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<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\avatar\driver;
/**
* Handles avatars selected from the board gallery
*/
class local extends \phpbb\avatar\driver\driver
{
    /**
    * {@inheritdoc}
    */
    public function get_data($row)
    {
        $root_path = (defined('PHPBB_USE_BOARD_URL_PATH') && PHPBB_USE_BOARD_URL_PATH) ? generate_board_url() . '/' : $this->path_helper->get_web_root_path();
        return array(
            'src' => $root_path . $this->config['avatar_gallery_path'] . '/' . $row['avatar'],
            'width' => $row['avatar_width'],
            'height' => $row['avatar_height'],
        );
    }
    /**
    * {@inheritdoc}
    */
    public function prepare_form($request, $template, $user, $row, &$error)
    {
        $avatar_list = $this->get_avatar_list($user);
        $category = $request->variable('avatar_local_cat', key($avatar_list));
        foreach ($avatar_list as $cat => $null)
        {
            if (!empty($avatar_list[$cat]))
            {
                $template->assign_block_vars('avatar_local_cats', array(
                    'NAME' => $cat,
                    'SELECTED' => ($cat == $category),
                ));
            }
            if ($cat != $category)
            {
                unset($avatar_list[$cat]);
            }
        }
        if (!empty($avatar_list[$category]))
        {
            $template->assign_vars(array(
                'AVATAR_LOCAL_SHOW' => true,
            ));
            $table_cols = isset($row['avatar_gallery_cols']) ? $row['avatar_gallery_cols'] : 4;
            $row_count = $col_count = $avatar_pos = 0;
            $avatar_count = count($avatar_list[$category]);
            reset($avatar_list[$category]);
            while ($avatar_pos < $avatar_count)
            {
                $img = current($avatar_list[$category]);
                next($avatar_list[$category]);
                if ($col_count == 0)
                {
                    ++$row_count;
                    $template->assign_block_vars('avatar_local_row', array(
                    ));
                }
                $template->assign_block_vars('avatar_local_row.avatar_local_col', array(
                    'AVATAR_IMAGE'  => $this->phpbb_root_path . $this->config['avatar_gallery_path'] . '/' . $img['file'],
                    'AVATAR_NAME'     => $img['name'],
                    'AVATAR_FILE'     => $img['filename'],
                    'CHECKED'            => $img['file'] === $row['avatar'],
                ));
                $template->assign_block_vars('avatar_local_row.avatar_local_option', array(
                    'AVATAR_FILE'         => $img['filename'],
                    'S_OPTIONS_AVATAR'    => $img['filename'],
                    'CHECKED'            => $img['file'] === $row['avatar'],
                ));
                $col_count = ($col_count + 1) % $table_cols;
                ++$avatar_pos;
            }
        }
        return true;
    }
    /**
    * {@inheritdoc}
    */
    public function prepare_form_acp($user)
    {
        return array(
            'avatar_gallery_path'    => array('lang' => 'AVATAR_GALLERY_PATH',    'validate' => 'rpath',    'type' => 'text:20:255', 'explain' => true),
        );
    }
    /**
    * {@inheritdoc}
    */
    public function process_form($request, $template, $user, $row, &$error)
    {
        $avatar_list = $this->get_avatar_list($user);
        $category = $request->variable('avatar_local_cat', '');
        $file = $request->variable('avatar_local_file', '');
        if (empty($category) || empty($file))
        {
            return false;
        }
        if (!isset($avatar_list[$category][urldecode($file)]))
        {
            $error[] = 'AVATAR_URL_NOT_FOUND';
            return false;
        }
        return array(
            'avatar' => ($category != $user->lang['NO_AVATAR_CATEGORY']) ? $category . '/' . $file : $file,
            'avatar_width' => $avatar_list[$category][urldecode($file)]['width'],
            'avatar_height' => $avatar_list[$category][urldecode($file)]['height'],
        );
    }
    /**
    * {@inheritdoc}
    */
    public function get_template_name()
    {
        return 'ucp_avatar_options_local.html';
    }
    /**
    * Get a list of avatars that are locally available
    * Results get cached for 24 hours (86400 seconds)
    *
    * @param \phpbb\user $user User object
    *
    * @return array Array containing the locally available avatars
    */
    protected function get_avatar_list($user)
    {
        $avatar_list = ($this->cache == null) ? false : $this->cache->get('_avatar_local_list_' . $user->data['user_lang']);
        if ($avatar_list === false)
        {
            $avatar_list = array();
            $path = $this->phpbb_root_path . $this->config['avatar_gallery_path'];
            $iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($path, \FilesystemIterator::SKIP_DOTS | \FilesystemIterator::UNIX_PATHS), \RecursiveIteratorIterator::SELF_FIRST);
            foreach ($iterator as $file_info)
            {
                $file_path = $file_info->getPath();
                $image = $file_info->getFilename();
                // Match all images in the gallery folder
                if (preg_match('#^[^&\'"<>]+\.(?:' . implode('|', $this->allowed_extensions) . ')$#i', $image) && is_file($file_path . '/' . $image))
                {
                    $dims = $this->imagesize->getImageSize($file_path . '/' . $image);
                    if ($dims === false)
                    {
                        $dims = array(0, 0);
                    }
                    else
                    {
                        $dims = array($dims['width'], $dims['height']);
                    }
                    $cat = ($path == $file_path) ? $user->lang['NO_AVATAR_CATEGORY'] : str_replace("$path/", '', $file_path);
                    $avatar_list[$cat][$image] = array(
                        'file'      => ($cat != $user->lang['NO_AVATAR_CATEGORY']) ? str_replace('%2F', '/', rawurlencode($cat)) . '/' . rawurlencode($image) : rawurlencode($image),
                        'filename'  => rawurlencode($image),
                        'name'      => ucfirst(str_replace('_', ' ', preg_replace('#^(.*)\..*$#', '\1', $image))),
                        'width'     => $dims[0],
                        'height'    => $dims[1],
                    );
                }
            }
            ksort($avatar_list);
            if ($this->cache != null)
            {
                $this->cache->put('_avatar_local_list_' . $user->data['user_lang'], $avatar_list, 86400);
            }
        }
        return $avatar_list;
    }
}