Controller Cleanup + Interface

ProjectController.php

<?php

class ProjectController extends BaseController implements ProjectCreatorDelegate
{
    public function store()
    {
        $creator = new ProjectCreator($this);
        
        return $creator->create(Input::all());  
    }

    public function projectCreationFailed($errors)
    {
        return Redirect::back()->withInput()->withErrors($errors);
    }

    public function projectCreationSucceded()
    {
        return Redirect::route('projects.index');
    }
}

ProjectCreator.php

<?php

class ProjectCreator
{
    protected $delegate;

    public function __construct(ProjectCreatorDelegate $delegate)
    {
        $this->delegate = $delegate;
    }
    
    public function create($input)
    {
        $validation = Validator::make($input, ['name' => 'min:8']);
        
        if ( $validation->fails() ) {
            return $this->delegate->projectCreationFailed($validation->messages());
        }

        // do db stuff
        return $this->delegate->projectCreationSucceeded();
    }

ProjectCreatorDelegate.php

<?php

interface ProjectCreatorDelegate
{
    public function projectCreationFailed($errors);
    
    public function projectCreationSucceeded();
}