Primera parte de inicio

common/Middleware/Visits.php

@@ -0,0 +1,56 @@
+<?php
+namespace ProVM\KI\Common\Middleware;
+
+use Psr\Http\Message\ServerRequestInterface as Request;
+use Psr\Http\Server\RequestHandlerInterface as Handler;
+use Psr\Http\Message\ResponseInterface as Response;
+use Carbon\Carbon;
+
+class Visits {
+  protected $filename;
+  protected $time;
+  public function __construct(string $filename, int $visit_time) {
+    $this->filename = $filename;
+    $this->time = $visit_time;
+  }
+  public function __invoke(Request $request, Handler $handler): Response {
+    $params = $request->getServerParams();
+    $ip = $params['REMOTE_ADDR'];
+    $fwd = 0;
+    $login = Carbon::now();
+    if (isset($params['HTTP_X_FORWARDED_FOR'])) {
+      $fwd = $params['HTTP_X_FORWARDED_FOR'];
+    }
+    if (!file_exists($this->filename)) {
+      $file = (object) [
+        'visits' => 0,
+        'ips' => []
+      ];
+    } else {
+      $file = json_decode(trim(file_get_contents($this->filename)));
+    }
+    $found = false;
+    foreach ($file->ips as $i => $ipd) {
+      if ($ipd->ip == $ip and $ipd->fwd == $fwd) {
+        $t = Carbon::parse($ipd->time);
+        if ($t->diffInSeconds($login) > $this->time) {
+          $file->ips[$i]->time = $t->format('Y-m-d H:i:s');
+          $file->visits ++;
+        }
+        $found = true;
+        break;
+      }
+    }
+    if (!$found) {
+      $file->ips []= (object) [
+        'ip' => $ip,
+        'fwd' => $fwd,
+        'time' => $login->format('Y-m-d H:i:s')
+      ];
+      $file->visits ++;
+    }
+    file_put_contents($this->filename, json_encode($file, \JSON_PRETTY_PRINT));
+    $response = $handler->handle($request);
+    return $response;
+  }
+}