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ausbildungssuche_dashboard_example.php
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ausbildungssuche_dashboard_example.php
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<?php
// POST-request:
//--------------
$url = 'https://rest.arbeitsagentur.de/oauth/gettoken_cc';
$data = array(
'client_id' => '1c852184-1944-4a9e-a093-5cc078981294',
'client_secret' => '777f9915-9f0d-4982-9c33-07b5810a3e79',
'grant_type' => 'client_credentials');
$options = array(
'http' => array(
'method' => 'POST',
'content' => http_build_query($data)
)
);
$context = stream_context_create($options);
$tokendata = file_get_contents($url, false, $context);
if(isset($_GET['type']) & $_GET['type']==='token'){
header('Content-Type: application/json');
echo $tokendata;
} else {
// GET-request:
//-------------
$url = 'https://rest.arbeitsagentur.de/infosysbub/absuche/pc/v1/ausbildungsangebot?'.$_SERVER['QUERY_STRING'];
$options = array(
'http' => array(
'header' => "OAuthAccessToken:".json_decode($tokendata, true)['access_token']." \r\n",
'method' => 'GET'
)
);
$context = stream_context_create($options);
$searchdata = file_get_contents($url, false, $context);
if(isset($_GET['type']) & $_GET['type']==='search'){
header('Content-Type: application/json');
echo $searchdata;
} else if(!isset($_GET['type'])|(isset($_GET['type']) & $_GET['type']==='html')) {
// HTML-response:
//---------------
header('Content-Type: text/html');
echo "
<html>
<script src='https://cdn.jsdelivr.net/npm/chart.js/dist/chart.min.js'></script>
<body style='background-color:black;'>
<h1 style='color:white'>Dashboard Ausbildungssuche ".htmlspecialchars($_SERVER['QUERY_STRING'])."</h1>
<h2 style='color:white'>".date("l jS \of F Y h:i:s A")."</h2>
<div style='width:300; height:300; display: background-color: black;'>
<canvas id='myChart' style='max-width:100%; max-height:100%;'></canvas>
</div>
<script>
// Doughnut-Chart with text in center
//-----------------------------------
Chart.defaults.font.size = 8;
var ctx = document.getElementById('myChart').getContext('2d');
const myChart = new Chart(ctx, {
type: 'doughnut',
plugins: [{
beforeDraw: function(chart) {
if (chart.config.options.elements.center) {
var ctx = chart.ctx;
var centerConfig = chart.config.options.elements.center;
var fontStyle = centerConfig.fontStyle || 'Arial';
var txt = centerConfig.text;
var color = centerConfig.color || '#000';
var maxFontSize = centerConfig.maxFontSize || 75;
var sidePadding = centerConfig.sidePadding || 20;
var sidePaddingCalculated = (sidePadding / 100) * (chart._metasets[chart._metasets.length-1].data[0].innerRadius * 2)
ctx.font = '30px ' + fontStyle;
var stringWidth = ctx.measureText(txt).width;
var elementWidth = (chart._metasets[chart._metasets.length-1].data[0].innerRadius * 2) - sidePaddingCalculated;
var widthRatio = elementWidth / stringWidth;
var newFontSize = Math.floor(30 * widthRatio);
var elementHeight = (chart._metasets[chart._metasets.length-1].data[0].innerRadius * 2);
var fontSizeToUse = Math.min(newFontSize, elementHeight, maxFontSize);
var minFontSize = centerConfig.minFontSize;
var lineHeight = centerConfig.lineHeight || 25;
var wrapText = false;
if (minFontSize === undefined) {
minFontSize = 20;
}
if (minFontSize && fontSizeToUse < minFontSize) {
fontSizeToUse = minFontSize;
wrapText = true;
}
ctx.textAlign = 'center';
ctx.textBaseline = 'middle';
var centerX = ((chart.chartArea.left + chart.chartArea.right) / 2);
var centerY = ((chart.chartArea.top + chart.chartArea.bottom) / 2);
ctx.font = fontSizeToUse + 'px ' + fontStyle;
ctx.fillStyle = color;
if (!wrapText) {
ctx.fillText(txt, centerX, centerY);
return;
}
var words = txt.split(' ');
var line = '';
var lines = [];
for (var n = 0; n < words.length; n++) {
var testLine = line + words[n] + ' ';
var metrics = ctx.measureText(testLine);
var testWidth = metrics.width;
if (testWidth > elementWidth && n > 0) {
lines.push(line);
line = words[n] + ' ';
} else {
line = testLine;
}
}
centerY -= (lines.length / 2) * lineHeight;
for (var n = 0; n < lines.length; n++) {
ctx.fillText(lines[n], centerX, centerY);
centerY += lineHeight;
}
ctx.fillText(line, centerX, centerY);
}
}
}],
data: {
labels: ['BAY', 'BAW', 'BER', 'BRA', 'BRE', 'HAM','HES','MBV','NDS','NRW','RPF','SAA','SAC','SAN','SLH','THÜ'],
datasets: [{
label: '# of Votes',
data: ["
.json_decode($searchdata, true)['aggregations']['REGIONEN']['BAY'].","
.json_decode($searchdata, true)['aggregations']['REGIONEN']['BAW'].","
.json_decode($searchdata, true)['aggregations']['REGIONEN']['BER'].","
.json_decode($searchdata, true)['aggregations']['REGIONEN']['BRA'].","
.json_decode($searchdata, true)['aggregations']['REGIONEN']['BRE'].","
.json_decode($searchdata, true)['aggregations']['REGIONEN']['HAM'].","
.json_decode($searchdata, true)['aggregations']['REGIONEN']['HES'].","
.json_decode($searchdata, true)['aggregations']['REGIONEN']['MBV'].","
.json_decode($searchdata, true)['aggregations']['REGIONEN']['NDS'].","
.json_decode($searchdata, true)['aggregations']['REGIONEN']['NRW'].","
.json_decode($searchdata, true)['aggregations']['REGIONEN']['RPF'].","
.json_decode($searchdata, true)['aggregations']['REGIONEN']['SAA'].","
.json_decode($searchdata, true)['aggregations']['REGIONEN']['SAC'].","
.json_decode($searchdata, true)['aggregations']['REGIONEN']['SAN'].","
.json_decode($searchdata, true)['aggregations']['REGIONEN']['SLH'].","
.json_decode($searchdata, true)['aggregations']['REGIONEN']['THÜ']."],"
."backgroundColor: [
'rgba(255, 0, 0, 0.6)',
'rgba(255, 96, 0, 0.6)',
'rgba(255, 191, 0, 0.6)',
'rgba(233, 255, 0, 0.6)',
'rgba(128, 255, 0, 0.6)',
'rgba( 32, 255, 0, 0.6)',
'rgba( 0, 255, 64, 0.6)',
'rgba( 0, 255, 159, 0.6)',
'rgba( 0, 255, 255, 0.6)',
'rgba( 0, 159, 255, 0.6)',
'rgba( 0, 64, 255, 0.6)',
'rgba( 32, 0, 255, 0.6)',
'rgba(128, 0, 255, 0.6)',
'rgba(223, 0, 255, 0.6)',
'rgba(225, 0, 191, 0.6)',
'rgba(255, 0, 96, 0.6)'
],
borderColor: [
'rgba(255, 0, 0, 1.0)',
'rgba(255, 96, 0, 1.0)',
'rgba(255, 191, 0, 1.0)',
'rgba(233, 255, 0, 1.0)',
'rgba(128, 255, 0, 1.0)',
'rgba( 32, 255, 0, 1.0)',
'rgba( 0, 255, 64, 1.0)',
'rgba( 0, 255, 159, 1.0)',
'rgba( 0, 255, 255, 1.0)',
'rgba( 0, 159, 255, 1.0)',
'rgba( 0, 64, 255, 1.0)',
'rgba( 32, 0, 255, 1.0)',
'rgba(128, 0, 255, 1.0)',
'rgba(223, 0, 255, 1.0)',
'rgba(225, 0, 191, 1.0)',
'rgba(255, 0, 96, 1.0)' ],
borderWidth: 1
}]
},
options: {
responsive: true,
plugins:{
legend: { display: true, position: 'right', labels: {boxWidth:2} }
},
elements: {
center: {
text: '".json_decode($searchdata, true)['aggregations']['ANZAHL_GESAMT']['COUNT']."',
color: '#FF6384',
fontStyle: 'Arial',
sidePadding: 20, // 20 percent
minFontSize: 1, // px
lineHeight: 25 // px
}
}
}
});
</script>
</body>
</html>
";
}
}
?>