leann/app/Http/Controllers/GrainbillController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Models\Grainbill;

class GrainbillController extends Controller
{
    public function __construct()
    {
        $this->middleware('auth');
    }

    public function index()
    {
        $project = Grainbill::get();
        return view('grainbills')->with('grainbills', $project);
    }


   public function store(Request $request){
        // validation
        $this->validate($request,[
            'beer_id' => 'required',
	    'grain_id' => 'required',
	    'amount' => 'required',
	    'grain_bill' => 'required',
        ]);


        // create project
        $grain = new Grainbill;
        $lastID = Grainbill::orderBy('id','desc')->value('id');
        $grain->id = number_format($lastID) + 1;
        $grain->beer_id = $request->input('beer_id');
        $grain->grain_id = $request->input('grain_id');
        $grain->amount = $request->input('amount');
        $grain->grain_bill = $request->input('grain_bill');
        $grain->save();

        return redirect('/grainbills')->with('success', 'Grain Bill Added');
    }


}