feat: refactoring api logic

frontend/src/lib/utils.ts

@@ -0,0 +1,69 @@
+import { parseSong, parseSuggestion, type FetchError, type Song, type Suggestion } from "./types"
+
+export const joinRoom = async function (roomId: string): Promise<[FetchError | null, string]> {
+    let resp = await fetch("/api/join?room=" + roomId)
+
+    if (resp.status != 200) {
+        return [{ code: 400, message: "Cannot join the room" }, ""]
+    }
+
+    return [null, "test"]
+}
+
+export const getSuggestions = async function (roomId: string): Promise<[FetchError | null, Suggestion[]]> {
+    let resp = await fetch("/api/room/suggestions?room=" + roomId)
+
+    if (resp.status != 200) {
+        return [{ code: 400, message: "Failed to retrieve suggestions" }, []]
+    }
+
+    let json = await resp.json()
+    let suggestions: Suggestion[] = []
+
+    json["songs"].forEach(async (i: any) => {
+        suggestions.push(await parseSuggestion(i))
+    })
+
+    suggestions = suggestions.sort((a, b) => {
+        return a.upvote - b.upvote
+    })
+
+    return [null, suggestions]
+}
+
+export const getQueueSongs = async function (roomId: string): Promise<[FetchError | null, Song[], number]> {
+    let resp = await fetch("/api/queue?room=" + roomId)
+    if (resp.status != 200) {
+        return [{ code: 400, message: "Failed to load queue songs" }, [], 0]
+    }
+
+    let json = await resp.json()
+    let songs: Song[] = []
+
+    json["queue"].forEach(async (i: any) => {
+        songs.push(await parseSong(i))
+    })
+
+    let playingId = json["index"]
+
+    return [null, songs, playingId]
+}
+
+export const triggerPlayNext = async function (roomId: string): Promise<[FetchError | null, Song[], number]> {
+    let resp = await fetch("/api/queue/next?room=" + roomId, { method: "POST" })
+
+    if (resp.status != 200) {
+        return [{ code: 400, message: "Failed to trigger next song playback" }, [], 0]
+    }
+
+    let json = await resp.json()
+
+    let songs: Song[] = []
+
+    if (json["ended"]) {
+        json["queue"].forEach(async (i: any) => {
+            songs.push(await parseSong(i))
+        })
+    }
+    return [null, songs, json["index"]]
+}