<?php

namespace App\Http\Middleware;

use App\Helpers\MiscHelper;
use Closure;
use Illuminate\Http\Request;

class CheckMaxPostSizeExceeded
{
    protected $exclude = [
        '/admin/photos/analyse/*',
        '/admin/photos/regenerate-thumbnails/*'
    ];

    public function handle(Request $request, Closure $next)
    {
        if ($request->method() == 'POST' && !$this->shouldExclude($request))
        {
            // Check post limit and see if it may have been exceeded
            $postLimit = MiscHelper::convertToBytes(ini_get('post_max_size'));

            if (
                (isset($_SERVER['CONTENT_LENGTH']) && $_SERVER['CONTENT_LENGTH'] > $postLimit) ||
                (empty($_POST) && empty($_REQUEST))
            )
            {
                $request->session()->flash('error', trans('global.post_max_exceeded'));
                return back();
            }
        }

        return $next($request);
    }

    protected function shouldExclude(Request $request)
    {
        foreach ($this->exclude as $exclude)
        {
            if ($exclude !== '/') {
                $exclude = trim($exclude, '/');
            }

            if ($request->is($exclude)) {
                return true;
            }
        }

        return false;
    }
}