Handle resources with missing containedInPlace

Check for situation and return empty array.
Do not create unnecessary requests to database but directly return.

Classes/Domain/Import/JsonLD/Parser.php

@@ -94,6 +94,10 @@ class Parser
             ];
         }
 
+        if (isset($jsonLD['schema:containedInPlace']) === false) {
+            return [];
+        }
+
         return array_map(function (array $place) {
             return $place['@id'];
         }, $jsonLD['schema:containedInPlace']);

Classes/Domain/Repository/Backend/TownRepository.php

@@ -46,6 +46,10 @@ class TownRepository extends Repository
 
     public function findOneByRemoteIds(array $remoteIds): ?Town
     {
+        if ($remoteIds === []) {
+            return null;
+        }
+
         $query = $this->createQuery();
 
         $query->in('remoteId', $remoteIds);

Tests/Unit/Domain/Import/JsonLD/ParserTest.php

@@ -211,6 +211,28 @@ class ParserTest extends TestCase
         ], $result);
     }
 
+    /**
+     * @test
+     */
+    public function returnsContainedInPlaceIdsForNoEntry(): void
+    {
+        $genericFields = $this->prophesize(GenericFields::class);
+        $openingHours = $this->prophesize(OpeningHours::class);
+        $address = $this->prophesize(Address::class);
+        $media = $this->prophesize(Media::class);
+
+        $subject = new Parser(
+            $genericFields->reveal(),
+            $openingHours->reveal(),
+            $address->reveal(),
+            $media->reveal()
+        );
+
+        $result = $subject->getContainedInPlaceIds([]);
+
+        self::assertSame([], $result);
+    }
+
     /**
      * @test
      */