Daily Readings

script

// This script accesses the EWTN website for references for the
// Daily Readings for the selected date and parses the JSON data
// returned. The readings are appended to the text in the editor.


function ymdFormat(jsDate) {
	// Formats date as yyyy-mm-dd
	var m = jsDate.getMonth() + 1;
	m = (m > 9) ? m : '0' + m;
	var d = jsDate.getDate();
	d = (d > 9) ? d : '0' + d;
	return jsDate.getFullYear() + '-' + m + '-' + d;
}

function niceDateFormat(jsDate) {
	// Formats date as day, mmm d
	var mo = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
	var dow = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
	// do not include day if Sunday
	var day = (jsDate.getDay() > 0) ? (dow[jsDate.getDay()] + ', ') : '';
	return day + mo[jsDate.getMonth()] + ' ' + jsDate.getDate();
}


// Date picker
var p = Prompt.create();
p.title = 'Daily Readings';
p.addDatePicker('pickDate', 'Select date for readings…', new Date(), {"mode": "date"});
p.addButton('Select');
var didSelect = p.show();

if (didSelect) {
	// format URL
	var ymd = ymdFormat(p.fieldValues['pickDate']);
	var targetUrl = 'https://www.ewtn.com/se/readings/readingsservice.svc/day/' + ymd + '/en';

	// HTTP Request
	var http = HTTP.create();
	var response = http.request({"url": targetUrl, "method": "GET"});

	if (!response.success) {
		// Error in retrieving data
		var txt = response.statusCode + ' - ' + response.error;
	} else if (response.responseText.length < 1) {
		// no data
		var txt = 'data unavailable for '+ ymd;
	} else {
		// Parse and format readings
		var liturgy = JSON.parse(response.responseText);
		
		var txt = niceDateFormat(p.fieldValues['pickDate']);
		txt += ' - ' + liturgy.Title + '\n';
		
		var numReadings = liturgy.ReadingGroups[0].Readings.length;

		for (var i = 0; i < numReadings; i++) {
			var ref = liturgy.ReadingGroups[0].Readings[i].Citations[0].Reference;
			var type = liturgy.ReadingGroups[0].Readings[i].Type;
			txt += '**' + type + ':** ' + ref + '\n';
		}
		//txt += liturgy.Color + ', ' + liturgy.Note + '\n';
	}

	// insert text into editor
	var len = editor.getText().length;
	var prefix = (len == 0) ? '' : '\n';  // beginning or append
	editor.setTextInRange(len, 0, prefix + txt);
}

editor.activate();