fix: mobile album sync always triggered when opening the app (#14233)

* fix: mobile album sync always triggered when opening the app

* send lastModifiedAssetTimestamp when get individual album

e2e/src/api/specs/album.e2e-spec.ts

@@ -141,6 +141,7 @@ describe('/albums', () => {
       expect(body).toEqual({
         ...user1Albums[0],
         assets: [expect.objectContaining({ isFavorite: false })],
+        lastModifiedAssetTimestamp: expect.any(String),
       });
     });
 
@@ -297,6 +298,7 @@ describe('/albums', () => {
       expect(body).toEqual({
         ...user1Albums[0],
         assets: [expect.objectContaining({ id: user1Albums[0].assets[0].id })],
+        lastModifiedAssetTimestamp: expect.any(String),
       });
     });
 
@@ -327,6 +329,7 @@ describe('/albums', () => {
       expect(body).toEqual({
         ...user1Albums[0],
         assets: [expect.objectContaining({ id: user1Albums[0].assets[0].id })],
+        lastModifiedAssetTimestamp: expect.any(String),
       });
     });
 
@@ -340,6 +343,7 @@ describe('/albums', () => {
         ...user1Albums[0],
         assets: [],
         assetCount: 1,
+        lastModifiedAssetTimestamp: expect.any(String),
       });
     });
   });

server/src/services/album.service.ts

@@ -74,7 +74,7 @@ export class AlbumService extends BaseService {
           startDate: albumMetadata[album.id].startDate,
           endDate: albumMetadata[album.id].endDate,
           assetCount: albumMetadata[album.id].assetCount,
-          lastModifiedAssetTimestamp: lastModifiedAsset?.fileModifiedAt,
+          lastModifiedAssetTimestamp: lastModifiedAsset?.updatedAt,
         };
       }),
     );
@@ -86,12 +86,14 @@ export class AlbumService extends BaseService {
     const withAssets = dto.withoutAssets === undefined ? true : !dto.withoutAssets;
     const album = await this.findOrFail(id, { withAssets });
     const [albumMetadataForIds] = await this.albumRepository.getMetadataForIds([album.id]);
+    const lastModifiedAsset = await this.assetRepository.getLastUpdatedAssetForAlbumId(album.id);
 
     return {
       ...mapAlbum(album, withAssets, auth),
       startDate: albumMetadataForIds.startDate,
       endDate: albumMetadataForIds.endDate,
       assetCount: albumMetadataForIds.assetCount,
+      lastModifiedAssetTimestamp: lastModifiedAsset?.updatedAt,
     };
   }