etherpad-lite/node/PadManager.js

64 lines
1.6 KiB
JavaScript

/**
* 2011 Peter 'Pita' Martischka
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS-IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
The Pad Module trys to simulate the pad object from EtherPad. You can find the original code in /etherpad/src/etherpad/pad/model.js
see https://github.com/ether/pad/blob/master/etherpad/src/etherpad/pad/model.js
*/
var Changeset = require("./Models/Pad");
/**
* A Array with all known Pads
*/
globalPads = [];
/**
* Return a Function Wrapper to work with the Pad
* @param id A String with the id of the pad
* @param createIfNotExist A Boolean which says the function if it should create the Pad if it not exist
*/
exports.getPad = function(id, callback)
{
var pad = globalPads[id];
//return pad if its already loaded
if(pad != null)
{
callback(null, pad);
}
//try to load pad
else
{
pad = new Pad(id);
//initalize the pad
pad.init(function(err)
{
if(err)
{
callback(err, null);
}
else
{
globalPads[id] = pad;
callback(null, pad);
}
});
}
//globalPads[id].timestamp = new Date().getTime();
}