Backbone.js Model

bonus_offer_request.js

TRIPCASE.models.BonusOffersRequest = TRIPCASE.Model.extend({
	
	proxyName: 'BonusOffersRequestProxy',
	
	init: function(attrs, options) {
		this.trip = options.trip;
	},
	
	validate: function(attrs) {
		var errors = [];
		if (_.isEmpty(attrs.vendor_code)) {
			errors.push("Vendor must be selected");
		}
		if (_.isEmpty(attrs.bonus_types)) {
			errors.push("Bonus type(s) must be selected");
		}
		if (this.hasDateRange(attrs) && this.isInvalidRange(attrs)) {
			errors.push("The end date cannot be before the start date");
		}
		if (this.isExpiredRange(attrs)) {
			errors.push('The end date cannot be in the past');
		}
		return _.any(errors) ? errors : null;			
	},
	
	hasDateRange: function(attrs) {
		attrs || (attrs = this.attributes);
		return !_.isEmpty(attrs.start_date) && !_.isEmpty(attrs.end_date);
	},
	
	isInvalidRange: function(attrs) {
		attrs || (attrs = this.attributes);
		var startDate = this.get('start_date').isoDateStrToDate();
		var endDate = this.get('end_date').isoDateStrToDate();
		return startDate.compareTo(endDate) > 0;		
	},
	
	isExpiredRange: function(attrs) {
		attrs || (attrs = this.attributes);
		var endDate = this.get("end_date");
		if (_.isEmpty(endDate)) return false;
		var now = new Date();
		var endTime = endDate.isoDateStrToDate();
		return now.compareTo(endTime) > 0;
	},
	
	getTrip: function() {
		return this.trip;
	},
	
	getAvailableBonusTypes: function() {
		return this.get('vendor_types');
	},
	
	getBonusTypesStr: function() {
		return this.get('bonus_types').join(', ');
	},
	
	hasBonusOffers: function() {
		return !this.bonusOffers.isEmpty();
	}
		
});