Going to try out some OOP/DI patterns and see where that takes me

src/routes/api/users/[userId]/recommendations/+server.ts

@@ -1,49 +1,17 @@
 import type { RequestHandler } from '@sveltejs/kit'
-import { SECRET_INTERNAL_API_KEY } from '$env/static/private'
-import { Jellyfin } from '$lib/services'
-import { YouTubeMusic } from '$lib/service-managers/youtube-music'
+import { Connections } from '$lib/server/connections'
 
 // This is temporary functionally for the sake of developing the app.
 // In the future will implement more robust algorithm for offering recommendations
-export const GET: RequestHandler = async ({ params, fetch }) => {
+export const GET: RequestHandler = async ({ params }) => {
     const userId = params.userId!
 
-    const connectionsResponse = await fetch(`/api/users/${userId}/connections`, { headers: { apikey: SECRET_INTERNAL_API_KEY } })
-    const userConnections = await connectionsResponse.json()
-
     const recommendations: MediaItem[] = []
-
-    for (const connection of userConnections.connections) {
-        const { type, service, tokens } = connection as Connection<serviceType>
-
-        switch (type) {
-            case 'jellyfin':
-                const mostPlayedSongsSearchParams = new URLSearchParams({
-                    SortBy: 'PlayCount',
-                    SortOrder: 'Descending',
-                    IncludeItemTypes: 'Audio',
-                    Recursive: 'true',
-                    limit: '10',
-                })
-
-                const mostPlayedSongsURL = new URL(`/Users/${service.userId}/Items?${mostPlayedSongsSearchParams.toString()}`, service.urlOrigin).href
-                const requestHeaders = new Headers({ Authorization: `MediaBrowser Token="${tokens.accessToken}"` })
-
-                const mostPlayedResponse = await fetch(mostPlayedSongsURL, { headers: requestHeaders })
-                const mostPlayedData = await mostPlayedResponse.json()
-
-                for (const song of mostPlayedData.Items) recommendations.push(Jellyfin.songFactory(song, connection))
-                break
-            case 'youtube-music':
-                const youtubeMusic = new YouTubeMusic(connection)
-                await youtubeMusic
-                    .getHome()
-                    .then(({ listenAgain, quickPicks, newReleases }) => {
-                        for (const mediaItem of listenAgain) recommendations.push(mediaItem)
-                    })
-                    .catch()
-                break
-        }
+    for (const connection of Connections.getUserConnections(userId)) {
+        await connection
+            .getRecommendations()
+            .then((connectionRecommendations) => recommendations.push(...connectionRecommendations))
+            .catch((reason) => console.log(`Failed to fetch recommendations: ${reason}`))
     }
 
     return Response.json({ recommendations })