DocumentTransaction.inc
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<?php
/**
* $Id$
*
* Represents a document transaction as per the database table document_transaction.
* No delete or update functions are provided. Once a transaction has been stored
* in the database it may not be changed.
*
* KnowledgeTree Open Source Edition
* Document Management Made Simple
* Copyright (C) 2004 - 2008 The Jam Warehouse Software (Pty) Limited
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 3 as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* You can contact The Jam Warehouse Software (Pty) Limited, Unit 1, Tramber Place,
* Blake Street, Observatory, 7925 South Africa. or email info@knowledgetree.com.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU General Public License version 3.
*
* In accordance with Section 7(b) of the GNU General Public License version 3,
* these Appropriate Legal Notices must retain the display of the "Powered by
* KnowledgeTree" logo and retain the original copyright notice. If the display of the
* logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
* must display the words "Powered by KnowledgeTree" and retain the original
* copyright notice.
* Contributor( s): ______________________________________
*/
require_once(KT_LIB_DIR . "/documentmanagement/documentutil.inc.php");
require_once(KT_LIB_DIR . '/users/User.inc');
require_once(KT_LIB_DIR . '/documentmanagement/DocumentTransactionType.inc.php');
require_once(KT_LIB_DIR . '/foldermanagement/Folder.inc');
require_once(KT_LIB_DIR . '/browse/browseutil.inc.php');
class DocumentTransaction extends KTEntity {
/** primary key of document transaction */
var $iId = -1;
var $iDocumentID;
var $sVersion;
var $iUserID;
var $dDateTime;
var $sIP;
var $sFileName;
var $sComment;
var $sTransactionNS;
var $bAdminMode = 0;
/**
* Constructor
*
* @param Primary key of document on which transaction was performed
* @param User comment associated with transaction
* @param Primary key of transaction type
*
*/
function DocumentTransaction($oDocument, $sNewComment, $sTransactionNS, $aOptions = null) {
if (is_null($aOptions)) {
$aOptions = array();
}
//object not stored yet, id = -1
$this->iId = -1;
$this->iDocumentID = $oDocument->getID();
$this->sComment = $sNewComment;
$this->sTransactionNS = $sTransactionNS;
$this->sVersion = KTUtil::arrayGet($aOptions, 'version', $oDocument->getMajorVersionNumber() . "." . $oDocument->getMinorVersionNumber());
$oFolder = Folder::get($oDocument->getFolderId());
// handle the case where oFolder is broken.
if (PEAR::isError($oFolder) || ($oFolder == false)) {
$this->sFileName = '.../' . $oDocument->getName();
} else {
$this->sFileName = addslashes($oFolder->sFullPath . "/" . $oFolder->getName() . "/" . $oDocument->getName());
}
$this->iUserID = $_SESSION["userID"];
$this->iSessionId = $_SESSION["sessionID"];
$oUser = KTUtil::arrayGet($aOptions, 'user');
if (!(PEAR::isError($oUser) || ($oUser == false))) {
$this->iUserID = $oUser->getID();
}
$this->dDateTime = getCurrentDateTime();
$this->sIP = KTUtil::arrayGet($_SERVER, "REMOTE_ADDR", '0.0.0.0');
$oFolder = Folder::get($oDocument->getFolderID());
// head off the certain breakage down the line.
if (PEAR::isError($oFolder) || ($oFolder === false)) {
$this->bAdminMode = 0;
} else {
if (KTBrowseUtil::inAdminMode($oUser, $oFolder)) {
$this->bAdminMode = 1;
} else {
$this->bAdminMode = 0;
}
}
}
function getVersion() { return $this->sVersion; }
function getComment() { return $this->sComment; }
function _table() { return KTUtil::getTableName('document_transactions'); }
// some of these can throw a PEAR::error
function & getUser() { return User::get($this->iUserID); }
function getFilename() { return $this->sFileName; }
function getDate() { return $this->dDateTime; }
function & getTransactionType() { return KTDocumentTransactionType::getByNamespace($this->sTransactionNS); }
function getAction() {
$oType = $this->getTransactionType();
$action = _kt('Unknown Action');
if (!PEAR::isError($oType)) { $action = $oType->getName(); }
return $action;
}
/**
* Create the document transaction in the database
*
* @return boolean true on successful creation, false otherwise and set $_SESSION["errorMessage"]
*
*/
function create() {
global $default, $lang_err_object_exists;
//if the object hasn't been stored yet
if ($this->iId < 0) {
$aFieldValues = array(
'document_id' => $this->iDocumentID,
'version' => $this->sVersion,
'user_id' => $this->iUserID,
'datetime' => $this->dDateTime,
'ip' => $this->sIP,
'filename' => $this->sFileName,
'comment' => $this->sComment,
'transaction_namespace' => $this->sTransactionNS,
'session_id' => $this->iSessionId,
'admin_mode' => $this->bAdminMode,
);
$id =& DBUtil::autoInsert($this->_table(), $aFieldValues);
if (PEAR::isError($id)) {
$_SESSION["errorMessage"] = $id->toString();
return false;
}
$this->iId = $id;
$this->clearCachedGroups();
KTDocumentUtil::updateTransactionText($this->iDocumentID);
KTDocumentUtil::updateSearchableText($this->iDocumentID);
return true;
} else {
$_SESSION["errorMessage"] = $lang_err_object_exists;
return false;
}
}
function delete() {
global $default, $lang_err_database, $lang_err_object_key;
if ($this->iId >= 0) {
$sql = $default->db;
$result = $sql->query("DELETE FROM " . $default->document_transactions_table . " WHERE id = " . $this->iId);
if ($result) {
$this->clearCachedGroups();
$this->iId = -1;
return true;
}
$_SESSION["errorMessage"] = $lang_err_database;
return false;
}
$_SESSION["errorMessage"] = $lang_err_object_key;
return false;
}
/**
* Static function. Given a document transaction primary key will create
* a document transaction object and populate it with the corresponding
* database values
*
* @return DocumentTransaction populated DocumentTransaction object on success, false otherwise and set $_SESSION["errorMessage"]
*/
function & get($iDocumentTransactionID) {
global $default, $lang_err_doc_not_exist;
if (strlen($iDocumentTransactionID) > 0) {
$sql = $default->db;
$sql->query(array("SELECT * FROM $default->document_transactions_table WHERE id = ?", $iDocumentTransactionID));/*ok*/
if ($sql->next_record()) {
$oDocumentTransaction = new DocumentTransaction(Document::get($sql->f("document_id")), $sql->f("comment"), $sql->f("transaction_namespace"));
$oDocumentTransaction->iId = $sql->f("id");
$oDocumentTransaction->sVersion = $sql->f("version");
$oDocumentTransaction->iUserID = $sql->f("user_id");
$oDocumentTransaction->dDateTime = $sql->f("datetime");
$oDocumentTransaction->sIP = $sql->f("ip");
$oDocumentTransaction->sFileName = $sql->f("filename");
$oDocumentTransaction->bAdminMode = $sql->f("admin_mode");
return $oDocumentTransaction;
}
$_SESSION["errorMessage"] = $lang_err_object_not_exist . "id = " . $iDocumentTransactionID . " table = document_transactions";
return false;
} else {
$_SESSION["errorMessage"] = "document transaction ID not set. Cannot retrieve document with no id";
return false;
}
}
/**
* Static function
* Get a list of DocumentTransactions
*
* @param String Where clause (not required)
*
* @return Array array of DocumentTransaction objects, false otherwise and set $_SESSION["errorMessage"]
*/
function getList($sWhereClause = null) {
return KTEntityUtil::getList2('DocumentTransaction', $sWhereClause);
}
function getByDocument($oDocument) {
$iDocumentId = KTUtil::getId($oDocument);
return DocumentTransaction::getList(array('document_id = ?', array($iDocumentId)));
}
}
?>