<?php
/**
 * $Id$
 *
 * KnowledgeTree Community Edition
 * Document Management Made Simple
 * Copyright (C) 2008, 2009 KnowledgeTree Inc.
 * 
 * 
 * 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 KnowledgeTree Inc., PO Box 7775 #87847, San Francisco, 
 * California 94120-7775, 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 . '/dispatcher.inc.php');
require_once(KT_LIB_DIR . '/templating/templating.inc.php');

require_once(KT_LIB_DIR . '/documentmanagement/Document.inc');
require_once(KT_LIB_DIR . '/documentmanagement/DocumentTransaction.inc');

require_once(KT_LIB_DIR . "/widgets/fieldWidgets.php");
require_once(KT_LIB_DIR . "/templating/kt3template.inc.php");

require_once(KT_LIB_DIR . "/browse/DocumentCollection.inc.php");
require_once(KT_LIB_DIR . "/browse/BrowseColumns.inc.php");
require_once(KT_LIB_DIR . "/browse/PartialQuery.inc.php");
require_once(KT_LIB_DIR . "/browse/browseutil.inc.php");

require_once(KT_LIB_DIR . "/documentmanagement/PhysicalDocumentManager.inc");

// FIXME chain in a notification alert for un-archival requests.
class KTArchiveTitle extends TitleColumn {

    function renderDocumentLink($aDataRow) {
        $outStr .= $aDataRow["document"]->getName();
        return $outStr;
    }

    function buildFolderLink($aDataRow) {
        return KTUtil::addQueryString($_SERVER['PHP_SELF'], sprintf('fFolderId=%d', $aDataRow["folder"]->getId()));
    }
}

class ArchivedDocumentsDispatcher extends KTAdminDispatcher {
    var $sHelpPage = 'ktcore/admin/archived documents.html';
    function do_main () {
        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('Archived Documents'));

        $this->oPage->setBreadcrumbDetails(_kt('browse'));

        $oFolder = Folder::get(KTUtil::arrayGet($_REQUEST, 'fFolderId', 1));
        if (PEAR::isError($oFolder)) {
            $this->errorRedirectToMain(_kt('Invalid folder selected.'));
            exit(0);
        }

        // Setup the collection for restore display.
        $aBaseParams = array();

        $collection = new AdvancedCollection();

        $oCR =& KTColumnRegistry::getSingleton();
        $col = $oCR->getColumn('ktcore.columns.selection');
        $aColOptions = array();
        //$aColOptions['qs_params'] = kt_array_merge($aBaseParams, array('fFolderId'=>$oFolder->getId()));
        $aColOptions['show_folders'] = false;
        $aColOptions['show_documents'] = true;
        $aColOptions['rangename'] = '_d[]';
        $col->setOptions($aColOptions);
        $collection->addColumn($col);

        $col = $oCR->getColumn('ktcore.columns.title');
        //$col->setOptions(array('qs_params'=>kt_array_merge($aBaseParams, array('action' => 'new', 'fFolderId'=>$oFolder->getId()))));
        $col->setOptions(array('link_documents' => false));
        $collection->addColumn($col);

        //$qObj = new BrowseQuery($iFolderId);
        $qObj = new ArchivedBrowseQuery($oFolder->getId());
        $collection->setQueryObject($qObj);

        $aOptions = $collection->getEnvironOptions();
        $aOptions['result_url'] = KTUtil::addQueryString($_SERVER['PHP_SELF'],
                                                         array(kt_array_merge($aBaseParams, array('fFolderId' => $oFolder->getId()))));

        $collection->setOptions($aOptions);

        $aURLParams = $aBaseParams;
        $aURLParams['action'] = 'restore';
        $aBreadcrumbs = KTUtil::generate_breadcrumbs($oFolder, $iFolderId, $aURLParams);

        $aTemplateData = array(
              'context' => $this,
              'folder' => $oFolder,
              'breadcrumbs' => $aBreadcrumbs,
              'collection' => $collection
        );

        $oTemplate =& $this->oValidator->validateTemplate('ktcore/document/admin/archivebrowse');
        return $oTemplate->render($aTemplateData);
    }

    /*
     * Provide for "archived" browsing.
     */
    function do_browse() {

    }

    function do_confirm_restore() {
        $this->aBreadcrumbs[] = array('url' => $_SERVER['PHP_SELF'], 'name' => _kt('Archived Documents'));

        $selected_docs = KTUtil::arrayGet($_REQUEST, '_d', array());

        $this->oPage->setTitle(sprintf(_kt('Confirm Restore of %d documents'), count($selected_docs)));

        $this->oPage->setBreadcrumbDetails(sprintf(_kt('confirm restore of %d documents'), count($selected_docs)));

        $aDocuments = array();
        foreach ($selected_docs as $doc_id) {
            $oDoc =& Document::get($doc_id);
            if (PEAR::isError($oDoc) || ($oDoc === false)) {
                $this->errorRedirectToMain(_kt('Invalid document id specified. Aborting restore.'));
            } else if ($oDoc->getStatusId() != ARCHIVED) {
                $this->errorRedirectToMain(sprintf(_kt('%s is not an archived document. Aborting restore.'), $oDoc->getName()));
            }
            $aDocuments[] = $oDoc;
        }


        $oTemplating =& KTTemplating::getSingleton();
        $oTemplate = $oTemplating->loadTemplate('ktcore/document/admin/dearchiveconfirmlist');
        $oTemplate->setData(array(
            'context' => $this,
            'documents' => $aDocuments,
        ));
        return $oTemplate;
    }

    function do_finish_restore() {


        $selected_docs = KTUtil::arrayGet($_REQUEST, 'selected_docs', array());

        $aDocuments = array();
        foreach ($selected_docs as $doc_id) {
            $oDoc =& Document::get($doc_id);
            if (PEAR::isError($oDoc) || ($oDoc === false)) {
                $this->errorRedirectToMain(_kt('Invalid document id specified. Aborting restore.'));
            } else if ($oDoc->getStatusId() != ARCHIVED) {
                $this->errorRedirectToMain(sprintf(_kt('%s is not an archived document. Aborting restore.'), $oDoc->getName()));
            }
            $aDocuments[] = $oDoc;
        }

        $this->startTransaction();

        foreach ($aDocuments as $oDoc) {
            // FIXME find de-archival source.
            // FIXME purge old notifications.
            // FIXME create de-archival notices to those who sent in old notifications.
            $oDoc->setStatusId(LIVE);
            $res = $oDoc->update();
            if (PEAR::isError($res) || ($res == false)) {
                $this->errorRedirectToMain(sprintf(_kt('%s could not be made "live".'), $oDoc->getName));
            }
            $oDocumentTransaction = & new DocumentTransaction($oDoc, _kt('Document restored.'), 'ktcore.transactions.update');
            $oDocumentTransaction->create();
        }

        $this->commitTransaction();
        $msg = sprintf(_kt('%d documents made active.'), count($aDocuments));
        $this->successRedirectToMain($msg);
    }

}

?>