<?php
/**
 *
 * Copyright (C) Villanova University 2007.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2,
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
 
require_once 'Action.php';

require_once 'services/MyResearch/lib/Resource.php';
require_once 'services/MyResearch/lib/User.php';

class Save extends Action
{
    private $user;

    function __construct()
    {
        $this->user = UserAccount::isLoggedIn();
    }

    function launch()
    {
        global $interface;
        global $configArray;

        // Check if user is logged in
        if (!$this->user) {
            // Needed for "back to record" link in view-alt.tpl:
            $interface->assign('id', $_GET['id']);
            // Needed for login followup:
            $interface->assign('recordId', $_GET['id']);
            if (isset($_GET['lightbox'])) {
                $interface->assign('title', $_GET['message']);
                $interface->assign('message', 'You must be logged in first');
                $interface->assign('followup', true);
                $interface->assign('followupModule', 'Record');
                $interface->assign('followupAction', 'Save');
                return $interface->fetch('AJAX/login.tpl');
            } else {
                $interface->assign('followup', true);
                $interface->assign('followupModule', 'Record');
                $interface->assign('followupAction', 'Save');
                $interface->setPageTitle('You must be logged in first');
                $interface->assign('subTemplate', '../MyResearch/login.tpl');
                $interface->setTemplate('view-alt.tpl');
                $interface->display('layout.tpl', 'RecordSave' . $_GET['id']);
            }
            exit();
        }

        if (isset($_GET['submit'])) {
            $this->saveRecord();
            header('Location: ' . $configArray['Site']['url'] . '/Record/' . 
                urlencode($_GET['id']));
            exit();
        }
        
        // Setup Search Engine Connection
        $class = $configArray['Index']['engine'];
        $db = new $class($configArray['Index']['url']);
        if ($configArray['System']['debug']) {
            $db->debug = true;
        }

        // Get Record Information
        $details = $db->getRecord($_GET['id']);
        $interface->assign('record', $details);
        
        // Find out if the item is already part of any lists; save list info/IDs
        $saved = $this->user->getSavedData($_GET['id']);
        $containingLists = array();
        $containingListIds = array();
        foreach($saved as $current) {
            $containingLists[] = array('id' => $current->list_id, 
                'title' => $current->list_title);
            $containingListIds[] = $current->list_id;
        }
        $interface->assign('containingLists', $containingLists);
        
        // Create a list of all the lists that do NOT already contain the item:
        $lists = $this->user->getLists();
        $nonContainingLists = array();
        foreach($lists as $current) {
            if (!in_array($current->id, $containingListIds)) {
                $nonContainingLists[] = array('id' => $current->id,
                    'title' => $current->title);
            }
        }
        $interface->assign('nonContainingLists', $nonContainingLists);
        
        // Display Page
        $interface->assign('id', $_GET['id']);
        if (isset($_GET['lightbox'])) {
            $interface->assign('title', $_GET['message']);
            return $interface->fetch('Record/save.tpl');
        } else {
            $interface->setPageTitle('Add to favorites');
            $interface->assign('subTemplate', 'save.tpl');
            $interface->setTemplate('view-alt.tpl');
            $interface->display('layout.tpl', 'RecordSave' . $_GET['id']);
        }
    }
    
    function saveRecord()
    {
        if ($this->user) {
            $list = new User_list();
            if ($_GET['list'] != '') {
                $list->id = $_GET['list'];
            } else {
                $list->user_id = $this->user->id;
                $list->title = "My Favorites";
                $list->insert();
            }

            $resource = new Resource();
            $resource->record_id = $_GET['id'];
            $resource->service = $_GET['service'];
            if (!$resource->find(true)) {
                $resource->insert();
            }

            preg_match_all('/"[^"]*"|[^ ]+/', $_GET['mytags'], $tagArray);
            $this->user->addResource($resource, $list, $tagArray[0], $_GET['notes']);
        } else {
            return false;
        }
    }

}
?>