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Merge branch 'feature/search-improvements' into 'master'

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Search improvements

See merge request tt-rss/tt-rss!72
This commit is contained in:
Andrew Dolgov 2024-11-11 04:36:47 +00:00
commit 6273e26ea4
1 changed files with 39 additions and 31 deletions
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70
classes/Feeds.php
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@ -2212,18 +2212,22 @@ class Feeds extends Handler_Protected {
* @return array{0: string, 1: array<int, string>} [$search_query_part, $search_words]
*/
private static function _search_to_sql(string $search, string $search_language, int $owner_uid): array {
$keywords = str_getcsv(preg_replace('/(-?\w+)\:"(\w+)/', '"{$1}:{$2}', trim($search)), ' ', '"', '');
// Modify the search string so that 'keyword:"foo bar"' becomes '"keyword:foo bar"'.
// This is needed so potential command pairs are grouped correctly.
$search_csv_str = preg_replace('/(-?\w+)\:"(\w+)/', '"$1:$2', trim($search));
// $keywords will be an array like ['"title:hello world"', 'some', 'words']
$keywords = str_getcsv($search_csv_str, ' ', '"', '');
$query_keywords = array();
$search_words = array();
$search_query_leftover = array();
$pdo = Db::pdo();
if ($search_language)
$search_language = $pdo->quote(mb_strtolower($search_language));
else
$search_language = $pdo->quote(mb_strtolower(get_pref(Prefs::DEFAULT_SEARCH_LANGUAGE, $owner_uid)));
$search_language = $pdo->quote(mb_strtolower($search_language ?: get_pref(Prefs::DEFAULT_SEARCH_LANGUAGE, $owner_uid)));
/** @var string $k a keyword pair (not yet split) or standalone value */
foreach ($keywords as $k) {
if (strpos($k, "-") === 0) {
$k = substr($k, 1);
@ -2232,38 +2236,42 @@ class Feeds extends Handler_Protected {
$not = "";
}
$commandpair = explode(":", mb_strtolower($k), 2);
$keyword_pair = explode(':', mb_strtolower($k), 2);
$keyword_name = $keyword_pair[0];
$keyword_value = empty($keyword_pair[1]) ? '' : trim($keyword_pair[1]);
switch ($commandpair[0]) {
// NOTE: If there's a keyword match but no keyword value we fall back to doing
// a search in article title and content.
switch ($keyword_name) {
case "title":
if ($commandpair[1]) {
if ($keyword_value) {
array_push($query_keywords, "($not (LOWER(ttrss_entries.title) LIKE ".
$pdo->quote('%' . mb_strtolower($commandpair[1]) . '%') ."))");
$pdo->quote("%{$keyword_value}%") ."))");
} else {
array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER(".$pdo->quote("%$k%").")
OR UPPER(ttrss_entries.content) $not LIKE UPPER(".$pdo->quote("%$k%")."))");
array_push($search_words, $k);
}
break;
case "author":
if ($commandpair[1]) {
if ($keyword_value) {
array_push($query_keywords, "($not (LOWER(author) LIKE ".
$pdo->quote('%' . mb_strtolower($commandpair[1]) . '%')."))");
$pdo->quote("%{$keyword_value}%")."))");
} else {
array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER(".$pdo->quote("%$k%").")
OR UPPER(ttrss_entries.content) $not LIKE UPPER(".$pdo->quote("%$k%")."))");
array_push($search_words, $k);
}
break;
case "note":
if ($commandpair[1]) {
if ($commandpair[1] == "true")
if ($keyword_value) {
if ($keyword_value == "true")
array_push($query_keywords, "($not (note IS NOT NULL AND note != ''))");
else if ($commandpair[1] == "false")
else if ($keyword_value == "false")
array_push($query_keywords, "($not (note IS NULL OR note = ''))");
else
array_push($query_keywords, "($not (LOWER(note) LIKE ".
$pdo->quote('%' . mb_strtolower($commandpair[1]) . '%')."))");
$pdo->quote("%{$keyword_value}%")."))");
} else {
array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER(".$pdo->quote("%$k%").")
OR UPPER(ttrss_entries.content) $not LIKE UPPER(".$pdo->quote("%$k%")."))");
@ -2271,9 +2279,8 @@ class Feeds extends Handler_Protected {
}
break;
case "star":
if ($commandpair[1]) {
if ($commandpair[1] == "true")
if ($keyword_value) {
if ($keyword_value == "true")
array_push($query_keywords, "($not (marked = true))");
else
array_push($query_keywords, "($not (marked = false))");
@ -2284,12 +2291,11 @@ class Feeds extends Handler_Protected {
}
break;
case "pub":
if ($commandpair[1]) {
if ($commandpair[1] == "true")
if ($keyword_value) {
if ($keyword_value == "true")
array_push($query_keywords, "($not (published = true))");
else
array_push($query_keywords, "($not (published = false))");
} else {
array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
OR UPPER(ttrss_entries.content) $not LIKE UPPER(".$pdo->quote("%$k%")."))");
@ -2297,8 +2303,8 @@ class Feeds extends Handler_Protected {
}
break;
case "label":
if ($commandpair[1]) {
$label_id = Labels::find_id($commandpair[1], $_SESSION["uid"]);
if ($keyword_value) {
$label_id = Labels::find_id($keyword_value, $_SESSION["uid"]);
if ($label_id) {
array_push($query_keywords, "($not
@ -2315,8 +2321,8 @@ class Feeds extends Handler_Protected {
}
break;
case "unread":
if ($commandpair[1]) {
if ($commandpair[1] == "true")
if ($keyword_value) {
if ($keyword_value == "true")
array_push($query_keywords, "($not (unread = true))");
else
array_push($query_keywords, "($not (unread = false))");
@ -2328,22 +2334,24 @@ class Feeds extends Handler_Protected {
}
break;
default:
// @{date} handling
if (strpos($k, "@") === 0) {
$user_tz_string = get_pref(Prefs::USER_TIMEZONE, $_SESSION['uid']);
$orig_ts = strtotime(substr($k, 1));
$k = date("Y-m-d", TimeHelper::convert_timestamp($orig_ts, $user_tz_string, 'UTC'));
//$k = date("Y-m-d", strtotime(substr($k, 1)));
array_push($query_keywords, "(".SUBSTRING_FOR_DATE."(updated,1,LENGTH('$k')) $not = '$k')");
array_push($query_keywords, "(".SUBSTRING_FOR_DATE."(updated,1,LENGTH(".$pdo->quote($k).")) $not = ".$pdo->quote($k).")");
} else {
// treat as leftover text
// TODO: handle multiword strings in the fulltext search
$k = mb_strtolower($k);
if (Config::get(Config::DB_TYPE) == "pgsql") {
$k = mb_strtolower($k);
array_push($search_query_leftover, $not ? "!$k" : $k);
} else {
$k = mb_strtolower($k);
array_push($search_query_leftover, $not ? "-$k" : $k);
//array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER(".$pdo->quote("%$k%").")