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<?php
namespace Illuminate\Database\Eloquent;
/**
* @method static static|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder withTrashed(bool $withTrashed = true)
* @method static static|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder onlyTrashed()
* @method static static|\Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Query\Builder withoutTrashed()
*/
trait SoftDeletes
{
/**
* Indicates if the model is currently force deleting.
*
* @var bool
*/
protected $forceDeleting = false;
/**
* Boot the soft deleting trait for a model.
*
* @return void
*/
public static function bootSoftDeletes()
{
static::addGlobalScope(new SoftDeletingScope);
}
/**
* Initialize the soft deleting trait for an instance.
*
* @return void
*/
public function initializeSoftDeletes()
{
if (! isset($this->casts[$this->getDeletedAtColumn()])) {
$this->casts[$this->getDeletedAtColumn()] = 'datetime';
}
}
/**
* Force a hard delete on a soft deleted model.
*
* @return bool|null
*/
public function forceDelete()
{
$this->forceDeleting = true;
return tap($this->delete(), function ($deleted) {
$this->forceDeleting = false;
if ($deleted) {
$this->fireModelEvent('forceDeleted', false);
}
});
}
/**
* Perform the actual delete query on this model instance.
*
* @return mixed
*/
protected function performDeleteOnModel()
{
if ($this->forceDeleting) {
$this->exists = false;
return $this->setKeysForSaveQuery($this->newModelQuery())->forceDelete();
}
return $this->runSoftDelete();
}
/**
* Perform the actual delete query on this model instance.
*
* @return void
*/
protected function runSoftDelete()
{
$query = $this->setKeysForSaveQuery($this->newModelQuery());
$time = $this->freshTimestamp();
$columns = [$this->getDeletedAtColumn() => $this->fromDateTime($time)];
$this->{$this->getDeletedAtColumn()} = $time;
if ($this->timestamps && ! is_null($this->getUpdatedAtColumn())) {
$this->{$this->getUpdatedAtColumn()} = $time;
$columns[$this->getUpdatedAtColumn()] = $this->fromDateTime($time);
}
$query->update($columns);
$this->syncOriginalAttributes(array_keys($columns));
$this->fireModelEvent('trashed', false);
}
/**
* Restore a soft-deleted model instance.
*
* @return bool|null
*/
public function restore()
{
// If the restoring event does not return false, we will proceed with this
// restore operation. Otherwise, we bail out so the developer will stop
// the restore totally. We will clear the deleted timestamp and save.
if ($this->fireModelEvent('restoring') === false) {
return false;
}
$this->{$this->getDeletedAtColumn()} = null;
// Once we have saved the model, we will fire the "restored" event so this
// developer will do anything they need to after a restore operation is
// totally finished. Then we will return the result of the save call.
$this->exists = true;
$result = $this->save();
$this->fireModelEvent('restored', false);
return $result;
}
/**
* Determine if the model instance has been soft-deleted.
*
* @return bool
*/
public function trashed()
{
return ! is_null($this->{$this->getDeletedAtColumn()});
}
/**
* Register a "softDeleted" model event callback with the dispatcher.
*
* @param \Closure|string $callback
* @return void
*/
public static function softDeleted($callback)
{
static::registerModelEvent('trashed', $callback);
}
/**
* Register a "restoring" model event callback with the dispatcher.
*
* @param \Closure|string $callback
* @return void
*/
public static function restoring($callback)
{
static::registerModelEvent('restoring', $callback);
}
/**
* Register a "restored" model event callback with the dispatcher.
*
* @param \Closure|string $callback
* @return void
*/
public static function restored($callback)
{
static::registerModelEvent('restored', $callback);
}
/**
* Register a "forceDeleted" model event callback with the dispatcher.
*
* @param \Closure|string $callback
* @return void
*/
public static function forceDeleted($callback)
{
static::registerModelEvent('forceDeleted', $callback);
}
/**
* Determine if the model is currently force deleting.
*
* @return bool
*/
public function isForceDeleting()
{
return $this->forceDeleting;
}
/**
* Get the name of the "deleted at" column.
*
* @return string
*/
public function getDeletedAtColumn()
{
return defined('static::DELETED_AT') ? static::DELETED_AT : 'deleted_at';
}
/**
* Get the fully qualified "deleted at" column.
*
* @return string
*/
public function getQualifiedDeletedAtColumn()
{
return $this->qualifyColumn($this->getDeletedAtColumn());
}
}