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-rw-r--r--include/functions_search.inc.php50
1 files changed, 43 insertions, 7 deletions
diff --git a/include/functions_search.inc.php b/include/functions_search.inc.php
index 4cda7f4ef..5410dd9df 100644
--- a/include/functions_search.inc.php
+++ b/include/functions_search.inc.php
@@ -592,12 +592,24 @@ class QResults
var $tag_iids;
var $images_iids;
var $iids;
+
+ var $variants;
}
function qsearch_get_images(QExpression $expr, QResults $qsr)
{
//@TODO: inflections for english / french
$qsr->images_iids = array_fill(0, count($expr->tokens), array());
+
+ $inflector = null;
+ $lang_code = substr(get_default_language(),0,2);
+ include_once(PHPWG_ROOT_PATH.'include/inflectors/'.$lang_code.'.php');
+ $class_name = 'Inflector_'.$lang_code;
+ if (class_exists($class_name))
+ {
+ $inflector = new $class_name;
+ }
+
$query_base = 'SELECT id from '.IMAGES_TABLE.' i WHERE ';
for ($i=0; $i<count($expr->stokens); $i++)
{
@@ -608,6 +620,19 @@ function qsearch_get_images(QExpression $expr, QResults $qsr)
$like = str_replace( array('%','_'), array('\\%','\\_'), $like); // escape LIKE specials %_
$clauses[] = 'CONVERT(file, CHAR) LIKE \'%'.$like.'%\'';
+ if ($inflector!=null && strlen($token)>2
+ && ($expr->stoken_modifiers[$i] & (QST_QUOTED|QST_WILDCARD))==0
+ && strcspn($token, '\'0123456789') == strlen($token)
+ )
+ {
+ $variants = array_unique( array_diff( $inflector->get_variants($token), array($token) ) );
+ $qsr->variants[$token] = $variants;
+ }
+ else
+ {
+ $variants = array();
+ }
+
if (strlen($token)>3) // default minimum full text index
{
$ft = $token;
@@ -615,15 +640,20 @@ function qsearch_get_images(QExpression $expr, QResults $qsr)
$ft = '"'.$ft.'"';
if ($expr->stoken_modifiers[$i] & QST_WILDCARD_END)
$ft .= '*';
+ foreach ($variants as $variant)
+ {
+ $ft.=' '.$variant;
+ }
$clauses[] = 'MATCH(i.name, i.comment) AGAINST( \''.addslashes($ft).'\' IN BOOLEAN MODE)';
}
else
{
foreach( array('i.name', 'i.comment') as $field)
{
- $clauses[] = $field.' LIKE \''.$like.' %\'';
+ /*$clauses[] = $field.' LIKE \''.$like.' %\'';
$clauses[] = $field.' LIKE \'% '.$like.'\'';
- $clauses[] = $field.' LIKE \'% '.$like.' %\'';
+ $clauses[] = $field.' LIKE \'% '.$like.' %\'';*/
+ $clauses[] = $field.' REGEXP \'[[:<:]]'.addslashes(preg_quote($token)).'[[:>:]]\'';
}
}
$query = $query_base.'('.implode(' OR ', $clauses).')';
@@ -753,8 +783,12 @@ SELECT t.*, COUNT(image_id) AS counter
{
$tag_id = $token_tag_ids[$i][$j];
$counter += $all_tags[$tag_id]['counter'];
- if ($counter > 200 && $j>0 && $token_tag_scores[$i][0] > $token_tag_scores[$i][$j] )
- {// "many" images in previous tags and starting from this tag is less relevent
+ if ( $j>0 && (
+ ($counter > 100 && $token_tag_scores[$i][0] > $token_tag_scores[$i][$j]) // "many" images in previous tags and starting from this tag is less relevant
+ || ($token_tag_scores[$i][0]==1 && $token_tag_scores[$i][$j]<0.8)
+ || ($token_tag_scores[$i][0]>0.8 && $token_tag_scores[$i][$j]<0.5)
+ ))
+ {// we remove this tag from the results, but we still leave it in all_tags list so that if we are wrong, the user chooses it
array_splice($token_tag_ids[$i], $j);
array_splice($token_tag_scores[$i], $j);
break;
@@ -864,12 +898,13 @@ function get_quick_search_results($q, $super_order_by, $images_where='')
{
global $conf;
//@TODO: maybe cache for 10 minutes the result set to avoid many expensive sql calls when navigating the pictures
+ $q = trim(stripslashes($q));
$search_results =
array(
'items' => array(),
- 'qs' => array('q'=>stripslashes($q)),
+ 'qs' => array('q'=>$q),
);
- $q = trim($q);
+
$expression = new QExpression($q);
//var_export($expression);
@@ -884,7 +919,8 @@ function get_quick_search_results($q, $super_order_by, $images_where='')
$debug[] = count($expression->stokens).' tokens';
for ($i=0; $i<count($expression->stokens); $i++)
{
- $debug[] = $expression->stokens[$i].': '.count($qsr->tag_ids[$i]).' tags, '.count($qsr->tag_iids[$i]).' tiids, '.count($qsr->images_iids[$i]).' iiids, '.count($qsr->iids[$i]).' iids';
+ $debug[] = $expression->stokens[$i].': '.count($qsr->tag_ids[$i]).' tags, '.count($qsr->tag_iids[$i]).' tiids, '.count($qsr->images_iids[$i]).' iiids, '.count($qsr->iids[$i]).' iids'
+ .( !empty($qsr->variants[$expression->stokens[$i]]) ? ' variants: '.implode(', ',$qsr->variants[$expression->stokens[$i]]): '');
}
$debug[] = 'before perms '.count($ids);