phpBB/includes/functions_display.php

   1 <?php
   2 /**
   3 *
   4 * @package phpBB3
   5 * @version $Id$
   6 * @copyright (c) 2005 phpBB Group
   7 * @license http://opensource.org/licenses/gpl-license.php GNU Public License
   8 *
   9 */
  10
  11 /**
  12 * @ignore
  13 */
  14 if (!defined('IN_PHPBB'))
  15 {
  16         exit;
  17 }
  18
  19 /**
  20 * Display Forums
  21 */
  22 function display_forums($root_data = '', $display_moderators = true, $return_moderators = false)
  23 {
  24         global $db, $auth, $user, $template;
  25         global $phpbb_root_path, $phpEx, $config;
  26
  27         $forum_rows = $subforums = $forum_ids = $forum_ids_moderator = $forum_moderators = $active_forum_ary = array();
  28         $parent_id = $visible_forums = 0;
  29         $sql_from = '';
  30
  31         // Mark forums read?
  32         $mark_read = request_var('mark', '');
  33
  34         if ($mark_read == 'all')
  35         {
  36                 $mark_read = '';
  37         }
  38
  39         if (!$root_data)
  40         {
  41                 if ($mark_read == 'forums')
  42                 {
  43                         $mark_read = 'all';
  44                 }
  45
  46                 $root_data = array('forum_id' => 0);
  47                 $sql_where = '';
  48         }
  49         else
  50         {
  51                 $sql_where = 'left_id > ' . $root_data['left_id'] . ' AND left_id < ' . $root_data['right_id'];
  52         }
  53
  54         // Display list of active topics for this category?
  55         $show_active = (isset($root_data['forum_flags']) && ($root_data['forum_flags'] & FORUM_FLAG_ACTIVE_TOPICS)) ? true : false;
  56
  57         $sql_array = array(
  58                 'SELECT'        => 'f.*',
  59                 'FROM'          => array(
  60                         FORUMS_TABLE            => 'f'
  61                 ),
  62                 'LEFT_JOIN'     => array(),
  63         );
  64
  65         if ($config['load_db_lastread'] && $user->data['is_registered'])
  66         {
  67                 $sql_array['LEFT_JOIN'][] = array('FROM' => array(FORUMS_TRACK_TABLE => 'ft'), 'ON' => 'ft.user_id = ' . $user->data['user_id'] . ' AND ft.forum_id = f.forum_id');
  68                 $sql_array['SELECT'] .= ', ft.mark_time';
  69         }
  70         else if ($config['load_anon_lastread'] || $user->data['is_registered'])
  71         {
  72                 $tracking_topics = (isset($_COOKIE[$config['cookie_name'] . '_track'])) ? ((STRIP) ? stripslashes($_COOKIE[$config['cookie_name'] . '_track']) : $_COOKIE[$config['cookie_name'] . '_track']) : '';
  73                 $tracking_topics = ($tracking_topics) ? tracking_unserialize($tracking_topics) : array();
  74
  75                 if (!$user->data['is_registered'])
  76                 {
  77                         $user->data['user_lastmark'] = (isset($tracking_topics['l'])) ? (int) (base_convert($tracking_topics['l'], 36, 10) + $config['board_startdate']) : 0;
  78                 }
  79         }
  80
  81         if ($show_active)
  82         {
  83                 $sql_array['LEFT_JOIN'][] = array(
  84                         'FROM'  => array(FORUMS_ACCESS_TABLE => 'fa'),
  85                         'ON'    => "fa.forum_id = f.forum_id AND fa.session_id = '" . $db->sql_escape($user->session_id) . "'"
  86                 );
  87
  88                 $sql_array['SELECT'] .= ', fa.user_id';
  89         }
  90
  91         $sql = $db->sql_build_query('SELECT', array(
  92                 'SELECT'        => $sql_array['SELECT'],
  93                 'FROM'          => $sql_array['FROM'],
  94                 'LEFT_JOIN'     => $sql_array['LEFT_JOIN'],
  95
  96                 'WHERE'         => $sql_where,
  97
  98                 'ORDER_BY'      => 'f.left_id',
  99         ));
 100
 101         $result = $db->sql_query($sql);
 102
 103         $forum_tracking_info = array();
 104         $branch_root_id = $root_data['forum_id'];
 105
 106         // Check for unread global announcements (index page only)
 107         $ga_unread = false;
 108         if ($root_data['forum_id'] == 0)
 109         {
 110                 $unread_ga_list = get_unread_topics($user->data['user_id'], 'AND t.forum_id = 0', '', 1);
 111
 112                 if (!empty($unread_ga_list))
 113                 {
 114                         $ga_unread = true;
 115                 }
 116         }
 117
 118         while ($row = $db->sql_fetchrow($result))
 119         {
 120                 $forum_id = $row['forum_id'];
 121
 122                 // Mark forums read?
 123                 if ($mark_read == 'forums' || $mark_read == 'all')
 124                 {
 125                         if ($auth->acl_get('f_list', $forum_id))
 126                         {
 127                                 $forum_ids[] = $forum_id;
 128                                 continue;
 129                         }
 130                 }
 131
 132                 // Category with no members
 133                 if ($row['forum_type'] == FORUM_CAT && ($row['left_id'] + 1 == $row['right_id']))
 134                 {
 135                         continue;
 136                 }
 137
 138                 // Skip branch
 139                 if (isset($right_id))
 140                 {
 141                         if ($row['left_id'] < $right_id)
 142                         {
 143                                 continue;
 144                         }
 145                         unset($right_id);
 146                 }
 147
 148                 if (!$auth->acl_get('f_list', $forum_id))
 149                 {
 150                         // if the user does not have permissions to list this forum, skip everything until next branch
 151                         $right_id = $row['right_id'];
 152                         continue;
 153                 }
 154
 155                 $forum_ids[] = $forum_id;
 156
 157                 if ($config['load_db_lastread'] && $user->data['is_registered'])
 158                 {
 159                         $forum_tracking_info[$forum_id] = (!empty($row['mark_time'])) ? $row['mark_time'] : $user->data['user_lastmark'];
 160                 }
 161                 else if ($config['load_anon_lastread'] || $user->data['is_registered'])
 162                 {
 163                         if (!$user->data['is_registered'])
 164                         {
 165                                 $user->data['user_lastmark'] = (isset($tracking_topics['l'])) ? (int) (base_convert($tracking_topics['l'], 36, 10) + $config['board_startdate']) : 0;
 166                         }
 167                         $forum_tracking_info[$forum_id] = (isset($tracking_topics['f'][$forum_id])) ? (int) (base_convert($tracking_topics['f'][$forum_id], 36, 10) + $config['board_startdate']) : $user->data['user_lastmark'];
 168                 }
 169
 170                 // Count the difference of real to public topics, so we can display an information to moderators
 171                 $row['forum_id_unapproved_topics'] = ($auth->acl_get('m_approve', $forum_id) && ($row['forum_topics_real'] != $row['forum_topics'])) ? $forum_id : 0;
 172                 $row['forum_topics'] = ($auth->acl_get('m_approve', $forum_id)) ? $row['forum_topics_real'] : $row['forum_topics'];
 173
 174                 // Display active topics from this forum?
 175                 if ($show_active && $row['forum_type'] == FORUM_POST && $auth->acl_get('f_read', $forum_id) && ($row['forum_flags'] & FORUM_FLAG_ACTIVE_TOPICS))
 176                 {
 177                         if (!isset($active_forum_ary['forum_topics']))
 178                         {
 179                                 $active_forum_ary['forum_topics'] = 0;
 180                         }
 181
 182                         if (!isset($active_forum_ary['forum_posts']))
 183                         {
 184                                 $active_forum_ary['forum_posts'] = 0;
 185                         }
 186
 187                         $active_forum_ary['forum_id'][]         = $forum_id;
 188                         $active_forum_ary['enable_icons'][]     = $row['enable_icons'];
 189                         $active_forum_ary['forum_topics']       += $row['forum_topics'];
 190                         $active_forum_ary['forum_posts']        += $row['forum_posts'];
 191
 192                         // If this is a passworded forum we do not show active topics from it if the user is not authorised to view it...
 193                         if ($row['forum_password'] && $row['user_id'] != $user->data['user_id'])
 194                         {
 195                                 $active_forum_ary['exclude_forum_id'][] = $forum_id;
 196                         }
 197                 }
 198
 199                 //
 200                 if ($row['parent_id'] == $root_data['forum_id'] || $row['parent_id'] == $branch_root_id)
 201                 {
 202                         if ($row['forum_type'] != FORUM_CAT)
 203                         {
 204                                 $forum_ids_moderator[] = (int) $forum_id;
 205                         }
 206
 207                         // Direct child of current branch
 208                         $parent_id = $forum_id;
 209                         $forum_rows[$forum_id] = $row;
 210
 211                         if ($row['forum_type'] == FORUM_CAT && $row['parent_id'] == $root_data['forum_id'])
 212                         {
 213                                 $branch_root_id = $forum_id;
 214                         }
 215                         $forum_rows[$parent_id]['forum_id_last_post'] = $row['forum_id'];
 216                         $forum_rows[$parent_id]['orig_forum_last_post_time'] = $row['forum_last_post_time'];
 217                 }
 218                 else if ($row['forum_type'] != FORUM_CAT)
 219                 {
 220                         $subforums[$parent_id][$forum_id]['display'] = ($row['display_on_index']) ? true : false;
 221                         $subforums[$parent_id][$forum_id]['name'] = $row['forum_name'];
 222                         $subforums[$parent_id][$forum_id]['orig_forum_last_post_time'] = $row['forum_last_post_time'];
 223                         $subforums[$parent_id][$forum_id]['children'] = array();
 224
 225                         if (isset($subforums[$parent_id][$row['parent_id']]) && !$row['display_on_index'])
 226                         {
 227                                 $subforums[$parent_id][$row['parent_id']]['children'][] = $forum_id;
 228                         }
 229
 230                         if (!$forum_rows[$parent_id]['forum_id_unapproved_topics'] && $row['forum_id_unapproved_topics'])
 231                         {
 232                                 $forum_rows[$parent_id]['forum_id_unapproved_topics'] = $forum_id;
 233                         }
 234
 235                         $forum_rows[$parent_id]['forum_topics'] += $row['forum_topics'];
 236
 237                         // Do not list redirects in LINK Forums as Posts.
 238                         if ($row['forum_type'] != FORUM_LINK)
 239                         {
 240                                 $forum_rows[$parent_id]['forum_posts'] += $row['forum_posts'];
 241                         }
 242
 243                         if ($row['forum_last_post_time'] > $forum_rows[$parent_id]['forum_last_post_time'])
 244                         {
 245                                 $forum_rows[$parent_id]['forum_last_post_id'] = $row['forum_last_post_id'];
 246                                 $forum_rows[$parent_id]['forum_last_post_subject'] = $row['forum_last_post_subject'];
 247                                 $forum_rows[$parent_id]['forum_last_post_time'] = $row['forum_last_post_time'];
 248                                 $forum_rows[$parent_id]['forum_last_poster_id'] = $row['forum_last_poster_id'];
 249                                 $forum_rows[$parent_id]['forum_last_poster_name'] = $row['forum_last_poster_name'];
 250                                 $forum_rows[$parent_id]['forum_last_poster_colour'] = $row['forum_last_poster_colour'];
 251                                 $forum_rows[$parent_id]['forum_id_last_post'] = $forum_id;
 252                         }
 253                 }
 254         }
 255         $db->sql_freeresult($result);
 256
 257         // Handle marking posts
 258         if ($mark_read == 'forums' || $mark_read == 'all')
 259         {
 260                 $redirect = build_url(array('mark', 'hash'));
 261                 $token = request_var('hash', '');
 262                 if (check_link_hash($token, 'global'))
 263                 {
 264                         if ($mark_read == 'all')
 265                         {
 266                                 markread('all');
 267                                 $message = sprintf($user->lang['RETURN_INDEX'], '<a href="' . $redirect . '">', '</a>');
 268                         }
 269                         else
 270                         {
 271                                 // Add 0 to forums array to mark global announcements correctly
 272                                 $forum_ids[] = 0;
 273                                 markread('topics', $forum_ids);
 274                                 $message = sprintf($user->lang['RETURN_FORUM'], '<a href="' . $redirect . '">', '</a>');
 275                         }
 276                         meta_refresh(3, $redirect);
 277                         trigger_error($user->lang['FORUMS_MARKED'] . '<br /><br />' . $message);
 278                 }
 279                 else
 280                 {
 281                         $message = sprintf($user->lang['RETURN_PAGE'], '<a href="' . $redirect . '">', '</a>');
 282                         meta_refresh(3, $redirect);
 283                         trigger_error($message);
 284                 }
 285
 286         }
 287
 288         // Grab moderators ... if necessary
 289         if ($display_moderators)
 290         {
 291                 if ($return_moderators)
 292                 {
 293                         $forum_ids_moderator[] = $root_data['forum_id'];
 294                 }
 295                 get_moderators($forum_moderators, $forum_ids_moderator);
 296         }
 297
 298         // Used to tell whatever we have to create a dummy category or not.
 299         $last_catless = true;
 300         foreach ($forum_rows as $row)
 301         {
 302                 // Empty category
 303                 if ($row['parent_id'] == $root_data['forum_id'] && $row['forum_type'] == FORUM_CAT)
 304                 {
 305                         $template->assign_block_vars('forumrow', array(
 306                                 'S_IS_CAT'                              => true,
 307                                 'FORUM_ID'                              => $row['forum_id'],
 308                                 'FORUM_NAME'                    => $row['forum_name'],
 309                                 'FORUM_DESC'                    => generate_text_for_display($row['forum_desc'], $row['forum_desc_uid'], $row['forum_desc_bitfield'], $row['forum_desc_options']),
 310                                 'FORUM_FOLDER_IMG'              => '',
 311                                 'FORUM_FOLDER_IMG_SRC'  => '',
 312                                 'FORUM_IMAGE'                   => ($row['forum_image']) ? '<img src="' . $phpbb_root_path . $row['forum_image'] . '" alt="' . $user->lang['FORUM_CAT'] . '" />' : '',
 313                                 'FORUM_IMAGE_SRC'               => ($row['forum_image']) ? $phpbb_root_path . $row['forum_image'] : '',
 314                                 'U_VIEWFORUM'                   => append_sid("{$phpbb_root_path}viewforum.$phpEx", 'f=' . $row['forum_id']))
 315                         );
 316
 317                         continue;
 318                 }
 319
 320                 $visible_forums++;
 321                 $forum_id = $row['forum_id'];
 322
 323                 $forum_unread = (isset($forum_tracking_info[$forum_id]) && $row['orig_forum_last_post_time'] > $forum_tracking_info[$forum_id]) ? true : false;
 324
 325                 // Mark the first visible forum on index as unread if there's any unread global announcement
 326                 if (($forum_id == $forum_ids_moderator[0]) && ($root_data['forum_id'] == 0) && $ga_unread)
 327                 {
 328                         $forum_unread = true;
 329                 }
 330
 331                 $folder_image = $folder_alt = $l_subforums = '';
 332                 $subforums_list = array();
 333
 334                 // Generate list of subforums if we need to
 335                 if (isset($subforums[$forum_id]))
 336                 {
 337                         foreach ($subforums[$forum_id] as $subforum_id => $subforum_row)
 338                         {
 339                                 $subforum_unread = (isset($forum_tracking_info[$subforum_id]) && $subforum_row['orig_forum_last_post_time'] > $forum_tracking_info[$subforum_id]) ? true : false;
 340
 341                                 if (!$subforum_unread && !empty($subforum_row['children']))
 342                                 {
 343                                         foreach ($subforum_row['children'] as $child_id)
 344                                         {
 345                                                 if (isset($forum_tracking_info[$child_id]) && $subforums[$forum_id][$child_id]['orig_forum_last_post_time'] > $forum_tracking_info[$child_id])
 346                                                 {
 347                                                         // Once we found an unread child forum, we can drop out of this loop
 348                                                         $subforum_unread = true;
 349                                                         break;
 350                                                 }
 351                                         }
 352                                 }
 353
 354                                 if ($subforum_row['display'] && $subforum_row['name'])
 355                                 {
 356                                         $subforums_list[] = array(
 357                                                 'link'          => append_sid("{$phpbb_root_path}viewforum.$phpEx", 'f=' . $subforum_id),
 358                                                 'name'          => $subforum_row['name'],
 359                                                 'unread'        => $subforum_unread,
 360                                         );
 361                                 }
 362                                 else
 363                                 {
 364                                         unset($subforums[$forum_id][$subforum_id]);
 365                                 }
 366
 367                                 // If one subforum is unread the forum gets unread too...
 368                                 if ($subforum_unread)
 369                                 {
 370                                         $forum_unread = true;
 371                                 }
 372                         }
 373
 374                         $l_subforums = (sizeof($subforums[$forum_id]) == 1) ? $user->lang['SUBFORUM'] . ': ' : $user->lang['SUBFORUMS'] . ': ';
 375                         $folder_image = ($forum_unread) ? 'forum_unread_subforum' : 'forum_read_subforum';
 376                 }
 377                 else
 378                 {
 379                         switch ($row['forum_type'])
 380                         {
 381                                 case FORUM_POST:
 382                                         $folder_image = ($forum_unread) ? 'forum_unread' : 'forum_read';
 383                                 break;
 384
 385                                 case FORUM_LINK:
 386                                         $folder_image = 'forum_link';
 387                                 break;
 388                         }
 389                 }
 390
 391                 // Which folder should we display?
 392                 if ($row['forum_status'] == ITEM_LOCKED)
 393                 {
 394                         $folder_image = ($forum_unread) ? 'forum_unread_locked' : 'forum_read_locked';
 395                         $folder_alt = 'FORUM_LOCKED';
 396                 }
 397                 else
 398                 {
 399                         $folder_alt = ($forum_unread) ? 'NEW_POSTS' : 'NO_NEW_POSTS';
 400                 }
 401
 402                 // Create last post link information, if appropriate
 403                 if ($row['forum_last_post_id'])
 404                 {
 405                         $last_post_subject = $row['forum_last_post_subject'];
 406                         $last_post_time = $user->format_date($row['forum_last_post_time']);
 407                         $last_post_url = append_sid("{$phpbb_root_path}viewtopic.$phpEx", 'f=' . $row['forum_id_last_post'] . '&amp;p=' . $row['forum_last_post_id']) . '#p' . $row['forum_last_post_id'];
 408                 }
 409                 else
 410                 {
 411                         $last_post_subject = $last_post_time = $last_post_url = '';
 412                 }
 413
 414                 // Output moderator listing ... if applicable
 415                 $l_moderator = $moderators_list = '';
 416                 if ($display_moderators && !empty($forum_moderators[$forum_id]))
 417                 {
 418                         $l_moderator = (sizeof($forum_moderators[$forum_id]) == 1) ? $user->lang['MODERATOR'] : $user->lang['MODERATORS'];
 419                         $moderators_list = implode(', ', $forum_moderators[$forum_id]);
 420                 }
 421
 422                 $l_post_click_count = ($row['forum_type'] == FORUM_LINK) ? 'CLICKS' : 'POSTS';
 423                 $post_click_count = ($row['forum_type'] != FORUM_LINK || $row['forum_flags'] & FORUM_FLAG_LINK_TRACK) ? $row['forum_posts'] : '';
 424
 425                 $s_subforums_list = array();
 426                 foreach ($subforums_list as $subforum)
 427                 {
 428                         $s_subforums_list[] = '<a href="' . $subforum['link'] . '" class="subforum ' . (($subforum['unread']) ? 'unread' : 'read') . '" title="' . (($subforum['unread']) ? $user->lang['NEW_POSTS'] : $user->lang['NO_NEW_POSTS']) . '">' . $subforum['name'] . '</a>';
 429                 }
 430                 $s_subforums_list = (string) implode(', ', $s_subforums_list);
 431                 $catless = ($row['parent_id'] == $root_data['forum_id']) ? true : false;
 432
 433                 if ($row['forum_type'] != FORUM_LINK)
 434                 {
 435                         $u_viewforum = append_sid("{$phpbb_root_path}viewforum.$phpEx", 'f=' . $row['forum_id']);
 436                 }
 437                 else
 438                 {
 439                         // If the forum is a link and we count redirects we need to visit it
 440                         // If the forum is having a password or no read access we do not expose the link, but instead handle it in viewforum
 441                         if (($row['forum_flags'] & FORUM_FLAG_LINK_TRACK) || $row['forum_password'] || !$auth->acl_get('f_read', $forum_id))
 442                         {
 443                                 $u_viewforum = append_sid("{$phpbb_root_path}viewforum.$phpEx", 'f=' . $row['forum_id']);
 444                         }
 445                         else
 446                         {
 447                                 $u_viewforum = $row['forum_link'];
 448                         }
 449                 }
 450
 451                 $template->assign_block_vars('forumrow', array(
 452                         'S_IS_CAT'                      => false,
 453                         'S_NO_CAT'                      => $catless && !$last_catless,
 454                         'S_IS_LINK'                     => ($row['forum_type'] == FORUM_LINK) ? true : false,
 455                         'S_UNREAD_FORUM'        => $forum_unread,
 456                         'S_LOCKED_FORUM'        => ($row['forum_status'] == ITEM_LOCKED) ? true : false,
 457                         'S_LIST_SUBFORUMS'      => ($row['display_subforum_list']) ? true : false,
 458                         'S_SUBFORUMS'           => (sizeof($subforums_list)) ? true : false,
 459                         'S_FEED_ENABLED'        => ($config['feed_forum'] && !phpbb_optionget(FORUM_OPTION_FEED_EXCLUDE, $row['forum_options'])) ? true : false,
 460
 461                         'FORUM_ID'                              => $row['forum_id'],
 462                         'FORUM_NAME'                    => $row['forum_name'],
 463                         'FORUM_DESC'                    => generate_text_for_display($row['forum_desc'], $row['forum_desc_uid'], $row['forum_desc_bitfield'], $row['forum_desc_options']),
 464                         'TOPICS'                                => $row['forum_topics'],
 465                         $l_post_click_count             => $post_click_count,
 466                         'FORUM_FOLDER_IMG'              => $user->img($folder_image, $folder_alt),
 467                         'FORUM_FOLDER_IMG_SRC'  => $user->img($folder_image, $folder_alt, false, '', 'src'),
 468                         'FORUM_FOLDER_IMG_ALT'  => isset($user->lang[$folder_alt]) ? $user->lang[$folder_alt] : '',
 469                         'FORUM_IMAGE'                   => ($row['forum_image']) ? '<img src="' . $phpbb_root_path . $row['forum_image'] . '" alt="' . $user->lang[$folder_alt] . '" />' : '',
 470                         'FORUM_IMAGE_SRC'               => ($row['forum_image']) ? $phpbb_root_path . $row['forum_image'] : '',
 471                         'LAST_POST_SUBJECT'             => censor_text($last_post_subject),
 472                         'LAST_POST_TIME'                => $last_post_time,
 473                         'LAST_POSTER'                   => get_username_string('username', $row['forum_last_poster_id'], $row['forum_last_poster_name'], $row['forum_last_poster_colour']),
 474                         'LAST_POSTER_COLOUR'    => get_username_string('colour', $row['forum_last_poster_id'], $row['forum_last_poster_name'], $row['forum_last_poster_colour']),
 475                         'LAST_POSTER_FULL'              => get_username_string('full', $row['forum_last_poster_id'], $row['forum_last_poster_name'], $row['forum_last_poster_colour']),
 476                         'MODERATORS'                    => $moderators_list,
 477                         'SUBFORUMS'                             => $s_subforums_list,
 478
 479                         'L_SUBFORUM_STR'                => $l_subforums,
 480                         'L_FORUM_FOLDER_ALT'    => $folder_alt,
 481                         'L_MODERATOR_STR'               => $l_moderator,
 482
 483                         'U_UNAPPROVED_TOPICS'   => ($row['forum_id_unapproved_topics']) ? append_sid("{$phpbb_root_path}mcp.$phpEx", 'i=queue&amp;mode=unapproved_topics&amp;f=' . $row['forum_id_unapproved_topics']) : '',
 484                         'U_VIEWFORUM'           => $u_viewforum,
 485                         'U_LAST_POSTER'         => get_username_string('profile', $row['forum_last_poster_id'], $row['forum_last_poster_name'], $row['forum_last_poster_colour']),
 486                         'U_LAST_POST'           => $last_post_url)
 487                 );
 488
 489                 // Assign subforums loop for style authors
 490                 foreach ($subforums_list as $subforum)
 491                 {
 492                         $template->assign_block_vars('forumrow.subforum', array(
 493                                 'U_SUBFORUM'    => $subforum['link'],
 494                                 'SUBFORUM_NAME' => $subforum['name'],
 495                                 'S_UNREAD'              => $subforum['unread'])
 496                         );
 497                 }
 498
 499                 $last_catless = $catless;
 500         }
 501
 502         $template->assign_vars(array(
 503                 'U_MARK_FORUMS'         => ($user->data['is_registered'] || $config['load_anon_lastread']) ? append_sid("{$phpbb_root_path}viewforum.$phpEx", 'hash=' . generate_link_hash('global') . '&amp;f=' . $root_data['forum_id'] . '&amp;mark=forums') : '',
 504                 'S_HAS_SUBFORUM'        => ($visible_forums) ? true : false,
 505                 'L_SUBFORUM'            => ($visible_forums == 1) ? $user->lang['SUBFORUM'] : $user->lang['SUBFORUMS'],
 506                 'LAST_POST_IMG'         => $user->img('icon_topic_latest', 'VIEW_LATEST_POST'),
 507                 'UNAPPROVED_IMG'        => $user->img('icon_topic_unapproved', 'TOPICS_UNAPPROVED'),
 508         ));
 509
 510         if ($return_moderators)
 511         {
 512                 return array($active_forum_ary, $forum_moderators);
 513         }
 514
 515         return array($active_forum_ary, array());
 516 }
 517
 518 /**
 519 * Create forum rules for given forum
 520 */
 521 function generate_forum_rules(&$forum_data)
 522 {
 523         if (!$forum_data['forum_rules'] && !$forum_data['forum_rules_link'])
 524         {
 525                 return;
 526         }
 527
 528         global $template, $phpbb_root_path, $phpEx;
 529
 530         if ($forum_data['forum_rules'])
 531         {
 532                 $forum_data['forum_rules'] = generate_text_for_display($forum_data['forum_rules'], $forum_data['forum_rules_uid'], $forum_data['forum_rules_bitfield'], $forum_data['forum_rules_options']);
 533         }
 534
 535         $template->assign_vars(array(
 536                 'S_FORUM_RULES' => true,
 537                 'U_FORUM_RULES' => $forum_data['forum_rules_link'],
 538                 'FORUM_RULES'   => $forum_data['forum_rules'])
 539         );
 540 }
 541
 542 /**
 543 * Create forum navigation links for given forum, create parent
 544 * list if currently null, assign basic forum info to template
 545 */
 546 function generate_forum_nav(&$forum_data)
 547 {
 548         global $db, $user, $template, $auth, $config;
 549         global $phpEx, $phpbb_root_path;
 550
 551         if (!$auth->acl_get('f_list', $forum_data['forum_id']))
 552         {
 553                 return;
 554         }
 555
 556         // Get forum parents
 557         $forum_parents = get_forum_parents($forum_data);
 558
 559         // Build navigation links
 560         if (!empty($forum_parents))
 561         {
 562                 foreach ($forum_parents as $parent_forum_id => $parent_data)
 563                 {
 564                         list($parent_name, $parent_type) = array_values($parent_data);
 565
 566                         // Skip this parent if the user does not have the permission to view it
 567                         if (!$auth->acl_get('f_list', $parent_forum_id))
 568                         {
 569                                 continue;
 570                         }
 571
 572                         $template->assign_block_vars('navlinks', array(
 573                                 'S_IS_CAT'              => ($parent_type == FORUM_CAT) ? true : false,
 574                                 'S_IS_LINK'             => ($parent_type == FORUM_LINK) ? true : false,
 575                                 'S_IS_POST'             => ($parent_type == FORUM_POST) ? true : false,
 576                                 'FORUM_NAME'    => $parent_name,
 577                                 'FORUM_ID'              => $parent_forum_id,
 578                                 'U_VIEW_FORUM'  => append_sid("{$phpbb_root_path}viewforum.$phpEx", 'f=' . $parent_forum_id))
 579                         );
 580                 }
 581         }
 582
 583         $template->assign_block_vars('navlinks', array(
 584                 'S_IS_CAT'              => ($forum_data['forum_type'] == FORUM_CAT) ? true : false,
 585                 'S_IS_LINK'             => ($forum_data['forum_type'] == FORUM_LINK) ? true : false,
 586                 'S_IS_POST'             => ($forum_data['forum_type'] == FORUM_POST) ? true : false,
 587                 'FORUM_NAME'    => $forum_data['forum_name'],
 588                 'FORUM_ID'              => $forum_data['forum_id'],
 589                 'U_VIEW_FORUM'  => append_sid("{$phpbb_root_path}viewforum.$phpEx", 'f=' . $forum_data['forum_id']))
 590         );
 591
 592         $template->assign_vars(array(
 593                 'FORUM_ID'              => $forum_data['forum_id'],
 594                 'FORUM_NAME'    => $forum_data['forum_name'],
 595                 'FORUM_DESC'    => generate_text_for_display($forum_data['forum_desc'], $forum_data['forum_desc_uid'], $forum_data['forum_desc_bitfield'], $forum_data['forum_desc_options']),
 596
 597                 'S_ENABLE_FEEDS_FORUM'  => ($config['feed_forum'] && !phpbb_optionget(FORUM_OPTION_FEED_EXCLUDE, $forum_data['forum_options'])) ? true : false,
 598         ));
 599
 600         return;
 601 }
 602
 603 /**
 604 * Returns forum parents as an array. Get them from forum_data if available, or update the database otherwise
 605 */
 606 function get_forum_parents(&$forum_data)
 607 {
 608         global $db;
 609
 610         $forum_parents = array();
 611
 612         if ($forum_data['parent_id'] > 0)
 613         {
 614                 if ($forum_data['forum_parents'] == '')
 615                 {
 616                         $sql = 'SELECT forum_id, forum_name, forum_type
 617                                 FROM ' . FORUMS_TABLE . '
 618                                 WHERE left_id < ' . $forum_data['left_id'] . '
 619                                         AND right_id > ' . $forum_data['right_id'] . '
 620                                 ORDER BY left_id ASC';
 621                         $result = $db->sql_query($sql);
 622
 623                         while ($row = $db->sql_fetchrow($result))
 624                         {
 625                                 $forum_parents[$row['forum_id']] = array($row['forum_name'], (int) $row['forum_type']);
 626                         }
 627                         $db->sql_freeresult($result);
 628
 629                         $forum_data['forum_parents'] = serialize($forum_parents);
 630
 631                         $sql = 'UPDATE ' . FORUMS_TABLE . "
 632                                 SET forum_parents = '" . $db->sql_escape($forum_data['forum_parents']) . "'
 633                                 WHERE parent_id = " . $forum_data['parent_id'];
 634                         $db->sql_query($sql);
 635                 }
 636                 else
 637                 {
 638                         $forum_parents = unserialize($forum_data['forum_parents']);
 639                 }
 640         }
 641
 642         return $forum_parents;
 643 }
 644
 645 /**
 646 * Generate topic pagination
 647 */
 648 function topic_generate_pagination($replies, $url)
 649 {
 650         global $config, $user;
 651
 652         // Make sure $per_page is a valid value
 653         $per_page = ($config['posts_per_page'] <= 0) ? 1 : $config['posts_per_page'];
 654
 655         if (($replies + 1) > $per_page)
 656         {
 657                 $total_pages = ceil(($replies + 1) / $per_page);
 658                 $pagination = '';
 659
 660                 $times = 1;
 661                 for ($j = 0; $j < $replies + 1; $j += $per_page)
 662                 {
 663                         $pagination .= '<a href="' . $url . '&amp;start=' . $j . '">' . $times . '</a>';
 664                         if ($times == 1 && $total_pages > 5)
 665                         {
 666                                 $pagination .= ' ... ';
 667
 668                                 // Display the last three pages
 669                                 $times = $total_pages - 3;
 670                                 $j += ($total_pages - 4) * $per_page;
 671                         }
 672                         else if ($times < $total_pages)
 673                         {
 674                                 $pagination .= '<span class="page-sep">' . $user->lang['COMMA_SEPARATOR'] . '</span>';
 675                         }
 676                         $times++;
 677                 }
 678         }
 679         else
 680         {
 681                 $pagination = '';
 682         }
 683
 684         return $pagination;
 685 }
 686
 687 /**
 688 * Obtain list of moderators of each forum
 689 */
 690 function get_moderators(&$forum_moderators, $forum_id = false)
 691 {
 692         global $config, $template, $db, $phpbb_root_path, $phpEx, $user, $auth;
 693
 694         $forum_id_ary = array();
 695
 696         if ($forum_id !== false)
 697         {
 698                 if (!is_array($forum_id))
 699                 {
 700                         $forum_id = array($forum_id);
 701                 }
 702
 703                 // Exchange key/value pair to be able to faster check for the forum id existence
 704                 $forum_id_ary = array_flip($forum_id);
 705         }
 706
 707         $sql_array = array(
 708                 'SELECT'        => 'm.*, u.user_colour, g.group_colour, g.group_type',
 709
 710                 'FROM'          => array(
 711                         MODERATOR_CACHE_TABLE   => 'm',
 712                 ),
 713
 714                 'LEFT_JOIN'     => array(
 715                         array(
 716                                 'FROM'  => array(USERS_TABLE => 'u'),
 717                                 'ON'    => 'm.user_id = u.user_id',
 718                         ),
 719                         array(
 720                                 'FROM'  => array(GROUPS_TABLE => 'g'),
 721                                 'ON'    => 'm.group_id = g.group_id',
 722                         ),
 723                 ),
 724
 725                 'WHERE'         => 'm.display_on_index = 1',
 726         );
 727
 728         // We query every forum here because for caching we should not have any parameter.
 729         $sql = $db->sql_build_query('SELECT', $sql_array);
 730         $result = $db->sql_query($sql, 3600);
 731
 732         while ($row = $db->sql_fetchrow($result))
 733         {
 734                 $f_id = (int) $row['forum_id'];
 735
 736                 if (!isset($forum_id_ary[$f_id]))
 737                 {
 738                         continue;
 739                 }
 740
 741                 if (!empty($row['user_id']))
 742                 {
 743                         $forum_moderators[$f_id][] = get_username_string('full', $row['user_id'], $row['username'], $row['user_colour']);
 744                 }
 745                 else
 746                 {
 747                         $group_name = (($row['group_type'] == GROUP_SPECIAL) ? $user->lang['G_' . $row['group_name']] : $row['group_name']);
 748
 749                         if ($user->data['user_id'] != ANONYMOUS && !$auth->acl_get('u_viewprofile'))
 750                         {
 751                                 $forum_moderators[$f_id][] = '<span' . (($row['group_colour']) ? ' style="color:#' . $row['group_colour'] . ';"' : '') . '>' . $group_name . '</span>';
 752                         }
 753                         else
 754                         {
 755                                 $forum_moderators[$f_id][] = '<a' . (($row['group_colour']) ? ' style="color:#' . $row['group_colour'] . ';"' : '') . ' href="' . append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=group&amp;g=' . $row['group_id']) . '">' . $group_name . '</a>';
 756                         }
 757                 }
 758         }
 759         $db->sql_freeresult($result);
 760
 761         return;
 762 }
 763
 764 /**
 765 * User authorisation levels output
 766 *
 767 * @param        string  $mode                   Can be forum or topic. Not in use at the moment.
 768 * @param        int             $forum_id               The current forum the user is in.
 769 * @param        int             $forum_status   The forums status bit.
 770 */
 771 function gen_forum_auth_level($mode, $forum_id, $forum_status)
 772 {
 773         global $template, $auth, $user, $config;
 774
 775         $locked = ($forum_status == ITEM_LOCKED && !$auth->acl_get('m_edit', $forum_id)) ? true : false;
 776
 777         $rules = array(
 778                 ($auth->acl_get('f_post', $forum_id) && !$locked) ? $user->lang['RULES_POST_CAN'] : $user->lang['RULES_POST_CANNOT'],
 779                 ($auth->acl_get('f_reply', $forum_id) && !$locked) ? $user->lang['RULES_REPLY_CAN'] : $user->lang['RULES_REPLY_CANNOT'],
 780                 ($user->data['is_registered'] && $auth->acl_gets('f_edit', 'm_edit', $forum_id) && !$locked) ? $user->lang['RULES_EDIT_CAN'] : $user->lang['RULES_EDIT_CANNOT'],
 781                 ($user->data['is_registered'] && $auth->acl_gets('f_delete', 'm_delete', $forum_id) && !$locked) ? $user->lang['RULES_DELETE_CAN'] : $user->lang['RULES_DELETE_CANNOT'],
 782         );
 783
 784         if ($config['allow_attachments'])
 785         {
 786                 $rules[] = ($auth->acl_get('f_attach', $forum_id) && $auth->acl_get('u_attach') && !$locked) ? $user->lang['RULES_ATTACH_CAN'] : $user->lang['RULES_ATTACH_CANNOT'];
 787         }
 788
 789         foreach ($rules as $rule)
 790         {
 791                 $template->assign_block_vars('rules', array('RULE' => $rule));
 792         }
 793
 794         return;
 795 }
 796
 797 /**
 798 * Generate topic status
 799 */
 800 function topic_status(&$topic_row, $replies, $unread_topic, &$folder_img, &$folder_alt, &$topic_type)
 801 {
 802         global $user, $config;
 803
 804         $folder = $folder_new = '';
 805
 806         if ($topic_row['topic_status'] == ITEM_MOVED)
 807         {
 808                 $topic_type = $user->lang['VIEW_TOPIC_MOVED'];
 809                 $folder_img = 'topic_moved';
 810                 $folder_alt = 'TOPIC_MOVED';
 811         }
 812         else
 813         {
 814                 switch ($topic_row['topic_type'])
 815                 {
 816                         case POST_GLOBAL:
 817                                 $topic_type = $user->lang['VIEW_TOPIC_GLOBAL'];
 818                                 $folder = 'global_read';
 819                                 $folder_new = 'global_unread';
 820                         break;
 821
 822                         case POST_ANNOUNCE:
 823                                 $topic_type = $user->lang['VIEW_TOPIC_ANNOUNCEMENT'];
 824                                 $folder = 'announce_read';
 825                                 $folder_new = 'announce_unread';
 826                         break;
 827
 828                         case POST_STICKY:
 829                                 $topic_type = $user->lang['VIEW_TOPIC_STICKY'];
 830                                 $folder = 'sticky_read';
 831                                 $folder_new = 'sticky_unread';
 832                         break;
 833
 834                         default:
 835                                 $topic_type = '';
 836                                 $folder = 'topic_read';
 837                                 $folder_new = 'topic_unread';
 838
 839                                 // Hot topic threshold is for posts in a topic, which is replies + the first post. ;)
 840                                 if ($config['hot_threshold'] && ($replies + 1) >= $config['hot_threshold'] && $topic_row['topic_status'] != ITEM_LOCKED)
 841                                 {
 842                                         $folder .= '_hot';
 843                                         $folder_new .= '_hot';
 844                                 }
 845                         break;
 846                 }
 847
 848                 if ($topic_row['topic_status'] == ITEM_LOCKED)
 849                 {
 850                         $topic_type = $user->lang['VIEW_TOPIC_LOCKED'];
 851                         $folder .= '_locked';
 852                         $folder_new .= '_locked';
 853                 }
 854
 855
 856                 $folder_img = ($unread_topic) ? $folder_new : $folder;
 857                 $folder_alt = ($unread_topic) ? 'NEW_POSTS' : (($topic_row['topic_status'] == ITEM_LOCKED) ? 'TOPIC_LOCKED' : 'NO_NEW_POSTS');
 858
 859                 // Posted image?
 860                 if (!empty($topic_row['topic_posted']) && $topic_row['topic_posted'])
 861                 {
 862                         $folder_img .= '_mine';
 863                 }
 864         }
 865
 866         if ($topic_row['poll_start'] && $topic_row['topic_status'] != ITEM_MOVED)
 867         {
 868                 $topic_type = $user->lang['VIEW_TOPIC_POLL'];
 869         }
 870 }
 871
 872 /**
 873 * Assign/Build custom bbcodes for display in screens supporting using of bbcodes
 874 * The custom bbcodes buttons will be placed within the template block 'custom_codes'
 875 */
 876 function display_custom_bbcodes()
 877 {
 878         global $db, $template, $user;
 879
 880         // Start counting from 22 for the bbcode ids (every bbcode takes two ids - opening/closing)
 881         $num_predefined_bbcodes = 22;
 882
 883         $sql = 'SELECT bbcode_id, bbcode_tag, bbcode_helpline
 884                 FROM ' . BBCODES_TABLE . '
 885                 WHERE display_on_posting = 1
 886                 ORDER BY bbcode_tag';
 887         $result = $db->sql_query($sql);
 888
 889         $i = 0;
 890         while ($row = $db->sql_fetchrow($result))
 891         {
 892                 // If the helpline is defined within the language file, we will use the localised version, else just use the database entry...
 893                 if (isset($user->lang[strtoupper($row['bbcode_helpline'])]))
 894                 {
 895                         $row['bbcode_helpline'] = $user->lang[strtoupper($row['bbcode_helpline'])];
 896                 }
 897
 898                 $template->assign_block_vars('custom_tags', array(
 899                         'BBCODE_NAME'           => "'[{$row['bbcode_tag']}]', '[/" . str_replace('=', '', $row['bbcode_tag']) . "]'",
 900                         'BBCODE_ID'                     => $num_predefined_bbcodes + ($i * 2),
 901                         'BBCODE_TAG'            => $row['bbcode_tag'],
 902                         'BBCODE_HELPLINE'       => $row['bbcode_helpline'],
 903                         'A_BBCODE_HELPLINE'     => str_replace(array('&amp;', '&quot;', "'", '&lt;', '&gt;'), array('&', '"', "\'", '<', '>'), $row['bbcode_helpline']),
 904                 ));
 905
 906                 $i++;
 907         }
 908         $db->sql_freeresult($result);
 909 }
 910
 911 /**
 912 * Display reasons
 913 */
 914 function display_reasons($reason_id = 0)
 915 {
 916         global $db, $user, $template;
 917
 918         $sql = 'SELECT *
 919                 FROM ' . REPORTS_REASONS_TABLE . '
 920                 ORDER BY reason_order ASC';
 921         $result = $db->sql_query($sql);
 922
 923         while ($row = $db->sql_fetchrow($result))
 924         {
 925                 // If the reason is defined within the language file, we will use the localized version, else just use the database entry...
 926                 if (isset($user->lang['report_reasons']['TITLE'][strtoupper($row['reason_title'])]) && isset($user->lang['report_reasons']['DESCRIPTION'][strtoupper($row['reason_title'])]))
 927                 {
 928                         $row['reason_description'] = $user->lang['report_reasons']['DESCRIPTION'][strtoupper($row['reason_title'])];
 929                         $row['reason_title'] = $user->lang['report_reasons']['TITLE'][strtoupper($row['reason_title'])];
 930                 }
 931
 932                 $template->assign_block_vars('reason', array(
 933                         'ID'                    => $row['reason_id'],
 934                         'TITLE'                 => $row['reason_title'],
 935                         'DESCRIPTION'   => $row['reason_description'],
 936                         'S_SELECTED'    => ($row['reason_id'] == $reason_id) ? true : false)
 937                 );
 938         }
 939         $db->sql_freeresult($result);
 940 }
 941
 942 /**
 943 * Display user activity (action forum/topic)
 944 */
 945 function display_user_activity(&$userdata)
 946 {
 947         global $auth, $template, $db, $user;
 948         global $phpbb_root_path, $phpEx;
 949
 950         // Do not display user activity for users having more than 5000 posts...
 951         if ($userdata['user_posts'] > 5000)
 952         {
 953                 return;
 954         }
 955
 956         $forum_ary = array();
 957
 958         // Do not include those forums the user is not having read access to...
 959         $forum_read_ary = $auth->acl_getf('!f_read');
 960
 961         foreach ($forum_read_ary as $forum_id => $not_allowed)
 962         {
 963                 if ($not_allowed['f_read'])
 964                 {
 965                         $forum_ary[] = (int) $forum_id;
 966                 }
 967         }
 968
 969         $forum_ary = array_unique($forum_ary);
 970         $forum_sql = (sizeof($forum_ary)) ? 'AND ' . $db->sql_in_set('forum_id', $forum_ary, true) : '';
 971
 972         // Obtain active forum
 973         $sql = 'SELECT forum_id, COUNT(post_id) AS num_posts
 974                 FROM ' . POSTS_TABLE . '
 975                 WHERE poster_id = ' . $userdata['user_id'] . "
 976                         AND post_postcount = 1
 977                         $forum_sql
 978                 GROUP BY forum_id
 979                 ORDER BY num_posts DESC";
 980         $result = $db->sql_query_limit($sql, 1);
 981         $active_f_row = $db->sql_fetchrow($result);
 982         $db->sql_freeresult($result);
 983
 984         if (!empty($active_f_row))
 985         {
 986                 $sql = 'SELECT forum_name
 987                         FROM ' . FORUMS_TABLE . '
 988                         WHERE forum_id = ' . $active_f_row['forum_id'];
 989                 $result = $db->sql_query($sql, 3600);
 990                 $active_f_row['forum_name'] = (string) $db->sql_fetchfield('forum_name');
 991                 $db->sql_freeresult($result);
 992         }
 993
 994         // Obtain active topic
 995         $sql = 'SELECT topic_id, COUNT(post_id) AS num_posts
 996                 FROM ' . POSTS_TABLE . '
 997                 WHERE poster_id = ' . $userdata['user_id'] . "
 998                         AND post_postcount = 1
 999                         $forum_sql
1000                 GROUP BY topic_id
1001                 ORDER BY num_posts DESC";
1002         $result = $db->sql_query_limit($sql, 1);
1003         $active_t_row = $db->sql_fetchrow($result);
1004         $db->sql_freeresult($result);
1005
1006         if (!empty($active_t_row))
1007         {
1008                 $sql = 'SELECT topic_title
1009                         FROM ' . TOPICS_TABLE . '
1010                         WHERE topic_id = ' . $active_t_row['topic_id'];
1011                 $result = $db->sql_query($sql);
1012                 $active_t_row['topic_title'] = (string) $db->sql_fetchfield('topic_title');
1013                 $db->sql_freeresult($result);
1014         }
1015
1016         $userdata['active_t_row'] = $active_t_row;
1017         $userdata['active_f_row'] = $active_f_row;
1018
1019         $active_f_name = $active_f_id = $active_f_count = $active_f_pct = '';
1020         if (!empty($active_f_row['num_posts']))
1021         {
1022                 $active_f_name = $active_f_row['forum_name'];
1023                 $active_f_id = $active_f_row['forum_id'];
1024                 $active_f_count = $active_f_row['num_posts'];
1025                 $active_f_pct = ($userdata['user_posts']) ? ($active_f_count / $userdata['user_posts']) * 100 : 0;
1026         }
1027
1028         $active_t_name = $active_t_id = $active_t_count = $active_t_pct = '';
1029         if (!empty($active_t_row['num_posts']))
1030         {
1031                 $active_t_name = $active_t_row['topic_title'];
1032                 $active_t_id = $active_t_row['topic_id'];
1033                 $active_t_count = $active_t_row['num_posts'];
1034                 $active_t_pct = ($userdata['user_posts']) ? ($active_t_count / $userdata['user_posts']) * 100 : 0;
1035         }
1036
1037         $l_active_pct = ($userdata['user_id'] != ANONYMOUS && $userdata['user_id'] == $user->data['user_id']) ? $user->lang['POST_PCT_ACTIVE_OWN'] : $user->lang['POST_PCT_ACTIVE'];
1038
1039         $template->assign_vars(array(
1040                 'ACTIVE_FORUM'                  => $active_f_name,
1041                 'ACTIVE_FORUM_POSTS'    => ($active_f_count == 1) ? sprintf($user->lang['USER_POST'], 1) : sprintf($user->lang['USER_POSTS'], $active_f_count),
1042                 'ACTIVE_FORUM_PCT'              => sprintf($l_active_pct, $active_f_pct),
1043                 'ACTIVE_TOPIC'                  => censor_text($active_t_name),
1044                 'ACTIVE_TOPIC_POSTS'    => ($active_t_count == 1) ? sprintf($user->lang['USER_POST'], 1) : sprintf($user->lang['USER_POSTS'], $active_t_count),
1045                 'ACTIVE_TOPIC_PCT'              => sprintf($l_active_pct, $active_t_pct),
1046                 'U_ACTIVE_FORUM'                => append_sid("{$phpbb_root_path}viewforum.$phpEx", 'f=' . $active_f_id),
1047                 'U_ACTIVE_TOPIC'                => append_sid("{$phpbb_root_path}viewtopic.$phpEx", 't=' . $active_t_id),
1048                 'S_SHOW_ACTIVITY'               => true)
1049         );
1050 }
1051
1052 /**
1053 * Topic and forum watching common code
1054 */
1055 function watch_topic_forum($mode, &$s_watching, $user_id, $forum_id, $topic_id, $notify_status = 'unset', $start = 0)
1056 {
1057         global $template, $db, $user, $phpEx, $start, $phpbb_root_path;
1058
1059         $table_sql = ($mode == 'forum') ? FORUMS_WATCH_TABLE : TOPICS_WATCH_TABLE;
1060         $where_sql = ($mode == 'forum') ? 'forum_id' : 'topic_id';
1061         $match_id = ($mode == 'forum') ? $forum_id : $topic_id;
1062         $u_url = "uid={$user->data['user_id']}";
1063         $u_url .= ($mode == 'forum') ? '&amp;f' : '&amp;f=' . $forum_id . '&amp;t';
1064
1065         // Is user watching this thread?
1066         if ($user_id != ANONYMOUS)
1067         {
1068                 $can_watch = true;
1069
1070                 if ($notify_status == 'unset')
1071                 {
1072                         $sql = "SELECT notify_status
1073                                 FROM $table_sql
1074                                 WHERE $where_sql = $match_id
1075                                         AND user_id = $user_id";
1076                         $result = $db->sql_query($sql);
1077
1078                         $notify_status = ($row = $db->sql_fetchrow($result)) ? $row['notify_status'] : NULL;
1079                         $db->sql_freeresult($result);
1080                 }
1081
1082                 if (!is_null($notify_status) && $notify_status !== '')
1083                 {
1084
1085                         if (isset($_GET['unwatch']))
1086                         {
1087                                 $uid = request_var('uid', 0);
1088                                 if ($uid != $user_id)
1089                                 {
1090                                         $redirect_url = append_sid("{$phpbb_root_path}view$mode.$phpEx", "$u_url=$match_id&amp;start=$start");
1091                                         $message = $user->lang['ERR_UNWATCHING'] . '<br /><br />' . sprintf($user->lang['RETURN_' . strtoupper($mode)], '<a href="' . $redirect_url . '">', '</a>');
1092                                         trigger_error($message);
1093                                 }
1094                                 if ($_GET['unwatch'] == $mode)
1095                                 {
1096                                         $is_watching = 0;
1097
1098                                         $sql = 'DELETE FROM ' . $table_sql . "
1099                                                 WHERE $where_sql = $match_id
1100                                                         AND user_id = $user_id";
1101                                         $db->sql_query($sql);
1102                                 }
1103
1104                                 $redirect_url = append_sid("{$phpbb_root_path}view$mode.$phpEx", "$u_url=$match_id&amp;start=$start");
1105
1106                                 meta_refresh(3, $redirect_url);
1107
1108                                 $message = $user->lang['NOT_WATCHING_' . strtoupper($mode)] . '<br /><br />' . sprintf($user->lang['RETURN_' . strtoupper($mode)], '<a href="' . $redirect_url . '">', '</a>');
1109                                 trigger_error($message);
1110                         }
1111                         else
1112                         {
1113                                 $is_watching = true;
1114
1115                                 if ($notify_status)
1116                                 {
1117                                         $sql = 'UPDATE ' . $table_sql . "
1118                                                 SET notify_status = 0
1119                                                 WHERE $where_sql = $match_id
1120                                                         AND user_id = $user_id";
1121                                         $db->sql_query($sql);
1122                                 }
1123                         }
1124                 }
1125                 else
1126                 {
1127                         if (isset($_GET['watch']))
1128                         {
1129                                 $token = request_var('hash', '');
1130                                 $redirect_url = append_sid("{$phpbb_root_path}view$mode.$phpEx", "$u_url=$match_id&amp;start=$start");
1131
1132                                 if ($_GET['watch'] == $mode && check_link_hash($token, "{$mode}_$match_id"))
1133                                 {
1134                                         $is_watching = true;
1135
1136                                         $sql = 'INSERT INTO ' . $table_sql . " (user_id, $where_sql, notify_status)
1137                                                 VALUES ($user_id, $match_id, 0)";
1138                                         $db->sql_query($sql);
1139                                         $message = $user->lang['ARE_WATCHING_' . strtoupper($mode)] . '<br /><br />' . sprintf($user->lang['RETURN_' . strtoupper($mode)], '<a href="' . $redirect_url . '">', '</a>');
1140                                 }
1141                                 else
1142                                 {
1143                                         $message = $user->lang['ERR_WATCHING'] . '<br /><br />' . sprintf($user->lang['RETURN_' . strtoupper($mode)], '<a href="' . $redirect_url . '">', '</a>');
1144                                 }
1145
1146                                 meta_refresh(3, $redirect_url);
1147
1148                                 trigger_error($message);
1149                         }
1150                         else
1151                         {
1152                                 $is_watching = 0;
1153                         }
1154                 }
1155         }
1156         else
1157         {
1158                 if (isset($_GET['unwatch']) && $_GET['unwatch'] == $mode)
1159                 {
1160                         login_box();
1161                 }
1162                 else
1163                 {
1164                         $can_watch = 0;
1165                         $is_watching = 0;
1166                 }
1167         }
1168
1169         if ($can_watch)
1170         {
1171                 $s_watching['link'] = append_sid("{$phpbb_root_path}view$mode.$phpEx", "$u_url=$match_id&amp;" . (($is_watching) ? 'unwatch' : 'watch') . "=$mode&amp;start=$start&amp;hash=" . generate_link_hash("{$mode}_$match_id"));
1172                 $s_watching['title'] = $user->lang[(($is_watching) ? 'STOP' : 'START') . '_WATCHING_' . strtoupper($mode)];
1173                 $s_watching['is_watching'] = $is_watching;
1174         }
1175
1176         return;
1177 }
1178
1179 /**
1180 * Get user rank title and image
1181 *
1182 * @param int $user_rank the current stored users rank id
1183 * @param int $user_posts the users number of posts
1184 * @param string &$rank_title the rank title will be stored here after execution
1185 * @param string &$rank_img the rank image as full img tag is stored here after execution
1186 * @param string &$rank_img_src the rank image source is stored here after execution
1187 *
1188 * Note: since we do not want to break backwards-compatibility, this function will only properly assign ranks to guests if you call it for them with user_posts == false
1189 */
1190 function get_user_rank($user_rank, $user_posts, &$rank_title, &$rank_img, &$rank_img_src)
1191 {
1192         global $ranks, $config, $phpbb_root_path;
1193
1194         if (empty($ranks))
1195         {
1196                 global $cache;
1197                 $ranks = $cache->obtain_ranks();
1198         }
1199
1200         if (!empty($user_rank))
1201         {
1202                 $rank_title = (isset($ranks['special'][$user_rank]['rank_title'])) ? $ranks['special'][$user_rank]['rank_title'] : '';
1203                 $rank_img = (!empty($ranks['special'][$user_rank]['rank_image'])) ? '<img src="' . $phpbb_root_path . $config['ranks_path'] . '/' . $ranks['special'][$user_rank]['rank_image'] . '" alt="' . $ranks['special'][$user_rank]['rank_title'] . '" title="' . $ranks['special'][$user_rank]['rank_title'] . '" />' : '';
1204                 $rank_img_src = (!empty($ranks['special'][$user_rank]['rank_image'])) ? $phpbb_root_path . $config['ranks_path'] . '/' . $ranks['special'][$user_rank]['rank_image'] : '';
1205         }
1206         else if ($user_posts !== false)
1207         {
1208                 if (!empty($ranks['normal']))
1209                 {
1210                         foreach ($ranks['normal'] as $rank)
1211                         {
1212                                 if ($user_posts >= $rank['rank_min'])
1213                                 {
1214                                         $rank_title = $rank['rank_title'];
1215                                         $rank_img = (!empty($rank['rank_image'])) ? '<img src="' . $phpbb_root_path . $config['ranks_path'] . '/' . $rank['rank_image'] . '" alt="' . $rank['rank_title'] . '" title="' . $rank['rank_title'] . '" />' : '';
1216                                         $rank_img_src = (!empty($rank['rank_image'])) ? $phpbb_root_path . $config['ranks_path'] . '/' . $rank['rank_image'] : '';
1217                                         break;
1218                                 }
1219                         }
1220                 }
1221         }
1222 }
1223
1224 /**
1225 * Get user avatar
1226 *
1227 * @param string $avatar Users assigned avatar name
1228 * @param int $avatar_type Type of avatar
1229 * @param string $avatar_width Width of users avatar
1230 * @param string $avatar_height Height of users avatar
1231 * @param string $alt Optional language string for alt tag within image, can be a language key or text
1232 * @param bool $ignore_config Ignores the config-setting, to be still able to view the avatar in the UCP
1233 *
1234 * @return string Avatar image
1235 */
1236 function get_user_avatar($avatar, $avatar_type, $avatar_width, $avatar_height, $alt = 'USER_AVATAR', $ignore_config = false)
1237 {
1238         global $user, $config, $phpbb_root_path, $phpEx;
1239
1240         if (empty($avatar) || !$avatar_type || (!$config['allow_avatar'] && !$ignore_config))
1241         {
1242                 return '';
1243         }
1244
1245         $avatar_img = '';
1246
1247         switch ($avatar_type)
1248         {
1249                 case AVATAR_UPLOAD:
1250                         if (!$config['allow_avatar_upload'] && !$ignore_config)
1251                         {
1252                                 return '';
1253                         }
1254                         $avatar_img = $phpbb_root_path . "download/file.$phpEx?avatar=";
1255                 break;
1256
1257                 case AVATAR_GALLERY:
1258                         if (!$config['allow_avatar_local'] && !$ignore_config)
1259                         {
1260                                 return '';
1261                         }
1262                         $avatar_img = $phpbb_root_path . $config['avatar_gallery_path'] . '/';
1263                 break;
1264
1265                 case AVATAR_REMOTE:
1266                         if (!$config['allow_avatar_remote'] && !$ignore_config)
1267                         {
1268                                 return '';
1269                         }
1270                 break;
1271         }
1272
1273         $avatar_img .= $avatar;
1274         return '<img src="' . (str_replace(' ', '%20', $avatar_img)) . '" width="' . $avatar_width . '" height="' . $avatar_height . '" alt="' . ((!empty($user->lang[$alt])) ? $user->lang[$alt] : $alt) . '" />';
1275 }
1276
1277 ?>