feat: teamer season disposition count in info modal

addresses #869dv94n4

src/Repository/DispositionRepository.php

@@ -144,6 +144,37 @@ class DispositionRepository extends ServiceEntityRepository
         ;
     }
 
+    /**
+     * The effective start date of every non-called-off disposition of a teamer, one row
+     * each, for the per-season tally in the info modal.
+     *
+     * Same teamer/called-off filtering as findRecentDispositionsByTeamer(), but unbounded
+     * and stripped to the one date it needs: assignment.dateFrom falling back to the
+     * destination's, the season convention shared with SeasonPeriodFilter.
+     *
+     * @return array<int, array{seasonDate: string}>
+     */
+    public function findDispositionSeasonDatesByTeamer(Teamer $teamer): array
+    {
+        $qb = $this->createQueryBuilder('disposition');
+
+        return $qb
+            ->select('COALESCE(assignment.dateFrom, destination.dateFrom) AS seasonDate')
+            ->innerJoin('disposition.assignment', 'assignment')
+            ->innerJoin('assignment.destination', 'destination')
+            ->where($qb->expr()->andX(
+                $qb->expr()->eq('disposition.teamer', ':teamer'),
+                $qb->expr()->neq('assignment.status', ':assignmentStatus'),
+                $qb->expr()->neq('disposition.status', ':dispositionStatus')
+            ))
+            ->setParameter('teamer', $teamer)
+            ->setParameter('assignmentStatus', Assignment::STATUS_CALLED_OFF)
+            ->setParameter('dispositionStatus', Disposition::STATUS_CALLED_OFF)
+            ->getQuery()
+            ->getScalarResult()
+        ;
+    }
+
     public function findCurrentDispositionsByTeamer(Teamer $teamer): array
     {
         $qb = $this->createQueryBuilder('disposition');