flaglib/lib/studentattendance.js

Ignition event 15 added.

var util = require('util');
var LatLon = require('./LatLon.js');
var Util = require('./util.js');
var logger = require('./logger');
var Zone = require('./zone');

module.exports = StudentAttendance;

var PROFILE = "1";
var STD_NAME = "2";
var RFID = "3";
var PARENT_MOB = "4";
var ARN = "5";
var PLATFORM = "6";
var IN_ALERT_STATUS = "7";
var OUT_ALERT_STATUS = "8";
var LAST_SWIPE_TIME = "9";
var RESET_COUNT = "10"; //if student is IN, and OUT, it is one reset.
var SMS = "11"; 
var ZONES = "12"; 
var ANDROID = "13"; 
var IOS = "14"; 
//ALERT IN = 0x2, ALERT OUT = 0x4, BOTH = 0x6, NONE = 0x0

var utility = new Util();

function StudentAttendance() {	
	this.profile_name = "";
	this.stud_name = "";
	this.rfid = "";
	this.parent_mob = "";
	this.platform = "null";
	this.arn = "";
	this.in_alert_status = 0;
	this.out_alert_status = 0;	
	this.resetCount = 0;
	this.sms = 0; //0 = NEVER send SMS
	this.invalid = true;	
	this.zones = [];
	this.android = "";
	this.ios = "";
	this.last_swipe_time = 0;
}

/*
 *if user has no pickupID associated, and if valid lat, lon add the details to ,  
 */

StudentAttendance.prototype.updateStudentData = function(profile_name, android, ios,stud_name, rfid, parent_mob, platform, arn,sms,zones){
	//try to get UserARN from UserRegistry, assign null otherwise
	
	logger.info("updateStudentData");
	this.profile_name = profile_name;
	this.stud_name = stud_name;
	this.rfid = rfid;
	this.parent_mob = parent_mob;
	this.platform = platform;	
	this.arn = arn;	
	this.sms = sms;
	this.invalid = false;
	this.android = android;
	this.ios = ios;
	console.log("updateStudentData: zones length: "+zones.length);
	for (var i = 0;i<zones.length;i++){
		var zone = new Zone();
		zone.updateZoneData(zones[i].zone_id, zones[i].pair_zone_id, zones[i].zone_name, zones[i].alert_parent,zones[i].alert_admin);
		this.zones.push(zone);
	}

}


StudentAttendance.prototype.alertOnSwipe = function(zone_id,rfid,pushParams,smsParams,swipe_time,swipe_gap){	
	
	logger.info("alertOnSwipe: "+rfid);
	if ((rfid == null )|| (rfid == undefined)||(pushParams == null )|| (pushParams == undefined)||(smsParams == null )|| (smsParams == undefined)){
		return;
	}


	//the time between two gates shoud be < 5 seconds. This helps tp handle the case, in same gate if two pillers has 
	// two different readers and both push the data, then the time stamp is same.
	logger.info("alertOnSwipe gap:  "+(swipe_time - this.last_swipe_time));
	if ( (swipe_time - this.last_swipe_time) <= 5*1000){
		this.last_swipe_time = swipe_time;
		return;
	}
	this.last_swipe_time = swipe_time;
	//first act on paired zones
	for (var i = 0;i<this.zones.length;i++){
		var zone = this.zones[i];				
		zone.alertOnSwipe(zone_id, rfid, swipe_time,swipe_gap,this.profile_name, this.stud_name,this.parent_mob, this.arn,pushParams,smsParams,this.android,this.ios,this.sms);
	}
	
}

StudentAttendance.prototype.isInValid = function(){
	return this.invalid;
}

/*
 * Parse JSON obejct and create objects
 */

StudentAttendance.prototype.fromJSON = function(data){
	if (data == null){
		this.invalid = true;
		return;
	}
	
	var flagJson = null; 
	flagJson = JSON.parse(utility.hex2a(data));
	
	this.profile_name = flagJson[PROFILE];
	this.stud_name = flagJson[STD_NAME];
	this.rfid = flagJson[RFID];
	this.parent_mob = flagJson[PARENT_MOB];
	this.platform = flagJson[PLATFORM];	
	this.arn = flagJson[ARN];	
	this.in_alert_status = flagJson[IN_ALERT_STATUS];
	this.out_alert_status = flagJson[OUT_ALERT_STATUS];	
	this.resetCount = flagJson[RESET_COUNT];
	this.sms = flagJson[SMS];
	this.android = flagJson[ANDROID];
	this.ios = flagJson[IOS];
	this.last_swipe_time = flagJson[LAST_SWIPE_TIME];

	var zones = JSON.parse(flagJson[ZONES]);
	
	if ((zones == undefined) || (zones == null)){
		
		this.zones = null;
		return;
	}

	this.zones = [];
		
	for(var i=0;i<zones.length;i++){
		
		var zone = new Zone();
		zone.fromJSON(zones[i]);
		this.zones.push(zone);		
	}

	this.invalid = false;

}


/*
 * Parse it to JSON to store
 */
StudentAttendance.prototype.toJSON = function(){
		
	var mainObj = {};	
	mainObj[PROFILE] = this.profile_name;
	mainObj[STD_NAME] = this.stud_name;
	mainObj[RFID] = this.rfid;
	mainObj[PARENT_MOB] = this.parent_mob;
	mainObj[PLATFORM] = this.platform;	
	mainObj[ARN] = this.arn;		
	mainObj[IN_ALERT_STATUS] = this.in_alert_status;
	mainObj[OUT_ALERT_STATUS] = this.out_alert_status;	
	mainObj[RESET_COUNT] = this.resetCount;
	mainObj[SMS] = this.sms;
	mainObj[ANDROID] = this.android;
	mainObj[IOS] = this.ios;
	mainObj[LAST_SWIPE_TIME] = this.last_swipe_time;

	var zones = [];
	if (this.zones != null){
		
		for(var i=0;i<this.zones.length;i++){
			
			zones.push(this.zones[i].toJSON());
		}
		
		mainObj[ZONES] = JSON.stringify(zones);
	}else{
		mainObj[ZONES] = "";
	}


	
	return utility.convertFromAscii2Hexa(JSON.stringify(mainObj));
	
}