list page pt. 2

src/lib/db/client-db/queries.ts

@@ -1,4 +1,4 @@
-import { desc, eq, like } from "drizzle-orm";
+import { desc, eq, inArray, like } from "drizzle-orm";
 import { anime, animeSongLinks, artists, groups, songs } from "$lib/db/schema";
 import type { ClientDb } from "./index";
 
@@ -124,6 +124,53 @@ export async function getAnimeWithSongsByAnnId(db: ClientDb, annId: number) {
 	};
 }
 
+/**
+ * Fetch songs for a list of MAL anime ids.
+ *
+ * This joins `anime` -> `anime_song_links` -> `songs` and includes artist/group name.
+ *
+ * Intended usage: MAL animelist entries give you `node.id` (MAL id); pass those ids here.
+ */
+export async function getSongsForMalAnimeIds(
+	db: ClientDb,
+	malAnimeIds: number[],
+) {
+	const ids = malAnimeIds.filter((n) => Number.isFinite(n));
+	if (ids.length === 0) return [];
+
+	return db
+		.select({
+			annId: anime.annId,
+			malId: anime.malId,
+			animeName: anime.mainName,
+			year: anime.year,
+			seasonId: anime.seasonId,
+
+			annSongId: animeSongLinks.annSongId,
+			type: animeSongLinks.type,
+			number: animeSongLinks.number,
+
+			songName: songs.name,
+			fileName: songs.fileName,
+
+			artistName: artists.name,
+			groupName: groups.name,
+		})
+		.from(anime)
+		.innerJoin(animeSongLinks, eq(animeSongLinks.annId, anime.annId))
+		.innerJoin(songs, eq(songs.annSongId, animeSongLinks.annSongId))
+		.leftJoin(artists, eq(artists.songArtistId, songs.songArtistId))
+		.leftJoin(groups, eq(groups.songGroupId, songs.songGroupId))
+		.where(inArray(anime.malId, ids))
+		.orderBy(
+			desc(anime.year),
+			desc(anime.seasonId),
+			desc(anime.annId),
+			desc(animeSongLinks.type),
+			desc(animeSongLinks.number),
+		);
+}
+
 function clampLimit(limit: number) {
 	const n = Number(limit);
 	if (!Number.isFinite(n)) return DEFAULT_LIST_LIMIT;