Adds migration to add slug to the News model.

physionet-django/notification/migrations/0008_news_slug.py

@@ -0,0 +1,25 @@
+# Generated by Django 4.1.10 on 2023-11-29 19:39
+
+from django.db import migrations, models
+
+
+def set_default_slugs(apps, schema_editor):
+    News = apps.get_model('notification', 'News')
+    for news in News.objects.all():
+        news.slug = str(news.id)
+        news.save()
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("notification", "0007_auto_20220221_0332"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="news",
+            name="slug",
+            field=models.SlugField(max_length=100, null=True),
+        ),
+        migrations.RunPython(set_default_slugs, reverse_code=migrations.RunPython.noop),
+    ]

physionet-django/notification/migrations/0009_alter_news_slug.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.1.10 on 2023-11-29 20:12
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("notification", "0008_news_slug"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="news",
+            name="slug",
+            field=models.SlugField(max_length=100, unique=True),
+            preserve_default=False,
+        ),
+    ]