leann/app/Http/Controllers/GrainController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Models\Grain;
use Illuminate\Support\Facades\DB;
class GrainController extends Controller
{
    public function __construct()
    {
        $this->middleware('auth');
    }


    public function index()
    {
        $grains = Grain::orderBy('name')->get();
        return view('grains.index')->with('grains', $grains);
    }

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

        // create project
        $grain = new Grain;
	      $lastID = Grain::orderBy('id','desc')->take(1)->value('id');
	      $grain->id = number_format($lastID) + 1;
        $grain->name = $request->input('name');
        if ($request->input('flavour'))
	      {
		          $grain->flavour = $request->input('flavour');
	      }
        if ($request->input('lintner'))
        {
		          $grain->lintner = $request->input('lintner');
	      }
        if ($request->input('winkol'))
        {
		          $grain->winkol = $request->input('winkol');
	      }
        if ($request->input('lovibond'))
        {
		          $grain->lovibond = $request->input('lovibond');
	      }
        if ($request->input('colour'))
        {
		          $grain->colour = $request->input('colour');
	      }
        if ($request->input('alternative'))
        {
		          $altArr = array_map('intval',explode(',',$request->input('alternative')));
		          $grain->alternative = $altArr;
	      }
        if ($request->input('ebc'))
        {
		          $grain->ebc = $request->input('ebc');
        }
	      $grain->save();

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

    public function edit($id){
        $grain = Grain::where('id', (int)$id)->first();
        return view('grains.edit')->with('grain', $grain);
    }

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

        $grain = Grain::where('id', (int)$id)->first();
        $grain->name = $request->input('name');
        if ($request->input('flavour'))
        {
              $grain->flavour = $request->input('flavour');
        }
        if ($request->input('lintner'))
        {
              $grain->lintner = $request->input('lintner');
        }
        if ($request->input('winkol'))
        {
              $grain->winkol = $request->input('winkol');
        }
        if ($request->input('lovibond'))
        {
              $grain->lovibond = $request->input('lovibond');
        }
        if ($request->input('colour'))
        {
              $grain->colour = $request->input('colour');
        }
        if ($request->input('alternative'))
        {
              $altArr = array_map('intval',explode(',',$request->input('alternative')));
              $grain->alternative = $altArr;
        }
        if ($request->input('ebc'))
        {
              $grain->ebc = $request->input('ebc');
        }
        $grain->save();

        return redirect('/grains')->with('success', 'Grain Updated!');
    }
    public function create()
    {
        return view('grains.create');
    }
    public function destroy($id)
    {
        $grain = Grain::find($id);
        $grain->delete();

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

}