From 57b8d31119e351b15ffbf90e7f133de7f2818081 Mon Sep 17 00:00:00 2001
From: Jacek Kowalski <Jacek@jacekk.info>
Date: Sat, 15 Apr 2017 15:40:27 +0000
Subject: [PATCH] Add map showing tram location

---
 map.js     |  315 +++++++++++++++++++++++++++++++++++++++
 lang_en.js |    3 
 index.html |    3 
 proxy.php  |   54 ++++++
 map.html   |   21 ++
 lang_pl.js |    3 
 map.css    |   49 ++++++
 7 files changed, 447 insertions(+), 1 deletions(-)

diff --git a/index.html b/index.html
index 6657d2d..8cbeda4 100644
--- a/index.html
+++ b/index.html
@@ -23,6 +23,9 @@
 							</select>
 						</form>
 					</li>
+					<li>
+						<a href="/map.html" data-translate="map">Map</a>
+					</li>
 				</ul>
 				
 				
diff --git a/lang_en.js b/lang_en.js
index 5f10c13..675ad2c 100644
--- a/lang_en.js
+++ b/lang_en.js
@@ -3,6 +3,8 @@
 	page_title: 'TTSS Krak\u00F3w - Real-time tram departures',
 	page_title_stop_name: 'TTSS Krak\u00F3w - $stop - Real-time tram departures',
 	
+	map: 'Map',
+	
 	jquery_not_loaded: 'Required JavaScript jQuery library failed to load. You may try refreshing the page.',
 	enter_stop_name_to_begin: 'Enter the stop name to begin.',
 	select_stop_click_go: 'Select the stop and click "Go".',
@@ -64,4 +66,5 @@
 	error_request_failed_status: 'Internet request failed with error: $status.',
 	error_request_failed_connectivity: 'Request failed - please check your network connectivity.',
 	error_new_version: 'Website has been updated, reloading...',
+	error_refresh: 'Error! Refresh the page to update information.',
 };
diff --git a/lang_pl.js b/lang_pl.js
index 92a95ac..4d8b347 100644
--- a/lang_pl.js
+++ b/lang_pl.js
@@ -3,6 +3,8 @@
 	page_title: 'TTSS Krak\u00F3w - Odjazdy tramwajów na żywo',
 	page_title_stop_name: 'TTSS Krak\u00F3w - $stop - Odjazdy tramwajów na żywo',
 	
+	map: 'Map',
+	
 	jquery_not_loaded: 'Wymagana biblioteka jQuery nie została poprawnie załadowana. Spróbuj odświeżyć stronę.',
 	enter_stop_name_to_begin: 'Zacznij wpisywać nazwę przystanku.',
 	select_stop_click_go: 'Wyierz przystanek i kliknij "Dalej".',
@@ -64,4 +66,5 @@
 	error_request_failed_status: 'Wykonanie żądania internetowego nie udało się. Błąd: $status.',
 	error_request_failed_connectivity: 'Wykonanie żądania internetowego nie udało się - sprawdź połączenie z siecią.',
 	error_new_version: 'Strona została zaktualizowana, przeładowuję...',
+	error_refresh: 'Błąd! Odśwież stronę, by zaktualizować dane.',
 };
diff --git a/map.css b/map.css
new file mode 100644
index 0000000..e497aec
--- /dev/null
+++ b/map.css
@@ -0,0 +1,49 @@
+html, body, #map {
+	width: 100%;
+	height: 100%;
+	margin: 0;
+	font-family: sans-serif;
+}
+
+#popup {
+	color: black;
+	background: white;
+	padding: 5px;
+	border: 1px solid black;
+	border-radius: 10px;
+	font-size: 12px;
+}
+#popup p {
+	margin: 0;
+	padding: 5px;
+}
+#popup .bold {
+	font-weight: bold;
+}
+
+#title {
+	top: .5em;
+	left: .5em;
+	padding: 2px .5em;
+	font-weight: bold;
+	background-color: rgba(255,255,255,.6);
+}
+#fail {
+	top: -10em;
+	right: 0.5em;
+	background: red;
+	color: white;
+	font-weight: bold;
+	padding: 5px;
+}
+.ol-zoom {
+	top: 2.2em;
+}
+
+a {
+	color: #337ab7;
+	text-decoration: none;
+}
+a:hover {
+	text-decoration: underline;
+}
diff --git a/map.html b/map.html
new file mode 100644
index 0000000..1fdf9b5
--- /dev/null
+++ b/map.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>TTSS Kraków - Map</title>
+<link rel="stylesheet" href="https://openlayers.org/en/v4.1.0/css/ol.css" type="text/css" />
+<link rel="stylesheet" href="map.css" type="text/css" />
+</head>
+<body>
+<div id="map">
+<div id="title" class="ol-unselectable ol-control"><a href="/">TTSS Kraków</a></div>
+<div id="fail" class="ol-unselectable ol-control"></div>
+<div id="popup"></div>
+</div>
+<script src="https://code.jquery.com/jquery-3.1.1.min.js" integrity="sha384-3ceskX3iaEnIogmQchP8opvBy3Mi7Ce34nWjpBIwVTHfGYWQS9jwHDVRnpKKHJg7" crossorigin="anonymous"></script>
+<script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList"></script>
+<script src="https://openlayers.org/en/v4.1.0/build/ol.js" integrity="sha384-FkrvSU9IkctjoF6eTvw82jZvg4Rn04zw5X2nCQnYF+vT8IbAY+DJ23IIoaVDtiMe" crossorigin="anonymous"></script>
+<script tyle="text/javascript" src="lang_en.js" id="lang_script"></script>
+<script tyle="text/javascript" src="common.js"></script>
+<script tyle="text/javascript" src="map.js"></script>
+</body>
+</html>
diff --git a/map.js b/map.js
new file mode 100644
index 0000000..34493f9
--- /dev/null
+++ b/map.js
@@ -0,0 +1,315 @@
+//var ttss_base = 'http://www.ttss.krakow.pl/internetservice';
+var ttss_base = '/proxy.php';
+var ttss_refresh = 5000; // 5 seconds
+
+var vehicles_xhr = null;
+var vehicles_timer = null;
+var vehicles_last_update = 0;
+var vehicles_source = null;
+var vehicles_layer = null;
+
+var stops_xhr = null;
+var stops_source = null;
+var stops_layer = null;
+var stop_points_source = null;
+var stop_points_layer = null;
+
+var map = null;
+var popup_feature_id = null;
+var popup_element = document.getElementById('popup');
+var popup = null;
+var fail_element = document.getElementById('fail');
+
+function fail(msg) {
+	console.log(msg);
+	
+	setText(fail_element, msg);
+	fail_element.style.top = '0.5em';
+}
+
+function fail_ajax(data) {
+	// abort() is not a failure
+	if(data.readyState == 0 && data.statusText == 'abort') return;
+	
+	if(data.status == 0) {
+		fail(lang.error_request_failed_connectivity, data);
+	} else if (data.statusText) {
+		fail(lang.error_request_failed_status.replace('$status', data.statusText), data);
+	} else {
+		fail(lang.error_request_failed, data);
+	}
+}
+
+function popupHide() {
+	popup.setPosition(undefined);
+	popup_feature_id = null;
+}
+
+function popupShow(coordinates, id) {
+	popup.setPosition(coordinates);
+	if(id) {
+		popup_feature_id = id;
+	}
+}
+
+function getGeometry(object) {
+	return new ol.geom.Point(ol.proj.fromLonLat([object.longitude / 3600000.0, object.latitude / 3600000.0]))
+}
+
+function updateVehicles() {
+	if(vehicles_timer) clearTimeout(vehicles_timer);
+	if(vehicles_xhr) vehicles_xhr.abort();
+	
+	vehicles_xhr = $.get(
+		ttss_base + '/geoserviceDispatcher/services/vehicleinfo/vehicles' 
+			+ '?positionType=CORRECTED'
+			+ '&colorType=ROUTE_BASED'
+			+ '&lastUpdate=' + encodeURIComponent(vehicles_last_update)
+	).done(function(data) {
+		vehicles_last_update = data.lastUpdate;
+		
+		for(var i = 0; i < data.vehicles.length; i++) {
+			var vehicle = data.vehicles[i];
+			
+			var vehicle_feature = vehicles_source.getFeatureById('v' + vehicle.id);
+			if(vehicle.isDeleted) {
+				if(vehicle_feature) {
+					vehicles_source.removeFeature(vehicle_feature);
+					if(popup_feature_id == vehicle_feature.getId()) {
+						popupHide();
+					}
+				}
+				continue;
+			}
+			
+			var vehicle_name_space = vehicle.name.indexOf(' ');
+			vehicle.line = vehicle.name.substr(0, vehicle_name_space);
+			vehicle.direction = vehicle.name.substr(vehicle_name_space+1);
+			if(special_directions[vehicle.direction]) {
+				vehicle.line = special_directions[vehicle.direction];
+			}
+			
+			vehicle.geometry = getGeometry(vehicle);
+			vehicle.vehicle_type = parseVehicle(vehicle.id);
+			
+			if(!vehicle_feature) {
+				vehicle_feature = new ol.Feature(vehicle);
+				vehicle_feature.setId('v' + vehicle.id);
+				
+				var color_type = 'black';
+				if(vehicle.vehicle_type) {
+					switch(vehicle.vehicle_type.low) {
+						case 0:
+							color_type = 'orange';
+							break;
+						case 1:
+							color_type = 'blue';
+							break;
+						case 2:
+							color_type = 'green';
+							break;
+					}
+				}
+				
+				vehicle_feature.setStyle(new ol.style.Style({
+					image: new ol.style.RegularShape({
+						fill: new ol.style.Fill({color: '#3399ff'}),
+						stroke: new ol.style.Stroke({color: color_type, width: 2}),
+						points: 3,
+						radius: 12,
+						rotation: Math.PI * parseFloat(vehicle.heading) / 180.0,
+						rotateWithView: true,
+						angle: 0
+					}),
+					text: new ol.style.Text({
+						font: 'bold 10px sans-serif',
+						text: vehicle.line,
+						fill: new ol.style.Fill({color: 'white'}),
+					}),
+				}));
+				vehicles_source.addFeature(vehicle_feature);
+			} else {
+				vehicle_feature.setProperties(vehicle);
+				vehicle_feature.getStyle().getImage().setRotation(Math.PI * parseFloat(vehicle.heading) / 180.0);
+				
+				if(popup_feature_id == vehicle_feature.getId()) {
+					popupShow(vehicle_feature.getGeometry().getCoordinates());
+				}
+			}
+		}
+		
+		vehicles_timer = setTimeout(function() {
+			updateVehicles();
+		}, ttss_refresh);
+	}).fail(fail_ajax);
+}
+
+function updateStopSource(stops, prefix, source) {
+	source.clear();
+	
+	for(var i = 0; i < stops.length; i++) {
+		var stop = stops[i];
+		stop.geometry = getGeometry(stop);
+		var stop_feature = new ol.Feature(stop);
+		
+		stop_feature.setId(prefix + stop.id);
+		stop_feature.setStyle(new ol.style.Style({
+			image: new ol.style.Circle({
+				fill: new ol.style.Fill({color: 'orange'}),
+				stroke: new ol.style.Stroke({color: 'red', width: 1}),
+				radius: 3,
+			}),
+		}));
+		
+		source.addFeature(stop_feature);
+	}
+}
+
+function updateStops() {
+	$.get(
+		ttss_base + '/geoserviceDispatcher/services/stopinfo/stops'
+			+ '?left=-648000000'
+			+ '&bottom=-324000000'
+			+ '&right=648000000'
+			+ '&top=324000000'
+	).done(function(data) {
+		updateStopSource(data.stops, 's', stops_source);
+	}).fail(fail_ajax);
+}
+
+function updateStopPoints() {
+	$.get(
+		ttss_base + '/geoserviceDispatcher/services/stopinfo/stopPoints'
+			+ '?left=-648000000'
+			+ '&bottom=-324000000'
+			+ '&right=648000000'
+			+ '&top=324000000'
+	).done(function(data) {
+		updateStopSource(data.stopPoints, 'p', stop_points_source);
+	}).fail(fail_ajax);
+}
+
+function init() {
+	if(!window.jQuery) {
+		fail(lang.jquery_not_loaded);
+		return;
+	}
+	
+	$.ajaxSetup({
+		dataType: 'json',
+		timeout: 10000,
+	});
+	
+	stops_source = new ol.source.Vector({
+		features: [],
+	});
+	stops_layer = new ol.layer.Vector({
+		source: stops_source,
+	});
+	
+	stop_points_source = new ol.source.Vector({
+		features: [],
+	});
+	stop_points_layer = new ol.layer.Vector({
+		source: stop_points_source,
+		visible: false,
+	});
+	
+	vehicles_source = new ol.source.Vector({
+		features: [],
+	});
+	vehicles_layer = new ol.layer.Vector({
+		source: vehicles_source,
+	});
+	
+	popup = new ol.Overlay({
+		element: popup_element,
+		positioning: 'bottom-center',
+		stopEvent: false,
+		offset: [0, -12]
+	});
+	
+	map = new ol.Map({
+		target: 'map',
+		layers: [
+			new ol.layer.Tile({
+				source: new ol.source.OSM()
+			}),
+			stops_layer,
+			stop_points_layer,
+			vehicles_layer,
+		],
+		overlays: [popup],
+		view: new ol.View({
+			center: ol.proj.fromLonLat([19.94, 50.06]),
+			zoom: 13
+		}),
+		controls: ol.control.defaults({
+			attributionOptions: ({
+				collapsible: false,
+			})
+		}).extend([
+			new ol.control.Control({
+				element: document.getElementById('title'),
+			}),
+			new ol.control.Control({
+				element: fail_element,
+			})
+		]),
+	});
+	
+	// Display popup on click
+	map.on('singleclick', function(e) {
+		var feature = map.forEachFeatureAtPixel(e.pixel, function(feature) { return feature; });
+		if(feature) {
+			var coordinates = feature.getGeometry().getCoordinates();
+			
+			deleteChildren(popup_element);
+			
+			addParaWithText(popup_element, feature.get('name')).className = 'bold';
+			switch(feature.getId().substr(0, 1)) {
+				case 'v':
+					var vehicle_type = parseVehicle(feature.get('id'));
+					if(vehicle_type) {
+						addParaWithText(popup_element, vehicle_type.num + ' ' + vehicle_type.type);
+					}
+				break;
+			}
+			
+			popupShow(coordinates, feature.getId());
+		} else {
+			popupHide();
+		}
+	});
+
+	// Change mouse cursor when over marker
+	map.on('pointermove', function(e) {
+		var hit = map.hasFeatureAtPixel(e.pixel);
+		var target = map.getTargetElement();
+		target.style.cursor = hit ? 'pointer' : '';
+	});
+	
+	// Change layer visibility on zoom
+	map.getView().on('change:resolution', function(e) {
+		if(map.getView().getZoom() >= 16) {
+			stops_layer.setVisible(false);
+			stop_points_layer.setVisible(true);
+		} else {
+			stops_layer.setVisible(true);
+			stop_points_layer.setVisible(false);
+		}
+	});
+	
+	updateVehicles();
+	updateStops();
+	updateStopPoints();
+	
+	setTimeout(function() {
+		if(vehicles_xhr) vehicles_xhr.abort();
+		if(vehicles_timer) clearTimeout(vehicles_timer);
+		  
+		fail(lang.error_refresh);
+	}, 1800000);
+}
+
+init();
diff --git a/proxy.php b/proxy.php
index dad3670..9962f91 100644
--- a/proxy.php
+++ b/proxy.php
@@ -1,4 +1,17 @@
 <?php
+function is_number($str) {
+	$str = (string)$str;
+
+	return
+		ctype_digit($str)
+		OR
+		(
+			substr($str, 0, 1) == '-'
+			AND
+			ctype_digit(substr($str, 1))
+		);
+}
+
 $base_proxy = 'http://www.ttss.krakow.pl/internetservice';
 $method = [
 	'/services/lookup/autocomplete/json' => [
@@ -7,6 +20,14 @@
 	'/services/passageInfo/stopPassages/stop' => [
 		'stop' => 'ctype_alnum',
 		'mode' => function($mode) { return in_array($mode, ['arrival', 'departure']); },
+		#'startTime' => 'ctype_digit',
+		#'timeFrame' => 'ctype_digit',
+	],
+	'/services/passageInfo/stopPassages/stopPoint' => [
+		'stopPoint' => 'is_number',
+		'mode' => function($mode) { return in_array($mode, ['arrival', 'departure']); },
+		#'startTime' => 'ctype_digit',
+		#'timeFrame' => 'ctype_digit',
 	],
 	'/services/tripInfo/tripPassages' => [
 		'tripId' => 'ctype_digit',
@@ -14,7 +35,38 @@
 		#'vehicleId' => 'ctype_digit',
 	],
 	'/services/routeInfo/routeStops' => [
-		'routeId' => 'ctype_alnum'
+		'routeId' => 'ctype_alnum',
+	],
+	'/services/stopInfo/stop' => [
+		'stop' => 'is_number',
+	],
+	'/services/stopInfo/stopPoint' => [
+		'stopPoint' => 'is_number',
+	],
+	
+	'/geoserviceDispatcher/services/stopinfo/stops' => [
+		'left' => 'is_number',
+		'bottom' => 'is_number',
+		'right' => 'is_number',
+		'top' => 'is_number',
+	],
+	'/geoserviceDispatcher/services/stopinfo/stopPoints' => [
+		'left' => 'is_number',
+		'bottom' => 'is_number',
+		'right' => 'is_number',
+		'top' => 'is_number',
+	],
+	'/geoserviceDispatcher/services/pathinfo/route' => [
+		'id' => 'is_number',
+		'direction' => 'is_number',
+	],
+	'/geoserviceDispatcher/services/pathinfo/vehicle' => [
+		'id' => 'is_number',
+	],
+	'/geoserviceDispatcher/services/vehicleinfo/vehicles' => [
+		'lastUpdate' => 'ctype_digit',
+		'positionType' => function($type) { return in_array($type, ['CORRECTED']); },
+		'colorType' => function($type) { return in_array($type, ['ROUTE_BASED']); },
 	],
 ];
 $rewrite = [

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