feat: use stream for template migrations (#16700)

server/src/repositories/asset.repository.ts

@@ -23,6 +23,7 @@ import {
 } from 'src/entities/asset.entity';
 import { AssetFileType, AssetOrder, AssetStatus, AssetType } from 'src/enum';
 import { AssetSearchOptions, SearchExploreItem, SearchExploreItemSet } from 'src/repositories/search.repository';
+import { StorageAsset } from 'src/types';
 import { anyUuid, asUuid, removeUndefinedKeys, unnest } from 'src/utils/database';
 import { globToSqlPattern } from 'src/utils/misc';
 import { Paginated, PaginationOptions, paginationHelper } from 'src/utils/pagination';
@@ -604,6 +605,38 @@ export class AssetRepository {
       .executeTakeFirst() as Promise<AssetEntity | undefined>;
   }
 
+  private storageTemplateAssetQuery() {
+    return this.db
+      .selectFrom('assets')
+      .innerJoin('exif', 'assets.id', 'exif.assetId')
+      .select([
+        'assets.id',
+        'assets.ownerId',
+        'assets.type',
+        'assets.checksum',
+        'assets.originalPath',
+        'assets.isExternal',
+        'assets.sidecarPath',
+        'assets.originalFileName',
+        'assets.livePhotoVideoId',
+        'assets.fileCreatedAt',
+        'exif.timeZone',
+        'exif.fileSizeInByte',
+      ])
+      .where('assets.deletedAt', 'is', null)
+      .where('assets.fileCreatedAt', 'is not', null);
+  }
+
+  getStorageTemplateAsset(id: string): Promise<StorageAsset | undefined> {
+    return this.storageTemplateAssetQuery().where('assets.id', '=', id).executeTakeFirst() as Promise<
+      StorageAsset | undefined
+    >;
+  }
+
+  streamStorageTemplateAssets() {
+    return this.storageTemplateAssetQuery().stream() as AsyncIterableIterator<StorageAsset>;
+  }
+
   @GenerateSql(
     ...Object.values(WithProperty).map((property) => ({
       name: property,