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Support boolean operators in search queries

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This adds very basic support for boolean search queries such as "video
or movie" or "lin and not linux". However, nested queries such as
"(video or movie) and editing" are not (yet) supported.

Signed-off-by: Lukas Fleischer <lfleischer@archlinux.org>
This commit is contained in:
Lukas Fleischer 2015-05-22 13:19:53 +02:00
parent 0f48341ed6
commit 2db1a55922
1 changed files with 18 additions and 1 deletions
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19
web/lib/pkgfuncs.inc.php
View file

@ -602,21 +602,38 @@ function pkg_search_page($SID="") {
else {
/* Search by name and description (default). */
$count = 0;
$q_where .= "AND (";
$op = "";
foreach (str_getcsv($_GET['K'], ' ') as $term) {
if ($term == "") {
continue;
}
if ($count > 0 && strtolower($term) == "and") {
$op = "AND ";
continue;
}
if ($count > 0 && strtolower($term) == "or") {
$op = "OR ";
continue;
}
if ($count > 0 && strtolower($term) == "not") {
$op .= "NOT ";
continue;
}
$term = "%" . addcslashes($term, '%_') . "%";
$q_where .= "AND (Packages.Name LIKE " . $dbh->quote($term) . " OR ";
$q_where .= $op . " (Packages.Name LIKE " . $dbh->quote($term) . " OR ";
$q_where .= "Description LIKE " . $dbh->quote($term) . ") ";
$count++;
if ($count >= 20) {
break;
}
$op = "AND ";
}
$q_where .= ") ";
}
}