Workflow parse delivery json

Makes workflow service look for and handle a delivery.json file if it should appear in the HTCondor working directory after a workflow is complete.

Also reduced message logging a bit and made notifications from the capability service not so needy about user_email parameters.

shared/workspaces/workspaces/notification/services/notification_service.py

+import logging
+
 import requests
 from pycapo import CapoConfig
 
@@ -5,28 +7,50 @@ from workspaces.notification.services.interfaces import NotificationServiceIF, N
 from workspaces.capability.services.interfaces import CapabilityRequestIF
 
 
+logger = logging.getLogger(__name__)
+
+
 class NotificationServiceRESTClient(NotificationServiceIF):
     def __init__(self):
-        self.url = CapoConfig().settings("edu.nrao.archive.workspaces.NotificationSettings").serviceUrl
+        self.url = (
+            CapoConfig().settings("edu.nrao.archive.workspaces.NotificationSettings").serviceUrl
+        )
         self.linkUrl = CapoConfig().settings("edu.nrao.archive.workspaces.UISettings").serviceUrl
 
     def notify_submitted(self, request: CapabilityRequestIF):
+        # bail out early if we have no user email
+        if "user_email" not in request.parameters:
+            logger.info("Not sending notification because no user email supplied")
+            return
+
         user_email = request.parameters["user_email"]
-        requests.post(f'{self.url}/notify/submitted_email/send',
-                      json={"destination_email": user_email,
-                            "request_id": request.id,
-                            "capability_name": request.capability.name,
-                            "status_link": self.linkUrl + "/request-status/" + str(request.id)})
+        requests.post(
+            f"{self.url}/notify/submitted_email/send",
+            json={
+                "destination_email": user_email,
+                "request_id": request.id,
+                "capability_name": request.capability.name,
+                "status_link": self.linkUrl + "/request-status/" + str(request.id),
+            },
+        )
 
     def notify_complete(self, request: CapabilityRequestIF):
+        # bail out early if we have no user email
+        if "user_email" not in request.parameters:
+            logger.info("Not sending notification because no user email supplied")
+            return
+
         user_email = request.parameters["user_email"]
-        requests.post(f'{self.url}/notify/complete_email/send',
-                      json={"destination_email":user_email,
-                            "request_id": request.id,
-                            "capability_name": request.capability.name})
+        requests.post(
+            f"{self.url}/notify/complete_email/send",
+            json={
+                "destination_email": user_email,
+                "request_id": request.id,
+                "capability_name": request.capability.name,
+            },
+        )
 
 
 class NotificationService(NotificationServiceIF):
     def __init__(self, info: NotificationInfoIF):
         self.info = info
-