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KoenDR06 2025-12-26 01:04:35 +01:00
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LICENSE Normal file
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MIT License
Copyright (c) 2025 Koen de Ruiter
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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@import"https://fonts.googleapis.com/css?family=Work+Sans:400,500,600,700,800,900";
body {
background-color: #262626;
margin: 20px;
color: #ffffff;
overflow: clip;
font-family:Work Sans,sans-serif;
}
.columns {
display: flex;
flex-direction: columns;
justify-content: space-between;
}
#title {
max-width: 500px;
}
/* --- Left column --- */
.song {
position: relative;
}
#song-image {
width: 500px;
height: 500px;
border-radius: 20px;
}
#song-diff {
font-size: 2rem;
padding: 16px;
min-width: 80px;
height: 40px;
border-radius: 20px;
border: 1px solid black;
position: absolute;
top: 0;
right: 0;
margin: 10px;
text-align: center;
}
#song-diff.stale {
background-color: gray;
}
#song-diff.risen {
background-color: green;
}
#song-diff.fallen {
background-color: red;
}
/* --- Middle column --- */
.left-divide {
display: flex;
justify-content: space-around;
}
.song-stats {
margin-left: 100px;
}
.artist-info p {
margin: 0;
padding: 0;
}
/* --- Right column --- */
#queue {
width: 700px;
}
.queue-item {
display: flex;
margin: 5px;
}
.queue-item .song-title {
font-size: 2rem;
margin-left: 20px;
}
.queue-item .song-artist {
font-size: 1.5rem;
margin-left: 20px;
color: #ccc;
}
.queue-item .song-time {
text-align: right;
margin-right: 10px;
font-size: 1.5rem;
}
.queue-right-wrapper {
width: 100%;
}
.queue-item p {
margin: 0;
padding: 0;
}
.queue-image {
height: 100px;
width: 100px;
}
.queue-item.playing {
background-color: #1a1a1a;
}

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<!DOCTYPE html>
<html>
<head>
<script src="/index.js"></script>
<link rel="stylesheet" href="/index.css"></link>
</head>
<body>
<div class="columns">
<div>
<div class="left-divide">
<div class="current-column">
<div class="song">
<img id="song-image">
<div id="song-diff"></div>
</div>
<h1 id="title"></h1>
<h2 id="artist"></h2>
<h3 id="position"></h3>
</div>
<div class="song-stats">
<canvas id="graph" width=500 height=500></canvas>
</div>
</div>
<div class="artist-info">
<h2>Trivia</h2>
<ul>
<li id="trivia-songcount"></li>
<li id="trivia-first"></li>
<li id="trivia-last"></li>
</div>
</div>
<div id="queue"></div>
</div>
</body>
</html>

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window.onload = async (e) => {
const res = await (await fetch("https://www.nporadio2.nl/api/charts/npo-radio-2-top-2000-van-2025-12-25", {})).json();
window.ranking = res.positions;
const offset = +window.location.search.slice(1);
window.offset = offset;
const now = Date.now() - offset * 1000;
const curr = window.ranking.find(it => it.broadcastUnixTime < now);
var current = curr.position.current;
update(curr)
setInterval(() => {
const now = Date.now() - offset * 1000;
const curr = window.ranking.find(it => it.broadcastUnixTime < now);
if (curr.position.current != current) {
current = curr.position.current;
update(curr);
}
}, 1000);
};
function update(curr) {
console.log("Updating");
document.querySelector("#song-image").src = curr.track.coverUrl;
const diff = document.querySelector("#song-diff");
diff.innerText = curr.position.label;
diff.classList = curr.position.type;
document.querySelector("#title").innerText = curr.track.title;
document.querySelector("#artist").innerText = curr.track.artist;
document.querySelector("#position").innerText = `Nummer ${curr.position.current}`;
getGraph(curr.track.artist, curr.track.title);
queue(curr.position.current);
getTrivia(curr)
}
async function getGraph(artist, title) {
const res = await (await fetch(`/graph/${artist.replace("?", "")}/${title}`, {})).json();
const width = 500;
const labelSpace = 50;
const barWidth = (width - labelSpace) / res.length;
const height = 500;
const cv = document.querySelector("#graph");
const ctx = cv.getContext('2d');
ctx.clearRect(0, 0, width, height);
for (let i = 0; i <= 2000; i += 200) {
const fraction = (i / 2000) * height;
ctx.beginPath();
ctx.strokeStyle = "#808080";
ctx.lineWidth = 1;
ctx.moveTo(labelSpace, fraction);
ctx.lineTo(width, fraction);
ctx.stroke();
ctx.font = "20px sans-serif";
ctx.fillStyle = "#808080";
ctx.fillText(i.toString(), 0, fraction);
}
for (let i = 0; i < res.length; i++) {
const position = res[i].position;
const fraction = (position / 2000) * height;
// ctx.fillRect(barWidth * i, 0, barWidth, position / 10)
ctx.beginPath();
ctx.fillStyle = "white";
ctx.arc(labelSpace + barWidth * i + 10, fraction, 2.5, 0, 2*Math.PI);
ctx.fill();
}
for (let i = 0; i < res.length-1; i++) {
const curr = res[i].position;
const next = res[i+1].position;
const currFraction = (curr / 2000) * height;
const nextFraction = (next / 2000) * height;
// ctx.fillRect(barWidth * i, 0, barWidth, position / 10)
ctx.beginPath();
ctx.strokeStyle = "white";
ctx.lineWidth = 5;
ctx.lineCap = "round";
ctx.moveTo(labelSpace + barWidth * i + 10, currFraction);
ctx.lineTo(labelSpace + barWidth * (i+1) + 10, nextFraction);
ctx.stroke();
}
}
function queue(currPos) {
const upcoming = window.ranking.filter(it => currPos - it.position.current < 10 && currPos - it.position.current >= -1)
const queueEl = document.querySelector('#queue')
queueEl.innerHTML = "";
for (const song of upcoming.reverse()) {
const broadcastDT = new Date(song.broadcastUnixTime - offset * 1000);
queueEl.innerHTML += `
<div class="queue-item${song.position.current == currPos ? " playing" : ""}">
<img class="queue-image" src="${song.track.coverUrl}">
<div class="queue-right-wrapper">
<p class="song-title">${song.track.title}</p>
<p class="song-artist">${song.track.artist}</p>
<p class="song-time">${broadcastDT.getHours().toString().padStart(2, "0")}:${broadcastDT.getMinutes().toString().padStart(2, "0")}</p>
</div>
</div>
`
}
}
async function getTrivia(curr) {
const res = await (await fetch(`/trivia/${curr.track.artist.replace("?", "")}`, {})).json();
document.querySelector("#trivia-songcount").innerText = `${curr.track.artist} staat ${res.length} keer in de lijst.`;
const artistsSongs = res.map(function (it) {
return {
position: window.ranking.find(rank => rank.track.title == it.title)?.position?.current,
title: it.title
}
}).filter(it => it.position != undefined).sort((a,b) => a.position - b.position)
if (artistsSongs[0].position == curr.position.current) {
document.querySelector("#trivia-first").innerText = `Dit is het hoogste nummer van ${curr.track.artist} in de lijst.`;
} else {
document.querySelector("#trivia-first").innerText = `Het hoogste nummer van ${curr.track.artist} is ${artistsSongs[0].title}.`;
}
if (artistsSongs.at(-1).position == curr.position.current) {
document.querySelector("#trivia-last").innerText = `Dit is het laagste nummer van ${curr.track.artist} in de lijst.`;
} else {
document.querySelector("#trivia-last").innerText = `Het laagste nummer van ${curr.track.artist} is ${artistsSongs.at(-1).title}.`;
}
}

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const express = require('express')
const path = require('path')
const app = express()
app.use(express.json())
app.use(express.static('public'))
app.use(express.urlencoded())
app.get("/", (req, res) => {
res.sendFile(path.resolve('./index.html'))
})
app.get('/graph/:artist/:title', async (req, res) => {
const artist = req.params.artist;
const title = req.params.title;
const data = await (await fetch(`https://nporadio2.nl/api/statistics/search/tracks/${artist}`, {})).json();
const id = data.find(it => it.title == title).id
const standings = await (await fetch(`https://nporadio2.nl/api/statistics/positions/track/${id}`, {})).json();
res.send(standings);
})
app.get('/trivia/:artist', async (req, res) => {
const artist = req.params.artist;
const data = await (await fetch(`https://nporadio2.nl/api/statistics/search/tracks/${artist}`, {})).json();
console.log(data);
res.send(data);
})
app.listen(3000, () => {
console.log("Listening on port 3000")
})