Merge commit '1392bd3a96045302b60d845a90901a4b2234c475' as 'seatmap-webapi'

seatmap-webapi/src/Tqdev/PhpCrudApi/Middleware/Base/Middleware.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Tqdev\PhpCrudApi\Middleware\Base;
+
+use Psr\Http\Server\MiddlewareInterface;
+use Tqdev\PhpCrudApi\Controller\Responder;
+use Tqdev\PhpCrudApi\Middleware\Router\Router;
+
+abstract class Middleware implements MiddlewareInterface
+{
+    protected $next;
+    protected $responder;
+    private $properties;
+
+    public function __construct(Router $router, Responder $responder, array $properties)
+    {
+        $router->load($this);
+        $this->responder = $responder;
+        $this->properties = $properties;
+    }
+
+    protected function getArrayProperty(string $key, string $default): array
+    {
+        return array_filter(array_map('trim', explode(',', $this->getProperty($key, $default))));
+    }
+
+    protected function getMapProperty(string $key, string $default): array
+    {
+        $pairs = $this->getArrayProperty($key, $default);
+        $result = array();
+        foreach ($pairs as $pair) {
+            if (strpos($pair, ':')) {
+                list($k, $v) = explode(':', $pair, 2);
+                $result[trim($k)] = trim($v);
+            } else {
+                $result[] = trim($pair);
+            }
+        }
+        return $result;
+    }
+
+    protected function getProperty(string $key, $default)
+    {
+        return isset($this->properties[$key]) ? $this->properties[$key] : $default;
+    }
+}