class DemandeController extends Controller
{
    protected $demandeRepository;
    protected $demandeGestion;
    protected $compteRepository;

    protected $nbrPerPage = 4;

    public function search(SearchRequest $request)
    {
        $mc = $request->input('mc');
        $demandes = $this->demandeRepository->search($mc);
        $links = $demandes->render();
        $etape = $request->input('etape');
        return view('demandes.liste', compact('demandes', 'links'))->with('etape',$etape);
    }


public function update(DemandeRequest $request, $id)
    {
        $user = Auth::user();

        $inputs = $this->demandeGestion->get_inputs($request,$user);

        $demande=  $this->demandeRepository->update($id, $inputs);
        return redirect('demande')->withOk("Le dossier  " . $demande->objet . " a été modifié.");


        //return redirect('demandes.liste')->withOk("Le dossier  " . $request->input('objet') . " a été enregistrée.");
    }

    public function store(DemandeRequest $request)
    {
        $user = Auth::user();
        $inputs = array_merge($request->all(), ['user_id' => $user->id]);
        $demande = $this->demandeRepository->store($inputs);

        return redirect('demande')->withOk("Le dossier  " . $demande->objet . " a été créé.");
    }

public function store($inputs)
    {
        $demande = new $this->demande;
        $this->save($demande, $inputs);
        return $demande;
    }

private function save(Demande $demande, Array $inputs)

    {

        $demande->objet = $inputs['objet'];

        $demande->save();

    }

class Demande extends Model
{

    protected $fillable = ['objet','etude','user_id','role','mc','num_tf','val_exp','nom_exp','nom_gar'];

    public function user()
    {
        return $this->belongsTo('AppUser');
    }

}

class User extends Authenticatable
{
    use Notifiable;
    use AdldapUserModelTrait;

    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $fillable = [
        'name', 'username', 'password',
    ];

    /**
     * The attributes that should be hidden for arrays.
     *
     * @var array
     */
    protected $hidden = [
        'password', 'remember_token',
    ];
    public function demandes(){

        return $this->hasMany('AppDemande');
 }
}


My file DemandeRequest:

class DemandeRequest extends FormRequest
{
public function authorize()
    {
        return true;
    }

public function rules()
    {
        return [
            'objet' => 'required|max:80',
 ];
    }
}



 public function update(DemandeRequest $request, $id)
    {
            $user = Auth::user();

            $inputs = $this->demandeGestion->get_inputs($request,$user);

            $demande=  $this->demandeRepository->update($id, $inputs);
             return redirect('demande')->withOk("Le dossier  " . $demande->objet . " a été modifié.");


             //return redirect('demandes.liste')->withOk("Le dossier  " . $request->input('objet') . " a été enregistrée.");
    }


My class DemandeGestion

class DemandeGestion
{
    protected $demande;
    public function __construct(Demande $demande)
        {
            $this->demande = $demande;
        }

    public function get_inputs(DemandeRequest $request, User $user){
                if($user->role=='ETUDE'){
                        $inputs = array_merge($request->all(), ['user_id' => $user->id,'etat' => $user->role]);

                    }else{
                            $inputs = array_merge($request->all(), ['user_id' => $user->id]);
                        }
                        return $inputs;
    }
}

public function store($inputs)
{
    $demande = new $this->demande;
    $demande = $this->save($demande, $inputs);
    return $demande;
}

private function save(Demande $demande, Array $inputs)
{
    $demande->fill($inputs);
    $demande->save();
    return $demande;

}