137 lines
3.7 KiB
PHP
137 lines
3.7 KiB
PHP
<?php
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namespace BookStack;
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use Illuminate\Database\Eloquent\Model;
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abstract class Entity extends Model
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{
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use Ownable;
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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('BookStack\Activity', '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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* @return mixed
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*/
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public function views()
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{
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return $this->morphMany('BookStack\View', 'viewable');
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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::getClassName() === strtolower($type);
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}
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/**
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* Gets the class name.
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* @return string
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*/
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public static function getClassName()
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{
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return strtolower(array_slice(explode('\\', static::class), -1, 1)[0]);
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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 $wheres
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* @return mixed
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*/
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public static function fullTextSearchQuery($fieldsToSearch, $terms, $wheres = [])
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{
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foreach ($terms as $key => $term) {
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$term = htmlentities($term);
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if (preg_match('/\s/', $term)) {
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$term = '"' . $term . '"';
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}
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$terms[$key] = $term . '*';
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}
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$termString = "'" . implode(' ', $terms) . "'";
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$fields = implode(',', $fieldsToSearch);
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$termStringEscaped = \DB::connection()->getPdo()->quote($termString);
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$search = static::addSelect(\DB::raw('*, MATCH(name) AGAINST('.$termStringEscaped.' IN BOOLEAN MODE) AS title_relevance'));
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$search = $search->whereRaw('MATCH(' . $fields . ') AGAINST(? IN BOOLEAN MODE)', [$termString]);
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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], $whereTerm[2]);
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}
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// Load in relations
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if (static::isA('page')) {
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$search = $search->with('book', 'chapter', 'createdBy', 'updatedBy');
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} else if (static::isA('chapter')) {
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$search = $search->with('book');
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}
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return $search->orderBy('title_relevance', 'desc');
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}
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/**
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* Get the url for this item.
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* @return string
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*/
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abstract public function getUrl();
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}
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