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test.html
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<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" integrity="sha384-B0vP5xmATw1+K9KRQjQERJvTumQW0nPEzvF6L/Z6nronJ3oUOFUFpCjEUQouq2+l" crossorigin="anonymous">
<title>CoWIN | Vaccination Finder</title>
</head>
<body>
<div class="container">
<nav class="navbar navbar-expand-lg navbar-light bg-light fixed-top">
<a class="navbar-brand" href="#"><strong>Vaccination Centers:</strong> 18 - 44 years</a>
<div class="d-flex justify-content-center" id="main-loader">
<div class="spinner-border text-dark" role="status">
<span class="sr-only">Loading...</span>
</div>
</div>
<ul class="navbar-nav ml-auto">
<a class="btn btn-link" href="https://selfregistration.cowin.gov.in/" target="_blank">Go to CoWIN!!</a>
</ul>
</nav>
</div>
<div class="container mt-2">
<div class="row">
<div class="col-2 col-sm-1 mt-5">
<!-- <span>Filters:</span> -->
</div>
<div class="col-10 col-sm-11 mt-5">
<div class="form-check form-check-inline" id="strictly18">
<input class="form-check-input custom-filters" type="checkbox" id="only-18" value="only-18">
<label class="form-check-label" for="only-18">18+</label>
</div><!--
<div class="form-check form-check-inline">
<input class="form-check-input custom-filters" type="checkbox" id="show-all" value="show-all">
<label class="form-check-label" for="in-stock">In Stock</label>
</div> -->
</div>
</div>
<div class="row">
<div class="col-12 mt-5">
<div class="accordion" id="states">
</div>
</div>
</div>
</div>
<script src="https://code.jquery.com/jquery-3.6.0.min.js" integrity="sha256-/xUj+3OJU5yExlq6GSYGSHk7tPXikynS7ogEvDej/m4=" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-Piv4xVNRyMGpqkS2by6br4gNJ7DXjqk09RmUpJ8jgGtD7zP9yug3goQfGII0yAns" crossorigin="anonymous"></script>
<script type="text/javascript">
class State{
constructor(id, name){
this.id = id;
this.name = name;
this.districts = [];
}
addDistrict(district){
this.districts.push(district.id);
}
}
class District{
constructor(id, name, stateId){
this.id = id;
this.name = name;
this.stateId = stateId;
this.centers = []
this.totalSessions = 0;
}
addCenter(center){
this.centers.push(center.id);
}
increaseTotalSessions(){
this.totalSessions++;
}
decreaseTotalSessions(){
this.totalSessions--;
}
}
class Center{
constructor(id, name, feeType, districtId){
this.id = id;
this.name = name;
this.feeType = feeType;
this.districtId = districtId;
this.sessions = [];
}
addSession(session){
this.sessions.push(session.id);
}
}
class Session{
constructor(id, date, ageLimit, vaccine, capacity, isShowing, centerId){
this.id = id;
this.date = date;
this.ageLimit = ageLimit;
this.vaccine = vaccine;
this.capacity = capacity;
this.centerId = centerId;
this.isShowing = isShowing;
}
}
var strictly18 = true;
var states = {}
var districts = {}
var centers = {}
var sessions = {}
function addState(state){
htmlContent = `
<div class="card">
<div class="card-header" id="state-`+state.id+`">
<h2 class="mb-0">
<button class="btn btn-link state-toggle" type="button" data-toggle="collapse" data-target="#state-collapse-`+state.id+`" aria-expanded="true" aria-controls="state-collapse-`+state.id+`" state-id="`+state.id+`">
`+ state.name +`
</button>
</h2>
</div>
<div id="state-collapse-`+state.id+`" class="collapse" aria-labelledby="state-`+state.id+` " data-parent="#states">
<div class="card-body" id="state-`+state.id+`-districts">
</div>
</div>
</div>
</div>
`
$('#states').append(htmlContent);
}
function addDistrict(state,district){
htmlContent = `
<div class="card district-card" total='' showing=''>
<div class="card-header" id="district-`+district.id+`">
<span class="mb-0">
<button class="btn btn-link district-toggle" type="button" data-toggle="collapse" data-target="#district-collapse-`+district.id+`" aria-expanded="true" aria-controls="district-collapse-`+district.id+`" district-id="`+district.id+`">
`+ district.name +`
</button>
</span>
<span class="float-right session-count">Sessions: `+ district.totalSessions +`</span>
</div>
<div id="district-collapse-`+district.id+`" class="collapse" aria-labelledby="district-`+district.id+`" data-parent="#state-`+state.id+`-districts">
<div class="card-body">
<div class="table-responsive">
<table class="table table-hover table-striped">
<thead class="thead-dark">
<tr>
<th scope="col">Name</th>
<th scope="col">Date</th>
<th scope="col">Capacity</th>
<th scope="col">Age limit</th>
<th scope="col">Vaccine</th>
<th scope="col">Fee</th>
</tr>
</thead>
<tbody id="district-`+district.id+`-centers">
<tr class="text-center" id="not-available"><td class="text-danger" colspan="6">Sorry, No centers are available for Vaccination. Try again later.</td></tr>
</tbody>
</table>
</div>
</div>
</div>
</div>
`
$('#state-'+state.id+'-districts').append(htmlContent);
}
function addCenter(district, center){
let htmlContent = '';
if(center.sessions.length > 0){
$('#district-'+center.districtId+'-centers #not-available').hide();
}
center.sessions.forEach( sessionId => {
session = sessions[sessionId];
if(session.isShowing){
htmlContent += '<tr class="age-'+session.ageLimit+'" session-id="'+session.id+'">';
}
else{
htmlContent += '<tr class="d-none age-'+session.ageLimit+'" session-id="'+session.id+'">';
}
htmlContent += `
<td><strong>`+center.name+`</strong></td>`;
htmlContent += `<td>`+session.date+`</td>
<td>`+session.capacity+`</td>
<td>`+session.ageLimit+`</td>
<td>`+session.vaccine+`</td>
<td>`+center.feeType+`</td>
</tr>`;
});
$('#district-'+ district.id + '-centers').append(htmlContent);
}
function changeActiveSessions(district, isShowing){
if(isShowing){
district.increaseTotalSessions();
}
else{
district.decreaseTotalSessions();
}
}
function only18(){
let affectedDistricts = new Set()
if($('#only-18').is(':checked')){
$('.age-45').each(function(){
let session = sessions[$(this).attr('session-id')];
let center = centers[session.centerId];
let district = districts[center.districtId];
affectedDistricts.add(district);
session.isShowing = false;
changeActiveSessions(district, false);
$(this).addClass('d-none');
});
}
else{
$('.age-45').each(function(){
let session = sessions[$(this).attr('session-id')];
let center = centers[session.centerId];
let district = districts[center.districtId];
affectedDistricts.add(district);
session.isShowing = true;
changeActiveSessions(district, true);
$(this).removeClass('d-none');
});
}
affectedDistricts.forEach(district => {
$('#district-' + district.id + ' .session-count').html('Sessions: ' + district.totalSessions);
});
}
$( document ).ready(function() {
if (!window.Notification) {
console.log('Browser does not support notifications.');
} else {
if (Notification.permission === 'granted') {
} else {
Notification.requestPermission().then(function(p) {
console.log(p);
if(p == 'granted') {
const notification = new Notification("New message incoming", {
body: "Hi there. How are you doing?",
icon: "yourimageurl.png"
})
} else {
console.log('User blocked notifications.');
}
}).catch(function(err) {
console.error(err);
});
}
}
if(strictly18){
$("#strictly18").hide();
}
$.get( "https://cdn-api.co-vin.in/api/v2/admin/location/states", function( data ) {
$("#main-loader .spinner-border").hide();
data['states'].forEach(state => {
let stateObj = new State(state['state_id'], state['state_name']);
states[stateObj.id] = stateObj;
addState(stateObj);
});
});
$(document).on('click', '.state-toggle', function(e){
let show18 = $('#only-18').is(':checked');
let state_id = $(this).attr('state-id');
let state = states[state_id];
if(state.districts.length == 0){
$("#main-loader .spinner-border").show();
$.get( "https://cdn-api.co-vin.in/api/v2/admin/location/districts/"+state.id, function( data ) {
let timestamp = new Date();
let date = timestamp.getDate() + "-" + (timestamp.getMonth() + 1) + "-" + timestamp.getFullYear();
data['districts'].forEach(district => {
let districtObj = new District(district['district_id'], district['district_name'], state.id);
districts[districtObj.id] = districtObj;
addDistrict(state, districtObj);
state.addDistrict(districtObj);
let requestString = `https://cdn-api.co-vin.in/api/v2/appointment/sessions/public/calendarByDistrict?district_id=`+districtObj.id+`&date=`+date;
if(districtObj.centers.length == 0){
$("#main-loader .spinner-border").show();
let totalSessions = 0;
$.get(requestString, function( data ) {
$("#main-loader .spinner-border").hide();
data['centers'].forEach((center) => {
let centerObj = new Center(center['center_id'], center['name'], center['fee_type'], districtObj.id);
centers[centerObj.id] = centerObj;
let district = districts[centerObj.districtId];
center['sessions'] = center['sessions'].filter(session => (session['available_capacity'] > 0 && (!strictly18 || session['min_age_limit'] == 18)));
totalSessions += center['sessions'].length;
$('#district-' + district.id + ' .session-count').html('Sessions: ' + district.totalSessions);
center['sessions'].forEach(session => {
let isShowing = (!show18 || session['min_age_limit'] == 18);
let sessionObj = new Session(session['session_id'], session['date'], session['min_age_limit'], session['vaccine'], session['available_capacity'], isShowing, centerObj.id);
sessions[sessionObj.id] = sessionObj;
if(isShowing){
changeActiveSessions(district, isShowing);
}
centerObj.addSession(sessionObj);
});
addCenter(districtObj, centerObj);
});
});
}
});
$("#main-loader .spinner-border").hide();
});
}
});
$(document).on('click', '#only-18', function(){
only18();
});
});
</script>
</body>
</html>