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authorrvelices <rv-github@modusoptimus.com>2006-03-30 00:37:07 +0000
committerrvelices <rv-github@modusoptimus.com>2006-03-30 00:37:07 +0000
commit4d322701de488c66916d15955099c3ed1ad061ab (patch)
tree19f13abdb83f21f13d6bd3b75f54c5eeccdf35a3 /include/functions_search.inc.php
parenta2dd39df73d6c29073dbd8d7d87f34adf9aef621 (diff)
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
Diffstat (limited to 'include/functions_search.inc.php')
-rw-r--r--include/functions_search.inc.php219
1 files changed, 219 insertions, 0 deletions
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