feat: display assignments' dispositions and applications status in list

src/Entity/Assignment.php

@@ -463,4 +463,21 @@ class Assignment implements BlameableEntityInterface, TimestampableEntityInterfa
 
         return $this;
     }
+
+    public function isStaffed(): bool
+    {
+        return $this->availableDispositions === $this->dispositions->count();
+    }
+
+    public function isPartlyStaffed(): bool
+    {
+        return $this->availableDispositions > $this->dispositions->count()
+            && 0 === $this->applications->count();
+    }
+
+    public function isInProgress(): bool
+    {
+        return $this->availableDispositions > $this->dispositions->count()
+            && 0 < $this->applications->count();
+    }
 }