Dropped ytdl, YT audio now fetched with Android Client. Began work on YT Premium support

src/routes/api/search/+server.ts

@@ -2,18 +2,27 @@ import type { RequestHandler } from '@sveltejs/kit'
 import { Connections } from '$lib/server/connections'
 
 export const GET: RequestHandler = async ({ url }) => {
-    const query = url.searchParams.get('query')
-    if (!query) return new Response('Missing query parameter', { status: 400 })
-    const userId = url.searchParams.get('userId')
-    if (!userId) return new Response('Missing userId parameter', { status: 400 })
+    const { query, userId, filter } = Object.fromEntries(url.searchParams) as { [k: string]: string | undefined }
+    if (!(query && userId)) return new Response('Missing search parameter', { status: 400 })
 
-    const searchResults: (Song | Album | Artist | Playlist)[] = []
-    for (const connection of Connections.getUserConnections(userId)) {
-        await connection
-            .search(query)
-            .then((results) => searchResults.push(...results))
-            .catch((reason) => console.error(`Failed to search "${query}" from connection ${connection.id}: ${reason}`))
-    }
+    const userConnections = Connections.getUserConnections(userId)
+    if (!userConnections) return new Response('Invalid user id', { status: 400 })
+
+    let checkedFilter: 'song' | 'album' | 'artist' | 'playlist' | undefined
+    if (filter === 'song' || filter === 'album' || filter === 'artist' || filter === 'playlist') checkedFilter = filter
+
+    const searchResults = (
+        await Promise.all(
+            userConnections.map((connection) =>
+                connection.search(query, checkedFilter).catch((reason) => {
+                    console.error(`Failed to search "${query}" from connection ${connection.id}: ${reason}`)
+                    return undefined
+                }),
+            ),
+        )
+    )
+        .flat()
+        .filter((result): result is Song | Album | Artist | Playlist => result?.id !== undefined)
 
     return Response.json({ searchResults })
 }