Combine scheduled and already-sent jobs

I’m hoping that if I can design something that clearly differentiates
them then we won’t need to do so by putting them in separate tables,
which then need labelling, which would clutter up the page.

app/main/views/uploads.py

@@ -52,14 +52,16 @@ def uploads(service_id):
     if uploads.prev_page:
         next_page = generate_next_dict('main.uploads', service_id, uploads.current_page)
 
+    if uploads.current_page == 1:
+        listed_uploads = current_service.scheduled_jobs + uploads
+    else:
+        listed_uploads = uploads
+
     return render_template(
         'views/jobs/jobs.html',
-        jobs=uploads,
+        jobs=listed_uploads,
         prev_page=prev_page,
         next_page=next_page,
-        show_scheduled_jobs=(
-            uploads.current_page == 1 and current_service.scheduled_jobs
-        ),
     )
 
 

app/models/__init__.py

@@ -76,5 +76,13 @@ class ModelList(ABC, Sequence):
         return list(self) + list(other)
 
 
+class EmptyModelList(ModelList):
+
+    client_method = model = None
+
+    def __init__(self, *args):
+        self.items = []
+
+
 class InviteTokenError(Exception):
     pass

app/models/service.py

@@ -5,7 +5,7 @@ from flask import abort, current_app
 from notifications_utils.timezones import local_timezone
 from werkzeug.utils import cached_property
 
-from app.models import JSONModel
+from app.models import EmptyModelList, JSONModel
 from app.models.job import (
     ImmediateJobs,
     PaginatedJobs,
@@ -123,13 +123,13 @@ class Service(JSONModel):
     @cached_property
     def immediate_jobs(self):
         if not self.has_jobs:
-            return []
+            return EmptyModelList()
         return ImmediateJobs(self.id)
 
     @cached_property
     def scheduled_jobs(self):
         if not self.has_jobs:
-            return []
+            return EmptyModelList()
         return ScheduledJobs(self.id)
 
     @cached_property