plugin/new.inc.php

   1 <?php
   2 // PukiWiki - Yet another WikiWikiWeb clone.
   3 // new.inc.php
   4 // Copyright  2003-2017 PukiWiki Development Team
   5 // License: GPL v2 or (at your option) any later version
   6 //
   7 // New! plugin
   8 //
   9 // Usage:
  10 //      &new([nodate]){date};     // Check the date string
  11 //      &new(pagename[,nolink]);  // Check the pages's timestamp
  12 //      &new(pagename/[,nolink]);
  13 //              // Check multiple pages started with 'pagename/',
  14 //              // and show the latest one
  15
  16 define('PLUGIN_NEW_DATE_FORMAT', '<span class="comment_date">%s</span>');
  17
  18 function plugin_new_init()
  19 {
  20         // Elapsed time => New! message with CSS
  21         $messages['_plugin_new_elapses'] = array(
  22                 60 * 60 * 24 * 1 => ' <span class="new1" title="%s">New!</span>',  // 1day
  23                 60 * 60 * 24 * 5 => ' <span class="new5" title="%s">New</span>');  // 5days
  24         set_plugin_messages($messages);
  25 }
  26
  27 function plugin_new_inline()
  28 {
  29         global $vars, $_plugin_new_elapses;
  30
  31         $retval = '';
  32         $args = func_get_args();
  33         $date = strip_autolink(array_pop($args)); // {date} always exists
  34         if($date !== '') {
  35                 // Show 'New!' message by the time of the $date string
  36                 if (func_num_args() > 2) return '&new([nodate]){date};';
  37                 $timestamp = -1;
  38                 $dm = null;
  39                 if (preg_match('/^\D*(\d{4})\D+(\d{1,2})\D+(\d{1,2})\D+(\d{1,2}:\d{2}:\d{2})\D*$/', $date, $dm)) {
  40                         $iso8601_date = $dm[1]
  41                                 . '-' . substr('0' . $dm[2], -2)
  42                                 . '-' . substr('0' . $dm[3], -2)
  43                                 . ' ' . $dm[4];
  44                         $timestamp = strtotime($iso8601_date);
  45                 } else {
  46                         $timestamp = strtotime($date);
  47                 }
  48                 if ($timestamp === -1 || $timestamp === FALSE) {
  49                         return '&new([nodate]){date}: Invalid date string;';
  50                 }
  51                 $timestamp -= ZONETIME;
  52
  53                 $retval = in_array('nodate', $args) ? '' : htmlsc($date);
  54         } else {
  55                 // Show 'New!' message by the timestamp of the page
  56                 if (func_num_args() > 3) return '&new(pagename[,nolink]);';
  57
  58                 $name = strip_bracket(! empty($args) ? array_shift($args) : $vars['page']);
  59                 $page = get_fullname($name, $vars['page']);
  60                 $nolink = in_array('nolink', $args);
  61
  62                 if (substr($page, -1) == '/') {
  63                         // Check multiple pages started with "$page"
  64                         $timestamp = 0;
  65                         $regex = '/^' . preg_quote($page, '/') . '/';
  66                         foreach (preg_grep($regex, get_existpages()) as $page) {
  67                                 // Get the latest pagename and its timestamp
  68                                 $_timestamp = get_filetime($page);
  69                                 if ($timestamp < $_timestamp) {
  70                                         $timestamp = $_timestamp;
  71                                         $retval    = $nolink ? '' : make_pagelink($page);
  72                                 }
  73                         }
  74                         if ($timestamp == 0)
  75                                 return '&new(pagename/[,nolink]): No such pages;';
  76                 } else {
  77                         // Check a page
  78                         if (is_page($page)) {
  79                                 $timestamp = get_filetime($page);
  80                                 $retval    = $nolink ? '' : make_pagelink($page, $name);
  81                         } else {
  82                                 return '&new(pagename[,nolink]): No such page;';
  83                         }
  84                 }
  85         }
  86
  87         // Add 'New!' string by the elapsed time
  88         $erapse = UTIME - $timestamp;
  89         foreach ($_plugin_new_elapses as $limit=>$tag) {
  90                 if ($erapse <= $limit) {
  91                         $retval .= sprintf($tag, get_passage($timestamp));
  92                         break;
  93                 }
  94         }
  95
  96         if($date !== '') {
  97                 // Show a date string
  98                 return sprintf(PLUGIN_NEW_DATE_FORMAT, $retval);
  99         } else {
 100                 // Show a page name
 101                 return $retval;
 102         }
 103 }