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<?php
/**
 * @file        plugin_attachments.php     Shared media plugin: attachments
 * $Copyright: (c) 2001 - 2011 Invision Power Services, Inc.$
 * $License: http://www.invisionpower.com/company/standards.php#license$
 * $Author: rtissier $
 * @since        3/8/2011
 * $LastChangedDate: 2011-03-16 19:10:59 -0400 (Wed, 16 Mar 2011) $
 * @version        v3.3.3
 * $Revision: 8108 $
 */

if ( ! defined( 'IN_IPB' ) )
{
    print "<h1>Incorrect access</h1>You cannot access this file directly. If you have recently upgraded, make sure you upgraded 'admin.php'.";
    exit();
}

/**
 *
 * @class        plugin_core_attachments
 * @brief        Provide ability to share attachments via editor
 */
class plugin_core_attachments
{
    /**
     * Registry Object Shortcuts
     *
     * @var        $registry
     * @var        $DB
     * @var        $settings
     * @var        $request
     * @var        $lang
     * @var        $member
     * @var        $memberData
     * @var        $cache
     * @var        $caches
     */
    protected $registry;
    protected $DB;
    protected $settings;
    protected $request;
    protected $lang;
    protected $member;
    protected $memberData;
    protected $cache;
    protected $caches;
    
    /**
     * Attachments class
     *
     * @var        object
     */
    protected $attach;

    /**
     * Constructor
     *
     * @param    object        $registry        Registry object
     * @return    @e void
     */
    public function __construct( ipsRegistry $registry ) 
    {
        //-----------------------------------------
        // Make shortcuts
        //-----------------------------------------

        $this->registry        = $registry;
        $this->DB            = $this->registry->DB();
        $this->settings        =& $this->registry->fetchSettings();
        $this->request        =& $this->registry->fetchRequest();
        $this->member        = $this->registry->member();
        $this->memberData    =& $this->registry->member()->fetchMemberData();
        $this->cache        = $this->registry->cache();
        $this->caches        =& $this->registry->cache()->fetchCaches();
        $this->lang            = $this->registry->class_localization;
    }
    
    /**
     * Return the tab title
     *
     * @return    @e string
     */
    public function getTab()
    {
        if( $this->memberData['member_id'] )
        {
            return $this->lang->words['sharedmedia_attachments'];
        }
    }
    
    /**
     * Return the HTML to display the tab
     *
     * @return    @e string
     */
    public function showTab( $string )
    {
        //-----------------------------------------
        // Are we a member?
        //-----------------------------------------
        
        if( !$this->memberData['member_id'] )
        {
            return '';
        }

        //-----------------------------------------
        // How many attachments do we have?
        //-----------------------------------------
        
        $mimes    = $this->cache->getCache('attachtypes');
        $st        = intval($this->request['st']);
        $each    = 30;
        $where    = '';
        
        if( $string )
        {
            $where    = " AND attach_file LIKE '%{$string}%'";
        }

        $count    = $this->DB->buildAndFetch( array( 'select' => 'COUNT(*) as total', 'from' => 'attachments', 'where' => "attach_member_id={$this->memberData['member_id']}" . $where ) );
        $rows    = array();
        
        $pages    = $this->registry->output->generatePagination( array(    'totalItems'        => $count['total'],
                                                                        'itemsPerPage'        => $each,
                                                                        'currentStartValue'    => $st,
                                                                        'seoTitle'            => '',
                                                                        'method'            => 'nextPrevious',
                                                                        'noDropdown'        => true,
                                                                        'ajaxLoad'            => 'mymedia_content',
                                                                        'baseUrl'            => "app=core&amp;module=ajax&amp;section=media&amp;do=loadtab&amp;tabapp=core&amp;tabplugin=attachments&amp;search=" . urlencode($string) )    );

        $this->DB->build( array( 'select' => '*', 'from' => 'attachments', 'where' => "attach_member_id={$this->memberData['member_id']}" . $where, 'order' => 'attach_date DESC', 'limit' => array( $st, $each ) ) );
        $outer    = $this->DB->execute();
        
        while( $r = $this->DB->fetch($outer) )
        {
            if( $r['attach_thumb_location'] )
            {
                $image    = $this->settings['upload_url'] . '/' . $r['attach_thumb_location'];

                $dims    = IPSLib::scaleImage( array( 
                                                        'cur_width'        => $r['attach_thumb_width'],
                                                        'cur_height'    => $r['attach_thumb_height'],
                                                        'max_width'        => 80,
                                                        'max_height'    => 80,
                                                )        );
                $width    = $dims['img_width'];
                $height    = $dims['img_height'];
            }
            else
            {
                $image    = $this->settings['public_dir'] . $mimes[ $r['attach_ext'] ]['atype_img'];
                $width    = 0;
                $height    = 0;
            }

            $rows[]    = array(
                            'image'        => $image,
                            'width'        => $width,
                            'height'    => $height,
                            'title'        => IPSText::truncate( $r['attach_file'], 25 ),
                            'desc'        => '',
                            'insert'    => "core:attachments:" . $r['attach_id'],
                            );
        }

        return $this->registry->output->getTemplate('editors')->mediaGenericWrapper( $rows, $pages, 'core', 'attachments' );
    }

    /**
     * Return the HTML output to display
     *
     * @param    int        $attachId    Attachment ID to show
     * @return    @e string
     */
    public function getOutput( $attachId=0 )
    {
        $attachId    = intval($attachId);
        
        if( !$attachId )
        {
            return '';
        }
        
        if( !is_object($this->attach) )
        {
            $classToLoad    = IPSLib::loadLibrary( IPSLib::getAppDir( 'core' ) . '/sources/classes/attach/class_attach.php', 'class_attach' );
            $this->attach    =  new $classToLoad( $this->registry );
        }
        
        $attachment    = $this->DB->buildAndFetch( array( 'select' => '*', 'from' => 'attachments', 'where' => 'attach_id=' . $attachId ) );
        
        $this->attach->type    = $attachment['attach_rel_module'];
        $this->attach->init();
        
        $output    = $this->attach->renderSingleAttachment( $attachment );
        
        return $output;
    }
    
    /**
     * Verify current user has permission to post this
     *
     * @param    int        $attachId    Attachment ID to show
     * @return    @e bool
     */
    public function checkPostPermission( $attachId )
    {
        $attachId    = intval($attachId);
        
        if( !$attachId )
        {
            return '';
        }
        
        if( $this->memberData['g_is_supmod'] OR $this->memberData['is_mod'] )
        {
            return '';
        }
        
        $attachment    = $this->DB->buildAndFetch( array( 'select' => '*', 'from' => 'attachments', 'where' => 'attach_id=' . $attachId ) );
        
        if( $this->memberData['member_id'] AND $attachment['attach_member_id'] == $this->memberData['member_id'] )
        {
            return '';
        }
        
        return 'no_permission_shared';
    }
}