cacheApiMidlware.php

<?php

namespace App\Http\Middleware;

use Cache;
use Closure;
use Predis\Response\ServerException;

class CacheApiMiddleware
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request $request
     * @param  \Closure                 $next
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        if (($request->is('v1/*') || $request->is('v2/*'))
            && $request->isMethod('get')
            && env('APP_ENV', 'production') !== 'local'
        ) {

            //generate key from url and check for cache
            $key = str_slug($request->fullUrl());
            $tags = $request->segments();

            if (Cache::tags($tags)->has($key)) {
                //there is cache, return it
                return response(Cache::tags($tags)->get($key), 200, ['Content-Type' => 'application/json; charset=utf-8']);
            }

        }
        return $next($request);
    }

    public function terminate($request, $response)
    {
        // get cache tags and remove them

        if (($request->is('v1/*') || $request->is('v2/*'))
            && $request->isMethod('get')
            && $response->getStatusCode() === 200
            && env('APP_ENV', 'production') !== 'local'
        ) {

            $key = str_slug($request->fullUrl());

            try {
                Cache::tags($request->segments())->put($key, $response->getContent(), 10); //10min
            } catch (ServerException $e) {
                Cache::flush();
            }

        }
    }
}