BookStack/app/Entity.php
2015-12-05 15:11:48 +00:00

160 lines
4.2 KiB
PHP

<?php
namespace BookStack;
use Illuminate\Database\Eloquent\Model;
abstract class Entity extends Model
{
/**
* Relation for the user that created this entity.
* @return \Illuminate\Database\Eloquent\Relations\BelongsTo
*/
public function createdBy()
{
return $this->belongsTo('BookStack\User', 'created_by');
}
/**
* Relation for the user that updated this entity.
* @return \Illuminate\Database\Eloquent\Relations\BelongsTo
*/
public function updatedBy()
{
return $this->belongsTo('BookStack\User', 'updated_by');
}
/**
* Compares this entity to another given entity.
* Matches by comparing class and id.
* @param $entity
* @return bool
*/
public function matches($entity)
{
return [get_class($this), $this->id] === [get_class($entity), $entity->id];
}
/**
* Checks if an entity matches or contains another given entity.
* @param Entity $entity
* @return bool
*/
public function matchesOrContains(Entity $entity)
{
$matches = [get_class($this), $this->id] === [get_class($entity), $entity->id];
if ($matches) return true;
if ($entity->isA('chapter') && $this->isA('book')) {
return $entity->book_id === $this->id;
}
if ($entity->isA('page') && $this->isA('book')) {
return $entity->book_id === $this->id;
}
if ($entity->isA('page') && $this->isA('chapter')) {
return $entity->chapter_id === $this->id;
}
return false;
}
/**
* Gets the activity objects for this entity.
* @return \Illuminate\Database\Eloquent\Relations\MorphMany
*/
public function activity()
{
return $this->morphMany('BookStack\Activity', 'entity')->orderBy('created_at', 'desc');
}
/**
* Get View objects for this entity.
* @return mixed
*/
public function views()
{
return $this->morphMany('BookStack\View', 'viewable');
}
/**
* Get just the views for the current user.
* @return mixed
*/
public function userViews()
{
return $this->views()->where('user_id', '=', auth()->user()->id);
}
/**
* Allows checking of the exact class, Used to check entity type.
* Cleaner method for is_a.
* @param $type
* @return bool
*/
public static function isA($type)
{
return static::getClassName() === strtolower($type);
}
/**
* Gets the class name.
* @return string
*/
public static function getClassName()
{
return strtolower(array_slice(explode('\\', static::class), -1, 1)[0]);
}
/**
*Gets a limited-length version of the entities name.
* @param int $length
* @return string
*/
public function getShortName($length = 25)
{
if(strlen($this->name) <= $length) return $this->name;
return substr($this->name, 0, $length-3) . '...';
}
/**
* Perform a full-text search on this entity.
* @param string[] $fieldsToSearch
* @param string[] $terms
* @param string[] array $wheres
* @return mixed
*/
public static function fullTextSearch($fieldsToSearch, $terms, $wheres = [])
{
$termString = '';
foreach ($terms as $term) {
$termString .= $term . '* ';
}
$fields = implode(',', $fieldsToSearch);
$termStringEscaped = \DB::connection()->getPdo()->quote($termString);
$search = static::addSelect(\DB::raw('*, MATCH(name) AGAINST('.$termStringEscaped.' IN BOOLEAN MODE) AS title_relevance'));
$search = $search->whereRaw('MATCH(' . $fields . ') AGAINST(? IN BOOLEAN MODE)', [$termString]);
// Add additional where terms
foreach ($wheres as $whereTerm) {
$search->where($whereTerm[0], $whereTerm[1], $whereTerm[2]);
}
// Load in relations
if (!static::isA('book')) $search = $search->with('book');
if (static::isA('page')) $search = $search->with('chapter');
return $search->orderBy('title_relevance', 'desc')->get();
}
/**
* Get the url for this item.
* @return string
*/
abstract public function getUrl();
}