mirror of
https://github.com/BookStackApp/BookStack.git
synced 2024-08-28 13:12:05 +00:00
218 lines
6.1 KiB
PHP
218 lines
6.1 KiB
PHP
<?php namespace BookStack;
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class Entity extends Ownable
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{
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/**
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* Compares this entity to another given entity.
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* Matches by comparing class and id.
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* @param $entity
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* @return bool
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*/
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public function matches($entity)
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{
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return [get_class($this), $this->id] === [get_class($entity), $entity->id];
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}
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/**
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* Checks if an entity matches or contains another given entity.
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* @param Entity $entity
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* @return bool
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*/
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public function matchesOrContains(Entity $entity)
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{
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$matches = [get_class($this), $this->id] === [get_class($entity), $entity->id];
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if ($matches) return true;
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if (($entity->isA('chapter') || $entity->isA('page')) && $this->isA('book')) {
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return $entity->book_id === $this->id;
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}
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if ($entity->isA('page') && $this->isA('chapter')) {
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return $entity->chapter_id === $this->id;
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}
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return false;
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}
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/**
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* Gets the activity objects for this entity.
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* @return \Illuminate\Database\Eloquent\Relations\MorphMany
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*/
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public function activity()
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{
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return $this->morphMany(Activity::class, 'entity')->orderBy('created_at', 'desc');
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}
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/**
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* Get View objects for this entity.
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*/
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public function views()
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{
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return $this->morphMany(View::class, 'viewable');
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}
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/**
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* Get the Tag models that have been user assigned to this entity.
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* @return \Illuminate\Database\Eloquent\Relations\MorphMany
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*/
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public function tags()
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{
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return $this->morphMany(Tag::class, 'entity')->orderBy('order', 'asc');
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}
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/**
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* Get this entities restrictions.
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*/
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public function permissions()
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{
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return $this->morphMany(EntityPermission::class, 'restrictable');
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}
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/**
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* Check if this entity has a specific restriction set against it.
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* @param $role_id
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* @param $action
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* @return bool
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*/
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public function hasRestriction($role_id, $action)
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{
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return $this->permissions()->where('role_id', '=', $role_id)
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->where('action', '=', $action)->count() > 0;
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}
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/**
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* Check if this entity has live (active) restrictions in place.
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* @param $role_id
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* @param $action
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* @return bool
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*/
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public function hasActiveRestriction($role_id, $action)
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{
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return $this->getRawAttribute('restricted') && $this->hasRestriction($role_id, $action);
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}
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/**
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* Get the entity jointPermissions this is connected to.
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* @return \Illuminate\Database\Eloquent\Relations\MorphMany
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*/
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public function jointPermissions()
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{
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return $this->morphMany(JointPermission::class, 'entity');
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}
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/**
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* Allows checking of the exact class, Used to check entity type.
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* Cleaner method for is_a.
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* @param $type
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* @return bool
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*/
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public static function isA($type)
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{
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return static::getType() === strtolower($type);
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}
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/**
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* Get entity type.
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* @return mixed
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*/
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public static function getType()
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{
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return strtolower(static::getClassName());
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}
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/**
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* Get an instance of an entity of the given type.
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* @param $type
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* @return Entity
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*/
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public static function getEntityInstance($type)
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{
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$types = ['Page', 'Book', 'Chapter'];
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$className = str_replace([' ', '-', '_'], '', ucwords($type));
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if (!in_array($className, $types)) {
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return null;
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}
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return app('BookStack\\' . $className);
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}
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/**
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* Gets a limited-length version of the entities name.
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* @param int $length
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* @return string
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*/
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public function getShortName($length = 25)
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{
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if (strlen($this->name) <= $length) return $this->name;
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return substr($this->name, 0, $length - 3) . '...';
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}
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/**
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* Perform a full-text search on this entity.
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* @param string[] $fieldsToSearch
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* @param string[] $terms
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* @param string[] array $wheres
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* @return mixed
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*/
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public function fullTextSearchQuery($fieldsToSearch, $terms, $wheres = [])
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{
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$exactTerms = [];
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$fuzzyTerms = [];
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$search = static::newQuery();
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foreach ($terms as $key => $term) {
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$term = htmlentities($term, ENT_QUOTES);
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$term = preg_replace('/[+\-><\(\)~*\"@]+/', ' ', $term);
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if (preg_match('/".*?"/', $term) || is_numeric($term)) {
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$term = str_replace('"', '', $term);
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$exactTerms[] = '%' . $term . '%';
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} else {
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$term = '' . $term . '*';
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if ($term !== '*') $fuzzyTerms[] = $term;
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}
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}
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$isFuzzy = count($exactTerms) === 0 && count($fuzzyTerms) > 0;
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// Perform fulltext search if relevant terms exist.
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if ($isFuzzy) {
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$termString = implode(' ', $fuzzyTerms);
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$fields = implode(',', $fieldsToSearch);
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$search = $search->selectRaw('*, MATCH(name) AGAINST(? IN BOOLEAN MODE) AS title_relevance', [$termString]);
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$search = $search->whereRaw('MATCH(' . $fields . ') AGAINST(? IN BOOLEAN MODE)', [$termString]);
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}
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// Ensure at least one exact term matches if in search
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if (count($exactTerms) > 0) {
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$search = $search->where(function ($query) use ($exactTerms, $fieldsToSearch) {
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foreach ($exactTerms as $exactTerm) {
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foreach ($fieldsToSearch as $field) {
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$query->orWhere($field, 'like', $exactTerm);
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}
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}
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});
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}
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$orderBy = $isFuzzy ? 'title_relevance' : 'updated_at';
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// Add additional where terms
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foreach ($wheres as $whereTerm) {
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$search->where($whereTerm[0], $whereTerm[1], $whereTerm[2]);
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}
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// Load in relations
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if ($this->isA('page')) {
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$search = $search->with('book', 'chapter', 'createdBy', 'updatedBy');
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} else if ($this->isA('chapter')) {
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$search = $search->with('book');
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}
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return $search->orderBy($orderBy, 'desc');
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}
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}
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