Add deletion checks to even more loaders

csunplugged/at_a_distance/management/commands/load_at_a_distance_data.py

@@ -7,6 +7,7 @@
 from utils.LoaderFactory import LoaderFactory
 from utils.errors.MissingRequiredFieldError import MissingRequiredFieldError
 from utils.errors.InvalidYAMLValueError import InvalidYAMLValueError
+from at_a_distance.models import Lesson
 
 
 class Command(BaseCommand):
@@ -56,3 +57,7 @@ def handle(self, *args, **options):
                     content_path=lesson_slug,
                     structure_filename=lesson_structure_file,
                 ).load()
+
+            _, results = Lesson.objects.exclude(slug__in=structure_file["lessons"]).delete();
+            if results.get("at_a_distance", 0) > 0:
+                print(f"Deleted {results['at_a_distance.Lesson']} lessons")

csunplugged/at_home/management/commands/_ChallengeLoader.py

@@ -74,3 +74,9 @@ def load(self):
                 self.log("Added challenge: {}".format(challenge.__str__()), 1)
             else:
                 self.log("Updated challenge: {}".format(challenge.__str__()), 1)
+
+        _, results = Challenge.objects.filter(activity=self.activity).exclude(
+            order_number__in=challenge_translations.keys()
+        ).delete()
+        if results.get("at_home.Challenge", 0) > 0:
+            self.log("Deleted {} challenges".format(results["at_home.Challenge"]), 1)

csunplugged/at_home/management/commands/loadactivities.py

@@ -6,6 +6,7 @@
 from utils.BaseLoader import BaseLoader
 from utils.LoaderFactory import LoaderFactory
 from utils.errors.MissingRequiredFieldError import MissingRequiredFieldError
+from at_home.models import Activity
 
 
 class Command(BaseCommand):
@@ -61,3 +62,7 @@ def handle(self, *args, **options):
                     lite_loader=lite_load,
                     activity_data=activity_data,
                 ).load()
+
+            _, result = Activity.objects.exclude(slug__in=structure_file["activities"].keys()).delete()
+            if result.get("at_home.Activity", 0) > 0:
+                print("Deleted {} activities".format(result["at_home.Activity"]))

csunplugged/tests/at_a_distance/loaders/test_lessons_loader.py

@@ -227,3 +227,6 @@ def test_lesson_loader_missing_supporting_resources(self):
             CouldNotFindYAMLFileError,
             lesson_loader.load,
         )
+
+    def test_lesson_loader_insert_start(self):
+