From 4d322701de488c66916d15955099c3ed1ad061ab Mon Sep 17 00:00:00 2001
From: rvelices <rv-github@modusoptimus.com>
Date: Thu, 30 Mar 2006 00:37:07 +0000
Subject: fix: image_order cookie path fixed for url rewriting

improve: add function access_denied called when check_status or
check_restrictions fail

fix: french language correction

fix: remove php warnings in clean_iptc_value

split search functions into include/functions_search.inc.php

git-svn-id: http://piwigo.org/svn/trunk@1113 68402e56-0260-453c-a942-63ccdbb3a9ee
---
 include/functions_search.inc.php | 219 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 219 insertions(+)
 create mode 100644 include/functions_search.inc.php

(limited to 'include/functions_search.inc.php')

diff --git a/include/functions_search.inc.php b/include/functions_search.inc.php
new file mode 100644
index 000000000..2ca87969e
--- /dev/null
+++ b/include/functions_search.inc.php
@@ -0,0 +1,219 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | PhpWebGallery - a PHP based picture gallery                           |
+// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
+// | Copyright (C) 2003-2006 PhpWebGallery Team - http://phpwebgallery.net |
+// +-----------------------------------------------------------------------+
+// | branch        : BSF (Best So Far)
+// | file          : $Id$
+// | last update   : $Date$
+// | last modifier : $Author$
+// | revision      : $Revision$
+// +-----------------------------------------------------------------------+
+// | 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.                                                                  |
+// +-----------------------------------------------------------------------+
+
+
+/**
+ * Prepends and appends a string at each value of the given array.
+ *
+ * @param array
+ * @param string prefix to each array values
+ * @param string suffix to each array values
+ */
+function prepend_append_array_items($array, $prepend_str, $append_str)
+{
+  array_walk(
+    $array,
+    create_function('&$s', '$s = "'.$prepend_str.'".$s."'.$append_str.'";')
+    );
+
+  return $array;
+}
+
+/**
+ * returns search rules stored into a serialized array in "search"
+ * table. Each search rules set is numericaly identified.
+ *
+ * @param int search_id
+ * @return array
+ */
+function get_search_array($search_id)
+{
+  if (!is_numeric($search_id))
+  {
+    die('Search id must be an integer');
+  }
+
+  $query = '
+SELECT rules
+  FROM '.SEARCH_TABLE.'
+  WHERE id = '.$search_id.'
+;';
+  list($serialized_rules) = mysql_fetch_row(pwg_query($query));
+
+  return unserialize($serialized_rules);
+}
+
+/**
+ * returns the SQL clause from a search identifier
+ *
+ * Search rules are stored in search table as a serialized array. This array
+ * need to be transformed into an SQL clause to be used in queries.
+ *
+ * @param int search_id
+ * @return string
+ */
+function get_sql_search_clause($search_id)
+{
+  $search = get_search_array($search_id);
+
+  // SQL where clauses are stored in $clauses array during query
+  // construction
+  $clauses = array();
+
+  foreach (array('file','name','comment','keywords','author') as $textfield)
+  {
+    if (isset($search['fields'][$textfield]))
+    {
+      $local_clauses = array();
+      foreach ($search['fields'][$textfield]['words'] as $word)
+      {
+        array_push($local_clauses, $textfield." LIKE '%".$word."%'");
+      }
+
+      // adds brackets around where clauses
+      $local_clauses = prepend_append_array_items($local_clauses, '(', ')');
+
+      array_push(
+        $clauses,
+        implode(
+          ' '.$search['fields'][$textfield]['mode'].' ',
+          $local_clauses
+          )
+        );
+    }
+  }
+
+  if (isset($search['fields']['allwords']))
+  {
+    $fields = array('file', 'name', 'comment', 'keywords', 'author');
+    // in the OR mode, request bust be :
+    // ((field1 LIKE '%word1%' OR field2 LIKE '%word1%')
+    // OR (field1 LIKE '%word2%' OR field2 LIKE '%word2%'))
+    //
+    // in the AND mode :
+    // ((field1 LIKE '%word1%' OR field2 LIKE '%word1%')
+    // AND (field1 LIKE '%word2%' OR field2 LIKE '%word2%'))
+    $word_clauses = array();
+    foreach ($search['fields']['allwords']['words'] as $word)
+    {
+      $field_clauses = array();
+      foreach ($fields as $field)
+      {
+        array_push($field_clauses, $field." LIKE '%".$word."%'");
+      }
+      // adds brackets around where clauses
+      array_push(
+        $word_clauses,
+        implode(
+          "\n          OR ",
+          $field_clauses
+          )
+        );
+    }
+
+    array_walk(
+      $word_clauses,
+      create_function('&$s','$s="(".$s.")";')
+      );
+
+    array_push(
+      $clauses,
+      "\n         ".
+      implode(
+        "\n         ".
+              $search['fields']['allwords']['mode'].
+        "\n         ",
+        $word_clauses
+        )
+      );
+  }
+
+  foreach (array('date_available', 'date_creation') as $datefield)
+  {
+    if (isset($search['fields'][$datefield]))
+    {
+      array_push(
+        $clauses,
+        $datefield." = '".$search['fields'][$datefield]['date']."'"
+        );
+    }
+
+    foreach (array('after','before') as $suffix)
+    {
+      $key = $datefield.'-'.$suffix;
+
+      if (isset($search['fields'][$key]))
+      {
+        array_push(
+          $clauses,
+
+          $datefield.
+          ($suffix == 'after'             ? ' >' : ' <').
+          ($search['fields'][$key]['inc'] ? '='  : '').
+          " '".$search['fields'][$key]['date']."'"
+
+          );
+      }
+    }
+  }
+
+  if (isset($search['fields']['cat']))
+  {
+    if ($search['fields']['cat']['sub_inc'])
+    {
+      // searching all the categories id of sub-categories
+      $cat_ids = get_subcat_ids($search['fields']['cat']['words']);
+    }
+    else
+    {
+      $cat_ids = $search['fields']['cat']['words'];
+    }
+
+    $local_clause = 'category_id IN ('.implode(',', $cat_ids).')';
+    array_push($clauses, $local_clause);
+  }
+
+  // adds brackets around where clauses
+  $clauses = prepend_append_array_items($clauses, '(', ')');
+
+  $where_separator =
+    implode(
+      "\n    ".$search['mode'].' ',
+      $clauses
+      );
+
+  $search_clause = $where_separator;
+
+  if (isset($forbidden))
+  {
+    $search_clause.= "\n    AND ".$forbidden;
+  }
+
+  return $search_clause;
+}
+
+?>
\ No newline at end of file
-- 
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