344 lines
12 KiB
JavaScript
344 lines
12 KiB
JavaScript
window.addEventListener("load", function() {
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load_report();
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load_trends();
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load_world_map();
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load_cases_table();
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load_realtime_growth_chart();
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load_daily_growth_chart();
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});
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function load_report() {
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var xhttp = new XMLHttpRequest();
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xhttp.onreadystatechange = function() {
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if (this.readyState == 4 && this.status == 200) {
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var data = JSON.parse(this.response);
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document.getElementById("daily_confirmed_label").innerText = addCommas(data.num_confirmed);
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document.getElementById("daily_recovered_label").innerText = addCommas(data.num_recovered);
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document.getElementById("daily_deaths_label").innerText = addCommas(data.num_deaths);
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document.getElementById("daily_death_rate_label").innerText = data.death_rate;
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}
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};
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xhttp.open("GET", "report");
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xhttp.send();
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}
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function load_trends() {
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var xhttp = new XMLHttpRequest();
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xhttp.onreadystatechange = function() {
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if (this.readyState == 4 && this.status == 200) {
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var data = JSON.parse(this.response);
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trend_confirmed_label = document.getElementById("trend_confirmed_label");
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trend_recovered_label = document.getElementById("trend_recovered_label");
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trend_deaths_label = document.getElementById("trend_deaths_label");
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trend_death_rate_label = document.getElementById("trend_death_rate_label");
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if (data.confirmed_trend > 0) {
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trend_confirmed_label.innerHTML = "<i class='fa fa-angle-up'></i>";
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trend_confirmed_label.classList.add("text-danger");
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}
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else {
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trend_confirmed_label.innerHTML = "<i class='fa fa-angle-down'></i>";
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trend_confirmed_label.classList.add("text-success");
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}
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if (data.recovered_trend > 0) {
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trend_recovered_label.innerHTML = "<i class='fa fa-angle-up'></i>";
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trend_recovered_label.classList.add("text-success");
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}
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else {
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trend_recovered_label.innerHTML = "<i class='fa fa-angle-down'></i>",
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trend_recovered_label.classList.add("text-danger");
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}
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if (data.deaths_trend > 0) {
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trend_deaths_label.innerHTML = "<i class='fa fa-angle-up'></i>";
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trend_deaths_label.classList.add("text-danger");
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}
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else {
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trend_deaths_label.innerHTML = "<i class='fa fa-angle-down'></i>";
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trend_deaths_label.classList.add("text-success");
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}
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if (data.death_rate_trend > 0) {
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trend_death_rate_label.innerHTML = "<i class='fa fa-angle-up'></i>";
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trend_death_rate_label.classList.add("text-danger");
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}
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else {
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trend_death_rate_label.innerHTML = "<i class='fa fa-angle-down'></i>";
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trend_death_rate_label.classList.add("text-success");
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}
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trend_confirmed_label.innerHTML += " " + data.confirmed_trend + "%";
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trend_recovered_label.innerHTML += " " + data.recovered_trend + "%";
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trend_deaths_label.innerHTML += " " + data.deaths_trend + "%";
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trend_death_rate_label.innerHTML += " " + data.death_rate_trend;
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}
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};
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xhttp.open("GET", "trends");
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xhttp.send();
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}
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function load_world_map() {
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var xhttp = new XMLHttpRequest();
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xhttp.onreadystatechange = function() {
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if (this.readyState == 4 && this.status == 200) {
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var data = JSON.parse(this.response);
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hoverinfo = function() {
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result = [];
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for (let index = 0; index < Object.values(data["Combined_Key"]).length; index++) {
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result.push(
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"<b>" + Object.values(data["Combined_Key"])[index] + "</b><br>" +
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"Confirmed: " + Object.values(data["Confirmed"])[index] + "<br>" +
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"Lat: " + Object.values(data["Lat"])[index] + "<br>" +
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"Long: " + Object.values(data["Long_"])[index]
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);
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}
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return result;
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}();
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var plot_data = [{
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type: "scattermapbox",
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lat: Object.values(data["Lat"]),
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lon: Object.values(data["Long_"]),
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hovertext: hoverinfo,
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hoverinfo: "text",
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marker: {
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color: Object.values(data["Confirmed"]),
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colorbar: {
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outlinewidth: 0,
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title: {
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text: "Confirmed"
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}
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},
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colorscale: [[0, "hsl(255, 95%, 26%)"], [0.5, "hsl(330, 60%, 50%)"], [1, "hsl(60, 100%, 60%)"]],
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showscale: true,
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size: Object.values(data["Confirmed"]),
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sizemin: 0,
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sizeref: 2000,
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sizemode: "area"
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}
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}];
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var plot_layout = {
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margin: {t:0, l:0, r:0, b:0},
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paper_bgcolor:'rgba(0,0,0,0)',
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mapbox: {
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style: "carto-positron",
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center: {lat: 20, lon: -20},
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zoom: 1
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}
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};
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var plot_config = {responsive: true, displayModeBar: false}
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Plotly.newPlot(document.getElementById("world_map"), plot_data, plot_layout, plot_config);
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}
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};
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xhttp.open("GET", "daily_report");
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xhttp.send();
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}
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function load_cases_table() {
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var xhttp = new XMLHttpRequest();
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xhttp.onreadystatechange = function() {
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if (this.readyState == 4 && this.status == 200) {
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var data = JSON.parse(this.response);
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var cases_table = document.getElementById("cases_table");
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var cases_table_body = document.getElementById("cases_table_body");
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for (let row of data) {
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if (row["Country"].length >= 15) {
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row["Country"] = row["Country"].substring(0, 15) + "…";
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}
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let new_row = "<tr>";
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new_row += "<td class='font-weight-bold'>" + row["Country"] + "</td>";
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new_row += "<td>" + addCommas(row["Confirmed"]) + "</td>";
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new_row += "<td>" + addCommas(row["Recovered"]) + "</td>";
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new_row += "<td>" + addCommas(row["Deaths"]) + "</td>";
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new_row += "<td>" + (row["Death Rate"]) + "</td>";
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new_row += "</tr>";
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cases_table_body.innerHTML += new_row;
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}
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sorttable.makeSortable(cases_table);
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cases_table.classList.add("sortable");
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}
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};
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xhttp.open("GET", "cases");
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xhttp.send();
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}
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function load_realtime_growth_chart() {
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var xhttp = new XMLHttpRequest();
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xhttp.onreadystatechange = function() {
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if (this.readyState == 4 && this.status == 200) {
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var data = JSON.parse(this.response);
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var dates = Object.keys(data["Confirmed"])
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var confirmed_trace = {
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x: dates,
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y: Object.values(data["Confirmed"]),
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name: "Confirmed",
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line: {color: "#8965E0", width: 4}
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};
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var recovered_trace = {
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x: dates,
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y: Object.values(data["Recovered"]),
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name: "Recovered",
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line: {color: "#2DCE89", width: 4}
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};
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var deaths_trace = {
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x: dates,
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y: Object.values(data["Deaths"]),
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name: "Deaths",
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line: {
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color: "#F9345E",
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width: 4
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}
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};
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var plot_data = [confirmed_trace, recovered_trace, deaths_trace];
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var plot_layout = {
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paper_bgcolor:'rgba(0,0,0,0)',
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plot_bgcolor:'rgba(0,0,0,0)',
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yaxis: {automargin: true, type: "log", gridcolor: "#32325d"},
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xaxis: {automargin: true, showgrid: false},
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showlegend: false,
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font: {color: '#ced4da'},
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margin: {t:0, l:0, r:0, b:0},
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hovermode: "closest",
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updatemenus: [
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{
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visible: true,
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type: "dropdown",
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buttons: [
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{method: "relayout", label: "Logarithmic", args: [{"yaxis.type": "log"}]},
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{method: "relayout", label: "Linear", args: [{"yaxis.type": "linear"}]}
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],
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x: 0.05,
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xanchor: "auto",
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bgcolor: "#6236FF",
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bordercolor: "rgba(0,0,0,0)"
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}
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]
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};
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var plot_config = {responsive: true, displayModeBar: false};
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Plotly.newPlot(document.getElementById("realtime_growth_chart"), plot_data, plot_layout, plot_config);
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}
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};
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xhttp.open("GET", "realtime_growth");
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xhttp.send();
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}
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function load_daily_growth_chart() {
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var xhttp = new XMLHttpRequest();
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xhttp.onreadystatechange = function() {
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if (this.readyState == 4 && this.status == 200) {
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var data = JSON.parse(this.response);
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var dates = Object.keys(data["confirmed"]["World"]);
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var confirmed = Object.values(data["confirmed"]["World"]);
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var deaths = Object.values(data["deaths"]["World"]);
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var plot_data = [
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{
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x: dates,
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y: confirmed,
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name: "Confirmed",
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type: "bar",
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visible: "legendonly",
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marker: {color: "#6236FF", line: {color: "#fff", width: 1}}
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},
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{
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x: dates,
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y: deaths,
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name: "Deaths",
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type: "bar",
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marker: {color: "#F9345E", line: {color: "#FFF", width: 1}}
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}
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];
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var selectorOptions = {
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buttons: [
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{count: 7, label: "W", step: "day", stepmode: "backward"},
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{count: 1, label: "M", step: "month", stepmode: "backward"},
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{count: 3, label: "3M", step: "month", stepmode: "backward"},
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{label: "T", step: "all"}
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]
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};
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var plot_layout = {
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barmode: "stack",
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paper_bgcolor:'rgba(0,0,0,0)',
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plot_bgcolor:'rgba(0,0,0,0)',
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margin: {t:0, l:0, r:0, b:0},
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hovermode: "closest",
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bargap: 0,
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yaxis: {automargin: true, showgrid: true, zerolinecolor: "#FFFFFF", gridcolor: "#e9ecef"},
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xaxis: {automargin: true, showgrid: false, rangeselector: selectorOptions},
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legend: {x: 0.025, y: 1}
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};
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var plot_config = {responsive: true, displayModeBar: false};
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Plotly.newPlot(document.getElementById("daily_growth_chart"), plot_data, plot_layout, plot_config);
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}
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};
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xhttp.open("GET", "daily_growth");
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xhttp.send();
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}
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function addCommas(input) {
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var number_string = input.toString();
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var result = "";
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for (let i = 0; i < number_string.length; i++) {
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result = number_string[number_string.length -1 - i] + result;
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if ((i + 1) % 3 == 0 && i != number_string.length - 1) {
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result = "," + result;
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}
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}
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return result;
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}
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