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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;
/**
* User loader class
*
* This handles loading users from the database and
* storing in them in a temporary cache so we do not
* have to query the same user multiple times in
* different services.
*/
class user_loader
{
/** @var \phpbb\db\driver\driver_interface */
protected $db = null;
/** @var string */
protected $phpbb_root_path = null;
/** @var string */
protected $php_ext = null;
/** @var string */
protected $users_table = null;
/**
* Users loaded from the DB
*
* @var array Array of user data that we've loaded from the DB
*/
protected $users = array();
/**
* User loader constructor
*
* @param \phpbb\db\driver\driver_interface $db A database connection
* @param string $phpbb_root_path Path to the phpbb includes directory.
* @param string $php_ext php file extension
* @param string $users_table The name of the database table (phpbb_users)
*/
public function __construct(\phpbb\db\driver\driver_interface $db, $phpbb_root_path, $php_ext, $users_table)
{
$this->db = $db;
$this->phpbb_root_path = $phpbb_root_path;
$this->php_ext = $php_ext;
$this->users_table = $users_table;
}
/**
* Load user helper
*
* @param array $user_ids
* @param array $ignore_types user types to ignore
*/
public function load_users(array $user_ids, array $ignore_types = array())
{
$user_ids[] = ANONYMOUS;
// Make user_ids unique and convert to integer.
$user_ids = array_map('intval', array_unique($user_ids));
// Do not load users we already have in $this->users
$user_ids = array_diff($user_ids, array_keys($this->users));
if (count($user_ids))
{
$sql = 'SELECT *
FROM ' . $this->users_table . '
WHERE ' . $this->db->sql_in_set('user_id', $user_ids) . '
AND ' . $this->db->sql_in_set('user_type', $ignore_types, true, true);
$result = $this->db->sql_query($sql);
while ($row = $this->db->sql_fetchrow($result))
{
$this->users[$row['user_id']] = $row;
}
$this->db->sql_freeresult($result);
}
}
/**
* Load a user by username
*
* Stores the full data in the user cache so they do not need to be loaded again
* Returns the user id so you may use get_user() from the returned value
*
* @param string $username Raw username to load (will be cleaned)
* @return int User ID for the username
*/
public function load_user_by_username($username)
{
$sql = 'SELECT *
FROM ' . $this->users_table . "
WHERE username_clean = '" . $this->db->sql_escape(utf8_clean_string($username)) . "'";
$result = $this->db->sql_query($sql);
$row = $this->db->sql_fetchrow($result);
$this->db->sql_freeresult($result);
if ($row)
{
$this->users[$row['user_id']] = $row;
return $row['user_id'];
}
return ANONYMOUS;
}
/**
* Get a user row from our users cache
*
* @param int $user_id User ID of the user you want to retrieve
* @param bool $query Should we query the database if this user has not yet been loaded?
* Typically this should be left as false and you should make sure
* you load users ahead of time with load_users()
* @return array|bool Row from the database of the user or Anonymous if the user wasn't loaded/does not exist
* or bool False if the anonymous user was not loaded
*/
public function get_user($user_id, $query = false)
{
if (isset($this->users[$user_id]))
{
return $this->users[$user_id];
}
// Query them if we must (if ANONYMOUS is sent as the user_id and we have not loaded Anonymous yet, we must load Anonymous as a last resort)
else if ($query || $user_id == ANONYMOUS)
{
$this->load_users(array($user_id));
return $this->get_user($user_id);
}
return $this->get_user(ANONYMOUS);
}
/**
* Get username
*
* @param int $user_id User ID of the user you want to retrieve the username for
* @param string $mode The mode to load (same as get_username_string). One of the following:
* profile (for getting an url to the profile)
* username (for obtaining the username)
* colour (for obtaining the user colour)
* full (for obtaining a html string representing a coloured link to the users profile)
* no_profile (the same as full but forcing no profile link)
* @param string $guest_username Optional parameter to specify the guest username. It will be used in favor of the GUEST language variable then.
* @param string $custom_profile_url Optional parameter to specify a profile url. The user id get appended to this url as &u={user_id}
* @param bool $query Should we query the database if this user has not yet been loaded?
* Typically this should be left as false and you should make sure
* you load users ahead of time with load_users()
* @return string
*/
public function get_username($user_id, $mode, $guest_username = false, $custom_profile_url = false, $query = false)
{
if (!($user = $this->get_user($user_id, $query)))
{
return '';
}
return get_username_string($mode, $user['user_id'], $user['username'], $user['user_colour'], $guest_username, $custom_profile_url);
}
/**
* Get avatar
*
* @param int $user_id User ID of the user you want to retrieve the avatar for
* @param bool $query Should we query the database if this user has not yet been loaded?
* Typically this should be left as false and you should make sure
* you load users ahead of time with load_users()
* @param bool @lazy If true, will be lazy loaded (requires JS)
* @return string
*/
public function get_avatar($user_id, $query = false, $lazy = false)
{
if (!($user = $this->get_user($user_id, $query)))
{
return '';
}
$row = array(
'avatar' => $user['user_avatar'],
'avatar_type' => $user['user_avatar_type'],
'avatar_width' => $user['user_avatar_width'],
'avatar_height' => $user['user_avatar_height'],
);
return phpbb_get_avatar($row, 'USER_AVATAR', false, $lazy);
}
/**
* Get rank
*
* @param int $user_id User ID of the user you want to retrieve the rank for
* @param bool $query Should we query the database if this user has not yet been loaded?
* Typically this should be left as false and you should make sure
* you load users ahead of time with load_users()
* @return array Array with keys 'rank_title', 'rank_img', and 'rank_img_src'
*/
public function get_rank($user_id, $query = false)
{
if (!($user = $this->get_user($user_id, $query)))
{
return '';
}
if (!function_exists('phpbb_get_user_rank'))
{
include($this->phpbb_root_path . 'includes/functions_display.' . $this->php_ext);
}
$rank = array(
'rank_title',
'rank_img',
'rank_img_src',
);
$user_rank_data = phpbb_get_user_rank($user, (($user['user_id'] == ANONYMOUS) ? false : $user['user_posts']));
$rank['rank_title'] = $user_rank_data['title'];
$rank['rank_img'] = $user_rank_data['img'];
$rank['rank_img_src'] = $user_rank_data['img_src'];
return $rank;
}
}
|
