Allow songs to be searched and filtered by genres

back/src/search/search.controller.ts

@@ -39,15 +39,17 @@ export class SearchController {
 	@ApiUnauthorizedResponse({ description: "Invalid token" })
 	async searchSong(
 		@Request() req: any,
-		@Param("query") query: string,
-		@Param("artistId") artistId: number,
-		@Query("include") include: string,
-		@Query("skip", new DefaultValuePipe(0), ParseIntPipe) skip: number,
-		@Query("take", new DefaultValuePipe(20), ParseIntPipe) take: number,
+		@Param('query') query: string,
+		@Query('artistId') artistId: number,
+		@Query('genreId') genreId: number,
+		@Query('include') include: string,
+		@Query('skip', new DefaultValuePipe(0), ParseIntPipe) skip: number,
+		@Query('take', new DefaultValuePipe(20), ParseIntPipe) take: number,
 	): Promise<Song[] | null> {
 		return await this.searchService.searchSong(
 			query,
 			artistId,
+			genreId,
 			mapInclude(include, req, SongController.includableFields),
 			skip,
 			take,

back/src/search/search.service.ts

@@ -15,6 +15,7 @@ export class SearchService {
 	async searchSong(
 		query: string,
 		artistId?: number,
+		genreId?: number,
 		include?: Prisma.SongInclude,
 		skip?: number,
 		take?: number,
@@ -23,6 +24,7 @@ export class SearchService {
 			return await this.prisma.song.findMany({
 				where: {
 					artistId,
+					genreId,
 				},
 				take,
 				skip,
@@ -33,7 +35,10 @@ export class SearchService {
 			await this.search.index("songs").search(query, {
 				limit: take,
 				offset: skip,
-				...(artistId ? { filter: `artistId = ${artistId}` } : {}),
+				filter: [
+					...(artistId ? [`artistId = ${artistId}`] : []),
+					...(genreId ? [`genreId = ${genreId}`] : []),
+				].join(' AND '),
 			})
 		).hits.map((x) => x.id);