Block enqueueing if the batch is finished

Author: jpcamara

app/models/solid_queue/job_batch.rb

@@ -71,6 +71,8 @@ def as_active_job(active_job_klass)
 
     # Instance-level enqueue
     def enqueue(attributes = {})
+      raise "You cannot enqueue a batch that is already finished" if finished?
+
       previous_batch_id = self.class.current_batch_id.presence || nil
 
       transaction do