From 9c72bda44c514a615e17b8a4f3ca4353e16f3010 Mon Sep 17 00:00:00 2001
From: vdigital <vdigital@piwigo.org>
Date: Sat, 16 Dec 2006 16:16:59 +0000
Subject: functions_webserv.inc.php common to Admin ws_checker and ws.

git-svn-id: http://piwigo.org/svn/trunk@1671 68402e56-0260-453c-a942-63ccdbb3a9ee
---
 include/functions_webserv.inc.php | 129 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 include/functions_webserv.inc.php

diff --git a/include/functions_webserv.inc.php b/include/functions_webserv.inc.php
new file mode 100644
index 000000000..6269ecb1f
--- /dev/null
+++ b/include/functions_webserv.inc.php
@@ -0,0 +1,129 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | PhpWebGallery - a PHP based picture gallery                           |
+// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
+// | Copyright (C) 2003-2005 PhpWebGallery Team - http://phpwebgallery.net |
+// +-----------------------------------------------------------------------+
+// | branch        : BSF (Best So Far)
+// | file          : $RCSfile$
+// | last update   : $Date: 2006-02-28 02:13:16 +0100 (mar., 28 févr. 2006) $
+// | last modifier : $Author: rvelices $
+// | revision      : $Revision: 1058 $
+// +-----------------------------------------------------------------------+
+// | This program is free software; you can redistribute it and/or modify  |
+// | it under the terms of the GNU General Public License as published by  |
+// | the Free Software Foundation                                          |
+// |                                                                       |
+// | This program is distributed in the hope that it will be useful, but   |
+// | WITHOUT ANY WARRANTY; without even the implied warranty of            |
+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
+// | General Public License for more details.                              |
+// |                                                                       |
+// | You should have received a copy of the GNU General Public License     |
+// | along with this program; if not, write to the Free Software           |
+// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
+// | USA.                                                                  |
+// +-----------------------------------------------------------------------+
+
+//------------------------------------------------------------------- functions
+// official_req returns the managed requests list in array format
+function official_req()
+{
+return array(
+    'random'                              /* Random order */
+  , 'list'               /* list on MBt & z0rglub request */
+  , 'maxviewed'             /* hit > 0 and hit desc order */
+  , 'recent'        /* recent = Date_available desc order */
+  , 'highrated'            /* avg_rate > 0 and desc order */
+  , 'oldest'                  /* Date_available asc order */
+  , 'lessviewed'                         /* hit asc order */
+  , 'lowrated'                      /* avg_rate asc order */
+  , 'undescribed'                  /* description missing */
+  , 'unnamed'                         /* new name missing */
+  , 'portraits'     /* width < height (portrait oriented) */
+  , 'landscapes'   /* width > height (landscape oriented) */
+  , 'squares'             /* width ~ height (square form) */
+);
+}
+
+
+// expand_id_list($ids) convert a human list expression to a full ordered list
+// example : expand_id_list( array(5,2-3,2) ) returns array( 2, 3, 5)
+function expand_id_list($ids)
+{
+    $tid = array();
+    foreach ( $ids as $id )
+    {
+      if ( is_numeric($id) )
+      {
+        $tid[] = (int) $id;
+      }
+      else
+      {
+        $range = explode( '-', $id );
+        if ( is_numeric($range[0]) and is_numeric($range[1]) )
+        {
+          $from = min($range[0],$range[1]);
+          $to = max($range[0],$range[1]);
+          for ($i = $from; $i <= $to; $i++) 
+          {
+            $tid[] = (int) $i;
+          }
+        }
+      }
+    }
+    $result = array_unique ($tid); // remove duplicates...
+    sort ($result);
+    return $result;
+}
+
+// check_target($string) verifies and corrects syntax of target parameter
+// example : check_target(cat/23,24,24,24,25,27) returns cat/23-25,27
+function check_target($list)
+{
+  if ( $list !== '' )
+  {
+    $type = explode('/',$list); // Find type list
+    if ( !in_array($type[0],array('list','cat','tag') ) )
+    {
+      $type[0] = 'list'; // Assume an id list
+    } 
+    $ids = explode( ',',$type[1] );
+    $list = $type[0] . '/';
+
+    // 1,2,21,3,22,4,5,9-12,6,11,12,13,2,4,6,
+
+    $result = expand_id_list( $ids ); 
+
+    // 1,2,3,4,5,6,9,10,11,12,13,21,22, 
+    // I would like
+    // 1-6,9-13,21-22
+    $serial[] = $result[0]; // To be shifted                      
+    foreach ($result as $k => $id)
+    {
+      $next_less_1 = (isset($result[$k + 1]))? $result[$k + 1] - 1:-1;
+      if ( $id == $next_less_1 and end($serial)=='-' )
+      { // nothing to do 
+      }
+      elseif ( $id == $next_less_1 )
+      {
+        $serial[]=$id;
+        $serial[]='-';
+      }
+      else
+      {
+        $serial[]=$id;  // end serie or non serie
+      }
+    }
+    $null = array_shift($serial); // remove first value
+    $list .= array_shift($serial); // add the real first one
+    $separ = ',';
+    foreach ($serial as $id)
+    {
+      $list .= ($id=='-') ? '' : $separ . $id;
+      $separ = ($id=='-') ? '-':','; // add comma except if hyphen
+    }
+  }
+  return $list;
+}
+?>
-- 
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