediaUpload);
+  }
+
   private chooseBackendType(): BackendType {
     switch (this.mediaConfig.backend.use) {
       case 'filesystem':