Code Sample from Envago.io

LikeController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Activity;
use App\Like;
use Auth;
use App\Http\Resources\Like as LikeResource;

class LikeController extends Controller
{
    /**
     * Store a newly created like in storage. Also return updated likes.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
	public function postLike(Request $request)
	{
		$slug = $request->get('slug');
		$id = Auth::id();
		// Pull activity to like
		$activity = Activity::where('slug', $slug)->first();
		if ($activity) {
			if ($id) {
				$like = Like::where([['activity_id', $activity->id], ['user_id', $id]])->first();
			} else {
				$like = Like::where([['activity_id', $activity->id], ['ip', $request->ip()]])->first();
			}
			if ($like) {
				$like->like = !$like->like;
				$like->ip = $request->ip();
				$like->save();
			} else {
				$like = new Like;
				$like->user_id = $id ? $id : null;
				$like->activity_id = $activity->id;
				$like->logged_in_status = $id ? true : false;
				$like->ip = $request->ip();
				$like->like = true;
				$like->save();
			}
			return response()->json(['count'  =>  $activity->likes()->where('like', true)->count()], 200);
		} else {
			return response()->json(false);
		}
	}

    /**
     * Display all like for admin analytics.
     *
     * @return \Illuminate\Http\Response
     */
	public function index()
	{	
		$likes = Like::all();
		return LikeResource::collection($likes);
	}
}