Somewhat functional playback (not really)

src/app.pcss

@@ -50,6 +50,18 @@
 }
  
 @layer base {
+  h1 {
+    @apply text-2xl;
+    @apply font-bold;
+  }
+  h2 {
+    @apply text-xl;
+    @apply font-bold;
+  }
+  h3 {
+    @apply text-lg;
+    @apply font-bold;
+  }
   * {
     @apply border-border;
   }

src/lib/AudioState.svelte.ts

@@ -0,0 +1 @@
+export let audioStore: HTMLAudioElement = $state(new Audio());

src/lib/components/custom/LoadingSpinner.svelte

@@ -0,0 +1,10 @@
+<script>
+import {Circle2} from "svelte-loading-spinners";
+</script>
+
+<Circle2
+        size="40" unit="px"
+        colorOuter="#0892B4" durationOuter="1s"
+        colorCenter="white" durationCenter="3s"
+        colorInner="#9cc1c9" durationInner="2s"
+/>

src/lib/components/custom/PlayerFrame.svelte

@@ -0,0 +1,29 @@
+<svelte:options runes={true} />
+
+<script lang="ts">
+    import {Button} from "$lib/components/ui/button";
+    import {onMount} from "svelte";
+    let { audio, pause, play } = $props();
+    let mounted = $state(false);
+
+    $inspect(audio);
+
+    onMount(() => {
+        mounted = true;
+    })
+</script>
+
+<div class="flex flex-row gap-2">
+    {#if mounted}
+        <p>Paused: {audio.paused}</p>
+        <p>Volume: {audio.volume}</p>
+        <p>Duration: {audio.duration}</p>
+        {#if audio.paused}
+            <Button onclick={play}>Play</Button>
+        {:else}
+            <Button onclick={pause}>Pause</Button>
+        {/if}
+    {:else}
+        <p>Nothing going on here</p>
+    {/if}
+</div>

src/lib/components/custom/QueueFrame.svelte

@@ -0,0 +1,47 @@
+<svelte:options runes={true} />
+
+<script lang="ts">
+    import {Separator} from "$lib/components/ui/separator";
+    import {Button} from "$lib/components/ui/button";
+    import {timeFormat} from "$lib/time-format";
+    import LoadingSpinner from "$lib/components/custom/LoadingSpinner.svelte";
+
+    let { queue = [], fetchQueue, saveQueue, removeSongFromQueue, playSong } = $props();
+    let loading = $state(false);
+
+    async function innerFetchQueue() {
+        loading = true;
+        await fetchQueue()
+        await new Promise(resolve => setTimeout(resolve, 100));
+        loading = false;
+    }
+</script>
+
+{#snippet playerQueue()}
+    {#each queue as song, idx}
+        <p onclick={() => playSong(idx)}>{song.artist} - {song.title} ({timeFormat(song.duration)})<Button onclick={() => removeSongFromQueue(idx)}>X</Button></p>
+    {/each}
+
+    <Button onclick={() => queue.push(queue[0])}>Add</Button>
+{/snippet}
+
+<div class="border border-2 col-span-1 flex flex-col gap-1 p-2">
+    <div class="flex gap-2">
+        <h1>Current Queue</h1>
+        <div class="flex-grow"></div>
+        <Button variant="outline" class="h-8 w-12" onclick={innerFetchQueue}>Fetch</Button>
+        <Button variant="outline" class="h-8 w-12" onclick={saveQueue}>Upload</Button>
+    </div>
+    <Separator />
+    {#if loading}
+        <div class="relative flex flex-col gap-1">
+            <div class="absolute w-full h-full z-40 bg-opacity-60 bg-background flex flex-col items-center justify-center gap-2">
+                <h2>Fetching Play Queue</h2>
+                <LoadingSpinner />
+            </div>
+            {@render playerQueue()}
+        </div>
+    {:else}
+        {@render playerQueue()}
+    {/if}
+</div>

src/lib/opensubsonic.ts

@@ -6,13 +6,40 @@ export module OpenSubsonic {
     export let password = "";
     let token = "";
     let salt = "";
-    export let base = "https://navidrome.neshweb.net";
+    export let base = "https://music.neshweb.net";
     const apiVer = "1.16.1"; // Version supported by Navidrome. Variable for easier updating
     const clientName = "Lytter";
 
-    export function getApiPath(path: string) {
+    export async function get(path: string, parameters: {parameter: string, value: string}[] = []) {
+        const apiPath = getApiUrl(path, parameters);
+        const res = (await fetch(apiPath));
+        if (res.ok) {
+            switch (res.headers.get("content-type")) {
+                case("application/json"): {
+                    return (await res.json())["subsonic-response"];
+                }
+                case("audio/mp4"): {
+                    return res;
+                }
+            }
+        }
+        else {
+            return false;
+        }
+    }
+
+    export function getApiUrl(path: string, parameters: {parameter: string, value: string}[] = []) {
+        let apiPath = generateBasePath(path);
+        parameters.forEach(({parameter, value}) => {
+            apiPath = apiPath + `&${parameter}=${value}`;
+        })
+
+        return apiPath;
+    }
+
+    const generateBasePath = (path: string) => {
         if (username === "") {
-            let cookie = Cookies.get("subsonicUsername");
+            const cookie = Cookies.get("subsonicUsername");
             if (typeof cookie !== "undefined") {
                 username = cookie;
             }
@@ -34,13 +61,13 @@ export module OpenSubsonic {
         return `${base}/rest/${path}?u=${username}&s=${salt}&t=${token}&v=${apiVer}&c=${clientName}&f=json`;
     }
 
-    function generateToken() {
+    const generateToken = () => {
         salt = "staticfornow";
         token = Md5.hashStr(password + salt);
     }
 
     export function storeCredentials() {
-        let options = {
+        const options = {
             expires: 7,
             path: "/",
             sameSite: "strict",

src/lib/time-format.ts

@@ -0,0 +1,7 @@
+export function timeFormat(time: number) {
+    const minutes = (time / 60).toFixed(0).toString();
+    const seconds = time % 60;
+    const secondsString = (seconds < 10) ? '0' + seconds.toString() : seconds.toString()
+
+    return minutes + ":" + secondsString;
+}

src/routes/+layout.svelte

@@ -2,4 +2,9 @@
     import "../app.pcss";
 </script>
 
+<div class="h-full flex flex-col">
+    <div class="border border-2 p-1">
+        <h1>Navbar</h1>
+    </div>
     <slot></slot>
+</div>

src/routes/+page.svelte

@@ -1,2 +1,159 @@
-<h1>Welcome to SvelteKit</h1>
-<p>Visit <a href="https://kit.svelte.dev">kit.svelte.dev</a> to read the documentation</p>
+<svelte:options runes={true} />
+
+<script lang="ts">
+    import {OpenSubsonic} from "$lib/opensubsonic";
+    import {onMount} from "svelte";
+    import QueueFrame from "$lib/components/custom/QueueFrame.svelte";
+    import PlayerFrame from "$lib/components/custom/PlayerFrame.svelte";
+
+    //let audioSource: HTMLAudioElement = $state(new Audio());
+    //let paused: boolean = $derived(audioSource.paused);
+    //let volume: number = $derived(audioSource.volume);
+
+
+    let source: HTMLAudioElement = $state();
+
+    let audio = $state({
+        get paused() {
+            if (source) {
+                return source.paused;
+            }
+            else {
+                return true;
+            }
+        },
+
+        get volume() {
+            if (source) {
+                return source.volume;
+            }
+            else {
+                return 0;
+            }
+        },
+        set volume(volume) {
+            source.volume = volume;
+        },
+
+        get duration() {
+            if (source) {
+                return source.duration;
+            }
+            else {
+                return 0;
+            }
+        },
+
+        get currentTime() {
+            if (source) {
+                return source.currentTime;
+            }
+            else {
+                return 0;
+            }
+        }
+    });
+
+    let queue: Array<unknown> = $state([]);
+
+    async function fetchQueue() {
+        const data = await OpenSubsonic.get("getPlayQueue");
+        if (data) {
+            queue = [];
+            queue = queue.concat(data.playQueue.entry);
+        }
+    }
+
+    async function saveQueue() {
+        let songs = [];
+
+        queue.forEach((song, idx) => {
+            if (idx === 0) {
+                songs.push({parameter: "current", value: song.id})
+                songs.push({parameter: "id", value: song.id})
+                // Add Progress within current song
+            }
+            else {
+                songs.push({parameter: "id", value: song.id})
+            }
+        })
+        const data = await OpenSubsonic.get("savePlayQueue", songs);
+        if (data) {
+            await fetchQueue();
+        }
+    }
+
+    function removeSongFromQueue(idx: number) {
+        if (idx > -1) {
+            queue.splice(idx, 1);
+        }
+    }
+
+    async function playSong(songIndex: number) {
+        console.log(queue[songIndex].title);
+        const chosenSong = queue[songIndex];
+        let parameters = [
+            { parameter: "id", value: chosenSong.id },
+            //{ parameter: "maxBitRate", value: } // TODO
+            //{ parameter: "format", value: } // TODO
+            //{ parameter: "timeOffset", value: } // TODO? Only Video related
+            //{ parameter: "size", value: } // TODO? Only Video related
+            { parameter: "estimateContentLength", value: "true" },
+            //{ parameter: "converted", value: } // TODO? Only Video related
+        ];
+        let url = OpenSubsonic.getApiUrl("stream", parameters);
+
+        await pause();
+        source = new Audio(url);
+        await play();
+    }
+
+    async function play() {
+        await source.play().catch(() => {});
+        await new Promise(resolve => {setTimeout(resolve, 50)});
+        audio.volume = 0.2;
+        forceUpdate();
+    }
+    async function pause() {
+        source.pause();
+        await new Promise(resolve => {setTimeout(resolve, 50)});
+        forceUpdate();
+        //audio.paused = audio.source.paused;
+    }
+
+    function forceUpdate() {
+        let tmp = audio;
+        audio = {};
+        audio = tmp;
+    }
+
+    onMount(() => {
+        fetchQueue();
+        source = new Audio();
+    })
+</script>
+
+<div class="border border-2 flex-1 grid grid-cols-5">
+    <div class="border border-2 col-span-1">
+        <h1>Left Sidebar</h1>
+    </div>
+    <div class="border border-2 col-span-3">
+        <h1>Center</h1>
+        <button onclick={() => audio.volume += 0.1}>Louder</button>
+        <button onclick={() => audio.volume -= 0.1}>Quieter</button>
+        {#if typeof audio !== "undefined"}
+            <p>{audio.currentTime}</p>
+        {/if}
+    </div>
+    <QueueFrame {queue} {fetchQueue} {saveQueue} {removeSongFromQueue} {playSong} />
+</div>
+<div class="border border-2 min-h-24 h-24">
+    {#if typeof audio !== "undefined"}
+        <PlayerFrame
+                audio={audio}
+                pause={pause}
+                play={play}
+        />
+    {/if}
+</div>
+

src/routes/login/login-form.svelte

@@ -11,10 +11,9 @@
         superForm,
     } from "sveltekit-superforms";
     import { zodClient } from "sveltekit-superforms/adapters";
-    import {Circle2} from "svelte-loading-spinners";
-    import {Md5} from "ts-md5";
     import Cookies from 'js-cookie'
     import {goto} from "$app/navigation";
+    import LoadingSpinner from "$lib/components/custom/LoadingSpinner.svelte";
 
     let  { data }: SuperValidated<Infer<FormSchema>> = $props<{ data: SuperValidated<Infer<FormSchema>> }>();
 
@@ -23,10 +22,9 @@
         onUpdated() {
             OpenSubsonic.username = previousForm.get("username");
             OpenSubsonic.password = previousForm.get("password");
-            let path = OpenSubsonic.getApiPath("ping");
-            fetch(path).then(async (data) => {
-                let res = (await data.json())["subsonic-response"];
-                if (res.status === "ok") {
+            OpenSubsonic.get("ping").then((data) => {
+                if (data) {
+                    if (data.status === "ok") {
                         OpenSubsonic.storeCredentials();
                         loading = false;
                         let route = Cookies.get("preLoginRoute")
@@ -37,6 +35,11 @@
                         error = true;
                         loading = false;
                     }
+                }
+                else {
+                    error = true;
+                    loading = false;
+                }
             });
         },
         onSubmit({ formData }) {
@@ -69,12 +72,7 @@
     </Form.Field>
     <div class="flex flex-row justify-center pt-2">
         {#if loading}
-            <Circle2
-                size="40" unit="px"
-                colorOuter="#0892B4" durationOuter="1s"
-                colorCenter="white" durationCenter="3s"
-                colorInner="#9cc1c9" durationInner="2s"
-            />
+            <LoadingSpinner />
         {:else}
             <Form.Button>Login</Form.Button>
         {/if}

yarn.lock

@@ -2186,7 +2186,7 @@ svelte-preprocess@^5.1.3:
     sorcery "^0.11.0"
     strip-indent "^3.0.0"
 
-svelte@^5.0.0-next:
+svelte@^5.0.0-next.110:
   version "5.0.0-next.110"
   resolved "https://registry.yarnpkg.com/svelte/-/svelte-5.0.0-next.110.tgz#90ccb7500fc257b21f311f28bd82110585c2f58c"
   integrity sha512-RDeoTJtI7HRx1VPROJ2qeibL14OPTQGmNrjM8Lug/N4hJXtolmA7USKggcHL3RXl1loS5Zb1R0IV7stfS7GhQg==