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(function(module, ns) {
var XHR = ns.require('xhr');
/**
* Creates an Http request for a single webdav resource.
* Thin wrapper over http/xhr each public method has the same
* signature with similar options:
*
* // the intent is that after a larger calendar query
* // the urls are stored and can be used to modify the
* // calendar resources.
* var asset = new Caldav.Request.Asset(con, 'someurl');
*
* asset.get({ etag: 'foo'}, function(err, data) {
* });
*
* asset.put({ etag: 'foo' }, body, function(err, data) {
*
* });
*
* asset.delete(function() {
*
* });
*
* @param {Caldav.Connection} connection connection details.
* @param {String} url assert url.
*/
function Asset(connection, url) {
if (!connection) {
throw new Error('must pass connection object');
}
this.connection = connection;
this.url = url;
}
Asset.prototype = {
contentType: 'text/calendar',
_buildRequest: function(method, options) {
var headers = {
'Content-Type': this.contentType
};
if (options && options.contentType) {
headers['Content-Type'] = options.contentType;
}
if (options && options.etag) {
headers['If-None-Match'] = options.etag;
}
return this.connection.request({
url: this.url,
headers: headers,
method: method
});
},
/**
* Find a single calendar asset.
* This method should only be used to either
* confirm a put or delete request.
*
* Calendar query is far more suited for fetching
* large amounts of calendar data.
*
* Options:
* - etag: used to issue a 'If-Not-Match'
*
* @param {Object} [options] calendar options.
* @param {Function} callback node style [err, data, xhr].
* @return {Caldav.Xhr} The underlying xhr request so that the caller
* has a chance to abort the request.
*/
get: function(options, callback) {
if (typeof(options) === 'function') {
callback = options;
options = null;
}
var req = this._buildRequest('GET', options);
return req.send(function(err, xhr) {
callback(err, xhr.responseText, xhr);
});
},
/**
* Adds or modifies a single calendar resource.
*
* @param {Object} [options] see get.
* @param {String} data post content.
* @param {Function} callback node style [err, data, xhr].
* @return {Caldav.Xhr} The underlying xhr request so that the caller
* has a chance to abort the request.
*/
put: function(options, data, callback) {
if (typeof(options) === 'string') {
data = options;
options = null;
}
if (typeof(data) === 'function') {
callback = data;
data = null;
}
var req = this._buildRequest('PUT', options);
req.data = data;
return req.send(function(err, xhr) {
callback(err, xhr.responseText, xhr);
});
},
/**
* Deletes a calendar resource
*
* @param {Object} [options] see get.
* @param {Function} callback node style [err, data, xhr].
* @return {Caldav.Xhr} The underlying xhr request so that the caller
* has a chance to abort the request.
*/
delete: function(options, callback) {
if (typeof(options) === 'function') {
callback = options;
options = null;
}
var req = this._buildRequest('DELETE', options);
return req.send(function(err, xhr) {
callback(err, xhr.responseText, xhr);
});
}
};
module.exports = Asset;
}.apply(
this,
(this.Caldav) ?
[Caldav('request/asset'), Caldav] :
[module, require('../caldav')]
));
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