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var gasReading = {
Co: [],
No: [],
So: []
};
var canvas = document.querySelector('#ctx');
var ctx = canvas.getContext('2d');
var datasets = [{
label: "Co",
borderColor: "rgb(5, 0, 0)",
fill: false,
data: []
}, {
label: "No",
borderColor: "rgb(69, 169, 230)",
fill: false,
data: []
}, {
label: "So",
borderColor: "rgb(246, 250, 15)",
fill: false,
data: []
}]
fetch('/lastweek')
.then(function(response) {
return response.json();
})
.then(function(data) {
drawChart(data, datasets);
})
function drawChart(gasData, datasets) {
var finishedData = {
labels: []
}
Object.keys(gasData).forEach(function(key) {
finishedData.labels.push(key);
datasets[0].data.push(gasData[key].Co)
datasets[1].data.push(gasData[key].No);
datasets[2].data.push(gasData[key].So);
});
finishedData.datasets = datasets;
var myLineChart = new Chart(ctx, {
type: 'line',
data: finishedData,
options: {
scales: {
xAxes: [{
time: {
unit: 'day'
}
}]
}
}
});
}
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