wip: initial commit

src/BusProNet/DataLoader/HotelDataLoader.php

@@ -0,0 +1,75 @@
+<?php
+
+namespace App\BusProNet\DataLoader;
+
+use App\BusProNet\Model\Hotel;
+use Psr\Cache\InvalidArgumentException;
+use Symfony\Contracts\Cache\ItemInterface;
+
+class HotelDataLoader extends AbstractDataLoader
+{
+    public function loadAll(?string $filename = 'hotel.xml'): array
+    {
+        try {
+            return $this->cache->get('bpn_hotels', function (ItemInterface $item) use ($filename) {
+                $item->expiresAfter(3600);
+
+                $xml = $this->loadXml($filename);
+
+                $hotels = [];
+
+                foreach ($xml->hotel as $hotel) {
+                    $id = (int)$hotel->attributes()['idbuspro'];
+                    $hotels[$id] = $this->parseXml($hotel);
+                }
+
+                return $hotels;
+            });
+        } catch (InvalidArgumentException $e) {
+            return [];
+        }
+    }
+
+    public function loadById(int $id, ?string $filename = 'hotel.xml'): ?Hotel
+    {
+        $hotels = $this->loadAll($filename);
+
+        return $hotels[$id] ?? null;
+    }
+
+    public function loadByCode(string $code, ?string $filename = 'hotel.xml'): ?Hotel
+    {
+        $hotels = $this->loadAll($filename);
+
+        foreach ($hotels as $hotel) {
+            if ($code === $hotel->code) {
+                return $hotel;
+            }
+        }
+
+        return null;
+    }
+
+    private function loadXml(?string $filename = 'hotel.xml'): \SimpleXMLElement
+    {
+        $filepath = $this->xmlPath.'/'.$filename;
+
+        return simplexml_load_file($filepath);
+    }
+
+    public function parseXml(\SimpleXMLElement $xml): Hotel
+    {
+        $attributes = $xml->attributes();
+
+        $hotel = new Hotel();
+        $hotel->id = (int) $attributes['idbuspro'];
+        $hotel->code = (string) $attributes['code'];
+        $hotel->name = (string) $xml->name;
+        $hotel->city = $xml->ort ? (string) $xml->ort : null;
+        $hotel->country = (string) $xml->land;
+        $hotel->street = (string) $xml->strasse;
+        $hotel->phone = $xml->telefon ? (string) $xml->telefon : null;
+
+        return $hotel;
+    }
+}