Merge pull request #131 in RMS/api-main-service from gladys-dev2 to RMSv2

* commit 'cd98baab':
  updated DB
  update submit

app/applicationlayer/cms/utils_cr.py

@@ -396,6 +396,23 @@ def cancel_overdue(request):
     return True
 
 
+def get_max_batchno(request):
+    try:
+        max_id = models.ChangeRequestHistory.objects.all(
+            ).order_by("-batch_no")[0]
+
+        if max_id:
+            max_batch = max_id.batch_no.split("-")
+            max_batch = int(max_batch[2].lstrip("0")) + 1
+            batchno = number_generator("BATCH", max_batch)
+        else:
+            batchno = number_generator("BATCH", 1)
+    except:
+        batchno = number_generator("BATCH", 1)
+
+    return batchno
+
+
 def crhistory_save(batch_no, main_action,
                    action, entity, form_code,
                    fromValue, toValue):