BookStack/app/Entities/Models/PageRevision.php

93 lines
2.1 KiB
PHP

<?php
namespace BookStack\Entities\Models;
use BookStack\Auth\User;
use BookStack\Model;
use Carbon\Carbon;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
/**
* Class PageRevision.
*
* @property int $page_id
* @property string $slug
* @property string $book_slug
* @property int $created_by
* @property Carbon $created_at
* @property Carbon $updated_at
* @property string $type
* @property string $summary
* @property string $markdown
* @property string $html
* @property int $revision_number
* @property Page $page
* @property-read ?User $createdBy
*/
class PageRevision extends Model
{
protected $fillable = ['name', 'html', 'text', 'markdown', 'summary'];
/**
* Get the user that created the page revision.
*/
public function createdBy(): BelongsTo
{
return $this->belongsTo(User::class, 'created_by');
}
/**
* Get the page this revision originates from.
*/
public function page(): BelongsTo
{
return $this->belongsTo(Page::class);
}
/**
* Get the url for this revision.
*
* @param null|string $path
*
* @return string
*/
public function getUrl($path = null)
{
$url = $this->page->getUrl() . '/revisions/' . $this->id;
if ($path) {
return $url . '/' . trim($path, '/');
}
return $url;
}
/**
* Get the previous revision for the same page if existing.
*
* @return \BookStack\Entities\PageRevision|null
*/
public function getPrevious()
{
$id = static::newQuery()->where('page_id', '=', $this->page_id)
->where('id', '<', $this->id)
->max('id');
if ($id) {
return static::query()->find($id);
}
return null;
}
/**
* Allows checking of the exact class, Used to check entity type.
* Included here to align with entities in similar use cases.
* (Yup, Bit of an awkward hack).
*
* @deprecated Use instanceof instead.
*/
public static function isA(string $type): bool
{
return $type === 'revision';
}
}