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raspap-webgui/app/js/dashboardchart.js

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(function($, _t) {
"use strict";
/**
* Create a Chart.js barchart.
*/
function CreateChart(ctx, labels) {
var barchart = new Chart(ctx,{
type: 'line',
options: {
responsive: true,
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maintainAspectRatio: false,
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scales: {
xAxes: [{
scaleLabel: {
display: true
},
ticks: {
maxRotation: 0,
minRotation: 0
}
}],
yAxes: [{
id: 'y-axis-1',
type: 'linear',
display: true,
position: 'left',
ticks: {
beginAtZero: true
}
}]
}
},
data: {
labels: labels,
datasets: []
}
});
return barchart;
}
function ShowBandwidthChartHandler(e) {
// Remove hourly chartjs chart
$('#divDBChartBandwidthhourly').empty();
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// Construct ajax uri for getting the proper data
var timeunit = 'hourly';
var uri = 'ajax/bandwidth/get_bandwidth.php?';
uri += 'inet=';
uri += encodeURIComponent($('#divInterface').text());
uri += '&tu=';
uri += encodeURIComponent(timeunit.substr(0, 1));
var datasizeunits = 'mb';
uri += '&dsu='+encodeURIComponent(datasizeunits);
// Get data for chart
$.ajax({
url: uri,
dataType: 'json',
beforeSend: function() {}
}).done(function(jsondata) {
// Map json values to label array
var labels = jsondata.map(function(e) {
return e.date;
});
// Init. chart with label series
var barchart = CreateChart('divDBChartBandwidth'+timeunit, labels);
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var dataRx = jsondata.map(function(e) {
return e.rx;
});
var dataTx = jsondata.map(function(e) {
return e.tx;
});
addData(barchart, dataTx, dataRx, datasizeunits);
}).fail(function(xhr, textStatus) {
if (window.console) {
console.error('server error');
} else {
alert("server error");
}
});
}
/**
* Add data array to datasets of current chart.
*/
function addData(chart, dataTx, dataRx, datasizeunits) {
chart.data.datasets.push({
label: 'Send'+' '+datasizeunits.toUpperCase(),
yAxisID: 'y-axis-1',
borderColor: 'rgba(75, 192, 192, 1)',
backgroundColor: 'rgba(75, 192, 192, 0.2)',
data: dataTx
});
chart.data.datasets.push({
label: 'Receive'+' '+datasizeunits.toUpperCase(),
yAxisID: 'y-axis-1',
borderColor: 'rgba(192, 192, 192, 1)',
backgroundColor: 'rgba(192, 192, 192, 0.2)',
data: dataRx
});
chart.update();
}
$(document).ready(function() {
ShowBandwidthChartHandler();
});
})(jQuery, t);