для критики

CourseController.php

<?php

namespace App\Http\Controllers\moderator;


use App\Fasades\CourseFacade;
//use App\Providers\Lesson;
use Illuminate\Http\Request;
use App\Http\Controllers\Controller;

class CourseController extends Controller
{    //

    public function index()
    {
        $courses=new Course();
        $data['courses']=$courses->all()->toArray();
        return view('themes\sokol\moderator\courses',$data);
    }

    public function newcourse()
    {
        $segments = Course::getSegments();
        $data['segments']=$segments->toArray();
        return view('themes\sokol\moderator\newcourse',$data);
    }

    public function editcourse($course_id)
    {
        $course=Course::find($course_id);
        $segments = Course::getSegments();
        $data['id']=$course_id;
        $data['course']=$course->toArray();
        $data['segments']=$segments->toArray();
        $data['lessons']=$course->lessons->toArray();
        return view('themes\sokol\moderator\editcourse',$data);
    }

    public function savecourse(Request   $request)
    {
        $this->validate($request,[
            'semanticURL' => 'alpha_dash|required|min:3|unique:courses',
            'name' => 'required',
            'description' => 'required|min:5',
            'price' => 'required|integer',
            'segment' => 'required'
        ]);

        $course=new Course();
        $segments = $course::getSegments();
        $course->semanticURL = $request->semanticURL;
        $course->name = $request->name;
        $course->description  = $request->description;
        $course->price  = $request->price;

        if($segments->contains($request->segment)){
            $course->segment  = $request->segment;
        }
        $course->save();

        return redirect('/moderator/courses');
    }
    public function updatecourse(Request   $request, $course_id)
    {
        $this->validate($request,[
            'semanticURL' => 'alpha_dash|required|min:3',
            'name' => 'required',
            'description' => 'required|min:5',
            'price' => 'required|integer',
            'segment' => 'required'
        ]);

        $course=Course::find($course_id);
        $segments = $course::getSegments();
        $course->semanticURL = $request->semanticURL;
        $course->name = $request->name;
        $course->description  = $request->description;
        $course->price  = $request->price;

        if($segments->contains($request->segment)){
            $course->segment = $request->segment;
        }
        $course->save();

        return redirect('/moderator/courses');
    }
    public function deletecourse($course_id)
    {
        $course=Course::find($course_id);
        $course->delete();

        return redirect('/moderator/courses');
    }

}