Add search for keywords only

Implements FS#45619.

Signed-off-by: Marcel Korpel <marcel.korpel@gmail.com>
Signed-off-by: Lukas Fleischer <lfleischer@archlinux.org>
This commit is contained in:
Marcel Korpel 2015-09-22 22:02:37 +02:00 committed by Lukas Fleischer
parent d5d08b8f92
commit 4516f07d9c
2 changed files with 65 additions and 39 deletions

View file

@ -575,7 +575,10 @@ function pkg_display_details($id=0, $row, $SID="") {
* SeB- property that search string (K) represents
* values: n - package name
* nd - package name & description
* x - package name (exact match)
* b - package base name
* N - package name (exact match)
* B - package base name (exact match)
* k - package keyword(s)
* m - package maintainer's username
* s - package submitter's username
* do_Orphans - boolean. whether to search packages
@ -667,6 +670,10 @@ function pkg_search_page($SID="") {
$K = "%" . addcslashes($_GET['K'], '%_') . "%";
$q_where .= "AND (PackageBases.Name LIKE " . $dbh->quote($K) . ") ";
}
elseif (isset($_GET["SeB"]) && $_GET["SeB"] == "k") {
/* Search by keywords. */
$q_where .= construct_keyword_search($dbh, false);
}
elseif (isset($_GET["SeB"]) && $_GET["SeB"] == "N") {
/* Search by name (exact match). */
$q_where .= "AND (Packages.Name = " . $dbh->quote($_GET['K']) . ") ";
@ -677,44 +684,7 @@ function pkg_search_page($SID="") {
}
else {
/* Keyword search (default). */
$count = 0;
$q_keywords = "";
$op = "";
foreach (str_getcsv($_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_keywords .= $op . " (Packages.Name LIKE " . $dbh->quote($term) . " OR ";
$q_keywords .= "Description LIKE " . $dbh->quote($term) . " OR ";
$q_keywords .= "EXISTS (SELECT * FROM PackageKeywords WHERE ";
$q_keywords .= "PackageKeywords.PackageBaseID = Packages.PackageBaseID AND ";
$q_keywords .= "PackageKeywords.Keyword LIKE " . $dbh->quote($term) . ")) ";
$count++;
if ($count >= 20) {
break;
}
$op = "AND ";
}
if (!empty($q_keywords)) {
$q_where .= "AND (" . $q_keywords . ") ";
}
$q_where .= construct_keyword_search($dbh, true);
}
}
@ -833,6 +803,61 @@ function pkg_search_page($SID="") {
return;
}
/**
* Construct the WHERE part of the sophisticated keyword search
*
* @param handle $dbh Database handle
* @param boolean $namedesc Search name and description fields
*
* @return string WHERE part of the SQL clause
*/
function construct_keyword_search($dbh, $namedesc) {
$count = 0;
$where_part = "";
$q_keywords = "";
$op = "";
foreach (str_getcsv($_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_keywords .= $op . " (";
if ($namedesc) {
$q_keywords .= "Packages.Name LIKE " . $dbh->quote($term) . " OR ";
$q_keywords .= "Description LIKE " . $dbh->quote($term) . " OR ";
}
$q_keywords .= "EXISTS (SELECT * FROM PackageKeywords WHERE ";
$q_keywords .= "PackageKeywords.PackageBaseID = Packages.PackageBaseID AND ";
$q_keywords .= "PackageKeywords.Keyword LIKE " . $dbh->quote($term) . ")) ";
$count++;
if ($count >= 20) {
break;
}
$op = "AND ";
}
if (!empty($q_keywords)) {
$where_part = "AND (" . $q_keywords . ") ";
}
return $where_part;
}
/**
* Determine if a POST string has been sent by a visitor
*

View file

@ -7,6 +7,7 @@ $searchby = array(
'b' => __('Package Base'),
'N' => __('Exact Name'),
'B' => __('Exact Package Base'),
'k' => __('Keywords'),
'm' => __('Maintainer'),
's' => __('Submitter')
);