PHP code example of kerwin-cn / laravel-optimistic-locking

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

kerwin-cn / laravel-optimistic-locking example snippets

class BlogPost extends Model {
    use OptimisticLocking;
}

$schema->integer('lock_version')->unsigned()->nullable();

\Reshadman\OptimisticLocking\StaleModelLockingException::class;

// Explicitly setting the lock version
class PostController {
    public function update($id)
    {
        $post = Post::findOrFail($id);
        $post->lock_version = request('lock_version');
        $post->save();
        // You can also define more implicit reusable methods in your model like Model::saveWithVersion(...$args); 
        // or just override the default Model::save(...$args); method which accepts $options
        // Then automatically read the lock version from Request and set into the model.
    }
}

$blogPost->disableLocking();
$blogPost->enableLocking();

class BlogPost extends \Illuminate\Database\Eloquent\Model 
{
    use \Reshadman\OptimisticLocking\OptimisticLocking;
    
    protected $lock = false;
}

class BlogPost extends \Illuminate\Database\Eloquent\Model
{
    use \Reshadman\OptimisticLocking\OptimisticLocking;
    
    /**
     * Name of the lock version column.
     *
     * @return string
     */
    protected static function lockVersionColumn()
    {
        return 'track_version';
    }
}

$query->where('id', $this->id)
    ->where('lock_version', $this->lock_version)
    ->update($changes);