add event details to collection

scipost_django/series/migrations/0009_collection_event_details.py

+# Generated by Django 3.2.18 on 2023-09-21 15:19
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('series', '0008_alter_collections_related_names'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='collection',
+            name='event_details',
+            field=models.TextField(blank=True, help_text='The details of the event, to be displayed as information about the collection in the paper.'),
+        ),
+    ]

scipost_django/series/models.py

@@ -64,6 +64,13 @@ class Collection(models.Model):
     )
     event_start_date = models.DateField(null=True, blank=True)
     event_end_date = models.DateField(null=True, blank=True)
+    event_details = models.TextField(
+        blank=True,
+        help_text=(
+            "The details of the event, to be displayed as information "
+            "about the collection in the paper."
+        ),
+    )
     image = models.ImageField(upload_to="series/collections/images/", blank=True)
 
     expected_authors = models.ManyToManyField(