plugins/SpecialRecentChanges.php
changeset 917 64cf017a22f1
parent 916 05c341ea7545
child 920 4babf8545826
equal deleted inserted replaced
916:05c341ea7545 917:64cf017a22f1
     1 <?php
       
     2 /**!info**
       
     3 {
       
     4   "Plugin Name"  : "plugin_specialrecentchanges_title",
       
     5   "Plugin URI"   : "http://enanocms.org/",
       
     6   "Description"  : "plugin_specialrecentchanges_desc",
       
     7   "Author"       : "Dan Fuhry",
       
     8   "Version"      : "1.1.5",
       
     9   "Author URI"   : "http://enanocms.org/"
       
    10 }
       
    11 **!*/
       
    12 
       
    13 /*
       
    14  * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
       
    15  * Version 1.1.6 (Caoineag beta 1)
       
    16  * Copyright (C) 2006-2008 Dan Fuhry
       
    17  *
       
    18  * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
       
    19  * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
       
    20  *
       
    21  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
       
    22  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
       
    23  */
       
    24  
       
    25 global $db, $session, $paths, $template, $plugins; // Common objects
       
    26 
       
    27 // $plugins->attachHook('session_started', 'SpecialRecentChanges_paths_init();');
       
    28 
       
    29 function SpecialRecentChanges_paths_init()
       
    30 {
       
    31   global $paths;
       
    32   $paths->add_page(Array(
       
    33     'name'=>'specialpage_recent_changes',
       
    34     'urlname'=>'RecentChanges',
       
    35     'namespace'=>'Special',
       
    36     'special'=>0,'visible'=>1,'comments_on'=>0,'protected'=>1,'delvotes'=>0,'delvote_ips'=>'',
       
    37     ));
       
    38 }
       
    39 
       
    40 function page_Special_RecentChanges()
       
    41 {
       
    42   global $db, $session, $paths, $template, $plugins; // Common objects
       
    43   global $lang;
       
    44   
       
    45   // One super-loaded SQL query to fetch all the info we need:
       
    46   // (theoretical)
       
    47   //   SELECT ( CHAR_LENGTH(l1.page_text) - CHAR_LENGTH(l2.page_text) ) AS size_change, l1.author, l1.page_id, l1.namespace, l1.edit_summary,
       
    48   //       l1.time_id AS currev_time, l2.time_id AS oldrev_time
       
    49   //     FROM logs AS l1
       
    50   //     LEFT JOIN logs AS l2                                                    
       
    51   //       ON ( l1.log_type = l2.log_type AND l1.action = 'edit' AND l1.action = l2.action AND l2.time_id < l1.time_id AND l1.page_id = l2.page_id AND l1.namespace = l2.namespace )
       
    52   //     WHERE l2.time_id IS NOT NULL
       
    53   //     GROUP BY l1.page_id, l1.namespace
       
    54   //     ORDER BY l2.time_id DESC, l1.time_id DESC;
       
    55   // (the actual query is generated based on filter criteria)
       
    56   // How it works:
       
    57   //  * Join the logs table with itself
       
    58   //  * Select the size_change virtual column, which is based on current_rev_length - old_rev_length
       
    59   //  * Use GROUP BY to group rows from the same page together
       
    60   //  * Make sure that the time_id in the second instance (l2) of enano_logs is LESS than the time_id in the first instance (l1)
       
    61   //  * Use ORDER BY to ensure that the latest revision before current is selected
       
    62   
       
    63   $where_extra = '';
       
    64   if ( isset($_GET['filter_author']) && is_array($_GET['filter_author']) )
       
    65   {
       
    66     $f_author = $_GET['filter_author'];
       
    67     foreach ( $f_author as &$author )
       
    68     {
       
    69       $author = $db->escape($author);
       
    70     }
       
    71     $f_author = "\n    AND (\n      l1.author = '" . implode("'\n      OR l1.author = '", $f_author) . "'\n    )";
       
    72     $where_extra .= $f_author;
       
    73   }
       
    74   
       
    75   if ( ENANO_DBLAYER == 'MYSQL' )
       
    76   {
       
    77     $sql = 'SELECT ( CHAR_LENGTH(l1.page_text) - CHAR_LENGTH(l2.page_text) ) AS size_change, l1.author, l1.page_id, l1.namespace, l1.edit_summary,
       
    78     l1.time_id AS currev_time, l2.time_id AS oldrev_time
       
    79   FROM ' . table_prefix . 'logs AS l1
       
    80   LEFT JOIN ' . table_prefix . 'logs AS l2                                                    
       
    81     ON ( l1.log_type = l2.log_type AND l1.action = \'edit\' AND l1.action = l2.action AND l2.time_id < l1.time_id AND l1.page_id = l2.page_id AND l1.namespace = l2.namespace AND l2.is_draft != 1 )
       
    82   WHERE l2.time_id IS NOT NULL' . $where_extra . '
       
    83         AND l1.is_draft != 1
       
    84   GROUP BY oldrev_time
       
    85   ORDER BY l1.time_id DESC, l2.time_id DESC;';
       
    86   }
       
    87   else
       
    88   {
       
    89     $sql = 'SELECT DISTINCT ON (l1.time_id) ( CHAR_LENGTH(l1.page_text) - CHAR_LENGTH(l2.page_text) ) AS size_change, l1.author, l1.page_id, l1.namespace, l1.edit_summary,
       
    90     l1.time_id AS currev_time, l2.time_id AS oldrev_time
       
    91   FROM ' . table_prefix . 'logs AS l1
       
    92   LEFT JOIN ' . table_prefix . 'logs AS l2                                                    
       
    93     ON ( l1.log_type = l2.log_type AND l1.action = \'edit\' AND l1.action = l2.action AND l2.time_id < l1.time_id AND l1.page_id = l2.page_id AND l1.namespace = l2.namespace )
       
    94   WHERE l2.time_id IS NOT NULL' . $where_extra . '
       
    95   GROUP BY l1.time_id, l1.page_id, l1.namespace, l1.author, l1.edit_summary, l2.time_id, l1.page_text, l2.page_text
       
    96   ORDER BY l1.time_id DESC, l2.time_id DESC;';
       
    97   }
       
    98   
       
    99   $template->header();
       
   100   
       
   101   $q = $db->sql_unbuffered_query($sql);
       
   102   if ( !$q )
       
   103     $db->_die();
       
   104   
       
   105   if ( $row = $db->fetchrow($q) )
       
   106   {
       
   107     echo '<p>';
       
   108     do
       
   109     {
       
   110       $css = rch_get_css($row['size_change']);
       
   111       $pagekey = ( isset($paths->nslist[$row['namespace']]) ) ? $paths->nslist[$row['namespace']] . $row['page_id'] : $row['namespace'] . ':' . $row['page_id'];
       
   112       $pagekey = sanitize_page_id($pagekey);
       
   113       
       
   114       // diff button
       
   115       echo '(';
       
   116       if ( isPage($pagekey) )
       
   117       {
       
   118         echo '<a href="' . makeUrlNS($row['namespace'], $row['page_id'], "do=diff&diff1={$row['oldrev_time']}&diff2={$row['currev_time']}", true) . '">';
       
   119       }
       
   120       echo $lang->get('pagetools_rc_btn_diff');
       
   121       if ( isPage($pagekey) )
       
   122       {
       
   123         echo '</a>';
       
   124       }
       
   125       echo ') ';
       
   126       
       
   127       // hist button
       
   128       echo '(';
       
   129       if ( isPage($pagekey) )
       
   130       {
       
   131         echo '<a href="' . makeUrlNS($row['namespace'], $row['page_id'], "do=history", true) . '">';
       
   132       }
       
   133       echo $lang->get('pagetools_rc_btn_hist');
       
   134       if ( isPage($pagekey) )
       
   135       {
       
   136         echo '</a>';
       
   137       }
       
   138       echo ') . . ';
       
   139       
       
   140       // link to the page
       
   141       $cls = ( isPage($pagekey) ) ? '' : ' class="wikilink-nonexistent"';
       
   142       echo '<a href="' . makeUrlNS($row['namespace'], $row['page_id']) . '"' . $cls . '>' . htmlspecialchars(get_page_title_ns($row['page_id'], $row['namespace'])) . '</a>; ';
       
   143       
       
   144       // date
       
   145       $today = time() - ( time() % 86400 );
       
   146       $date = ( $row['currev_time'] > $today ) ? '' : MemberlistFormatter::format_date($row['currev_time']) . ' ';
       
   147       $date .= date('h:i s', $row['currev_time']);
       
   148       echo "$date . . ";
       
   149       
       
   150       // size counter
       
   151       $size_change = number_format($row['size_change']);
       
   152       if ( substr($size_change, 0, 1) != '-' )
       
   153         $size_change = "+$size_change";
       
   154       
       
   155       echo "<span style=\"$css\">({$size_change})</span>";
       
   156       
       
   157       // link to userpage
       
   158       echo ' . . ';
       
   159       $cls = ( isPage($paths->nslist['User'] . $row['author']) ) ? '' : ' class="wikilink-nonexistent"';
       
   160       echo '<a href="' . makeUrlNS('User', sanitize_page_id($row['author']), false, true) . '"' . $cls . '>' . htmlspecialchars($row['author']) . '</a> ';
       
   161       echo '(';
       
   162       echo '<a href="' . makeUrlNS('Special', 'PrivateMessages/Compose/To/' . sanitize_page_id($row['author']), false, true) . '">';
       
   163       echo $lang->get('pagetools_rc_btn_pm');
       
   164       echo '</a>, ';
       
   165       echo '<a href="' . makeUrlNS('User', sanitize_page_id($row['author']), false, true) . '#do:comments">';
       
   166       echo $lang->get('pagetools_rc_btn_usertalk');
       
   167       echo '</a>';
       
   168       echo ') . . ';
       
   169       
       
   170       // Edit summary
       
   171       echo '<i>(';
       
   172       if ( empty($row['edit_summary']) )
       
   173       {
       
   174         echo '<span style="color: #808080;">' . $lang->get('history_summary_none_given') . '</span>';
       
   175       }
       
   176       else
       
   177       {
       
   178         echo RenderMan::parse_internal_links(htmlspecialchars($row['edit_summary']));
       
   179       }
       
   180       echo ')</i>';
       
   181       
       
   182       echo '<br />';
       
   183     }
       
   184     while ( $row = $db->fetchrow($q) );
       
   185     echo '</p>';
       
   186   }
       
   187   
       
   188   $template->footer();
       
   189 }
       
   190 
       
   191 function rch_get_css($change_size)
       
   192 {
       
   193   // Hardly changed at all? Return a gray
       
   194   if ( $change_size <= 5 && $change_size >= -5 )
       
   195     return 'color: #808080;';
       
   196   // determine saturation based on size of change (1-500 bytes)
       
   197   $change_abs = abs($change_size);
       
   198   $index = 0x70 * ( $change_abs / 500 );
       
   199   if ( $index > 0x70 )
       
   200     $index = 0x70;
       
   201   $index = $index + 0x40;
       
   202   $index = dechex($index);
       
   203   if ( strlen($index) < 2 )
       
   204     $index = "0$index";
       
   205   $css = ( $change_size > 0 ) ? "color: #00{$index}00;" : "color: #{$index}0000;";
       
   206   if ( $change_abs > 500 )
       
   207     $css .= ' font-weight: bold;';
       
   208   return $css;
       
   209 }
       
   210 
       
   211 ?>