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(function(module, ns) {
var Errors = ns.require('request/errors');
/**
* Creates a propfind request.
*
* @param {Caldav.Connection} connection connection details.
* @param {Object} options options for propfind.
*/
function CalendarHome(connection, options) {
var key;
if (typeof(options) === 'undefined') {
options = {};
}
for (key in options) {
if (Object.hasOwnProperty.call(options, key)) {
this[key] = options[key];
}
}
this.connection = connection;
}
function findProperty(name, data, single) {
var url, results = [], prop;
for (url in data) {
if (Object.hasOwnProperty.call(data, url)) {
if (name in data[url]) {
prop = data[url][name];
if (prop.status === '200') {
results.push(data[url][name].value);
}
}
}
}
if (!results.length)
return false;
if (typeof(single) !== 'undefined' && single) {
return results[0];
}
return results;
}
CalendarHome.prototype = {
Propfind: ns.require('request/propfind'),
/**
* @return {Caldav.Xhr} The underlying xhr request so that the caller
* has a chance to abort the request.
*/
_findPrincipal: function(url, callback) {
var find = new this.Propfind(this.connection, {
url: url
});
find.prop('current-user-principal');
find.prop('principal-URL');
return find.send(function(err, data) {
var principal;
if (err) {
callback(err);
return;
}
principal = findProperty('current-user-principal', data, true);
if (!principal) {
principal = findProperty('principal-URL', data, true);
}
if ('unauthenticated' in principal) {
callback(new Errors.UnauthenticatedError());
} else if (principal.href){
callback(null, principal.href);
} else {
callback(new Errors.CaldavHttpError(404));
}
});
},
_findCalendarHome: function(url, callback) {
var details = {};
var find = new this.Propfind(this.connection, {
url: url
});
find.prop(['caldav', 'calendar-home-set']);
return find.send(function(err, data) {
if (err) {
callback(err);
return;
}
details = {
url: findProperty('calendar-home-set', data, true)
};
callback(null, details);
});
},
/**
* Starts request to find calendar home url
*
* @param {Function} callback node style where second argument
* are the details of the home calendar.
* @return {Caldav.Xhr} The underlying xhr request so that the caller
* has a chance to abort the request.
*/
send: function(callback) {
var self = this;
return self._findPrincipal(self.url, function(err, url) {
if (!url) {
callback(err);
return;
}
self._findCalendarHome(url, function(err, details) {
callback(err, details);
});
});
}
};
module.exports = CalendarHome;
}.apply(
this,
(this.Caldav) ?
[Caldav('request/calendar_home'), Caldav] :
[module, require('../caldav')]
));
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