Add user-related collections feature with HTMX support and timestamps for collections

anatomy/migrations/0025_exam_created_exam_updated.py

@@ -0,0 +1,25 @@
+# Generated by Django 5.2.7 on 2026-01-26 11:05
+
+import django.utils.timezone
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('anatomy', '0024_exam_results_supervisor_visible'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='exam',
+            name='created',
+            field=models.DateTimeField(auto_now_add=True, default=django.utils.timezone.now, help_text='Creation timestamp'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='exam',
+            name='updated',
+            field=models.DateTimeField(auto_now=True, help_text='Last updated timestamp'),
+        ),
+    ]

atlas/migrations/0090_casecollection_created_casecollection_updated.py

@@ -0,0 +1,25 @@
+# Generated by Django 5.2.7 on 2026-01-26 11:05
+
+import django.utils.timezone
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('atlas', '0089_remove_condition_primary_remove_condition_synonym'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='casecollection',
+            name='created',
+            field=models.DateTimeField(auto_now_add=True, default=django.utils.timezone.now, help_text='Creation timestamp'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='casecollection',
+            name='updated',
+            field=models.DateTimeField(auto_now=True, help_text='Last updated timestamp'),
+        ),
+    ]

atlas/templates/atlas/index.html

@@ -20,7 +20,14 @@
                                 hx-swap="innerHTML">
                             Collections to view / take
                         </button>
+                        <button class="btn btn-outline-primary ms-2"
+                                hx-get="{% url 'atlas:user_related_collections' %}"
+                                hx-target="#user-related-collections-placeholder"
+                                hx-swap="innerHTML">
+                            My collections
+                        </button>
                         <div id="user-collections-placeholder" class="mt-3"></div>
+                        <div id="user-related-collections-placeholder" class="mt-3"></div>
                     </div>
                 </div>
 

atlas/templates/atlas/partials/_user_related_collections.html

@@ -0,0 +1,19 @@
+<div class="card mb-3">
+  <div class="card-body">
+    <h5 class="card-title">Related collections</h5>
+
+    <ul class="list-unstyled">
+      {% for item in related_collections %}
+        <li>
+          <a href="{% url 'atlas:collection_detail' item.collection.pk %}">{{ item.collection.name }}</a>
+          {% if item.is_author %}<span class="badge bg-primary ms-2">Author</span>{% endif %}
+          {% if item.is_marker %}<span class="badge bg-secondary ms-2">Marker</span>{% endif %}
+          {% if item.collection.description %}<small class="text-muted"> — {{ item.collection.description }}</small>{% endif %}
+        </li>
+      {% empty %}
+        <li class="text-muted">No related collections.</li>
+      {% endfor %}
+    </ul>
+
+  </div>
+</div>

atlas/urls.py

@@ -37,6 +37,7 @@ urlpatterns = [
     path("collection/case_search", views.case_search, name="case_search"),
     path("collection/", views.CollectionView.as_view(), name="collection_view"),
     path("collection/user", views.user_collections, name="user_collections"),
+    path("collection/related", views.user_related_collections, name="user_related_collections"),
     path("uploads", views.user_uploads, name="user_uploads"),
     path("uploads/<int:user_pk>/user", views.other_user_uploads, name="other_user_uploads"),
     path("uploads/all", views.all_uploads, name="all_uploads"),

atlas/views.py

@@ -1151,6 +1151,39 @@ def user_collections(request):
     # endpoint is called by HTMX we prefer returning a small fragment so it
     # can be swapped into the index page without duplicating layout.
 
+
+@login_required
+def user_related_collections(request):
+    """Return up to 10 most recently modified collections where the user
+    is an author or a marker. If called via HTMX return a fragment suitable
+    for swapping into the index page.
+    """
+    user = request.user
+    qs = (
+        CaseCollection.objects.filter(Q(author=user) | Q(markers=user))
+        .distinct()
+        .order_by("-updated")[:10]
+    )
+
+    related = []
+    for c in qs:
+        related.append(
+            {
+                "collection": c,
+                "is_author": c.author.filter(id=user.id).exists(),
+                "is_marker": c.markers.filter(id=user.id).exists(),
+            }
+        )
+
+    context = {"related_collections": related}
+
+    is_htmx = getattr(request, "htmx", False) or request.headers.get("HX-Request", "").lower() == "true"
+    if is_htmx:
+        html = render_to_string("atlas/partials/_user_related_collections.html", context, request=request)
+        return HttpResponse(html)
+
+    return render(request, "atlas/user_collections.html", context)
+
 @login_required
 def collection_options(request):
     if not request.htmx:

generic/models.py

@@ -667,6 +667,9 @@ class ExamOrCollectionGenericBase(models.Model, AuthorMixin):
 
     name = models.CharField(max_length=200, help_text="Name of the exam/collection")
 
+    created = models.DateTimeField(auto_now_add=True, help_text="Creation timestamp")
+    updated = models.DateTimeField(auto_now=True, help_text="Last updated timestamp")
+
     start_date = models.DateTimeField(
         help_text="Date (and time) the exam/collection starts", null=True, blank=True
     )

longs/migrations/0034_exam_created_exam_updated.py

@@ -0,0 +1,25 @@
+# Generated by Django 5.2.7 on 2026-01-26 11:05
+
+import django.utils.timezone
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('longs', '0033_alter_longseriesimage_image_md5_hash'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='exam',
+            name='created',
+            field=models.DateTimeField(auto_now_add=True, default=django.utils.timezone.now, help_text='Creation timestamp'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='exam',
+            name='updated',
+            field=models.DateTimeField(auto_now=True, help_text='Last updated timestamp'),
+        ),
+    ]

physics/migrations/0018_exam_created_exam_updated.py

@@ -0,0 +1,25 @@
+# Generated by Django 5.2.7 on 2026-01-26 11:05
+
+import django.utils.timezone
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('physics', '0017_exam_results_supervisor_visible'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='exam',
+            name='created',
+            field=models.DateTimeField(auto_now_add=True, default=django.utils.timezone.now, help_text='Creation timestamp'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='exam',
+            name='updated',
+            field=models.DateTimeField(auto_now=True, help_text='Last updated timestamp'),
+        ),
+    ]

rapids/migrations/0017_exam_created_exam_updated.py

@@ -0,0 +1,25 @@
+# Generated by Django 5.2.7 on 2026-01-26 11:05
+
+import django.utils.timezone
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('rapids', '0016_exam_results_supervisor_visible'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='exam',
+            name='created',
+            field=models.DateTimeField(auto_now_add=True, default=django.utils.timezone.now, help_text='Creation timestamp'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='exam',
+            name='updated',
+            field=models.DateTimeField(auto_now=True, help_text='Last updated timestamp'),
+        ),
+    ]

sbas/migrations/0023_exam_created_exam_updated.py

@@ -0,0 +1,25 @@
+# Generated by Django 5.2.7 on 2026-01-26 11:05
+
+import django.utils.timezone
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('sbas', '0022_question_frcr_appropriate'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='exam',
+            name='created',
+            field=models.DateTimeField(auto_now_add=True, default=django.utils.timezone.now, help_text='Creation timestamp'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='exam',
+            name='updated',
+            field=models.DateTimeField(auto_now=True, help_text='Last updated timestamp'),
+        ),
+    ]

shorts/migrations/0011_exam_created_exam_updated.py

@@ -0,0 +1,25 @@
+# Generated by Django 5.2.7 on 2026-01-26 11:05
+
+import django.utils.timezone
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('shorts', '0010_alter_useranswer_candidate_feedback_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='exam',
+            name='created',
+            field=models.DateTimeField(auto_now_add=True, default=django.utils.timezone.now, help_text='Creation timestamp'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='exam',
+            name='updated',
+            field=models.DateTimeField(auto_now=True, help_text='Last updated timestamp'),
+        ),
+    ]