QuoteController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

// use App\Http\Requests;

use App\AuthorModel;
use App\QuoteModel;

class QuoteController extends Controller
{
    public function getIndex()
    {
        $quotes = QuoteModel::all();
        return view('index' ,[
            'quotes' => $quotes
        ]);

    }

    public function postQuote(Request $request)
    {
        $authorText = ucfirst($request['author']);
        $quoteText = $request['quote'];

        $theAuthor = AuthorModel::where('name', $authorText)->first();
        if(!$theAuthor){
            $theAuthor = new AuthorModel();
            $theAuthor->name = $authorText;
            $theAuthor->save();
        }
        $theQuote = new QuoteModel();
        $theQuote->quote = $quoteText;
        $theAuthor->quotes()->save($theQuote);

        return redirect()->route('index')->with([
            'success' => 'Quote saved!'
        ]);

    }
}