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Updated fulltext search with custom escaped query

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Changed pdo quoted query to use custom escaping and added like searches when quoted terms are used.
This commit is contained in:
Dan Brown 2016-03-04 20:49:35 +00:00
parent 33bf20cfc8
commit bc2b310638
3 changed files with 28 additions and 9 deletions
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29
app/Entity.php
View File

@ -87,8 +87,8 @@ abstract class Entity extends Model
*/
public function getShortName($length = 25)
{
if(strlen($this->name) <= $length) return $this->name;
return substr($this->name, 0, $length-3) . '...';
if (strlen($this->name) <= $length) return $this->name;
return substr($this->name, 0, $length - 3) . '...';
}
/**
@ -100,19 +100,34 @@ abstract class Entity extends Model
*/
public static function fullTextSearchQuery($fieldsToSearch, $terms, $wheres = [])
{
$exactTerms = [];
foreach ($terms as $key => $term) {
$term = htmlentities($term);
$term = htmlentities($term, ENT_QUOTES);
$term = preg_replace('/[+\-><\(\)~*\"@]+/', ' ', $term);
if (preg_match('/\s/', $term)) {
$exactTerms[] = '%' . $term . '%';
$term = '"' . $term . '"';
} else {
$term = '' . $term . '*';
}
$terms[$key] = $term . '*';
if ($term !== '*') $terms[$key] = $term;
}
$termString = "'" . implode(' ', $terms) . "'";
$termString = implode(' ', $terms);
$fields = implode(',', $fieldsToSearch);
$termStringEscaped = \DB::connection()->getPdo()->quote($termString);
$search = static::addSelect(\DB::raw('*, MATCH(name) AGAINST('.$termStringEscaped.' IN BOOLEAN MODE) AS title_relevance'));
$search = static::selectRaw('*, MATCH(name) AGAINST(? IN BOOLEAN MODE) AS title_relevance', [$termString]);
$search = $search->whereRaw('MATCH(' . $fields . ') AGAINST(? IN BOOLEAN MODE)', [$termString]);
// Ensure at least one exact term matches if in search
if (count($exactTerms) > 0) {
$search = $search->where(function($query) use ($exactTerms, $fieldsToSearch) {
foreach ($exactTerms as $exactTerm) {
foreach ($fieldsToSearch as $field) {
$query->orWhere($field, 'like', $exactTerm);
}
}
});
}
// Add additional where terms
foreach ($wheres as $whereTerm) {
$search->where($whereTerm[0], $whereTerm[1], $whereTerm[2]);

4
app/Repos/BookRepo.php
View File

@ -233,7 +233,9 @@ class BookRepo
} else {
$terms = [];
}
$terms = array_merge($terms, explode(' ', $term));
if (!empty($term)) {
$terms = array_merge($terms, explode(' ', $term));
}
$books = $this->book->fullTextSearchQuery(['name', 'description'], $terms)
->paginate($count)->appends($paginationAppends);
$words = join('|', explode(' ', preg_quote(trim($term), '/')));

4
app/Repos/ChapterRepo.php
View File

@ -138,7 +138,9 @@ class ChapterRepo
} else {
$terms = [];
}
$terms = array_merge($terms, explode(' ', $term));
if (!empty($term)) {
$terms = array_merge($terms, explode(' ', $term));
}
$chapters = $this->chapter->fullTextSearchQuery(['name', 'description'], $terms, $whereTerms)
->paginate($count)->appends($paginationAppends);
$words = join('|', explode(' ', preg_quote(trim($term), '/')));