Verzeichnisstruktur phpBB-3.1.0
- Veröffentlicht
- 27.10.2014
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user_loader.php
001 <?php
002 /**
003 *
004 * This file is part of the phpBB Forum Software package.
005 *
006 * @copyright (c) phpBB Limited <https://www.phpbb.com>
007 * @license GNU General Public License, version 2 (GPL-2.0)
008 *
009 * For full copyright and license information, please see
010 * the docs/CREDITS.txt file.
011 *
012 */
013
014 namespace phpbb;
015
016 /**
017 * User loader class
018 *
019 * This handles loading users from the database and
020 * storing in them in a temporary cache so we do not
021 * have to query the same user multiple times in
022 * different services.
023 */
024 class user_loader
025 {
026 /** @var \phpbb\db\driver\driver_interface */
027 protected $db = null;
028
029 /** @var string */
030 protected $phpbb_root_path = null;
031
032 /** @var string */
033 protected $php_ext = null;
034
035 /** @var string */
036 protected $users_table = null;
037
038 /**
039 * Users loaded from the DB
040 *
041 * @var array Array of user data that we've loaded from the DB
042 */
043 protected $users = array();
044
045 /**
046 * User loader constructor
047 *
048 * @param \phpbb\db\driver\driver_interface $db A database connection
049 * @param string $phpbb_root_path Path to the phpbb includes directory.
050 * @param string $php_ext php file extension
051 * @param string $users_table The name of the database table (phpbb_users)
052 */
053 public function __construct(\phpbb\db\driver\driver_interface $db, $phpbb_root_path, $php_ext, $users_table)
054 {
055 $this->db = $db;
056
057 $this->phpbb_root_path = $phpbb_root_path;
058 $this->php_ext = $php_ext;
059
060 $this->users_table = $users_table;
061 }
062
063 /**
064 * Load user helper
065 *
066 * @param array $user_ids
067 */
068 public function load_users(array $user_ids)
069 {
070 $user_ids[] = ANONYMOUS;
071
072 // Make user_ids unique and convert to integer.
073 $user_ids = array_map('intval', array_unique($user_ids));
074
075 // Do not load users we already have in $this->users
076 $user_ids = array_diff($user_ids, array_keys($this->users));
077
078 if (sizeof($user_ids))
079 {
080 $sql = 'SELECT *
081 FROM ' . $this->users_table . '
082 WHERE ' . $this->db->sql_in_set('user_id', $user_ids);
083 $result = $this->db->sql_query($sql);
084
085 while ($row = $this->db->sql_fetchrow($result))
086 {
087 $this->users[$row['user_id']] = $row;
088 }
089 $this->db->sql_freeresult($result);
090 }
091 }
092
093 /**
094 * Load a user by username
095 *
096 * Stores the full data in the user cache so they do not need to be loaded again
097 * Returns the user id so you may use get_user() from the returned value
098 *
099 * @param string $username Raw username to load (will be cleaned)
100 * @return int User ID for the username
101 */
102 public function load_user_by_username($username)
103 {
104 $sql = 'SELECT *
105 FROM ' . $this->users_table . "
106 WHERE username_clean = '" . $this->db->sql_escape(utf8_clean_string($username)) . "'";
107 $result = $this->db->sql_query($sql);
108 $row = $this->db->sql_fetchrow($result);
109 $this->db->sql_freeresult($result);
110
111 if ($row)
112 {
113 $this->users[$row['user_id']] = $row;
114
115 return $row['user_id'];
116 }
117
118 return ANONYMOUS;
119 }
120
121 /**
122 * Get a user row from our users cache
123 *
124 * @param int $user_id User ID of the user you want to retreive
125 * @param bool $query Should we query the database if this user has not yet been loaded?
126 * Typically this should be left as false and you should make sure
127 * you load users ahead of time with load_users()
128 * @return array|bool Row from the database of the user or Anonymous if the user wasn't loaded/does not exist
129 * or bool False if the anonymous user was not loaded
130 */
131 public function get_user($user_id, $query = false)
132 {
133 if (isset($this->users[$user_id]))
134 {
135 return $this->users[$user_id];
136 }
137 // 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)
138 else if ($query || $user_id == ANONYMOUS)
139 {
140 $this->load_users(array($user_id));
141
142 return $this->get_user($user_id);
143 }
144
145 return $this->get_user(ANONYMOUS);
146 }
147
148 /**
149 * Get username
150 *
151 * @param int $user_id User ID of the user you want to retreive the username for
152 * @param string $mode The mode to load (same as get_username_string). One of the following:
153 * profile (for getting an url to the profile)
154 * username (for obtaining the username)
155 * colour (for obtaining the user colour)
156 * full (for obtaining a html string representing a coloured link to the users profile)
157 * no_profile (the same as full but forcing no profile link)
158 * @param string $guest_username Optional parameter to specify the guest username. It will be used in favor of the GUEST language variable then.
159 * @param string $custom_profile_url Optional parameter to specify a profile url. The user id get appended to this url as &u={user_id}
160 * @param bool $query Should we query the database if this user has not yet been loaded?
161 * Typically this should be left as false and you should make sure
162 * you load users ahead of time with load_users()
163 * @return string
164 */
165 public function get_username($user_id, $mode, $guest_username = false, $custom_profile_url = false, $query = false)
166 {
167 if (!($user = $this->get_user($user_id, $query)))
168 {
169 return '';
170 }
171
172 return get_username_string($mode, $user['user_id'], $user['username'], $user['user_colour'], $guest_username, $custom_profile_url);
173 }
174
175 /**
176 * Get avatar
177 *
178 * @param int $user_id User ID of the user you want to retreive the avatar for
179 * @param bool $query Should we query the database if this user has not yet been loaded?
180 * Typically this should be left as false and you should make sure
181 * you load users ahead of time with load_users()
182 * @return string
183 */
184 public function get_avatar($user_id, $query = false)
185 {
186 if (!($user = $this->get_user($user_id, $query)))
187 {
188 return '';
189 }
190
191 if (!function_exists('get_user_avatar'))
192 {
193 include($this->phpbb_root_path . 'includes/functions_display.' . $this->php_ext);
194 }
195
196 return get_user_avatar($user['user_avatar'], $user['user_avatar_type'], $user['user_avatar_width'], $user['user_avatar_height']);
197 }
198
199 /**
200 * Get rank
201 *
202 * @param int $user_id User ID of the user you want to retreive the rank for
203 * @param bool $query Should we query the database if this user has not yet been loaded?
204 * Typically this should be left as false and you should make sure
205 * you load users ahead of time with load_users()
206 * @return array Array with keys 'rank_title', 'rank_img', and 'rank_img_src'
207 */
208 public function get_rank($user_id, $query = false)
209 {
210 if (!($user = $this->get_user($user_id, $query)))
211 {
212 return '';
213 }
214
215 if (!function_exists('phpbb_get_user_rank'))
216 {
217 include($this->phpbb_root_path . 'includes/functions_display.' . $this->php_ext);
218 }
219
220 $rank = array(
221 'rank_title',
222 'rank_img',
223 'rank_img_src',
224 );
225
226 $user_rank_data = phpbb_get_user_rank($user, (($user['user_id'] == ANONYMOUS) ? false : $user['user_posts']));
227 $rank['rank_title'] = $user_rank_data['title'];
228 $rank['rank_img'] = $user_rank_data['img'];
229 $rank['rank_img_src'] = $user_rank_data['img_src'];
230
231 return $rank;
232 }
233 }
234