delivery-windows.liquid.html

<script type="text/javascript">
// Defines the cutoff windows
// @cutoff_dow: the day-of-week beyond which this window is not available (Sun=0;Sat=6)
// @cutoff_hour: the last hour of cutoff_dow when users can qualify for this window
// @dow: the day-of-week for the delivery (0=sunday, 6=saturday)
// @hours: the hours of the delivery window on `dow`
// @price: the price for delivery during that window
// NB: list *must* be in ascending order by cutoff day/hour, and may not work if 
// cutoff and delivery span across the 6-0 boundary (i.e. the modular arithmetic)
var DeliveryWindows = {
	"SF": [{
		'cutoff_dow': 0,
		'cutoff_hour': 9,
		'dow': 1,
		'hours': '8:00 AM - 12:00 PM'
	}, 
	{
		'cutoff_dow': 0,
		'cutoff_hour': 9,
		'dow': 1,
		'hours': '5:00 PM - 9:00 PM'
	},{
		'cutoff_dow': 1,
		'cutoff_hour': 9,
		'dow': 2,
		'hours': '5:00 PM - 9:00 PM'
    },
	{
		'cutoff_dow': 2,
		'cutoff_hour': 9,
		'dow': 3,
		'hours': '8:00 AM - 12:00 PM'
    },
	{
		'cutoff_dow': 2,
		'cutoff_hour': 9,
		'dow': 3,
		'hours': '5:00 PM - 9:00 PM'
    },
	{
		'cutoff_dow': 3,
		'cutoff_hour': 9,
		'dow': 4,
		'hours': '5:00 PM - 9:00 PM'
    },
	{
		'cutoff_dow': 4,
		'cutoff_hour': 9,
		'dow': 5,
		'hours': '8:00 AM - 12:00 PM'
    }],
	"PE": [{
		'cutoff_dow': 0,
		'cutoff_hour': 9,
		'dow': 1,
		'hours': '8:00 AM - 12:00 PM'
	}],
	"EB": [{
		'cutoff_dow': 0,
		'cutoff_hour': 9,
		'dow': 1,
		'hours': '8:00 AM - 12:00 PM'
	}],
	"pickup": [{
		'cutoff_dow': 0,
		'cutoff_hour': 21,
		'dow': 8,
		'hours': '4-6 PM',
		'product': 327399525,
		'variant': 909212649,
		'title': 'Presidio Knolls School (for PKS community only)'
	}, {
		'cutoff_dow': 5,
		'cutoff_hour': 9,
		'dow': 6,
		'hours': '8 AM-Noon',
		'product': 327399525,
		'variant': 787566381,
		'title': 'Downtown Palo Alto Farmers Market'
	}],
  "shipping": [{
        'cutoff_dow': 0,
		'cutoff_hour': 21,
		'dow': 4,
		'hours': '', 
		'product': 441096728,
		'variant': 1213987804,
		'title': 'California (outside Bay Area)'
  },
              {
        'cutoff_dow': 0,
		'cutoff_hour': 21,
		'dow': 4,
		'hours': '', 
		'product': 441096728,
		'variant': 1213990852,
		'title': 'Nationwide'
  }]
};


// getWindows(referenceTime) -- returns a list of dates and delivery windows
// whose cutoff times have not yet passed
//
// @region: One of {SF, PE, EB} as defined in the global DeliveryWindows variable;
// @referenceDate: (optional) an XDate representing when to begin the search
//
// @returns: an array of {date, delivery_time} objects
function getWindows(region, referenceDate) {
	referenceDate = (typeof referenceDate === "undefined") ? new XDate() : referenceDate;

	var returnList = new Array();
	for (var i = 0; i < DeliveryWindows[region].length; i++) {
		var deliveryDate = referenceDate.clone();
		if (referenceDate.getDay() == DeliveryWindows[region][i].cutoff_dow) {
			if (referenceDate.getHours() < DeliveryWindows[region][i].cutoff_hour) {
				daysUntilDOW = (DeliveryWindows[region][i].dow - deliveryDate.getDay() + 7) % 7;
				deliveryDate.addDays(daysUntilDOW);
			} else {
				daysUntilDOW = (DeliveryWindows[region][i].dow - deliveryDate.getDay() + 7) % 7;
				deliveryDate.addDays(daysUntilDOW);
				deliveryDate.addWeeks(1); // plus a week, because we're past cutoff
			}
		} else {
			deliveryDate.addDays(1); // just need to get to "tomorrow"
			daysUntilDOW = (DeliveryWindows[region][i].dow - deliveryDate.getDay() + 7) % 7;
			if (daysUntilDOW == 0) daysUntilDOW = 7; // make sure it's always a week
			deliveryDate.addDays(daysUntilDOW);
		}


		returnList.push({
			"date": deliveryDate.toString("dddd, MMMM dS, "),
			"date_native": deliveryDate.getTime(),
			"hours": DeliveryWindows[region][i].hours,
			"price": DeliveryWindows[region][i].price,
			"product": DeliveryWindows[region][i].product,
			"variant": DeliveryWindows[region][i].variant,
			"title": DeliveryWindows[region][i].title
		});
	}

	returnList.sort(function(a, b) {
		return a.date_native - b.date_native;
	});

	return (returnList);
}

function dateBetween(testDate, testHour, cutoffDate, cutoffHour, deliveryDate, deliveryHour) {
	if (testDate > cutoffDate || (testDate == cutoffDate && testHour > cutoffHour)) if (testDate < deliveryDate || (testDate == deliveryDate && testHour < deliveryHour)) return true;

	return false;
}

function makeOptions(windowList, selectObject) {
	$.each(windowList, function(index, deliveryWindow) {
		windowString = deliveryWindow.date + deliveryWindow.hours;
		$("<option value='" + windowString + "'" + (deliveryWindow.variant === undefined ? ">" : "id='" + deliveryWindow.variant + "'>" + deliveryWindow.title + ": ") + windowString + "</option>").appendTo(selectObject);
	});
	if (windowList.length == 1) {
		windowString = windowList[0].date + windowList[0].hours;
		if (windowList[0].title)
			windowString = windowList[0].title + " - " + windowString;
		selectObject.after("<span>" + windowString + "</span>");
		selectObject.val(windowString);
		selectObject.hide();
	}
}

function randMax(max) {
	return Math.floor((Math.random() * max));
}


function testBetween() {
	for (var i = 0; i < 100; i++) {
		var testDate = randMax(7);
		var cutoffDate = randMax(7);
		var deliveryDate = randMax(7);
		var testHour = randMax(24);
		var cutoffHour = randMax(24);
		var deliveryHour = randMax(24);
////////		console.log(testDate + ":" + testHour + "," + cutoffDate + ":" + cutoffHour + "," + deliveryDate + ":" + deliveryHour + " - " + dateBetween(testDate, testHour, cutoffDate, cutoffHour, deliveryDate, deliveryHour));
	}
}

// run a unit test of all hours across seven days


function testWindows() {

	for (var date = 1; date < 30; date++) {
		for (var hour = 0; hour <= 23; hour++) {
			var referenceDate = new XDate(2014, 2, date, hour); // test month of March (2)
			var windowList = getWindows("SF", referenceDate);
			var windowListStr = " - ";
			for (var i = 0; i < windowList.length; i++) {
				windowListStr += windowList[i].date.toString("M/dd,");
			}
////////			console.log(referenceDate.toString("ddd MMM dS@HH") + "h - " + windowListStr);
		}
	}
}



</script>