stratux/web/plates/js/traffic.js

241 wiersze
7.2 KiB
JavaScript

angular.module('appControllers').controller('TrafficCtrl', TrafficCtrl); // get the main module contollers set
TrafficCtrl.$inject = ['$rootScope', '$scope', '$state', '$http', '$interval']; // Inject my dependencies
// create our controller function with all necessary logic
function TrafficCtrl($rootScope, $scope, $state, $http, $interval) {
$scope.$parent.helppage = 'plates/traffic-help.html';
$scope.data_list = [];
$scope.data_list_invalid = [];
function utcTimeString(epoc) {
var time = "";
var val;
var d = new Date(epoc);
val = d.getUTCHours();
time += (val < 10 ? "0" + val : "" + val);
val = d.getUTCMinutes();
time += ":" + (val < 10 ? "0" + val : "" + val);
val = d.getUTCSeconds();
time += ":" + (val < 10 ? "0" + val : "" + val);
time += "Z";
return time;
}
/*
function dmsString(val) {
return [0 | val,
'° ',
0 | (val < 0 ? val = -val : val) % 1 * 60,
"' ",
0 | val * 60 % 1 * 60,
'"'].join('');
}
*/
// chop off seconds for space
function dmsString(val) {
var deg;
var min;
deg = 0 | val;
min = 0 | (val < 0 ? val = -val : val) % 1 * 60;
return [deg*deg < 100 ? "0" + deg : deg,
'° ',
min < 10 ? "0" + min : min,
"' "].join('');
}
function setAircraft(obj, new_traffic) {
new_traffic.icao_int = obj.Icao_addr;
new_traffic.targettype = obj.TargetType;
new_traffic.signal = obj.SignalLevel;
new_traffic.addr_symb ='\u2708';
if (new_traffic.targettype > 3) {
new_traffic.addr_symb ='\ud83d\udce1';
}
new_traffic.icao = obj.Icao_addr.toString(16).toUpperCase();
new_traffic.tail = obj.Tail;
new_traffic.reg = obj.Reg;
if (obj.Squawk == 0) {
new_traffic.squawk = "----";
} else {
new_traffic.squawk = obj.Squawk;
}
new_traffic.addr_type = obj.Addr_type;
new_traffic.lat = dmsString(obj.Lat);
new_traffic.lon = dmsString(obj.Lng);
var n = Math.round(obj.Alt / 25) * 25;
new_traffic.alt = n.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
var s = Math.round(obj.Speed / 5) * 5;
if (obj.Speed_valid) {
new_traffic.speed = s.toString();
new_traffic.heading = Math.round(obj.Track / 5) * 5;
} else {
new_traffic.speed = "---";
new_traffic.heading = "---";
}
new_traffic.vspeed = Math.round(obj.Vvel / 100) * 100
var timestamp = Date.parse(obj.Timestamp);
new_traffic.time = utcTimeString(timestamp);
new_traffic.age = obj.Age;
new_traffic.ageLastAlt = obj.AgeLastAlt;
new_traffic.src = obj.Last_source; // 1=ES, 2=UAT
new_traffic.bearing = Math.round(obj.Bearing); // degrees true
new_traffic.dist = (obj.Distance/1852); // nautical miles
// return new_aircraft;
}
function connect($scope) {
if (($scope === undefined) || ($scope === null))
return; // we are getting called once after clicking away from the status page
if (($scope.socket === undefined) || ($scope.socket === null)) {
socket = new WebSocket(URL_TRAFFIC_WS);
$scope.socket = socket; // store socket in scope for enter/exit usage
}
$scope.ConnectState = "Disconnected";
socket.onopen = function (msg) {
// $scope.ConnectStyle = "label-success";
$scope.ConnectState = "Connected";
};
socket.onclose = function (msg) {
// $scope.ConnectStyle = "label-danger";
$scope.ConnectState = "Disconnected";
$scope.$apply();
setTimeout(connect, 1000);
};
socket.onerror = function (msg) {
// $scope.ConnectStyle = "label-danger";
$scope.ConnectState = "Problem";
$scope.$apply();
};
socket.onmessage = function (msg) {
console.log('Received traffic update.')
var message = JSON.parse(msg.data);
$scope.raw_data = angular.toJson(msg.data, true);
// we need to use an array so AngularJS can perform sorting; it also means we need to loop to find an aircraft in the traffic set
var validIdx = -1;
var invalidIdx = -1;
for (var i = 0, len = $scope.data_list.length; i < len; i++) {
if ($scope.data_list[i].icao_int === message.Icao_addr) {
setAircraft(message, $scope.data_list[i]);
validIdx = i;
break;
}
}
for (var i = 0, len = $scope.data_list_invalid.length; i < len; i++) {
if ($scope.data_list_invalid[i].icao_int === message.Icao_addr) {
setAircraft(message, $scope.data_list_invalid[i]);
invalidIdx = i;
break;
}
}
if ((validIdx < 0) && (message.Position_valid)) {
var new_traffic = {};
setAircraft(message, new_traffic);
$scope.data_list.unshift(new_traffic); // add to start of valid array.
}
if ((invalidIdx < 0) && (!message.Position_valid)) {
var new_traffic = {};
setAircraft(message, new_traffic);
$scope.data_list_invalid.unshift(new_traffic); // add to start of invalid array.
}
// Handle the negative cases of those above - where an aircraft moves from "valid" to "invalid" or vice-versa.
if ((validIdx >= 0) && !message.Position_valid) {
// Position is not valid any more. Remove from "valid" table.
$scope.data_list.splice(validIdx, 1);
}
if ((invalidIdx >= 0) && message.Position_valid) {
// Position is now valid. Remove from "invalid" table.
$scope.data_list_invalid.splice(invalidIdx, 1);
}
$scope.$apply();
};
}
var getClock = $interval(function () {
$http.get(URL_STATUS_GET).
then(function (response) {
globalStatus = angular.fromJson(response.data);
var tempClock = new Date(Date.parse(globalStatus.Clock));
var clockString = tempClock.toUTCString();
$scope.Clock = clockString;
var tempUptimeClock = new Date(Date.parse(globalStatus.UptimeClock));
var uptimeClockString = tempUptimeClock.toUTCString();
$scope.UptimeClock = uptimeClockString;
var tempLocalClock = new Date;
$scope.LocalClock = tempLocalClock.toUTCString();
$scope.SecondsFast = (tempClock-tempLocalClock)/1000;
$scope.GPS_connected = globalStatus.GPS_connected;
}, function (response) {
// nop
});
}, 500, 0, false);
// perform cleanup every 10 seconds
var clearStaleTraffic = $interval(function () {
// remove stale aircraft = anything more than 59 seconds without a position update
var cutoff = 59;
// Clean up "valid position" table.
for (var i = $scope.data_list.length; i > 0; i--) {
if ($scope.data_list[i - 1].age >= cutoff) {
$scope.data_list.splice(i - 1, 1);
}
}
// Clean up "invalid position" table.
for (var i = $scope.data_list_invalid.length; i > 0; i--) {
if (($scope.data_list_invalid[i - 1].age >= cutoff) || ($scope.data_list_invalid[i - 1].ageLastAlt >= cutoff)) {
$scope.data_list_invalid.splice(i - 1, 1);
}
}
}, (1000 * 10), 0, false);
$state.get('traffic').onEnter = function () {
// everything gets handled correctly by the controller
};
$state.get('traffic').onExit = function () {
// disconnect from the socket
if (($scope.socket !== undefined) && ($scope.socket !== null)) {
$scope.socket.close();
$scope.socket = null;
}
// stop stale traffic cleanup
$interval.cancel(clearStaleTraffic);
};
// Traffic Controller tasks
connect($scope); // connect - opens a socket and listens for messages
};