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Simple departure monitor

Show the next departures on a station.

Demo

Code excerpt

          
            jQuery(function($){
  const mobilitybox_access_token = 'aaddf669-8b4b-44ff-a2a3-ae70841e75fb';
  const mobilitybox = new Mobilitybox(mobilitybox_access_token);
  const departures_update_time_in_seconds = 10;

  mobilitybox.get_attributions().then((attributions)=>{
    $(".attributions").html(attributions.html);
  })

  mobilitybox.find_stations_by_name({query: "Hamburg-Dammtor"}).then((stations)=>{
    var station = stations[0];
    StationHTML(station).appendTo($(".departures"));

    init_fetch_departures_loop(station, departures_update_time_in_seconds);
  });
});

function init_fetch_departures_loop(station, departures_update_time_in_seconds){
  fetch_departures_and_update_list(station);
  setInterval(function(){
    fetch_departures_and_update_list(station);
  }, departures_update_time_in_seconds * 1000);
}

function fetch_departures_and_update_list(station){
  station.get_next_departures().then((departures)=>{
    add_or_update_departures_in_list(departures);
    remove_old_departures_from_list(departures);
  });
}

function add_or_update_departures_in_list(departures){
  departures.map((departure)=>{
    const $departure_html = DepartureHTML(departure);

    if (jQuery('#'+departure.id).length > 0){
      jQuery('#'+departure.id).replaceWith($departure_html)
    }else{
      $departure_html.appendTo(jQuery('.departures'));
    }
  })
}

function remove_old_departures_from_list(departures){
  const received_departure_ids = departures.map((departure)=>{
    return departure.id
  });

  jQuery('.departure').not('#'+received_departure_ids.join(', #')).remove();
}


function StationHTML(station){
  return jQuery(
    '<a href="#" class="list-group-item list-group-item-action active">'+
      '<div class="d-flex w-100 justify-content-between">'+
        '<h5 class="mb-1">'+station.name+'</h5>'+
      '</div>'+
    '</a>'
  )
}

function DepartureHTML(departure){
  return jQuery(
    '<a href="#" class="list-group-item list-group-item-action departure" id="'+departure.id+'">'+
      '<div class="d-flex w-100 justify-content-between">'+
        '<h5 class="mb-1">'+departure.headsign+'</h5>'+
        '<bold>'+departure.departure_time.scheduled_at_formatted()+'</bold>'+
      '</div>'+
      '<p class="mb-1">'+departure.line_name+'</p>'+
      '<small>'+departure.provider+'</small>'+
    '</a>'
  )
}
          
        

Full HTML-Code


<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title>Simple departure monitor</title>
		<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />

		<!-- CSS only -->
		<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" integrity="sha384-JcKb8q3iqJ61gNV9KGb8thSsNjpSL0n8PARn9HuZOnIxN0hoP+VmmDGMN5t9UJ0Z" crossorigin="anonymous">
		
		<!-- JS, Popper.js, and jQuery -->
		<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
		<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/popper.min.js" integrity="sha384-9/reFTGAW83EW2RDu2S0VKaIzap3H66lZH81PoYlFhbGU+6BZp6G7niu735Sk7lN" crossorigin="anonymous"></script>
		<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js" integrity="sha384-B4gt1jrGC7Jh4AgTPSdUtOBvfO8shuf57BaghqFfPlYxofvL8/KUEfYiJOMMV+rV" crossorigin="anonymous"></script>
		<script src="https://unpkg.com/mobilitybox/dist/mobilitybox.min.js"></script>

		<style>
			body {
			  background-color: silver;
			}
			
			.attributions {
				border-radius: 0 3px 0 0;
				background-color: white;
				border-left: 0;
				border-bottom: 0;
				padding: 5px;
				font-size: 10px;
			}
		</style>
	</head>
	<body>
		<div class="container">
		  <div class="row">
		    <div class="col-sm">
		      <br />
		      <div class="list-group departures"></div>
		    </div>
		  </div>
		</div>
		<span class="fixed-bottom">
			<span class="attributions border text-muted font-weight-light"></span>
		</span>

		<script type="text/javascript">
      jQuery(function($){
			  const mobilitybox_access_token = 'aaddf669-8b4b-44ff-a2a3-ae70841e75fb';
			  const mobilitybox = new Mobilitybox(mobilitybox_access_token);
			  const departures_update_time_in_seconds = 10;
			
			  mobilitybox.get_attributions().then((attributions)=>{
			    $(".attributions").html(attributions.html);
			  })
			
			  mobilitybox.find_stations_by_name({query: "Hamburg-Dammtor"}).then((stations)=>{
			    var station = stations[0];
			    StationHTML(station).appendTo($(".departures"));
			
			    init_fetch_departures_loop(station, departures_update_time_in_seconds);
			  });
			});
			
			function init_fetch_departures_loop(station, departures_update_time_in_seconds){
			  fetch_departures_and_update_list(station);
			  setInterval(function(){
			    fetch_departures_and_update_list(station);
			  }, departures_update_time_in_seconds * 1000);
			}
			
			function fetch_departures_and_update_list(station){
			  station.get_next_departures().then((departures)=>{
			    add_or_update_departures_in_list(departures);
			    remove_old_departures_from_list(departures);
			  });
			}
			
			function add_or_update_departures_in_list(departures){
			  departures.map((departure)=>{
			    const $departure_html = DepartureHTML(departure);
			
			    if (jQuery('#'+departure.id).length > 0){
			      jQuery('#'+departure.id).replaceWith($departure_html)
			    }else{
			      $departure_html.appendTo(jQuery('.departures'));
			    }
			  })
			}
			
			function remove_old_departures_from_list(departures){
			  const received_departure_ids = departures.map((departure)=>{
			    return departure.id
			  });
			
			  jQuery('.departure').not('#'+received_departure_ids.join(', #')).remove();
			}
			
			
			function StationHTML(station){
			  return jQuery(
			    '<a href="#" class="list-group-item list-group-item-action active">'+
			      '<div class="d-flex w-100 justify-content-between">'+
			        '<h5 class="mb-1">'+station.name+'</h5>'+
			      '</div>'+
			    '</a>'
			  )
			}
			
			function DepartureHTML(departure){
			  return jQuery(
			    '<a href="#" class="list-group-item list-group-item-action departure" id="'+departure.id+'">'+
			      '<div class="d-flex w-100 justify-content-between">'+
			        '<h5 class="mb-1">'+departure.headsign+'</h5>'+
			        '<bold>'+departure.departure_time.scheduled_at_formatted()+'</bold>'+
			      '</div>'+
			      '<p class="mb-1">'+departure.line_name+'</p>'+
			      '<small>'+departure.provider+'</small>'+
			    '</a>'
			  )
			}
		</script>
	</body>
</html>