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/*!
* FullCalendar v3.2.0 Google Calendar Plugin
* Docs & License: https://fullcalendar.io/
* (c) 2017 Adam Shaw
*/
(function(factory) {
if (typeof define === 'function' && define.amd) {
define([ 'jquery' ], factory);
}
else if (typeof exports === 'object') { // Node/CommonJS
module.exports = factory(require('jquery'));
}
else {
factory(jQuery);
}
})(function($) {
var API_BASE = 'https://www.googleapis.com/calendar/v3/calendars';
var FC = $.fullCalendar;
var applyAll = FC.applyAll;
FC.sourceNormalizers.push(function(sourceOptions) {
var googleCalendarId = sourceOptions.googleCalendarId;
var url = sourceOptions.url;
var match;
// if the Google Calendar ID hasn't been explicitly defined
if (!googleCalendarId && url) {
// detect if the ID was specified as a single string.
// will match calendars like "asdf1234@calendar.google.com" in addition to person email calendars.
if (/^[^\/]+@([^\/\.]+\.)*(google|googlemail|gmail)\.com$/.test(url)) {
googleCalendarId = url;
}
// try to scrape it out of a V1 or V3 API feed URL
else if (
(match = /^https:\/\/www.googleapis.com\/calendar\/v3\/calendars\/([^\/]*)/.exec(url)) ||
(match = /^https?:\/\/www.google.com\/calendar\/feeds\/([^\/]*)/.exec(url))
) {
googleCalendarId = decodeURIComponent(match[1]);
}
if (googleCalendarId) {
sourceOptions.googleCalendarId = googleCalendarId;
}
}
if (googleCalendarId) { // is this a Google Calendar?
// make each Google Calendar source uneditable by default
if (sourceOptions.editable == null) {
sourceOptions.editable = false;
}
// We want removeEventSource to work, but it won't know about the googleCalendarId primitive.
// Shoehorn it into the url, which will function as the unique primitive. Won't cause side effects.
// This hack is obsolete since 2.2.3, but keep it so this plugin file is compatible with old versions.
sourceOptions.url = googleCalendarId;
}
});
FC.sourceFetchers.push(function(sourceOptions, start, end, timezone) {
if (sourceOptions.googleCalendarId) {
return transformOptions(sourceOptions, start, end, timezone, this); // `this` is the calendar
}
});
function transformOptions(sourceOptions, start, end, timezone, calendar) {
var url = API_BASE + '/' + encodeURIComponent(sourceOptions.googleCalendarId) + '/events?callback=?'; // jsonp
var apiKey = sourceOptions.googleCalendarApiKey || calendar.options.googleCalendarApiKey;
var success = sourceOptions.success;
var data;
var timezoneArg; // populated when a specific timezone. escaped to Google's liking
function reportError(message, apiErrorObjs) {
var errorObjs = apiErrorObjs || [ { message: message } ]; // to be passed into error handlers
// call error handlers
(sourceOptions.googleCalendarError || $.noop).apply(calendar, errorObjs);
(calendar.options.googleCalendarError || $.noop).apply(calendar, errorObjs);
// print error to debug console
FC.warn.apply(null, [ message ].concat(apiErrorObjs || []));
}
if (!apiKey) {
reportError("Specify a googleCalendarApiKey. See http://fullcalendar.io/docs/google_calendar/");
return {}; // an empty source to use instead. won't fetch anything.
}
// The API expects an ISO8601 datetime with a time and timezone part.
// Since the calendar's timezone offset isn't always known, request the date in UTC and pad it by a day on each
// side, guaranteeing we will receive all events in the desired range, albeit a superset.
// .utc() will set a zone and give it a 00:00:00 time.
if (!start.hasZone()) {
start = start.clone().utc().add(-1, 'day');
}
if (!end.hasZone()) {
end = end.clone().utc().add(1, 'day');
}
// when sending timezone names to Google, only accepts underscores, not spaces
if (timezone && timezone != 'local') {
timezoneArg = timezone.replace(' ', '_');
}
data = $.extend({}, sourceOptions.data || {}, {
key: apiKey,
timeMin: start.format(),
timeMax: end.format(),
timeZone: timezoneArg,
singleEvents: true,
maxResults: 9999
});
return $.extend({}, sourceOptions, {
googleCalendarId: null, // prevents source-normalizing from happening again
url: url,
data: data,
startParam: false, // `false` omits this parameter. we already included it above
endParam: false, // same
timezoneParam: false, // same
success: function(data) {
var events = [];
var successArgs;
var successRes;
if (data.error) {
reportError('Google Calendar API: ' + data.error.message, data.error.errors);
}
else if (data.items) {
$.each(data.items, function(i, entry) {
var url = entry.htmlLink || null;
// make the URLs for each event show times in the correct timezone
if (timezoneArg && url !== null) {
url = injectQsComponent(url, 'ctz=' + timezoneArg);
}
events.push({
id: entry.id,
title: entry.summary,
start: entry.start.dateTime || entry.start.date, // try timed. will fall back to all-day
end: entry.end.dateTime || entry.end.date, // same
url: url,
location: entry.location,
description: entry.description
});
});
// call the success handler(s) and allow it to return a new events array
successArgs = [ events ].concat(Array.prototype.slice.call(arguments, 1)); // forward other jq args
successRes = applyAll(success, this, successArgs);
if ($.isArray(successRes)) {
return successRes;
}
}
return events;
}
});
}
// Injects a string like "arg=value" into the querystring of a URL
function injectQsComponent(url, component) {
// inject it after the querystring but before the fragment
return url.replace(/(\?.*?)?(#|$)/, function(whole, qs, hash) {
return (qs ? qs + '&' : '?') + component + hash;
});
}
});
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