public function fullTextSearchQuery($fieldsToSearch, $terms, $wheres = [])
{
$exactTerms = [];
$fuzzyTerms = [];
$search = static::newQuery();
foreach ($terms as $key => $term) {
$term = htmlentities($term, ENT_QUOTES);
$term = preg_replace('/[+\\-><\\(\\)~*\\"@]+/', ' ', $term);
if (preg_match('/".*?"/', $term) || is_numeric($term)) {
$term = str_replace('"', '', $term);
$exactTerms[] = '%' . $term . '%';
} else {
$term = '' . $term . '*';
if ($term !== '*') {
$fuzzyTerms[] = $term;
}
}
}
$isFuzzy = count($exactTerms) === 0 && count($fuzzyTerms) > 0;
// Perform fulltext search if relevant terms exist.
if ($isFuzzy) {
$termString = implode(' ', $fuzzyTerms);
$fields = implode(',', $fieldsToSearch);
$search = $search->selectRaw('*, MATCH(name) AGAINST(? IN BOOLEAN MODE) AS title_relevance', [$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);
}
}
});
}
$orderBy = $isFuzzy ? 'title_relevance' : 'updated_at';
// Add additional where terms
foreach ($wheres as $whereTerm) {
$search->where($whereTerm[0], $whereTerm[1], $whereTerm[2]);
}
// Load in relations
if ($this->isA('page')) {
$search = $search->with('book', 'chapter', 'createdBy', 'updatedBy');
} else {
if ($this->isA('chapter')) {
$search = $search->with('book');
}
}
return $search->orderBy($orderBy, 'desc');
}
