KTrss.inc.php
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<?php
/*
* The contents of this file are subject to the KnowledgeTree Public
* License Version 1.1.2 ("License"); You may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.knowledgetree.com/KPL
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
* See the License for the specific language governing rights and
* limitations under the License.
*
* All copies of the Covered Code must include on each user interface screen:
* (i) the "Powered by KnowledgeTree" logo and
* (ii) the KnowledgeTree copyright notice
* in the same form as they appear in the distribution. See the License for
* requirements.
*
* The Original Code is: KnowledgeTree Open Source
*
* The Initial Developer of the Original Code is The Jam Warehouse Software
* (Pty) Ltd, trading as KnowledgeTree.
* Portions created by The Jam Warehouse Software (Pty) Ltd are Copyright
* (C) 2007 The Jam Warehouse Software (Pty) Ltd;
* All Rights Reserved.
* Contributor( s): ______________________________________
*
*/
// boilerplate.
require_once(KT_LIB_DIR . "/templating/templating.inc.php");
require_once(KT_LIB_DIR . "/templating/kt3template.inc.php");
require_once(KT_LIB_DIR . "/dispatcher.inc.php");
require_once(KT_LIB_DIR . "/util/ktutil.inc");
require_once(KT_LIB_DIR . "/database/dbutil.inc");
// document related includes
require_once(KT_LIB_DIR . "/documentmanagement/Document.inc");
require_once(KT_LIB_DIR . "/documentmanagement/DocumentType.inc");
require_once(KT_LIB_DIR . "/documentmanagement/DocumentFieldLink.inc");
require_once(KT_LIB_DIR . "/documentmanagement/documentmetadataversion.inc.php");
require_once(KT_LIB_DIR . "/documentmanagement/documentcontentversion.inc.php");
require_once(KT_LIB_DIR . "/metadata/fieldset.inc.php");
require_once(KT_LIB_DIR . "/security/Permission.inc");
require_once(KT_LIB_DIR . "/actions/documentaction.inc.php");
require_once(KT_LIB_DIR . "/browse/browseutil.inc.php");
class KTrss{
// Gets a listing of external feeds for user
function getExternalFeedsList($iUserId){
$sQuery = "SELECT id, url, title FROM plugin_rss WHERE user_id = ?";
$aParams = array($iUserId);
$aFeeds = DBUtil::getResultArray(array($sQuery, $aParams));
if (PEAR::isError($aFeeds)) {
// XXX: log error
return false;
}
if ($aFeeds) {
return $aFeeds;
}
}
// Gets full listing of data of documents and folders subscribed to
function getInternalFeed($iUserId){
$documents=KTrss::getDocuments($iUserId);
$folders=KTrss::getFolders($iUserId);
if (is_null($documents)) $documents=array();
if (is_null($folders)) $folders=array();
$aFullList = array_merge($documents,$folders );
if($aFullList){
$internalFeed = KTrss::arrayToXML($aFullList);
$response = rss2arrayBlock($internalFeed);
}
return $response;
}
// Get list of document subscriptions
function getDocumentList($iUserId){
$sQuery = "SELECT document_id as id FROM document_subscriptions WHERE user_id = ?";
$aParams = array($iUserId);
$aDocumentList = DBUtil::getResultArrayKey(array($sQuery, $aParams), 'id');
if (PEAR::isError($aDocumentList)) {
// XXX: log error
return false;
}
if($aDocumentList){
return $aDocumentList;
}
}
// Get list of folder subscriptions
function getFolderList($iUserId){
$sQuery = "SELECT folder_id as id, is_tree as tree FROM folder_subscriptions WHERE user_id = ?";
$aParams = array($iUserId);
$aFolderList = DBUtil::getResultArray(array($sQuery, $aParams));
if (PEAR::isError($aFolderList)) {
// XXX: log error
return false;
}
if ($aFolderList) {
return $aFolderList;
}
}
// Get data for all documents subscribed to
function getDocuments($iUserId){
$aDList = KTrss::getDocumentList($iUserId);
if($aDList){
foreach($aDList as $document_id){
$document = KTrss::getOneDocument($document_id, $iUserId);
if($document){
$aDocuments[] = $document;
}
}
}
if (PEAR::isError($aDocuments)) {
// XXX: log error
return false;
}
if ($aDocuments) {
return $aDocuments;
}
}
// Get data for all folders subscribed to
function getFolders($iUserId){
$aFList = KTrss::getFolderList($iUserId);
if($aFList){
foreach($aFList as $folderElement){
$folder_id = $folderElement['id'];
$folder = KTrss::getOneFolder($folder_id, $iUserId);
if($folder){
$aFolders[] = $folder;
}
}
}
if (PEAR::isError($aFolders)) {
// XXX: log error
return false;
}
if ($aFolders){
return $aFolders;
}
}
function getChildrenFolderTransactions($iParentFolderId, $depth = '1'){
if($depth == '1'){
$sQuery = "SELECT id from folders WHERE parent_folder_ids LIKE ?";
$aParams = array('%'.$iParentFolderId);
}//else
$aFolderList = DBUtil::getResultArray(array($sQuery, $aParams));
if (PEAR::isError($aFolderList)) {
// XXX: log error
return false;
}
if ($aFolderList) {
foreach($aFolderList as $folderElement){
$folder_id = $folderElement['id'];
$aFolderTransactions = array_merge($aFolderTransactions, KTrss::getFolderTransactions($folder_id));
}
}
if ($aFolderTransactions){
return $aFolderTransactions;
}
}
function getChildrenDocumentTransactions($iParentFolderId, $depth = '1'){
if($depth == '1'){
$sQuery = "SELECT id from documents WHERE parent_folder_ids LIKE ? ";
$aParams = array('%'.$iParentFolderId);
}//else
$aDocumentList = DBUtil::getResultArray(array($sQuery, $aParams));
if (PEAR::isError($aDocumentList)) {
// XXX: log error
return false;
}
if ($aDocumentList) {
foreach($aDocumentList as $documentElement){
$document_id = $documentElement['id'];
$aDocumentTransactions = array_merge($aDocumentTransactions, KTrss::getDocumentTransactions($document_id));
}
}
if ($aDocumentTransactions){
return $aDocumentTransactions;
}
}
// get information on document
function getOneDocument($iDocumentId, $iUserId){
$aDData = KTrss::getDocumentData($iUserId, $iDocumentId);
$aDTransactions = KTrss::getDocumentTransactions($iDocumentId);
if($aDData){
$aDData['itemType'] = 'document';
// create mime info
$aMimeInfo = KTrss::getMimeTypeInfo($iUserId, $iDocumentId);
$aDData['mimeTypeFName'] = $aMimeInfo['typeFName'];
$aDData['mimeTypeIcon'] = $aMimeInfo['typeIcon'];
$aDocument[] = $aDData;
$aDocument[] = $aDTransactions;
}
if (PEAR::isError($aDData)) {
return false;
}
if ($aDocument){
return $aDocument;
}
}
// get information for folder
function getOneFolder($iFolderId){
$aFData = KTrss::getFolderData($iFolderId);
$aFTransactions = array_merge(KTrss::getChildrenFolderTransactions($iFolderId), KTrss::getFolderTransactions($iFolderId));
$aFTransactions = array_merge($aFTransactions, KTrss::getChildrenDocumentTransactions($iFolderId));
$code = 'if (strtotime($a[datetime]) == strtotime($b[datetime])){
return 0;
}
return (strtotime($a[datetime]) > strtotime($b[datetime])) ? -1 : 1;';
$compare = create_function('$a,$b', $code);
usort($aFTransactions, $compare);
for($i=0; $i<4; $i++){
$aFTransactions_new[] = $aFTransactions[$i];
}
$aFTransactions = $aFTransactions_new;
if($aFData){
$aFData['itemType'] = 'folder';
// create mime info
$aFData['mimeTypeFName'] = 'Folder';
$aFData['mimeTypeIcon'] = KTrss::getFolderIcon();
$aFolder[] = $aFData;
$aFolder[] = $aFTransactions;
$aFolderBox[] = $aFolder;
}
if (PEAR::isError($aFData)) {
return false;
}
if ($aFolder){
return $aFolder;
}
}
// Takes in an array as a parameter and returns rss2.0 compatible xml
function arrayToXML($aItems){
// Build path to host
$aPath = explode('/', trim($_SERVER['PHP_SELF']));
$hostPath = "http://".$_SERVER['HTTP_HOST']."/".$aPath[1]."/";
$feed = "<?xml version=\"1.0\"?>\n";
$feed .= "<rss version=\"2.0\">\n".
"<channel>\n" .
"<title>".APP_NAME." RSS</title>\n" .
"<copyright>(c) 2007 The Jam Warehouse Software (Pty) Ltd. All Rights Reserved</copyright>\n" .
"<link>".$hostPath."</link>\n" .
"<description>KT-RSS</description>\n" .
"<image>\n".
"<title>".APP_NAME." RSS</title>\n".
"<width>140</width>\n".
"<height>28</height>".
"<link>".$hostPath."knowledgeTree/</link>\n".
"<url>".$hostPath."resources/graphics/ktlogo_rss.png</url>\n".
"</image>\n";
foreach($aItems as $aItems){
if($aItems[0][itemType] == 'folder'){
$sTypeSelect = 'folder.transactions&fFolderId';
}elseif($aItems[0][itemType] == 'document'){
$sTypeSelect = 'document.transactionhistory&fDocumentId';
}
$feed .= "<item>\n" .
"<title>".$aItems[0][0][name]."</title>\n" .
"<link>".$hostPath."action.php?kt_path_info=ktcore.actions.".$sTypeSelect."=".$aItems[0][0]['id']."</link>\n" .
"<description>\n" .
"<table border='0' width='90%'>\n".
"<tr>\n".
"<td width='5%' height='16px'>" .
"<a href='".$hostPath."action.php?kt_path_info=ktcore.actions.".$sTypeSelect."=".$aItems[0][0][id]."' ><img src='".$aItems[0][mimeTypeIcon]."' align='left' height='16px' width='16px' alt='' border='0' /></a>" .
"</td>\n".
"<td align='left'> ".$aItems[0][mimeTypeFName]."</td>\n".
"</tr>\n".
"<tr>\n".
"<td colspan='2'>\n".
ucfirst($aItems[0]['itemType'])." Information (ID: ".$aItems[0][0][id].")</>\n".
"<hr>\n".
"<table width='95%'>\n".
"<tr>\n".
"<td>Filename: ".$aItems[0][0][filename]."</td>\n".
"<td>\n".
"</tr>\n".
"<tr>\n".
"<td>Author: ".$aItems[0][0][author]."</td>\n".
"<td>\n".
"</tr>\n".
"<tr>\n".
"<td>Owner: ";if($aItems[0][0][owner]){$feed .= $aItems[0][0][owner];}else{$feed .= "None";}
$feed .= "</td>\n".
"<td></td>\n".
"</tr>\n".
"<tr>\n";if($aItems[0][0][type]){
$feed .= "<td>Document type: ".$aItems[0][0][type]."</td>\n".
"<td></td>\n";}
$feed .= "</tr>\n".
"<tr>\n".
"<td>Workflow status: ";if($aItems[0][0][workflow_status]){$feed .= $aItems[0][0][workflow_status];}else{$feed .= "No Workflow";}
$feed .= "</td>\n".
"<td></td>\n".
"</tr>\n".
"</table><br>\n".
"Transaction Summary (Last 3)\n".
"<hr>\n".
"<table width='100%'>\n";
foreach($aItems[1] as $item){
$feed .= "<tr>\n".
"<td>".$item[type]." name:</td>\n".
"<td>".$item[name]."</td>\n".
"</tr>\n".
"<tr>\n".
"<td>Path:</td>\n".
"<td>".$item[fullpath]."</td>\n".
"</tr>\n".
"<tr>\n".
"<td>Transaction:</td>\n".
"<td>".$item[transaction_name]."</td>\n".
"</tr>\n".
"<tr>\n".
"<td>Comment:</td>\n".
"<td>".$item[comment]."</td>\n".
"</tr>\n".
"<tr>\n";if($item[version]){
$feed .= "<td>Version:</td>\n".
"<td>".$item[version]."</td>\n";}
$feed .= "</tr>\n".
"<tr>\n".
"<td>Date:</td>\n".
"<td>".$item[datetime]."</td>\n".
"</tr>\n".
"<tr>\n".
"<td>User:</td>\n".
"<td>".$item[user_name]."</td>\n".
"</tr>\n".
"<tr>\n".
"<td colspan='2'><hr width='100' align='left'></td>\n".
"</tr>\n";}
$feed .= "</table>\n".
"</td>\n".
"</tr>\n".
"</table>".
"</description>\n".
"</item>\n";
}
$feed .= "</channel>\n" .
"</rss>\n";
return $feed;
}
// Takes in an array as a parameter and returns rss2.0 compatible xml
function errorToXML($sError){
// Build path to host
$aPath = explode('/', trim($_SERVER['PHP_SELF']));
$hostPath = "http://".$_SERVER['HTTP_HOST']."/".$aPath[1]."/";
$feed = "<?xml version=\"1.0\"?>\n";
$feed .= "<rss version=\"2.0\">\n".
"<channel>\n" .
"<title>".APP_NAME." RSS</title>\n" .
"<copyright>(c) 2007 The Jam Warehouse Software (Pty) Ltd. All Rights Reserved</copyright>\n" .
"<link>".$hostPath."</link>\n" .
"<description>KT-RSS</description>\n" .
"<image>\n".
"<title>".APP_NAME." RSS</title>\n".
"<width>140</width>\n".
"<height>28</height>".
"<link>".$hostPath."knowledgeTree/</link>\n".
"<url>".$hostPath."resources/graphics/ktlogo_rss.png</url>\n".
"</image>\n";
$feed .= "<item>\n".
"<title>Feed load error</title>\n" .
"<description>".$sError."</description>\n".
"</item>\n";
$feed .= "</channel>\n" .
"</rss>\n";
return $feed;
}
// Delete feed function
function deleteFeed($iFeedId){
$res = DBUtil::autoDelete('plugin_rss', $iFeedId);
}
// Get title for external feed
function getExternalFeedTitle($iFeedId){
$sQuery = "SELECT title FROM plugin_rss WHERE id = ?";
$aParams = array($iFeedId);
$sFeedTitle = DBUtil::getOneResultKey(array($sQuery, $aParams), 'title');
if (PEAR::isError($sFeedTitle)) {
// XXX: log error
return false;
}
if ($sFeedTitle) {
return $sFeedTitle;
}
}
// Get url for external feed
function getExternalFeedUrl($iFeedId){
$sQuery = "SELECT url FROM plugin_rss WHERE id = ?";
$aParams = array($iFeedId);
$sFeedUrl = DBUtil::getOneResultKey(array($sQuery, $aParams), 'url');
if (PEAR::isError($sFeedUrl)) {
// XXX: log error
return false;
}
if ($sFeedUrl) {
return $sFeedUrl;
}
}
// Update external feed data
function updateFeed($iFeedId, $sFeedTitle, $sFeedUrl){
$sQuery = "UPDATE plugin_rss SET title=?, url=? WHERE id=?";
$aParams = array($sFeedTitle, $sFeedUrl, $iFeedId);
$res = DBUtil::runQuery(array($sQuery, $aParams));
return $res;
}
// Create new external feed
function createFeed($sFeedTitle, $sFeedUrl, $iUserId){
$aParams = array(
'user_id' => $iUserId,
'url' => $sFeedUrl,
'title' => $sFeedTitle,
);
$res = DBUtil::autoInsert('plugin_rss', $aParams);
return $res;
}
// Function to validate that a user has permissions for a specific document
function validateDocumentPermissions($iUserId, $iDocumentId){
// check if user id is in session. If not, set it
if(!isset($_SESSION["userID"])){
$_SESSION['userID'] = $iUserId;
}
// get document object
$oDocument =& Document::get($iDocumentId);
if (PEAR::isError($oDocument)) {
return false;
}
// check permissions for document
if(Permission::userHasDocumentReadPermission($oDocument)){
return true;
}else{
return false;
}
}
// Function to validate that a user has permissions for a specific folder
function validateFolderPermissions($iUserId, $iFolderId){
// check if user id is in session. If not, set it
if(!isset($_SESSION["userID"])){
$_SESSION['userID'] = $iUserId;
}
// get folder object
$oFolder = Folder::get($iFolderId);
if (PEAR::isError($oFolder)) {
return false;
}
// check permissions for folder
if(Permission::userHasFolderReadPermission($oFolder)){
return true;
}else{
return false;
}
}
// get icon link for rss
function getRssLinkIcon(){
// built server path
$sHostPath = "http://".$_SERVER['HTTP_HOST']."/".$GLOBALS['KTRootUrl']."/";
// create image
$icon = "<img src='".$sHostPath."resources/graphics/rss.gif' alt='RSS' border=0/>";
return $icon;
}
// get rss link for a document/folder
function getRssLink($iItemId, $sItemType){
$item = strToLower($sItemType);
if($item == 'folder'){
$sItemParameter = '?folderId';
}else if($item == 'document'){
$sItemParameter = '?docId';
}
// built server path
$sHostPath = "http://".$_SERVER['HTTP_HOST'];
// build link
$sLink = $sHostPath.KTBrowseUtil::buildBaseUrl('rss').$sItemParameter.'='.$iItemId;
return $sLink;
}
// get rss icon link
function getImageLink($iItemId, $sItemType){
return "<a href='".KTrss::getRssLink($iItemId, $sItemType)."' target='_blank'>".KTrss::getRssLinkIcon()."</a>";
}
// get the mime type id for a document
function getDocumentMimeTypeId($iUserId, $iDocumentId){
if(!isset($_SESSION["userID"])){
$_SESSION['userID'] = $iUserId;
}
// get document object
$oDocument =& Document::get($iDocumentId);
$docMime = $oDocument->getMimeTypeID();
return $docMime;
}
// get mime information for a document
function getMimeTypeInfo($iUserId, $iDocumentId){
$mimeinfo['typeId'] = KTrss::getDocumentMimeTypeId($iUserId, $iDocumentId); // mime type id
$mimeinfo['typeName'] = KTMime::getMimeTypeName($mimeinfo['typeId']); // mime type name
$mimeinfo['typeFName'] = KTMime::getFriendlyNameForString($mimeinfo['typeName']); // mime type friendly name
$mimeinfo['typeIcon'] = "http://".$_SERVER['HTTP_HOST']."/".$GLOBALS['KTRootUrl']."/resources/mimetypes/".KTMime::getIconPath($mimeinfo['typeId']).".png"; //icon path
return $mimeinfo;
}
// get the default folder icon
function getFolderIcon(){
return $mimeinfo['typeIcon'] = "http://".$_SERVER['HTTP_HOST']."/".$GLOBALS['KTRootUrl']."/thirdparty/icon-theme/16x16/mimetypes/x-directory-normal.png"; //icon path
}
// get a document information
function getDocumentData($iUserId, $iDocumentId){
if(!isset($_SESSION["userID"])){
$_SESSION['userID'] = $iUserId;
}
// get document object
$oDocument =& Document::get($iDocumentId);
$cv = $oDocument->getContentVersionId();
$mv = $oDocument->getMetadataVersionId();
$sQuery = "SELECT dcv.document_id AS id, dmver.name AS name, dcv.filename AS filename, c.name AS author, o.name AS owner, dtl.name AS type, dwfs.name AS workflow_status " .
"FROM documents AS d LEFT JOIN document_content_version AS dcv ON d.id = dcv.document_id " .
"LEFT JOIN users AS o ON d.owner_id = o.id " .
"LEFT JOIN users AS c ON d.creator_id = c.id " .
"LEFT JOIN document_metadata_version AS dmv ON d.id = dmv.document_id " .
"LEFT JOIN document_types_lookup AS dtl ON dmv.document_type_id = dtl.id " .
"LEFT JOIN document_metadata_version AS dmver ON d.id = dmver.document_id " .
"LEFT JOIN workflow_states AS dwfs ON dmver.workflow_state_id = dwfs.id " .
"WHERE d.id = ? " .
"AND dmver.id = ? " .
"AND dcv.id = ? " .
"LIMIT 1";
$aParams = array($iDocumentId, $mv, $cv);
$aDocumentData = DBUtil::getResultArray(array($sQuery, $aParams));
if($aDocumentData){
return $aDocumentData;
}
}
// get a folder information
function getFolderData($iFolderId){
$sQuery = "SELECT f.id AS id, f.name AS name, f.name AS filename, c.name AS author, o.name AS owner, f.description AS description " .
"FROM folders AS f " .
"LEFT JOIN users AS o ON f.owner_id = o.id " .
"LEFT JOIN users AS c ON f.creator_id = c.id " .
"WHERE f.id = ? " .
"LIMIT 1";
$aParams = array($iFolderId);
$aFolderData = DBUtil::getResultArray(array($sQuery, $aParams));
if($aFolderData){
return $aFolderData;
}
}
// get a listing of the latest 3 transactions for a document
function getDocumentTransactions($iDocumentId){
$sQuery = "SELECT DT.datetime AS datetime, 'Document' AS type, DMV.name, D.full_path AS fullpath, DTT.name AS transaction_name, U.name AS user_name, DT.version AS version, DT.comment AS comment " .
"FROM document_transactions AS DT INNER JOIN users AS U ON DT.user_id = U.id " .
"INNER JOIN document_transaction_types_lookup AS DTT ON DTT.namespace = DT.transaction_namespace " .
"LEFT JOIN document_metadata_version AS DMV ON DT.document_id = DMV.document_id " .
"LEFT JOIN documents AS D ON DT.document_id = D.id " .
"WHERE DT.document_id = ? " .
"ORDER BY DT.datetime DESC " .
"LIMIT 4";
$aParams = array($iDocumentId);
$aDocumentTransactions = DBUtil::getResultArray(array($sQuery, $aParams));
if($aDocumentTransactions){
return $aDocumentTransactions;
}
}
// Get a listing of the latest 3 transactions for a folder
function getFolderTransactions($iFolderId){
$sQuery = "SELECT FT.datetime AS datetime, 'Folder' AS type, F.name, F.full_path AS fullpath, DTT.name AS transaction_name, U.name AS user_name, FT.comment AS comment " .
"FROM folder_transactions AS FT LEFT JOIN users AS U ON FT.user_id = U.id " .
"LEFT JOIN document_transaction_types_lookup AS DTT ON DTT.namespace = FT.transaction_namespace " .
"LEFT JOIN folders AS F ON FT.folder_id = F.id " .
"WHERE FT.folder_id = ? " .
"ORDER BY FT.datetime DESC " .
"LIMIT 4";
$aParams = array($iFolderId);
$aFolderTransactions = DBUtil::getResultArray(array($sQuery, $aParams));
if($iFolderId){
return $aFolderTransactions;
}
}
}
?>