fix: called-off dispositions no longer block teamers

src/Entity/Assignment.php

@@ -497,6 +497,24 @@ class Assignment implements BlameableEntityInterface, TimestampableEntityInterfa
         });
     }
 
+    /**
+     * Deliberately skips called-off dispositions: once a teamer has been called off - by themselves
+     * or by the office - the assignment is open for them again, so the teamer views have to offer
+     * the application instead of reporting them as staffed.
+     */
+    public function getActiveDispositionByTeamer(Teamer $teamer): ?Disposition
+    {
+        $dispositions = $this->getActiveDispositions()->filter(function (Disposition $disposition) use ($teamer) {
+            return $disposition->getTeamer() === $teamer;
+        });
+
+        if (0 === count($dispositions)) {
+            return null;
+        }
+
+        return $dispositions->first();
+    }
+
     public function getActiveDispositions(): Collection
     {
         return $this->dispositions->filter(function (Disposition $disposition) {