tethys/app/Http/Controllers/ShelfController.php

<?php
namespace App\Http\Controllers;

use App\Http\Requests;
use App\Http\Controllers\Controller;
use App\Shelf;
use App\Http\Requests\ShelfRequest;
use Illuminate\Http\Request;

class ShelfController extends Controller
{

    public function __construct()
    {
        $this->middleware('auth');
    }

    public function index()
    {
        $shelves = Shelf::get();
        return view('lms.settings.shelf.shelf', compact('shelves'));
    }

    public function add()
    {
        return view('lms.settings.shelf.add');
    }

    public function store(ShelfRequest $request)
    {
        $input = $request->all();

        $shelf = Shelf::create($input);

        //flash messaging
        session()->flash('flash_message', 'You have been added 1 shelf!');

        return redirect()->route('settings.shelf');
    }

    public function edit($id)
    {
        $shelf = Shelf::findOrFail($id);
        return view('lms.settings.shelf.edit', compact('shelf'));
    }

    public function update($id, ShelfRequest $request)
    {
        $shelf = Shelf::findOrFail($id);

        $input = $request->all();

        $shelf->update($input);

        session()->flash('flash_message', 'You have been updated 1 shelf!');

        return redirect()->route('settings.shelf');
    }

    public function delete($id)
    {
        $shelf = Shelf::findOrFail($id);

        $shelf->delete();

        session()->flash('flash_message', 'You have been deleted 1 shelf!');

        return redirect()->route('settings.shelf');
    }
}