BookStack/app/Entities/Models/Entity.php
Dan Brown b866dee0cf
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Entities: Updated repos to act on refreshed clones
Changes to core entity models are now done on clones to ensure clean
state before save, and those clones are returned back if changes are
needed after that action.
2025-09-24 18:19:16 +01:00

413 lines
11 KiB
PHP

<?php
namespace BookStack\Entities\Models;
use BookStack\Activity\Models\Activity;
use BookStack\Activity\Models\Comment;
use BookStack\Activity\Models\Favouritable;
use BookStack\Activity\Models\Favourite;
use BookStack\Activity\Models\Loggable;
use BookStack\Activity\Models\Tag;
use BookStack\Activity\Models\View;
use BookStack\Activity\Models\Viewable;
use BookStack\Activity\Models\Watch;
use BookStack\App\Model;
use BookStack\App\SluggableInterface;
use BookStack\Entities\Tools\SlugGenerator;
use BookStack\Permissions\JointPermissionBuilder;
use BookStack\Permissions\Models\EntityPermission;
use BookStack\Permissions\Models\JointPermission;
use BookStack\Permissions\PermissionApplicator;
use BookStack\References\Reference;
use BookStack\Search\SearchIndex;
use BookStack\Search\SearchTerm;
use BookStack\Users\Models\HasCreatorAndUpdater;
use BookStack\Users\Models\OwnableInterface;
use BookStack\Users\Models\User;
use Carbon\Carbon;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasOne;
use Illuminate\Database\Eloquent\Relations\MorphMany;
use Illuminate\Database\Eloquent\SoftDeletes;
/**
* Class Entity
* The base class for book-like items such as pages, chapters & books.
* This is not a database model in itself but extended.
*
* @property int $id
* @property string $name
* @property string $slug
* @property Carbon $created_at
* @property Carbon $updated_at
* @property Carbon $deleted_at
* @property int $created_by
* @property int $updated_by
* @property int $owned_by
* @property Collection $tags
*
* @property ?EntityContainerData $containerData
*
* @method static Entity|Builder visible()
* @method static Builder withLastView()
* @method static Builder withViewCount()
*/
abstract class Entity extends Model implements
SluggableInterface,
Favouritable,
Viewable,
DeletableInterface,
OwnableInterface,
Loggable
{
use SoftDeletes;
use HasCreatorAndUpdater;
/**
* @var string - Name of property where the main text content is found
*/
public string $textField = 'description';
/**
* @var string - Name of the property where the main HTML content is found
*/
public string $htmlField = 'description_html';
/**
* @var float - Multiplier for search indexing.
*/
public float $searchFactor = 1.0;
/**
* Set the table to be that used by all entities.
*/
protected $table = 'entities';
/**
* Set global scopes to limit queries down to just the right type of entity.
*/
protected static function booted(): void
{
static::addGlobalScope('entity', new EntityScope());
}
public function shouldHaveContainerData(): bool
{
return $this instanceof Bookshelf ||
$this instanceof Book ||
$this instanceof Chapter;
}
/**
* Get the container-specific data for this item.
*/
public function containerData(): HasOne
{
return $this->hasOne(EntityContainerData::class, 'id', 'entity_id')
->where('entity_type', '=', $this->getMorphClass());
}
/**
* Get the entities that are visible to the current user.
*/
public function scopeVisible(Builder $query): Builder
{
return app()->make(PermissionApplicator::class)->restrictEntityQuery($query);
}
/**
* Query scope to get the last view from the current user.
*/
public function scopeWithLastView(Builder $query)
{
$viewedAtQuery = View::query()->select('updated_at')
->whereColumn('viewable_id', '=', $this->getTable() . '.id')
->where('viewable_type', '=', $this->getMorphClass())
->where('user_id', '=', user()->id)
->take(1);
return $query->addSelect(['last_viewed_at' => $viewedAtQuery]);
}
/**
* Query scope to get the total view count of the entities.
*/
public function scopeWithViewCount(Builder $query)
{
$viewCountQuery = View::query()->selectRaw('SUM(views) as view_count')
->whereColumn('viewable_id', '=', $this->getTable() . '.id')
->where('viewable_type', '=', $this->getMorphClass())->take(1);
$query->addSelect(['view_count' => $viewCountQuery]);
}
/**
* Compares this entity to another given entity.
* Matches by comparing class and id.
*/
public function matches(self $entity): bool
{
return [get_class($this), $this->id] === [get_class($entity), $entity->id];
}
/**
* Checks if the current entity matches or contains the given.
*/
public function matchesOrContains(self $entity): bool
{
if ($this->matches($entity)) {
return true;
}
if (($entity instanceof BookChild) && $this instanceof Book) {
return $entity->book_id === $this->id;
}
if ($entity instanceof Page && $this instanceof Chapter) {
return $entity->chapter_id === $this->id;
}
return false;
}
/**
* Gets the activity objects for this entity.
*/
public function activity(): MorphMany
{
return $this->morphMany(Activity::class, 'loggable')
->orderBy('created_at', 'desc');
}
/**
* Get View objects for this entity.
*/
public function views(): MorphMany
{
return $this->morphMany(View::class, 'viewable');
}
/**
* Get the Tag models that have been user assigned to this entity.
*/
public function tags(): MorphMany
{
return $this->morphMany(Tag::class, 'entity')->orderBy('order', 'asc');
}
/**
* Get the comments for an entity.
*/
public function comments(bool $orderByCreated = true): MorphMany
{
$query = $this->morphMany(Comment::class, 'entity');
return $orderByCreated ? $query->orderBy('created_at', 'asc') : $query;
}
/**
* Get the related search terms.
*/
public function searchTerms(): MorphMany
{
return $this->morphMany(SearchTerm::class, 'entity');
}
/**
* Get this entities restrictions.
*/
public function permissions(): MorphMany
{
return $this->morphMany(EntityPermission::class, 'entity');
}
/**
* Check if this entity has a specific restriction set against it.
*/
public function hasPermissions(): bool
{
return $this->permissions()->count() > 0;
}
/**
* Get the entity jointPermissions this is connected to.
*/
public function jointPermissions(): MorphMany
{
return $this->morphMany(JointPermission::class, 'entity');
}
/**
* Get the user who owns this entity.
* @return BelongsTo<User, $this>
*/
public function ownedBy(): BelongsTo
{
return $this->belongsTo(User::class, 'owned_by');
}
public function getOwnerFieldName(): string
{
return 'owned_by';
}
/**
* Get the related delete records for this entity.
*/
public function deletions(): MorphMany
{
return $this->morphMany(Deletion::class, 'deletable');
}
/**
* Get the references pointing from this entity to other items.
*/
public function referencesFrom(): MorphMany
{
return $this->morphMany(Reference::class, 'from');
}
/**
* Get the references pointing to this entity from other items.
*/
public function referencesTo(): MorphMany
{
return $this->morphMany(Reference::class, 'to');
}
/**
* Check if this instance or class is a certain type of entity.
* Examples of $type are 'page', 'book', 'chapter'.
*
* @deprecated Use instanceof instead.
*/
public static function isA(string $type): bool
{
return static::getType() === strtolower($type);
}
/**
* Get the entity type as a simple lowercase word.
*/
public static function getType(): string
{
$className = array_slice(explode('\\', static::class), -1, 1)[0];
return strtolower($className);
}
/**
* Gets a limited-length version of the entities name.
*/
public function getShortName(int $length = 25): string
{
if (mb_strlen($this->name) <= $length) {
return $this->name;
}
return mb_substr($this->name, 0, $length - 3) . '...';
}
/**
* Get an excerpt of this entity's descriptive content to the specified length.
*/
public function getExcerpt(int $length = 100): string
{
$text = $this->{$this->textField} ?? '';
if (mb_strlen($text) > $length) {
$text = mb_substr($text, 0, $length - 3) . '...';
}
return trim($text);
}
/**
* Get the url of this entity.
*/
abstract public function getUrl(string $path = '/'): string;
/**
* Get the parent entity if existing.
* This is the "static" parent and does not include dynamic
* relations such as shelves to books.
*/
public function getParent(): ?self
{
if ($this instanceof Page) {
/** @var BelongsTo<Chapter|Book, Page> $builder */
$builder = $this->chapter_id ? $this->chapter() : $this->book();
return $builder->withTrashed()->first();
}
if ($this instanceof Chapter) {
/** @var BelongsTo<Book, Page> $builder */
$builder = $this->book();
return $builder->withTrashed()->first();
}
return null;
}
/**
* Rebuild the permissions for this entity.
*/
public function rebuildPermissions(): void
{
app()->make(JointPermissionBuilder::class)->rebuildForEntity(clone $this);
}
/**
* Index the current entity for search.
*/
public function indexForSearch(): void
{
app()->make(SearchIndex::class)->indexEntity(clone $this);
}
/**
* {@inheritdoc}
*/
public function refreshSlug(): string
{
$this->slug = app()->make(SlugGenerator::class)->generate($this, $this->name);
return $this->slug;
}
/**
* {@inheritdoc}
*/
public function favourites(): MorphMany
{
return $this->morphMany(Favourite::class, 'favouritable');
}
/**
* Check if the entity is a favourite of the current user.
*/
public function isFavourite(): bool
{
return $this->favourites()
->where('user_id', '=', user()->id)
->exists();
}
/**
* Get the related watches for this entity.
*/
public function watches(): MorphMany
{
return $this->morphMany(Watch::class, 'watchable');
}
/**
* {@inheritdoc}
*/
public function logDescriptor(): string
{
return "({$this->id}) {$this->name}";
}
}