1 <?php namespace BookStack;
4 abstract class Entity extends Ownable
8 * Compares this entity to another given entity.
9 * Matches by comparing class and id.
13 public function matches($entity)
15 return [get_class($this), $this->id] === [get_class($entity), $entity->id];
19 * Checks if an entity matches or contains another given entity.
20 * @param Entity $entity
23 public function matchesOrContains(Entity $entity)
25 $matches = [get_class($this), $this->id] === [get_class($entity), $entity->id];
27 if ($matches) return true;
29 if (($entity->isA('chapter') || $entity->isA('page')) && $this->isA('book')) {
30 return $entity->book_id === $this->id;
33 if ($entity->isA('page') && $this->isA('chapter')) {
34 return $entity->chapter_id === $this->id;
41 * Gets the activity objects for this entity.
42 * @return \Illuminate\Database\Eloquent\Relations\MorphMany
44 public function activity()
46 return $this->morphMany('BookStack\Activity', 'entity')->orderBy('created_at', 'desc');
50 * Get View objects for this entity.
52 public function views()
54 return $this->morphMany('BookStack\View', 'viewable');
58 * Get this entities restrictions.
60 public function restrictions()
62 return $this->morphMany('BookStack\Restriction', 'restrictable');
66 * Check if this entity has a specific restriction set against it.
71 public function hasRestriction($role_id, $action)
73 return $this->restrictions->where('role_id', $role_id)->where('action', $action)->count() > 0;
77 * Allows checking of the exact class, Used to check entity type.
78 * Cleaner method for is_a.
82 public static function isA($type)
84 return static::getClassName() === strtolower($type);
88 * Gets a limited-length version of the entities name.
92 public function getShortName($length = 25)
94 if (strlen($this->name) <= $length) return $this->name;
95 return substr($this->name, 0, $length - 3) . '...';
99 * Perform a full-text search on this entity.
100 * @param string[] $fieldsToSearch
101 * @param string[] $terms
102 * @param string[] array $wheres
105 public static function fullTextSearchQuery($fieldsToSearch, $terms, $wheres = [])
108 foreach ($terms as $key => $term) {
109 $term = htmlentities($term, ENT_QUOTES);
110 $term = preg_replace('/[+\-><\(\)~*\"@]+/', ' ', $term);
111 if (preg_match('/\s/', $term)) {
112 $exactTerms[] = '%' . $term . '%';
113 $term = '"' . $term . '"';
115 $term = '' . $term . '*';
117 if ($term !== '*') $terms[$key] = $term;
119 $termString = implode(' ', $terms);
120 $fields = implode(',', $fieldsToSearch);
121 $search = static::selectRaw('*, MATCH(name) AGAINST(? IN BOOLEAN MODE) AS title_relevance', [$termString]);
122 $search = $search->whereRaw('MATCH(' . $fields . ') AGAINST(? IN BOOLEAN MODE)', [$termString]);
124 // Ensure at least one exact term matches if in search
125 if (count($exactTerms) > 0) {
126 $search = $search->where(function($query) use ($exactTerms, $fieldsToSearch) {
127 foreach ($exactTerms as $exactTerm) {
128 foreach ($fieldsToSearch as $field) {
129 $query->orWhere($field, 'like', $exactTerm);
135 // Add additional where terms
136 foreach ($wheres as $whereTerm) {
137 $search->where($whereTerm[0], $whereTerm[1], $whereTerm[2]);
140 if (static::isA('page')) {
141 $search = $search->with('book', 'chapter', 'createdBy', 'updatedBy');
142 } else if (static::isA('chapter')) {
143 $search = $search->with('book');
146 return $search->orderBy('title_relevance', 'desc');
150 * Get the url for this item.
153 abstract public function getUrl();