publish button to order seats

course_discovery/apps/course_metadata/admin.py

@@ -183,6 +183,11 @@ class ProgramTypeAdmin(admin.ModelAdmin):
     list_display = ('name', 'slug',)
 
 
+@admin.register(Seat)
+class SeatAdmin(admin.ModelAdmin):
+    list_display = ('course_run', 'type')
+
+
 @admin.register(SeatType)
 class SeatTypeAdmin(admin.ModelAdmin):
     list_display = ('name', 'slug',)

course_discovery/apps/publisher/api/v1/views.py

@@ -165,7 +165,7 @@ class CourseRunViewSet(viewsets.GenericViewSet):
                     }
                 )
 
-        for seat in course_run.seats.exclude(type=Seat.CREDIT):
+        for seat in course_run.seats.exclude(type=Seat.CREDIT).order_by('created'):
             DiscoverySeat.objects.update_or_create(
                 course_run=discovery_course_run,
                 type=seat.type,