DocumentServer/NodeJsProjects/CoAuthoring/sources/database.js
nikolay ivanov a8be6b9e72 init repo
2014-07-05 18:22:49 +00:00

116 lines
4.1 KiB
JavaScript

/*
* (c) Copyright Ascensio System SIA 2010-2014
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
* EU, LV-1021.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
var mongoDB = require("mongodb");
var config = require("./config.json");
var _errorConnection = true;
var logger = require("./../../Common/sources/logger");
function CreateDbClient() {
return new mongoDB.Db(config["mongodb"]["database"], new mongoDB.Server(config["mongodb"]["host"], config["mongodb"]["port"], {
auto_reconnect: true
}), {
safe: false
});
}
exports.insert = function (_collectionName, _newElement) {
var _db = CreateDbClient();
if (!_db) {
logger.error("Error _db");
return;
}
_db.open(function (err, db) {
if (!err) {
db.collection(_collectionName, function (err, collection) {
if (!err) {
collection.insert(_newElement);
} else {
logger.error("Error collection");
return;
}
db.close();
});
} else {
logger.error("Error open database");
return;
}
});
};
exports.remove = function (_collectionName, _removeElements) {
var _db = CreateDbClient();
if (!_db) {
logger.error("Error _db");
return;
}
_db.open(function (err, db) {
if (!err) {
db.collection(_collectionName, function (err, collection) {
if (!err) {
collection.remove(_removeElements, function (err, collection) {
logger.info("All elements remove");
});
} else {
logger.error("Error collection");
return;
}
db.close();
});
} else {
logger.error("Error open database");
return;
}
});
};
exports.load = function (_collectionName, callbackFunction) {
var _db = CreateDbClient();
if (!_db) {
logger.error("Error _db");
return callbackFunction(null);
}
var result = [];
_db.open(function (err, db) {
db.collection(_collectionName, function (err, collection) {
collection.find(function (err, cursor) {
cursor.each(function (err, item) {
if (item != null) {
if (!result.hasOwnProperty(item.docid)) {
result[item.docid] = [item];
} else {
result[item.docid].push(item);
}
} else {
callbackFunction(result);
}
});
db.close();
});
});
});
};