Add the TestEvent model to Django admin

Make the string representation of TestEvent simpler

edtf_django_tests/edtf_integration/admin.py

@@ -1 +1,43 @@
-# Register your models here.
+from django.contrib import admin
+
+from .models import TestEvent
+
+
+class TestEventAdmin(admin.ModelAdmin):
+    list_display = (
+        "date_display",
+        "date_edtf_direct",
+        "date_earliest",
+        "date_latest",
+        "date_sort_ascending",
+        "date_sort_descending",
+        "date_edtf",
+    )
+    search_fields = ("date_display", "date_edtf_direct")
+    list_filter = ("date_earliest", "date_latest")
+    readonly_fields = (
+        "date_earliest",
+        "date_latest",
+        "date_sort_ascending",
+        "date_sort_descending",
+        "date_edtf",
+    )
+
+    fieldsets = (
+        (None, {"fields": ("date_display", "date_edtf_direct", "date_edtf")}),
+        (
+            "Computed Dates",
+            {
+                "classes": ("collapse",),
+                "fields": (
+                    "date_earliest",
+                    "date_latest",
+                    "date_sort_ascending",
+                    "date_sort_descending",
+                ),
+            },
+        ),
+    )
+
+
+admin.site.register(TestEvent, TestEventAdmin)

edtf_django_tests/edtf_integration/models.py

@@ -49,9 +49,5 @@ def __str__(self) -> str:
         return (
             f"Test Event: {self.date_display=}, "
             f"{self.date_edtf_direct=}, "
-            f"{self.date_earliest=}, "
-            f"{self.date_latest=}, "
-            f"{self.date_sort_ascending=}, "
-            f"{self.date_sort_descending=}, "
             f"{self.date_edtf=}"
         )