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Added search term parsing and exact term matches
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@ -4,7 +4,7 @@
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class Entity extends Ownable
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{
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protected $textField = 'description';
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public $textField = 'description';
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/**
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* Compares this entity to another given entity.
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@ -8,7 +8,7 @@ class Page extends Entity
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protected $simpleAttributes = ['name', 'id', 'slug'];
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protected $with = ['book'];
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protected $textField = 'text';
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public $textField = 'text';
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/**
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* Converts this page into a simplified array.
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@ -6,7 +6,9 @@ use BookStack\Entity;
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use BookStack\Page;
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use BookStack\SearchTerm;
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use Illuminate\Database\Connection;
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use Illuminate\Database\Query\Builder;
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use Illuminate\Database\Query\JoinClause;
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use Illuminate\Support\Collection;
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class SearchService
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{
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@ -43,11 +45,18 @@ class SearchService
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$this->permissionService = $permissionService;
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}
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/**
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* Search all entities in the system.
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* @param $searchString
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* @param string $entityType
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* @param int $page
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* @param int $count
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* @return Collection
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*/
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public function searchEntities($searchString, $entityType = 'all', $page = 0, $count = 20)
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{
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// TODO - Add Tag Searches
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// TODO - Add advanced custom column searches
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// TODO - Add exact match searches ("")
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// TODO - Check drafts don't show up in results
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// TODO - Move search all page to just /search?term=cat
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@ -59,27 +68,89 @@ class SearchService
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return collect($bookSearch)->merge($chapterSearch)->merge($pageSearch)->sortByDesc('score');
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}
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/**
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* Search across a particular entity type.
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* @param string $searchString
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* @param string $entityType
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* @param int $page
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* @param int $count
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* @return \Illuminate\Database\Eloquent\Collection|static[]
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*/
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public function searchEntityTable($searchString, $entityType = 'page', $page = 0, $count = 20)
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{
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$termArray = explode(' ', $searchString);
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$subQuery = $this->db->table('search_terms')->select('entity_id', 'entity_type', \DB::raw('SUM(score) as score'));
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$subQuery->where(function($query) use ($termArray) {
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foreach ($termArray as $inputTerm) {
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$query->orWhere('term', 'like', $inputTerm .'%');
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}
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});
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$searchTerms = $this->parseSearchString($searchString);
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$entity = $this->getEntity($entityType);
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$subQuery = $subQuery->groupBy('entity_type', 'entity_id');
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$entitySelect = $entity->newQuery()->join(\DB::raw('(' . $subQuery->toSql() . ') as s'), function(JoinClause $join) {
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$entitySelect = $entity->newQuery();
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// Handle normal search terms
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if (count($searchTerms['search']) > 0) {
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$subQuery = $this->db->table('search_terms')->select('entity_id', 'entity_type', \DB::raw('SUM(score) as score'));
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$subQuery->where(function(Builder $query) use ($searchTerms) {
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foreach ($searchTerms['search'] as $inputTerm) {
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$query->orWhere('term', 'like', $inputTerm .'%');
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}
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})->groupBy('entity_type', 'entity_id');
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$entitySelect->join(\DB::raw('(' . $subQuery->toSql() . ') as s'), function(JoinClause $join) {
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$join->on('id', '=', 'entity_id');
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})->selectRaw($entity->getTable().'.*, s.score')->orderBy('score', 'desc')->skip($page * $count)->take($count);
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})->selectRaw($entity->getTable().'.*, s.score')->orderBy('score', 'desc');
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$entitySelect->mergeBindings($subQuery);
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}
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// Handle exact term matching
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if (count($searchTerms['exact']) > 0) {
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$entitySelect->where(function(\Illuminate\Database\Eloquent\Builder $query) use ($searchTerms, $entity) {
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foreach ($searchTerms['exact'] as $inputTerm) {
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$query->where(function (\Illuminate\Database\Eloquent\Builder $query) use ($inputTerm, $entity) {
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$query->where('name', 'like', '%'.$inputTerm .'%')
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->orWhere($entity->textField, 'like', '%'.$inputTerm .'%');
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});
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}
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});
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}
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$entitySelect->skip($page * $count)->take($count);
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$query = $this->permissionService->enforceEntityRestrictions($entityType, $entitySelect, 'view');
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return $query->get();
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}
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/**
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* Parse a search string into components.
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* @param $searchString
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* @return array
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*/
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public function parseSearchString($searchString)
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{
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$terms = [
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'search' => [],
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'exact' => [],
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'tags' => [],
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'filters' => []
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];
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$patterns = [
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'exact' => '/"(.*?)"/',
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'tags' => '/\[(.*?)\]/',
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'filters' => '/\{(.*?)\}/'
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];
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foreach ($patterns as $termType => $pattern) {
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$matches = [];
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preg_match_all($pattern, $searchString, $matches);
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if (count($matches) > 0) {
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$terms[$termType] = $matches[1];
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$searchString = preg_replace($pattern, '', $searchString);
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}
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}
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foreach (explode(' ', trim($searchString)) as $searchTerm) {
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if ($searchTerm !== '') $terms['search'][] = $searchTerm;
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}
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return $terms;
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}
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/**
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* Get an entity instance via type.
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* @param $type
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