chg: usr: re-implement the waiting for opponent dialog - refactor its gfx - & add online user selection dialog #4

src/Repository/PlayedGameRepository.php

@@ -11,6 +11,7 @@
 namespace App\Repository;
 
 use App\Entity\PlayedGame;
+use DateTime;
 use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
 use Doctrine\Persistence\ManagerRegistry;
 
@@ -41,4 +42,24 @@ class PlayedGameRepository extends ServiceEntityRepository
     {
         parent::__construct($registry, PlayedGame::class);
     }
+
+    public function findWaitingGames(int $limit = 20): array
+    {
+        // Any legitimately waiting game was updated within the last 10 minutes.
+        // Abandoned games are stamped with updated = 2000-01-01, so they fail this filter.
+        $cutoff = new DateTime('-10 minutes');
+
+        return $this->createQueryBuilder('p')
+            ->where('p.resign IS NULL')
+            ->andWhere('p.updated > :cutoff')
+            ->andWhere(
+                '(p.red IS NOT NULL OR p.redAnon IS NOT NULL) AND (p.blue IS NULL AND p.blueAnon IS NULL)
+                 OR (p.blue IS NOT NULL OR p.blueAnon IS NOT NULL) AND (p.red IS NULL AND p.redAnon IS NULL)'
+            )
+            ->orderBy('p.updated', 'DESC')
+            ->setParameter('cutoff', $cutoff)
+            ->setMaxResults($limit)
+            ->getQuery()
+            ->getResult();
+    }
 }