How did I ever live without interfaces

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

@@ -7,7 +7,7 @@ export const GET: RequestHandler = async ({ params }) => {
     const userId = params.userId as string
 
     const connections = Connections.getUserConnections(userId)
-    return new Response(JSON.stringify(connections))
+    return Response.json(connections)
 }
 
 // This schema should be identical to the Connection Data Type but without the id and userId
@@ -30,7 +30,7 @@ export const POST: RequestHandler = async ({ params, request }) => {
 
     const { service, accessToken } = connection
     const newConnection = Connections.addConnection(userId, service, accessToken)
-    return new Response(JSON.stringify(newConnection))
+    return Response.json(newConnection)
 }
 
 export const DELETE: RequestHandler = async ({ request }) => {

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

@@ -0,0 +1,34 @@
+import type { RequestHandler } from '@sveltejs/kit'
+import { SECRET_INTERNAL_API_KEY } from '$env/static/private'
+
+// This is temporary functionally for the sake of developing the app.
+// In the future will implement more robust algorith for offering recommendations
+export const GET: RequestHandler = async ({ params, fetch }) => {
+    const userId = params.userId as string
+
+    const connectionsResponse = await fetch(`/api/users/${userId}/connections`, { headers: { apikey: SECRET_INTERNAL_API_KEY } })
+    const userConnections: Connection[] = await connectionsResponse.json()
+
+    const recommendations = []
+
+    for (const connection of userConnections) {
+        const { service, accessToken } = connection
+
+        switch (service.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="${accessToken}"` })
+
+                const mostPlayedResponse = await fetch(mostPlayedSongsURL, { headers: requestHeaders })
+                const mostPlayedData = await mostPlayedResponse.json()
+        }
+    }
+}