feat: delete jobs that are more than a year older than the active job

data_registry/admin.py

@@ -2,7 +2,7 @@
 
 from django.conf import settings
 from django.contrib import admin, messages
-from django.db.models import Exists, OuterRef, Q
+from django.db.models import Q
 from django.urls import NoReverseMatch, reverse
 from django.utils import timezone
 from django.utils.html import escape
@@ -206,22 +206,16 @@ def get_form(self, request, obj=None, **kwargs):
         return form
 
 
-class FailedFilter(admin.SimpleListFilter):
-    title = _("failed")
-    parameter_name = "failed"
+class UnsuccessfulFilter(admin.SimpleListFilter):
+    title = _("unsuccessful")
+    parameter_name = "unsuccessful"
 
     def lookups(self, request, model_admin):
         return (("1", _("Yes")),)
 
     def queryset(self, request, queryset):
         if self.value() == "1":
-            # https://docs.djangoproject.com/en/4.2/ref/models/expressions/#some-examples
-            failed_tasks = Task.objects.filter(
-                job=OuterRef("pk"),
-                status=Task.Status.COMPLETED,
-                result=Task.Result.FAILED,
-            )
-            return queryset.filter(Exists(failed_tasks))
+            return queryset.unsuccessful()
         return None
 
 
@@ -248,7 +242,7 @@ class Media:
     list_display = ["__str__", "country", "collection", "status", "last_task", "active", "archived", "keep_all_data"]
     # "active" is read-only and uneditable, because at most one job must be set as active for a given collection.
     list_editable = ["status", "keep_all_data"]
-    list_filter = ["status", ("active_collection", admin.EmptyFieldListFilter), "archived", FailedFilter]
+    list_filter = ["status", ("active_collection", admin.EmptyFieldListFilter), "archived", UnsuccessfulFilter]
 
     fieldsets = (
         (
@@ -339,7 +333,7 @@ def country(self, obj):
 
     @admin.display(description="Active", boolean=True)
     def active(self, obj):
-        return obj.id == obj.collection.active_job_id
+        return obj.pk == obj.collection.active_job_id
 
     @admin.display(description="Last completed task")
     def last_task(self, obj):

data_registry/forms.py

@@ -71,7 +71,7 @@ def __init__(self, *args, request=None, **kwargs):
         # It's not obvious how to use limit_choices_to to filter jobs by collection.
         # https://docs.djangoproject.com/en/4.2/ref/models/fields/#django.db.models.ForeignKey.limit_choices_to
         self.fields["active_job"].queryset = (
-            models.Job.objects.filter(collection=self.instance).complete().order_by(F("id").desc())
+            models.Job.objects.filter(collection=self.instance).complete().order_by(F("pk").desc())
         )
 
         # Populate choices in the form, not the model, for easier migration between icon sets.

data_registry/locale/en/LC_MESSAGES/django.po

@@ -53,7 +53,7 @@ msgstr "Past year"
 msgid "More than a year ago"
 msgstr "More than a year ago"
 
-#: data_registry/admin.py:134 data_registry/admin.py:254
+#: data_registry/admin.py:134 data_registry/admin.py:248
 msgid "Management"
 msgstr "Management"
 
@@ -71,8 +71,8 @@ msgid "Details"
 msgstr "Details"
 
 #: data_registry/admin.py:209
-msgid "failed"
-msgstr "failed"
+msgid "unsuccessful"
+msgstr "unsuccessful"
 
 #: data_registry/admin.py:281
 msgid "Data availability"