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The Big Renaming - etherpad is now an NPM module

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Egil Moeller 2012-02-26 13:07:51 +01:00
parent 1955bdec9a
commit 1239ce7f28
116 changed files with 9721 additions and 30 deletions
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263
node/db/GroupManager.js
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@ -1,263 +0,0 @@
/**
* The Group Manager provides functions to manage groups in the database
*/
/*
* 2011 Peter 'Pita' Martischka (Primary Technology Ltd)
*
* 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.
*/
var CommonCode = require('../utils/common_code');
var ERR = require("async-stacktrace");
var customError = require("../utils/customError");
var randomString = CommonCode.require('/pad_utils').randomString;
var db = require("./DB").db;
var async = require("async");
var padManager = require("./PadManager");
var sessionManager = require("./SessionManager");
exports.deleteGroup = function(groupID, callback)
{
var group;
async.series([
//ensure group exists
function (callback)
{
//try to get the group entry
db.get("group:" + groupID, function (err, _group)
{
if(ERR(err, callback)) return;
//group does not exist
if(_group == null)
{
callback(new customError("groupID does not exist","apierror"));
}
//group exists, everything is fine
else
{
group = _group;
callback();
}
});
},
//iterate trough all pads of this groups and delete them
function(callback)
{
//collect all padIDs in an array, that allows us to use async.forEach
var padIDs = [];
for(var i in group.pads)
{
padIDs.push(i);
}
//loop trough all pads and delete them
async.forEach(padIDs, function(padID, callback)
{
padManager.getPad(padID, function(err, pad)
{
if(ERR(err, callback)) return;
pad.remove(callback);
});
}, callback);
},
//iterate trough group2sessions and delete all sessions
function(callback)
{
//try to get the group entry
db.get("group2sessions:" + groupID, function (err, group2sessions)
{
if(ERR(err, callback)) return;
//skip if there is no group2sessions entry
if(group2sessions == null) {callback(); return}
//collect all sessions in an array, that allows us to use async.forEach
var sessions = [];
for(var i in group2sessions.sessionsIDs)
{
sessions.push(i);
}
//loop trough all sessions and delete them
async.forEach(sessions, function(session, callback)
{
sessionManager.deleteSession(session, callback);
}, callback);
});
},
//remove group and group2sessions entry
function(callback)
{
db.remove("group2sessions:" + groupID);
db.remove("group:" + groupID);
callback();
}
], function(err)
{
if(ERR(err, callback)) return;
callback();
});
}
exports.doesGroupExist = function(groupID, callback)
{
//try to get the group entry
db.get("group:" + groupID, function (err, group)
{
if(ERR(err, callback)) return;
callback(null, group != null);
});
}
exports.createGroup = function(callback)
{
//search for non existing groupID
var groupID = "g." + randomString(16);
//create the group
db.set("group:" + groupID, {pads: {}});
callback(null, {groupID: groupID});
}
exports.createGroupIfNotExistsFor = function(groupMapper, callback)
{
//ensure mapper is optional
if(typeof groupMapper != "string")
{
callback(new customError("groupMapper is no string","apierror"));
return;
}
//try to get a group for this mapper
db.get("mapper2group:"+groupMapper, function(err, groupID)
{
if(ERR(err, callback)) return;
//there is no group for this mapper, let's create a group
if(groupID == null)
{
exports.createGroup(function(err, responseObj)
{
if(ERR(err, callback)) return;
//create the mapper entry for this group
db.set("mapper2group:"+groupMapper, responseObj.groupID);
callback(null, responseObj);
});
}
//there is a group for this mapper, let's return it
else
{
if(ERR(err, callback)) return;
callback(null, {groupID: groupID});
}
});
}
exports.createGroupPad = function(groupID, padName, text, callback)
{
//create the padID
var padID = groupID + "$" + padName;
async.series([
//ensure group exists
function (callback)
{
exports.doesGroupExist(groupID, function(err, exists)
{
if(ERR(err, callback)) return;
//group does not exist
if(exists == false)
{
callback(new customError("groupID does not exist","apierror"));
}
//group exists, everything is fine
else
{
callback();
}
});
},
//ensure pad does not exists
function (callback)
{
padManager.doesPadExists(padID, function(err, exists)
{
if(ERR(err, callback)) return;
//pad exists already
if(exists == true)
{
callback(new customError("padName does already exist","apierror"));
}
//pad does not exist, everything is fine
else
{
callback();
}
});
},
//create the pad
function (callback)
{
padManager.getPad(padID, text, function(err)
{
if(ERR(err, callback)) return;
callback();
});
},
//create an entry in the group for this pad
function (callback)
{
db.setSub("group:" + groupID, ["pads", padID], 1);
callback();
}
], function(err)
{
if(ERR(err, callback)) return;
callback(null, {padID: padID});
});
}
exports.listPads = function(groupID, callback)
{
exports.doesGroupExist(groupID, function(err, exists)
{
if(ERR(err, callback)) return;
//group does not exist
if(exists == false)
{
callback(new customError("groupID does not exist","apierror"));
}
//group exists, let's get the pads
else
{
db.getSub("group:" + groupID, ["pads"], function(err, result)
{
if(ERR(err, callback)) return;
var pads = [];
for ( var padId in result ) {
pads.push(padId);
}
callback(null, {padIDs: pads});
});
}
});
}