Add Task.position field

stade/core/migrations/0015_add_position_to_task.py

@@ -0,0 +1,22 @@
+# Generated by Django 5.2.5 on 2025-08-19 20:57
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0014_alter_task_metric_field'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='task',
+            options={'ordering': ['position', 'id']},
+        ),
+        migrations.AddField(
+            model_name='task',
+            name='position',
+            field=models.PositiveSmallIntegerField(default=0),
+        ),
+    ]

stade/core/models/task.py

@@ -17,7 +17,7 @@
 
 class Task(models.Model):
     class Meta:
-        ordering = ['id']
+        ordering = ['position', 'id']
 
     class Type(models.TextChoices):
         SEGMENTATION = 'segmentation', _('Segmentation')
@@ -72,6 +72,7 @@ class MetricField(models.TextChoices):
         help_text='Whether approaches should require a manuscript.',
     )
     test_ground_truth_file = S3FileField()
+    position = models.PositiveSmallIntegerField(default=0)
 
     # Define custom "objects" first, so it will be the "_default_manager", which is more efficient
     # for many automatically generated queries

stade/core/views.py

@@ -41,7 +41,7 @@ def leaderboard_page(request, challenge):
     if group_by not in ['team', 'approach']:
         group_by = 'team' if challenge.slug != 'live' else 'approach'
 
-    tasks = challenge.tasks.filter(scores_published=True).order_by('name')
+    tasks = challenge.tasks.filter(scores_published=True).order_by('position')
 
     if not request.user.is_staff:
         tasks = tasks.filter(hidden=False)