first impl

src/Bundle/ChillPersonBundle/Entity/Person.php

@@ -417,6 +417,31 @@ class Person implements HasCenterInterface
         return $this->accompanyingPeriodParticipations;
     }
 
+    /** 
+     * Return a collection of participation, where the participation
+     * is still opened, not a draft, and the period is still opened
+     */
+    public function getOpenedParticipations(): Collection
+    {
+        // create a criteria for filtering easily
+        $criteria = Criteria::create();
+        $criteria
+            ->andWhere(Criteria::expr()->eq('endDate', NULL))
+            ->orWhere(Criteria::expr()->gt('endDate', new \DateTime('now')))
+            ;
+
+        return $this->getAccompanyingPeriodParticipations()
+            ->matching($criteria)
+            ->filter(function (AccompanyingPeriodParticipation $app) {
+                $period = $app->getAccompanyingPeriod();
+                return (
+                        NULL === $period->getClosingDate() 
+                            || new \DateTime('now') < $period->getClosingDate()
+                    ) 
+                    && AccompanyingPeriod::STEP_DRAFT !== $period->getStep();
+            });
+    }
+
     /**
      * Get the accompanying periods of a give person with the chronological order.
      */