Adds a Google Calendar button to Cascade Bicycle free group rides.
当前为
// ==UserScript==
// @name Cascade Bicycle Club Add to Google Calendar
// @namespace http://sunnyrodriguez.com
// @version 0.1
// @description Adds a Google Calendar button to Cascade Bicycle free group rides.
// @author splttingatms
// @match https://www.cascade.org/node/*
// @grant none
// ==/UserScript==
(function() {
'use strict';
var ride = parseRidePage();
var calendarEvent = toCalendarEvent(ride);
var button = createGoogleCalendarButton(calendarEvent);
getFirstElementByClassName(document, "sharethis-wrapper").appendChild(button);
function buildUrl(url, parameters){
var keyValues = [];
for(var key in parameters) {
if (parameters.hasOwnProperty(key)) {
var value = parameters[key];
keyValues.push(encodeURIComponent(key) + "=" + encodeURIComponent(value));
}
}
if (keyValues.length > 0){
url = url + "?" + keyValues.join("&");
}
return url;
}
function parseTime(timeString) {
if (timeString === '') return null;
var time = timeString.match(/(\d+)(:(\d\d))?\s*(p?)/i);
if (time === null) return null;
var hours = parseInt(time[1],10);
if (hours == 12 && !time[4]) {
hours = 0;
}
else {
hours += (hours < 12 && time[4])? 12 : 0;
}
var d = new Date();
d.setHours(hours);
d.setMinutes(parseInt(time[3],10) || 0);
d.setSeconds(0, 0);
return d;
}
function toYYYYMMDDHHMMSSFormat(date) {
function pad2(n) { // always returns a string
return (n < 10 ? '0' : '') + n;
}
return date.getFullYear() +
pad2(date.getMonth() + 1) +
pad2(date.getDate()) + "T" +
pad2(date.getHours()) +
pad2(date.getMinutes()) +
pad2(date.getSeconds());
}
function getFirstElementByClassName(root, name) {
var elements = root.getElementsByClassName(name);
if (elements.length < 1)
throw "an element with class name \"" + name + "\" does not exist";
return elements[0];
}
function getFieldElement(fieldName) {
try {
var field = getFirstElementByClassName(document, fieldName);
return getFirstElementByClassName(field, "field-items");
} catch (err) {
throw "a field with name \"" + fieldName + "\" does not exist";
}
}
function getFieldElementOrDefault(fieldName) {
try {
return getFieldElement(fieldName);
} catch (err) {
console.warn(err);
return null;
}
}
function getFieldValue(fieldName) {
return getFieldElement(fieldName).innerText.trim().replace(/\r\n|\r|\n/g, " ").trim();
}
function getFieldValueOrDefault(fieldName) {
try {
return getFieldValue(fieldName);
} catch (err) {
console.warn(err);
return null;
}
}
function toCalendarEvent(ride) {
var description = "Ride URL: " + ride.url;
if (ride.distanceText !== null) description += "\nDistance: " + ride.distanceText;
if (ride.elevationGain !== null) description += "\nElevation Gain: " + ride.elevationGain;
if (ride.paces !== null) description += "\nPace(s): " + ride.paces;
if (ride.terrain !== null) description += "\nTerrain: " + ride.terrain;
if (ride.regroup !== null) description += "\nRegroup: " + ride.regroup;
if (ride.weatherCancels !== null) description += "\nWeather Cancels? " + ride.weatherCancels;
if (ride.links !== null) description += "\nLinks: " + ride.links;
description += "\nDescription:\n\n" + ride.description;
return {
title: "[" + ride.distanceValue + "mi] " + ride.title,
dateRange: toYYYYMMDDHHMMSSFormat(ride.startDateTime) + "/" + toYYYYMMDDHHMMSSFormat(ride.endDateTime),
location: ride.location,
description: description
};
}
function getRideDateTimeText() {
try {
return getFieldValue("field-name-field-global-datetime");
} catch (err) {
return getFirstElementByClassName(document, "date-display-single");
}
}
function getRideLinksAsCommaSeparatedList() {
try {
var links = [];
var anchors = getFieldElement("field-name-field-daily-links").getElementsByTagName("a");
for (var i = 0; i < anchors.length; i++)
links.push(anchors[i].href);
return links.join(", ");
} catch (err) {
return null;
}
}
function getRideStartDateTime() {
var dateTime = getRideDateTimeText(); // format "Friday, May 20, 2016 - 10:00am"
var date = new Date(dateTime.split("-")[0].trim());
var time = parseTime(dateTime.split("-")[1].trim());
var startDateTime = new Date(date.setHours(time.getHours()));
return startDateTime;
}
function addHours(dateTime, n) {
return new Date(new Date(dateTime).setHours(dateTime.getHours() + 3));
}
function parseRidePage() {
try {
var rideLink = window.location.href;
var name = getFirstElementByClassName(document, "page-title").innerText.trim();
var location = getFieldValue("field-name-field-daily-locations").replace("Directions", "").trim();
var distanceText = getFieldValue("field-name-field-daily-distance");
var distanceValue = Number(distanceText.split(" ")[0]); // text is a string with format "XX.XX miles"
var rideDescription = getFieldValue("field-type-text-with-summary");
var startDateTime = getRideStartDateTime();
var endDateTime = addHours(startDateTime, 3); // assume rides take 3hrs
// non-critical ride properties
var contactInformation = getFieldValueOrDefault("field-name-field-global-contacts");
var elevationGain = getFieldValueOrDefault("field-name-field-daily-elevation");
var paces = getFieldValueOrDefault("field-name-field-daily-pace");
var terrain = getFieldValueOrDefault("field-name-field-daily-terrain");
var regroup = getFieldValueOrDefault("field-name-field-daily-regroup");
var weatherCancels = getFieldValueOrDefault("field-name-field-daily-weather");
var links = getRideLinksAsCommaSeparatedList();
return {
url: rideLink,
title: name,
startDateTime: startDateTime,
endDateTime: endDateTime,
location: location,
contactInformation: contactInformation,
distanceText: distanceText,
distanceValue: distanceValue,
elevationGain: elevationGain,
paces: paces,
terrain: terrain,
regroup: regroup,
weatherCancels: weatherCancels,
description: rideDescription,
links: links,
};
} catch (err) {
throw "could not parse page: " + err;
}
}
function toGoogleCalendarAddUrl(event) {
return buildUrl("http://www.google.com/calendar/event", {
action: "TEMPLATE",
dates: calendarEvent.dateRange,
text: calendarEvent.title,
details: calendarEvent.description,
location: calendarEvent.location,
trp: false});
}
function createGoogleCalendarButton(event) {
var image = document.createElement("img");
image.src = "//www.google.com/calendar/images/ext/gc_button1.gif";
var link = document.createElement("a");
link.href = toGoogleCalendarAddUrl(calendarEvent);
link.target = "_blank"; // open link in new window
link.style = "text-decoration:none; border:none;";
link.appendChild(image);
var paragraph = document.createElement("p");
paragraph.appendChild(link);
return paragraph;
}
})();