Added saved library API

server/api/user/albums.get.ts

@@ -0,0 +1,33 @@
+import { setResponseStatus } from "h3"
+import { User } from "#server/models/user"
+import { Album } from "#server/models/album"
+import { Track } from "#server/models/track"
+import { defineAuthenticatedEventHandler, requireAuthenticatedUser } from "#server/utils/auth"
+
+export default defineAuthenticatedEventHandler(async (event) => {
+	const authenticatedUser = await requireAuthenticatedUser(event)
+	const user = await User.findById(authenticatedUser._id).select("savedTracks")
+	if (!user) {
+		setResponseStatus(event, 404)
+		return { message: "User not found" }
+	}
+
+	if (!user.savedTracks.length) return []
+
+	const tracks = await Track.find({ _id: { $in: user.savedTracks } }).select("_id album").exec()
+	const albumByTrack = new Map(tracks.map((track: any) => [track._id.toString(), track.album?.toString()]))
+	const albumIds: string[] = []
+	const seen = new Set<string>()
+	for (const savedTrack of user.savedTracks) {
+		const albumId = albumByTrack.get(savedTrack.toString())
+		if (albumId && !seen.has(albumId)) {
+			seen.add(albumId)
+			albumIds.push(albumId)
+		}
+	}
+	if (!albumIds.length) return []
+
+	const albums = await Album.find({ _id: { $in: albumIds } }).populate("artists").populate("genre").exec()
+	const albumsById = new Map(albums.map((album: any) => [album._id.toString(), album]))
+	return albumIds.map((id) => albumsById.get(id)).filter((album) => album != null)
+})