+ /**
+ * Create a search query for an entity
+ * @param array $terms
+ * @param string $entityType
+ * @return \Illuminate\Database\Eloquent\Builder
+ */
+ protected function buildEntitySearchQuery($terms, $entityType = 'page')
+ {
+ $entity = $this->getEntity($entityType);
+ $entitySelect = $entity->newQuery();
+
+ // Handle normal search terms
+ if (count($terms['search']) > 0) {
+ $subQuery = $this->db->table('search_terms')->select('entity_id', 'entity_type', \DB::raw('SUM(score) as score'));
+ $subQuery->where(function(Builder $query) use ($terms) {
+ foreach ($terms['search'] as $inputTerm) {
+ $query->orWhere('term', 'like', $inputTerm .'%');
+ }
+ })->groupBy('entity_type', 'entity_id');
+ $entitySelect->join(\DB::raw('(' . $subQuery->toSql() . ') as s'), function(JoinClause $join) {
+ $join->on('id', '=', 'entity_id');
+ })->selectRaw($entity->getTable().'.*, s.score')->orderBy('score', 'desc');
+ $entitySelect->mergeBindings($subQuery);
+ }
+
+ // Handle exact term matching
+ if (count($terms['exact']) > 0) {
+ $entitySelect->where(function(\Illuminate\Database\Eloquent\Builder $query) use ($terms, $entity) {
+ foreach ($terms['exact'] as $inputTerm) {
+ $query->where(function (\Illuminate\Database\Eloquent\Builder $query) use ($inputTerm, $entity) {
+ $query->where('name', 'like', '%'.$inputTerm .'%')
+ ->orWhere($entity->textField, 'like', '%'.$inputTerm .'%');
+ });
+ }
+ });
+ }
+
+ // Handle tag searches
+ foreach ($terms['tags'] as $inputTerm) {
+ $this->applyTagSearch($entitySelect, $inputTerm);
+ }
+
+ // Handle filters
+ foreach ($terms['filters'] as $filterTerm => $filterValue) {
+ $functionName = camel_case('filter_' . $filterTerm);
+ if (method_exists($this, $functionName)) $this->$functionName($entitySelect, $entity, $filterValue);
+ }
+
+ return $this->permissionService->enforceEntityRestrictions($entityType, $entitySelect, 'view');
+ }
+
+
+ /**
+ * Parse a search string into components.
+ * @param $searchString
+ * @return array
+ */
+ protected function parseSearchString($searchString)
+ {
+ $terms = [
+ 'search' => [],
+ 'exact' => [],
+ 'tags' => [],
+ 'filters' => []
+ ];
+
+ $patterns = [
+ 'exact' => '/"(.*?)"/',
+ 'tags' => '/\[(.*?)\]/',
+ 'filters' => '/\{(.*?)\}/'
+ ];
+
+ // Parse special terms
+ foreach ($patterns as $termType => $pattern) {
+ $matches = [];
+ preg_match_all($pattern, $searchString, $matches);
+ if (count($matches) > 0) {
+ $terms[$termType] = $matches[1];
+ $searchString = preg_replace($pattern, '', $searchString);
+ }
+ }
+
+ // Parse standard terms
+ foreach (explode(' ', trim($searchString)) as $searchTerm) {
+ if ($searchTerm !== '') $terms['search'][] = $searchTerm;
+ }
+
+ // Split filter values out
+ $splitFilters = [];
+ foreach ($terms['filters'] as $filter) {
+ $explodedFilter = explode(':', $filter, 2);
+ $splitFilters[$explodedFilter[0]] = (count($explodedFilter) > 1) ? $explodedFilter[1] : '';
+ }
+ $terms['filters'] = $splitFilters;
+
+ return $terms;
+ }
+
+ /**
+ * Get the available query operators as a regex escaped list.
+ * @return mixed
+ */
+ protected function getRegexEscapedOperators()
+ {
+ $escapedOperators = [];
+ foreach ($this->queryOperators as $operator) {
+ $escapedOperators[] = preg_quote($operator);
+ }
+ return join('|', $escapedOperators);
+ }
+
+ /**
+ * Apply a tag search term onto a entity query.
+ * @param \Illuminate\Database\Eloquent\Builder $query
+ * @param string $tagTerm
+ * @return mixed
+ */
+ protected function applyTagSearch(\Illuminate\Database\Eloquent\Builder $query, $tagTerm) {
+ preg_match("/^(.*?)((".$this->getRegexEscapedOperators().")(.*?))?$/", $tagTerm, $tagSplit);
+ $query->whereHas('tags', function(\Illuminate\Database\Eloquent\Builder $query) use ($tagSplit) {
+ $tagName = $tagSplit[1];
+ $tagOperator = count($tagSplit) > 2 ? $tagSplit[3] : '';
+ $tagValue = count($tagSplit) > 3 ? $tagSplit[4] : '';
+ $validOperator = in_array($tagOperator, $this->queryOperators);
+ if (!empty($tagOperator) && !empty($tagValue) && $validOperator) {
+ if (!empty($tagName)) $query->where('name', '=', $tagName);
+ if (is_numeric($tagValue) && $tagOperator !== 'like') {
+ // We have to do a raw sql query for this since otherwise PDO will quote the value and MySQL will
+ // search the value as a string which prevents being able to do number-based operations
+ // on the tag values. We ensure it has a numeric value and then cast it just to be sure.
+ $tagValue = (float) trim($query->getConnection()->getPdo()->quote($tagValue), "'");
+ $query->whereRaw("value ${tagOperator} ${tagValue}");
+ } else {
+ $query->where('value', $tagOperator, $tagValue);
+ }
+ } else {
+ $query->where('name', '=', $tagName);
+ }
+ });
+ return $query;
+ }
+
projects / bookstack / blobdiff