return distance in response

server/src/dtos/asset-response.dto.ts

@@ -130,6 +130,7 @@ export type MapAsset = {
   tags?: Tag[];
   thumbhash: Buffer<ArrayBufferLike> | null;
   type: AssetType;
+  distance?: number;
 };
 
 export class AssetStackResponseDto {

server/src/dtos/search.dto.ts

@@ -296,12 +296,16 @@ class SearchAlbumResponseDto {
   facets!: SearchFacetResponseDto[];
 }
 
+class AssetSearchResponseDto extends AssetResponseDto {
+  distance?: number;
+}
+
 class SearchAssetResponseDto {
   @ApiProperty({ type: 'integer' })
   total!: number;
   @ApiProperty({ type: 'integer' })
   count!: number;
-  items!: AssetResponseDto[];
+  items!: AssetSearchResponseDto[];
   facets!: SearchFacetResponseDto[];
   nextPage!: string | null;
 }

server/src/repositories/search.repository.ts

@@ -284,8 +284,9 @@ export class SearchRepository {
       await sql`set local vchordrq.probes = ${sql.lit(probes[VectorIndex.Clip])}`.execute(trx);
       const items = await searchAssetBuilder(trx, options)
         .selectAll('asset')
+        .select(sql<number>`smart_search.embedding <=> ${options.embedding}`.as('distance'))
         .innerJoin('smart_search', 'asset.id', 'smart_search.assetId')
-        .orderBy(sql`smart_search.embedding <=> ${options.embedding}`)
+        .orderBy('distance')
         .limit(pagination.size + 1)
         .offset((pagination.page - 1) * pagination.size)
         .execute();

server/src/services/search.service.ts

@@ -198,7 +198,7 @@ export class SearchService extends BaseService {
       assets: {
         total: assets.length,
         count: assets.length,
-        items: assets.map((asset) => mapAsset(asset, options)),
+        items: assets.map((asset) => ({ ...mapAsset(asset, options), distance: asset.distance })),
         facets: [],
         nextPage,
       },