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/* jshint -W041 */
/* jslint browser: true*/
/* global cordova,StatusBar,angular,console */
//--------------------------------------------------------------------------
// This factory interacts with the ZM Event Server
// over websockets and is responsible for rendering real time notifications
//--------------------------------------------------------------------------
angular.module('zmApp.controllers')
.factory('EventServer',
[ 'ZMDataModel', '$rootScope','$websocket', '$ionicPopup', '$cordovaLocalNotification', '$cordovaBadge', function
( ZMDataModel, $rootScope, $websocket, $ionicPopup,$cordovaLocalNotification, $cordovaBadge) {
var ws;
// Display a max of 5 local notifications
var localNotificationId=5;
//--------------------------------------------------------------------------
// Called once at app start. Does a lazy definition of websockets open
//--------------------------------------------------------------------------
function init()
{
$rootScope.isAlarm = 0;
$rootScope.alarmCount="0";
var loginData = ZMDataModel.getLogin();
if (loginData.isUseEventServer =='0' || !loginData.eventServer)
{
ZMDataModel.zmLog("No Event Server present. Not initializing");
return;
}
ZMDataModel.zmLog("Initializing Websocket with URL " +
loginData.eventServer+" , will connect later...");
ws = $websocket.$new ({
url:loginData.eventServer,
reconnect:true,
reconnectInterval:5000,
lazy:true
});
// Transmit auth information to server
ws.$on ('$open', function() {
ZMDataModel.zmLog("Websocket open");
ws.$emit('auth',
{user:loginData.username,
password:loginData.password});
});
ws.$on ('$close', function() {
ZMDataModel.zmLog ("Websocket closed");
});
// Handles responses back from ZM ES
ws.$on ('$message', function(str) {
ZMDataModel.zmLog("Real-time event: " + JSON.stringify(str));
if (str.status != 'Success')
{
ZMDataModel.zmLog ("Event Error: " + JSON.stringify(str));
ws.$close();
ZMDataModel.displayBanner('error',['Event server rejected credentials', 'Please re-check credentials'],2000,6000);
}
var localNotText = "New Alarms: ";
if (str.status == 'Success' && str.events) // new events
{
var eventsToDisplay=[];
for (var iter=0; iter<str.events.length; iter++)
{
// lets stack the display so they don't overwrite
eventsToDisplay.push(str.events[iter].Name+": new event ("+str.events[iter].EventId+")");
localNotText = localNotText + str.events[iter].Name+",";
}
localNotText = localNotText.substring(0, localNotText.length - 1);
// if we are in background, do a local notification, else do an in app display
if (!ZMDataModel.isBackground())
{
ZMDataModel.zmDebug("App is in foreground, displaying banner");
if (eventsToDisplay.length > 0)
{
ZMDataModel.displayBanner('alarm', eventsToDisplay, 5000, 5000*eventsToDisplay.length);
}
}
else
{
ZMDataModel.zmDebug("App is in background, displaying localNotification");
localNotificationId--;
if ( localNotificationId == 0) // only show last 5
{
localNotificationId = 5;
}
// This is how I am reusing local notifications
// I really don't want to stack local notififcations beyond 5
if ($cordovaLocalNotification.isPresent(localNotificationId))
{
ZMDataModel.zmDebug("Cancelling notification ID " + localNotificationId);
$cordovaLocalNotification.cancel(localNotificationId);
}
ZMDataModel.zmDebug("Creating notification ID " + localNotificationId + " with " +localNotText);
$cordovaLocalNotification.schedule({
id: localNotificationId,
title: 'ZoneMinder Alarms',
text: localNotText,
sound:"file://sounds/blop.mp3"
}).then(function (result) {
// do nothing for now
});
}
// lets set badge of app irrespective of background or foreground
$cordovaBadge.hasPermission().then(function(yes) {
$cordovaBadge.set($rootScope.alarmCount).then(function() {
// You have permission, badge set.
ZMDataModel.zmDebug("Setting badge to " + $rootScope.alarmCount);
}, function(err) {
// You do not have permission.
ZMDataModel.zmDebug("Error Setting badge to " + $rootScope.alarmCount);
});
// You have permission
}, function(no) {
ZMDataModel.zmDebug("zmNinja does not have badge permissions. Please check your phone notification settings");
});
$rootScope.isAlarm = 1;
// Show upto a max of 99 when it comes to display
// so aesthetics are maintained
if ($rootScope.alarmCount == "99")
{
$rootScope.alarmCount="99+";
}
if ($rootScope.alarmCount != "99+")
{
$rootScope.alarmCount = (parseInt($rootScope.alarmCount)+1).toString();
}
}
});
}
//--------------------------------------------------------------------------
// Called each time we resume
//--------------------------------------------------------------------------
function refresh()
{
var loginData = ZMDataModel.getLogin();
if ((!loginData.eventServer) || (loginData.isUseEventServer=="0"))
{
ZMDataModel.zmLog("No Event Server configured, skipping refresh");
// Let's also make sure that if the socket was open
// we close it - this may happen if you disable it after using it
if (typeof ws !== 'undefined')
{
if (ws.$status() != ws.$CLOSED)
{
ZMDataModel.zmDebug("Closing open websocket as event server was disabled");
ws.$close();
}
}
return;
}
if (typeof ws === 'undefined')
{
ZMDataModel.zmDebug ("Calling websocket init");
init();
}
// refresh is called when
// The following situations will close the socket
// a) In iOS the client went to background -- we should reconnect
// b) The Event Server died
// c) The network died
// Seems to me in all cases we should give re-open a shot
if (ws.$status() == ws.$CLOSED)
{
ZMDataModel.zmLog("Websocket was closed, trying to re-open");
ws.$open();
}
}
return {
refresh:refresh,
init:init
};
}]);
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