[TASK] #37 - Firstname/Lastname search in memberlist

Classes/Domain/Repository/MemberRepository.php

 <?php
 namespace T3o\T3oMembership\Domain\Repository;
 
+use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Extbase\Persistence\QueryInterface;
 use TYPO3\CMS\Extbase\Persistence\QueryResultInterface;
 
@@ -39,13 +40,23 @@ class MemberRepository extends \TYPO3\CMS\Extbase\Persistence\Repository
         $query = $this->createQuery();
         $constraints = [];
         if ($filterString) {
-            $constraints = $query->logicalOr(
-                [
+            $filterStringConstraints = [
                     $query->like('name', '%' . $filterString . '%'),
                     $query->like('firstname', '%' . $filterString . '%'),
                     $query->like('lastname', '%' . $filterString . '%'),
-                ]
-            );
+            ];
+
+            list($firstName, $lastName) = GeneralUtility::trimExplode(' ', $filterString);
+            if(strlen($firstName) > 0 && strlen($lastName) > 0){
+                $filterStringConstraints[] = $query->logicalAnd(
+                    [
+                        $query->like('firstname', '%' . $firstName . '%'),
+                        $query->like('lastname', '%' . $lastName . '%'),
+                    ]
+                );
+            }
+
+            $constraints[] = $query->logicalOr($filterStringConstraints);
         }
         if ($filterMembership) {
             $constraints[] = $query->equals('membership', $filterMembership);