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Puranjay Savar Mattas
2021-05-14 14:41:00 +05:30
commit b9f8614ddf
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core/static/assets/js/fetch-data.js Normal file
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window.addEventListener("load", function() {
load_report();
load_trends();
load_world_map();
load_cases_table();
load_realtime_growth_chart();
load_daily_growth_chart();
});
function load_report() {
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
var data = JSON.parse(this.response);
document.getElementById("daily_confirmed_label").innerText = addCommas(data.num_confirmed);
document.getElementById("daily_recovered_label").innerText = addCommas(data.num_recovered);
document.getElementById("daily_deaths_label").innerText = addCommas(data.num_deaths);
document.getElementById("daily_death_rate_label").innerText = data.death_rate;
}
};
xhttp.open("GET", "report");
xhttp.send();
}
function load_trends() {
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
var data = JSON.parse(this.response);
trend_confirmed_label = document.getElementById("trend_confirmed_label");
trend_recovered_label = document.getElementById("trend_recovered_label");
trend_deaths_label = document.getElementById("trend_deaths_label");
trend_death_rate_label = document.getElementById("trend_death_rate_label");
if (data.confirmed_trend > 0) {
trend_confirmed_label.innerHTML = "<i class='fa fa-angle-up'></i>";
trend_confirmed_label.classList.add("text-danger");
}
else {
trend_confirmed_label.innerHTML = "<i class='fa fa-angle-down'></i>";
trend_confirmed_label.classList.add("text-success");
}
if (data.recovered_trend > 0) {
trend_recovered_label.innerHTML = "<i class='fa fa-angle-up'></i>";
trend_recovered_label.classList.add("text-success");
}
else {
trend_recovered_label.innerHTML = "<i class='fa fa-angle-down'></i>",
trend_recovered_label.classList.add("text-danger");
}
if (data.deaths_trend > 0) {
trend_deaths_label.innerHTML = "<i class='fa fa-angle-up'></i>";
trend_deaths_label.classList.add("text-danger");
}
else {
trend_deaths_label.innerHTML = "<i class='fa fa-angle-down'></i>";
trend_deaths_label.classList.add("text-success");
}
if (data.death_rate_trend > 0) {
trend_death_rate_label.innerHTML = "<i class='fa fa-angle-up'></i>";
trend_death_rate_label.classList.add("text-danger");
}
else {
trend_death_rate_label.innerHTML = "<i class='fa fa-angle-down'></i>";
trend_death_rate_label.classList.add("text-success");
}
trend_confirmed_label.innerHTML += " " + data.confirmed_trend + "%";
trend_recovered_label.innerHTML += " " + data.recovered_trend + "%";
trend_deaths_label.innerHTML += " " + data.deaths_trend + "%";
trend_death_rate_label.innerHTML += " " + data.death_rate_trend;
}
};
xhttp.open("GET", "trends");
xhttp.send();
}
function load_world_map() {
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
var data = JSON.parse(this.response);
hoverinfo = function() {
result = [];
for (let index = 0; index < Object.values(data["Combined_Key"]).length; index++) {
result.push(
"<b>" + Object.values(data["Combined_Key"])[index] + "</b><br>" +
"Confirmed: " + Object.values(data["Confirmed"])[index] + "<br>" +
"Lat: " + Object.values(data["Lat"])[index] + "<br>" +
"Long: " + Object.values(data["Long_"])[index]
);
}
return result;
}();
var plot_data = [{
type: "scattermapbox",
lat: Object.values(data["Lat"]),
lon: Object.values(data["Long_"]),
hovertext: hoverinfo,
hoverinfo: "text",
marker: {
color: Object.values(data["Confirmed"]),
colorbar: {
outlinewidth: 0,
title: {
text: "Confirmed"
}
},
colorscale: [[0, "hsl(255, 95%, 26%)"], [0.5, "hsl(330, 60%, 50%)"], [1, "hsl(60, 100%, 60%)"]],
showscale: true,
size: Object.values(data["Confirmed"]),
sizemin: 0,
sizeref: 2000,
sizemode: "area"
}
}];
var plot_layout = {
margin: {t:0, l:0, r:0, b:0},
paper_bgcolor:'rgba(0,0,0,0)',
mapbox: {
style: "carto-positron",
center: {lat: 20, lon: -20},
zoom: 1
}
};
var plot_config = {responsive: true, displayModeBar: false}
Plotly.newPlot(document.getElementById("world_map"), plot_data, plot_layout, plot_config);
}
};
xhttp.open("GET", "daily_report");
xhttp.send();
}
function load_cases_table() {
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
var data = JSON.parse(this.response);
var cases_table = document.getElementById("cases_table");
var cases_table_body = document.getElementById("cases_table_body");
for (let row of data) {
if (row["Country"].length >= 15) {
row["Country"] = row["Country"].substring(0, 15) + "…";
}
let new_row = "<tr>";
new_row += "<td class='font-weight-bold'>" + row["Country"] + "</td>";
new_row += "<td>" + addCommas(row["Confirmed"]) + "</td>";
new_row += "<td>" + addCommas(row["Recovered"]) + "</td>";
new_row += "<td>" + addCommas(row["Deaths"]) + "</td>";
new_row += "<td>" + (row["Death Rate"]) + "</td>";
new_row += "</tr>";
cases_table_body.innerHTML += new_row;
}
sorttable.makeSortable(cases_table);
cases_table.classList.add("sortable");
}
};
xhttp.open("GET", "cases");
xhttp.send();
}
function load_realtime_growth_chart() {
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
var data = JSON.parse(this.response);
var dates = Object.keys(data["Confirmed"])
var confirmed_trace = {
x: dates,
y: Object.values(data["Confirmed"]),
name: "Confirmed",
line: {color: "#8965E0", width: 4}
};
var recovered_trace = {
x: dates,
y: Object.values(data["Recovered"]),
name: "Recovered",
line: {color: "#2DCE89", width: 4}
};
var deaths_trace = {
x: dates,
y: Object.values(data["Deaths"]),
name: "Deaths",
line: {
color: "#F9345E",
width: 4
}
};
var plot_data = [confirmed_trace, recovered_trace, deaths_trace];
var plot_layout = {
paper_bgcolor:'rgba(0,0,0,0)',
plot_bgcolor:'rgba(0,0,0,0)',
yaxis: {automargin: true, type: "log", gridcolor: "#32325d"},
xaxis: {automargin: true, showgrid: false},
showlegend: false,
font: {color: '#ced4da'},
margin: {t:0, l:0, r:0, b:0},
hovermode: "closest",
updatemenus: [
{
visible: true,
type: "dropdown",
buttons: [
{method: "relayout", label: "Logarithmic", args: [{"yaxis.type": "log"}]},
{method: "relayout", label: "Linear", args: [{"yaxis.type": "linear"}]}
],
x: 0.05,
xanchor: "auto",
bgcolor: "#6236FF",
bordercolor: "rgba(0,0,0,0)"
}
]
};
var plot_config = {responsive: true, displayModeBar: false};
Plotly.newPlot(document.getElementById("realtime_growth_chart"), plot_data, plot_layout, plot_config);
}
};
xhttp.open("GET", "realtime_growth");
xhttp.send();
}
function load_daily_growth_chart() {
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
var data = JSON.parse(this.response);
var dates = Object.keys(data["confirmed"]["World"]);
var confirmed = Object.values(data["confirmed"]["World"]);
var deaths = Object.values(data["deaths"]["World"]);
var plot_data = [
{
x: dates,
y: confirmed,
name: "Confirmed",
type: "bar",
visible: "legendonly",
marker: {color: "#6236FF", line: {color: "#fff", width: 1}}
},
{
x: dates,
y: deaths,
name: "Deaths",
type: "bar",
marker: {color: "#F9345E", line: {color: "#FFF", width: 1}}
}
];
var selectorOptions = {
buttons: [
{count: 7, label: "W", step: "day", stepmode: "backward"},
{count: 1, label: "M", step: "month", stepmode: "backward"},
{count: 3, label: "3M", step: "month", stepmode: "backward"},
{label: "T", step: "all"}
]
};
var plot_layout = {
barmode: "stack",
paper_bgcolor:'rgba(0,0,0,0)',
plot_bgcolor:'rgba(0,0,0,0)',
margin: {t:0, l:0, r:0, b:0},
hovermode: "closest",
bargap: 0,
yaxis: {automargin: true, showgrid: true, zerolinecolor: "#FFFFFF", gridcolor: "#e9ecef"},
xaxis: {automargin: true, showgrid: false, rangeselector: selectorOptions},
legend: {x: 0.025, y: 1}
};
var plot_config = {responsive: true, displayModeBar: false};
Plotly.newPlot(document.getElementById("daily_growth_chart"), plot_data, plot_layout, plot_config);
}
};
xhttp.open("GET", "daily_growth");
xhttp.send();
}
function addCommas(input) {
var number_string = input.toString();
var result = "";
for (let i = 0; i < number_string.length; i++) {
result = number_string[number_string.length -1 - i] + result;
if ((i + 1) % 3 == 0 && i != number_string.length - 1) {
result = "," + result;
}
}
return result;
}