Files
nettsiden/www/door/graph.html

174 lines
5.2 KiB
HTML

<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Inngangsverkstedet</title>
<style>
body {
text-align: center;
width: 80vw;
margin: auto auto;
}
#graphDiv {
display: flex;
flex-direction: column;
}
</style>
</head>
<body>
<h2>En kort analyse av nerders døgnrytme i deres naturlige habitat, PVV</h2>
<div id="graphDiv">
<h4>Siste 24 timer</h4>
<canvas id="doorGraphDay"></canvas>
<h4>Siste 7 dager</h4>
<canvas id="doorGraphWeek"></canvas>
</div>
<script
src="https://cdn.jsdelivr.net/npm/chart.js@4.5.1/dist/chart.umd.min.js"
integrity="sha384-jb8JQMbMoBUzgWatfe6COACi2ljcDdZQ2OxczGA3bGNeWe+6DChMTBJemed7ZnvJ"
crossorigin="anonymous"
></script>
<script
src="https://cdn.jsdelivr.net/npm/moment@2.30.1/moment.min.js"
integrity="sha384-+EEFFjsGn4BnW70Nv0OvoMe1VZuqS4xvx90V2MTeuYUUZSEabg7FSMWl6s2DJTAO"
crossorigin="anonymous"
></script>
<script
src="https://cdn.jsdelivr.net/npm/chartjs-adapter-moment@1.0.1/dist/chartjs-adapter-moment.min.js"
integrity="sha384-s5cwu7c1MxOfC90RGRDWeB53/7VpDTxXi0YxKJF5y9oKA99+UYxMk0qvlqso188s"
crossorigin="anonymous"
></script>
<script>
const graphElDay = document.getElementById("doorGraphDay");
const graphElWeek = document.getElementById("doorGraphWeek");
const XHR = new XMLHttpRequest();
const url = "/door/?period=week";
XHR.open("GET", url);
XHR.send();
XHR.onreadystatechange = () => {
if (XHR.readyState == 4 && XHR.status == 200) {
console.log("Response 200 from API");
response = JSON.parse(XHR.responseText); //Should be try-catched?
if (response.status != "OK") {
console.log("Error when connecting to API.");
return;
} else {
const allDatapoints = response.entries;
console.log(
"Success, " + allDatapoints.length + " datapoints received.",
);
const dayDatapoints = getLastDay(allDatapoints);
displayLineDiagram(graphElDay, dayDatapoints, "hour");
displayLineDiagram(graphElWeek, allDatapoints, "day");
}
}
};
function getLastDay(data) {
let date = new Date();
let curTime = date.getTime();
let targetTime = parseInt(curTime / 1e3) - 60 * 60 * 24;
let i;
for (i = 0; i < data.length; i++) {
if (data[i].time < targetTime) {
break;
}
}
return data.slice(0, i);
}
// https://www.chartjs.org/docs/latest/configuration/canvas-background.html
const bgColorPlugin = {
id: "bgColorPlugin",
beforeDraw: (chart, args, options) => {
const { ctx } = chart;
ctx.save();
ctx.globalCompositeOperation = "destination-over";
ctx.fillStyle = options.color || "#99ffff";
ctx.fillRect(0, 0, chart.width, chart.height);
ctx.restore();
},
};
function displayLineDiagram(canv, data, timeunit) {
let ctx = canv.getContext("2d");
let dotColor = data.map((entry) =>
entry.open ? "rgb(10, 150, 10)" : "rgb(200, 100, 100)",
);
let chart = new Chart(ctx, {
type: "line",
data: {
labels: data.map((entry) => 1e3 * entry.time),
datasets: [
{
data: data.map((entry) => entry.open),
stepped: "before",
segment: {
borderColor: (ctx) =>
ctx.p0.parsed.y === 1
? "rgb(10, 150, 10)"
: "rgb(200, 100, 100)",
},
borderColor: dotColor,
backgroundColor: dotColor,
},
],
},
options: {
scales: {
x: {
type: "time",
display: true,
time: {
unit: timeunit,
},
ticks: {
display: true,
source: "data",
},
grid: {
display: true,
},
},
y: {
suggestedMin: -0.1,
suggestedMax: 1.1,
grid: { display: false },
ticks: {
callback: (label, index, labels) =>
label === 1 ? "Åpent" : label === 0 ? "Stengt" : "",
},
},
},
plugins: {
legend: {
display: false,
},
tooltip: {
callbacks: {
label: (tooltipItem) =>
tooltipItem.formattedValue === "1" ? "Åpent" : "Stengt",
},
},
bgColorPlugin: {
color: "#EEEEEE",
},
},
},
plugins: [bgColorPlugin],
});
}
</script>
</body>
</html>