Allow anonymous users to perform a payment using a special auth token

Signed-off-by: Emmy D'Anello <emmy.danello@animath.fr>

registration/migrations/0012_payment_token_alter_payment_type.py

@@ -0,0 +1,41 @@
+# Generated by Django 5.0.1 on 2024-02-20 22:48
+
+import registration.models
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("registration", "0011_remove_payment_registration_and_more"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="payment",
+            name="token",
+            field=models.CharField(
+                default=registration.models.get_random_token,
+                help_text="A token to authorize external users to make this payment.",
+                max_length=32,
+                verbose_name="token",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="payment",
+            name="type",
+            field=models.CharField(
+                blank=True,
+                choices=[
+                    ("", "No payment"),
+                    ("helloasso", "Credit card"),
+                    ("scholarship", "Scholarship"),
+                    ("bank_transfer", "Bank transfer"),
+                    ("other", "Other (please indicate)"),
+                    ("free", "The tournament is free"),
+                ],
+                default="",
+                max_length=16,
+                verbose_name="type",
+            ),
+        ),
+    ]