flaglib/lib/rules.js

Ignition event 15 added.

var util = require('util');

var Util = require('./util.js');
var logger = require('./logger');
var Flag = require('./flag.js');
var GeofenceRule = require('./geofencerule.js');
var FlagConstants = require('./flagconstants.js');

module.exports = Rules;

var RULES = "1";

var GEOFENCE_RULE = 1;

var utility = new Util();


/*
 * Rules:
 * If the vehicle is continuously crosses the speed for 1 min, mean 6 updates
 * then consider this as cutoff crossed.
 * Ones update, don't update for next 30 min. 
 */

function Rules(rules) {
	
	if (rules == null){
		this.invalid = true;
		return;
		
	}
	
	this.rules = [];
	var length = rules.length;
	
	for (var i = 0; i < length; i++) {
		var rule = rules[i];
		if (rule.rule_type == GEOFENCE_RULE) {
			console.log("RULE DATA: "+ rule);
			var gfr = new GeofenceRule(rule);
			if (gfr.isInValid() == false){
				this.rules.push(gfr);
			}
			
		}
	}

	
}

Rules.prototype.checkRules = function(flag, action){
	if (this.invalid == true){
		return;
	}
	
	var length = this.rules.length;
	
	for (var i = 0; i < length; i++) {
		var rule = this.rules[i];
			if (rule.isInValid() == false){
				rule.checkRule(flag,action);
			}
			
	}
}

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

Rules.prototype.injectData = function(rules){
	this.rules = rules;

}


/*
 * Parse JSON obejct and create objects
 */

Rules.prototype.fromJSON = function(data){
	
	if( (data == null) || (data == "") ){
		this.invalid = true;
		return;
	}
	
	var flagJson = null;
	
	flagJson = JSON.parse(utility.hex2a(data));
	
	var rulesArray = JSON.parse(flagJson[RULES]);
	this.rules = [];
	for (var i = 0; i < rulesArray.length; i++) {
		var rule = new GeofenceRule(null);
		rule.fromJSON(rulesArray[i]);
		this.rules.push(rule);

	}
	
	this.invalid = false;
	
}


/*
 * Parse it to JSON to store
 */
Rules.prototype.toJSON = function(){
	
	if (this.invalid == true){
		return "";
	}
	var mainObj = {};
	var rulesArry = [];
	
	if (this.rules)
	for (var i = 0; i < this.rules.length; i++) {
		rulesArry.push(this.rules[i].toJSON());
	}
	mainObj[RULES] = JSON.stringify(rulesArry);
	
	return utility.convertFromAscii2Hexa(JSON.stringify(mainObj));
	
}