Support text search across link fields.
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parent
bedd176a54
commit
522b278b03
4 changed files with 75 additions and 37 deletions
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@ -138,6 +138,7 @@ class LinkFilter
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*/
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private function filterFulltext($searchterms, $privateonly = false)
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{
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$filtered = array();
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$search = mb_convert_case(html_entity_decode($searchterms), MB_CASE_LOWER, 'UTF-8');
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$exactRegex = '/"([^"]+)"/';
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// Retrieve exact search terms.
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@ -169,35 +170,32 @@ class LinkFilter
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continue;
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}
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// Iterate over searchable link fields.
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// Concatenate link fields to search across fields.
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// Adds a '\' separator for exact search terms.
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$content = '';
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foreach ($keys as $key) {
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// Be optimistic
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$found = true;
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$haystack = mb_convert_case($link[$key], MB_CASE_LOWER, 'UTF-8');
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// First, we look for exact term search
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for ($i = 0; $i < count($exactSearch) && $found; $i++) {
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$found = strpos($haystack, $exactSearch[$i]) !== false;
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}
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// Iterate over keywords, if keyword is not found,
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// no need to check for the others. We want all or nothing.
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for ($i = 0; $i < count($andSearch) && $found; $i++) {
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$found = strpos($haystack, $andSearch[$i]) !== false;
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}
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// Exclude terms.
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for ($i = 0; $i < count($excludeSearch) && $found; $i++) {
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$found = strpos($haystack, $excludeSearch[$i]) === false;
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}
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// One of the fields of the link matches, no need to check the other.
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if ($found) {
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break;
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}
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$content .= mb_convert_case($link[$key], MB_CASE_LOWER, 'UTF-8') . '\\';
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}
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// Be optimistic
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$found = true;
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// First, we look for exact term search
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for ($i = 0; $i < count($exactSearch) && $found; $i++) {
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$found = strpos($content, $exactSearch[$i]) !== false;
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}
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// Iterate over keywords, if keyword is not found,
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// no need to check for the others. We want all or nothing.
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for ($i = 0; $i < count($andSearch) && $found; $i++) {
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$found = strpos($content, $andSearch[$i]) !== false;
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}
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// Exclude terms.
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for ($i = 0; $i < count($excludeSearch) && $found; $i++) {
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$found = strpos($content, $excludeSearch[$i]) === false;
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}
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if ($found) {
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$filtered[$link['linkdate']] = $link;
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}
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@ -298,6 +298,7 @@ class LinkDBTest extends PHPUnit_Framework_TestCase
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'w3c' => 1,
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'css' => 1,
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'Mercurial' => 1,
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'stuff' => 2,
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'-exclude' => 1,
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'.hidden' => 1,
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),
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@ -164,6 +164,17 @@ class LinkFilterTest extends PHPUnit_Framework_TestCase
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);
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}
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/**
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* Full-text search - no result found.
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*/
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public function testFilterFullTextNoResult()
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{
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$this->assertEquals(
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0,
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count(self::$linkFilter->filter(LinkFilter::$FILTER_TEXT, 'azertyuiop'))
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);
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}
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/**
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* Full-text search - result from a link's URL
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*/
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@ -262,28 +273,56 @@ class LinkFilterTest extends PHPUnit_Framework_TestCase
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{
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$this->assertEquals(
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1,
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count(self::$linkFilter->filter(LinkFilter::$FILTER_TEXT, 'free -software'))
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count(self::$linkFilter->filter(LinkFilter::$FILTER_TEXT, 'free -gnu'))
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);
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$this->assertEquals(
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7,
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count(self::$linkFilter->filter(LinkFilter::$FILTER_TEXT, '-software'))
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6,
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count(self::$linkFilter->filter(LinkFilter::$FILTER_TEXT, '-revolution'))
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);
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}
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/**
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* Full-text search - test AND, exact terms and exclusion combined.
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* Full-text search - test AND, exact terms and exclusion combined, across fields.
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*/
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public function testMultiSearch()
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{
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$this->assertEquals(
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2,
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count(self::$linkFilter->filter(LinkFilter::$FILTER_TEXT, '"Free Software " stallman "read this"'))
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count(self::$linkFilter->filter(
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LinkFilter::$FILTER_TEXT,
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'"Free Software " stallman "read this" @website stuff'
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))
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);
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$this->assertEquals(
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1,
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count(self::$linkFilter->filter(LinkFilter::$FILTER_TEXT, '"free software " stallman "read this" -beard'))
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count(self::$linkFilter->filter(
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LinkFilter::$FILTER_TEXT,
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'"free software " stallman "read this" -beard @website stuff'
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))
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);
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}
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/**
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* Full-text search - make sure that exact search won't work across fields.
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*/
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public function testSearchExactTermMultiFieldsKo()
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{
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$this->assertEquals(
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0,
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count(self::$linkFilter->filter(
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LinkFilter::$FILTER_TEXT,
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'"designer naming"'
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))
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);
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$this->assertEquals(
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0,
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count(self::$linkFilter->filter(
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LinkFilter::$FILTER_TEXT,
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'"designernaming"'
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))
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);
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}
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@ -14,21 +14,21 @@ class ReferenceLinkDB
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function __construct()
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{
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$this->addLink(
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'Free as in Freedom 2.0',
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'Free as in Freedom 2.0 @website',
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'https://static.fsf.org/nosvn/faif-2.0.pdf',
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'Richard Stallman and the Free Software Revolution. Read this.',
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0,
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'20150310_114633',
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'free gnu software stallman -exclude'
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'free gnu software stallman -exclude stuff'
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);
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$this->addLink(
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'Note:',
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'Link title: @website',
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'local',
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'Stallman has a beard and is part of the Free Software Foundation (or not). Seriously, read this.',
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0,
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'20150310_114651',
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''
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'stuff'
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);
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$this->addLink(
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