<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title>Wialon Playground - Login</title>
    <script type="text/javascript" src="//code.jquery.com/jquery-latest.min.js"></script>
    <script type="text/javascript" src="//hst-api.wialon.com/wsdk/script/wialon.js"></script>
</head>
<body>

Token: <input type="text" id="token"/>
<input type="button" value="login" id="login_btn" />

    <div id="unit_select_container" style="display:none;">Unit: <select></select> <button>Get last messages</button></div>

<div id="log"></div>

</body>
</html>HTML

#log {
  border: 1px solid #c6c6c6;
}CSS

// Print message to log
function msg(text) { $("#log").prepend(text + "<br/>"); }

var session, remote;

function onLogin() {
	msg("Logged successfully"); // login succeed

	$("#login_btn").hide();

	remote = wialon.core.Remote.getInstance();

	var unitSelectContainerEl = document.getElementById('unit_select_container'),
	    unitsSelectEl = unitSelectContainerEl.querySelector('select'),
	    executeButtonEl = unitSelectContainerEl.querySelector('button');

	// Load all units to the session
	var dataFlags = wialon.util.Number.or(wialon.item.Item.dataFlag.base, wialon.item.Unit.dataFlag.sensors);

	session.updateDataFlags([{ type: 'type', data: 'avl_unit', flags: dataFlags , mode: 0 }], function(error) {
		if (error) {
			msg(wialon.core.Errors.getErrorText(error));
			return;
		}

		var units = session.getItems('avl_unit');

		if (!units || !units.length) {
			msg('No units available');
			return;
		}

		wialon.util.Helper.sortItems(units);

		units.forEach(function(unit) {
			var optionEl = document.createElement('option');
			optionEl.value = unit.getId();
			optionEl.innerHTML = unit.getName();
			unitsSelectEl.appendChild(optionEl);
		});

		unitSelectContainerEl.style.display = '';
	});

	executeButtonEl.addEventListener('click', function() {
		executeButtonEl.disabled = true;

		var unit = session.getItem(unitsSelectEl.value);
		if (!unit) {
			executeButtonEl.disabled = false;
			msg('No such unit');
			return;
		}

		remote.startBatch();

		var timeTo = session.getServerTime(),
		    timeFrom = timeTo - 24 * 60 * 60; // 1 day

		var allMessages = null,
		    allSensorValues = null;

		remote.remoteCall('messages/load_interval', {
			itemId: unit.getId(),
			timeFrom: timeFrom,
			timeTo: timeTo,
			flags: 0,
			flagsMask: 0xff00,
			loadCount: 999999
		}, function(error, result) {
			if (error) {
				executeButtonEl.disabled = false;
				msg(wialon.core.Errors.getErrorText(error));
				return;
			}

			allMessages = result.messages;
		});

		remote.remoteCall('unit/calc_sensors', {
			source: '',
			unitId: unit.getId(),
			indexFrom: 0,
			indexTo: 999999,
			sensorId: 0 // all available
		}, function(error, result) {
			if (error) {
				executeButtonEl.disabled = false;
				msg(wialon.core.Errors.getErrorText(error));
				return;
			}

			allSensorValues = result;
		});

		remote.finishBatch(function() {
			if (!allMessages || !allSensorValues) {
				msg('fail');
				return;
			}

			var unitSensors = unit.getSensors();

			allSensorValues.forEach(function(messageSensors, messageIndex) {
				var sensorsData = [];

				for (var key in messageSensors) if (Object.prototype.hasOwnProperty.call(messageSensors, key)) {
					var sensorName = unitSensors[key].n,
					    sensorValue = messageSensors[key];

					sensorsData.push(sensorName + ': ' + sensorValue);
				}

				//rows.push(sensorsData.join(', ');

				msg('<b>' + allMessages[messageIndex].t + ':</b> ' + sensorsData.join(', ') + '<br>');
			});
		});
	});
}

function loadAllMessages(options, callback) {
	var count = options.count;

	var MAX_MESSAGES = 3000;

	var messages = [];

	loadPart(0);

	function loadPart(offset) {
		if (offset >= count) {
			callback(null, messages);
			return;
		}

		remote.remoteCall('messages/get_messages', {
			indexFrom: offset,
			indexTo: offset + MAX_MESSAGES
		}, function(error, result) {
			if (error) {
				callback(error);
				return;
			}

			result.forEach(function(msg) {
				messages.push(msg);
			});

			if (!result.length) {
				callback(null, messages);
				return;
			}

			loadPart(offset + result.length);
		});
	}
}

// Login to server using entered username and password
function login() {
	var sess = wialon.core.Session.getInstance(); // get instance of current Session

	sess.loadLibrary("unitSensors");

	session = sess;

	var user = sess.getCurrUser(); // get current User
	if( user ) { // if user exists - you are already logged, print username to log
		msg("You are logged as '" + user.getName()+"', click logout button first");
		return;
	}

	// if not logged
	var token = $("#token").val(); // get token from input
	if (!token) { // if token is empty - print message to log
		msg("Enter token");
		return;
	}

	msg("Trying to login with token '"+ token +"'");
	sess.initSession("https://hst-api.wialon.com"); // initialize Wialon session
	sess.loginToken(token, "", // trying login 
		function (code) { // login callback
			if (code) msg(wialon.core.Errors.getErrorText(code)); // login failed, print error
			else onLogin();
		}
	);
}

// execute when DOM ready
$(document).ready(function(){
	// For more info about how to generate token check
	// http://sdk.wialon.com/playground/demo/app_auth_token
	$("#token").val("5dce19710a5e26ab8b7b8986cb3c49e58C291791B7F0A7AEB8AFBFCEED7DC03BC48FF5F8");
	// bind actions to buttons click
	$("#login_btn").click( login );
});
JS

Result

Source code of example Close ✕