leann/app/Http/Controllers/GrainbillController.php

<?php

namespace App\Http\Controllers;

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

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

    public function index()
    {
        $grainbills = Grainbill::get();
        foreach ($grainbills as $grainbill)
        {
            $beername = Summarie::where('beer_id', $grainbill->beer_id)->value('name');
            $grainname = Grain::where('id', $grainbill->grain_id)->value('name');
            $grainbill['beer'] = $beername;
            $grainbill['name'] = $grainname;
        }
        return view('grainbills.index')->with('grainbills', $grainbills);
    }


   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')->take(1)->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');
    }
    public function edit($id){
        $grainbill = Grainbill::where('id', (int)$id)->first();
        $beers = Summarie::orderBy('name')->get();
        $selected_beer = $grainbill->beer_id;
        $grains = Grain::orderBy('name')->get();
        $selected_grain = $grainbill->grain_id;
        $data = array('grainbill'=>$grainbill, 'beers'=>$beers, 'grains'=>$grains, 'selected_beer'=>$selected_beer, 'selected_grain'=>$selected_grain);
        return view('grainbills.edit')->with($data);
    }

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

        $grain = Grainbill::where('id', (int)$id)->first();
        $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 Updated!');
    }
    public function create()
    {
        $beers = Summarie::orderBy('name')->get();
        $grains = Grain::orderBy('name')->get();
        $data = array('beers'=>$beers, 'grains'=>$grains);
        return view('grainbills.create')->with($data);
    }
    public function destroy($id)
    {
        $grainbill = Grainbill::find($id);
        $grainbill->delete();

        return redirect('/grainbills')->with('success', 'Grain deleted!');
    }

}