new system-config to prevent overlapping records (#1720)

src/Repository/ConfigurationRepository.php

@@ -20,9 +20,10 @@ class ConfigurationRepository extends EntityRepository implements ConfigLoaderIn
     private static $cacheByPrefix = null;
     private static $cacheAll = [];
 
-    private function clearCache()
+    public function clearCache()
     {
         static::$cacheByPrefix = null;
+        static::$cacheAll = null;
     }
 
     private function prefillCache()
@@ -44,6 +45,14 @@ class ConfigurationRepository extends EntityRepository implements ConfigLoaderIn
         }
     }
 
+    public function saveConfiguration(Configuration $configuration)
+    {
+        $entityManager = $this->getEntityManager();
+        $entityManager->persist($configuration);
+        $entityManager->flush();
+        $this->clearCache();
+    }
+
     /**
      * @param string $prefix
      * @return Configuration[]

src/Repository/TimesheetRepository.php

@@ -939,4 +939,33 @@ class TimesheetRepository extends EntityRepository
 
         return $results;
     }
+
+    public function hasRecordForTime(Timesheet $timesheet): bool
+    {
+        $qb = $this->getEntityManager()->createQueryBuilder();
+
+        $or = $qb->expr()->orX(
+            $qb->expr()->between(':begin', 't.begin', 't.end')
+        );
+
+        if (null !== $timesheet->getEnd()) {
+            $or->add($qb->expr()->between(':end', 't.begin', 't.end'));
+            $or->add($qb->expr()->between('t.begin', ':begin', ':end'));
+            $or->add($qb->expr()->between('t.end', ':begin', ':end'));
+            $qb->setParameter('end', $timesheet->getEnd());
+        }
+
+        $qb->select('t')
+            ->from(Timesheet::class, 't')
+            ->andWhere($qb->expr()->eq('t.user', ':user'))
+            ->andWhere($qb->expr()->isNotNull('t.end'))
+            ->andWhere($or)
+            ->setParameter('begin', $timesheet->getBegin())
+            ->setParameter('user', $timesheet->getUser())
+        ;
+
+        $result = $qb->getQuery()->getResult();
+
+        return !empty($result);
+    }
 }