feat(settings): limit applicable session types

pretalx_musicrate/forms.py

@@ -1,3 +1,5 @@
+from django import forms
+from django_scopes.forms import SafeModelMultipleChoiceField
 from i18nfield.forms import I18nModelForm
 
 from .models import MusicrateSettings
@@ -7,8 +9,17 @@ class MusicrateSettingsForm(I18nModelForm):
     def __init__(self, *args, event=None, **kwargs):
         self.instance, _ = MusicrateSettings.objects.get_or_create(event=event)
         super().__init__(*args, **kwargs, instance=self.instance, locales=event.locales)
+        if not event.submission_types.count():
+            self.fields.pop("submission_types")
+        else:
+            self.fields["submission_types"].queryset = event.submission_types.all()
 
     class Meta:
         model = MusicrateSettings
-        fields = ("some_setting",)
-        widgets = {}
+        fields = ("submission_types",)
+        widgets = {
+            "submission_types": forms.SelectMultiple(attrs={"class": "select2"}),
+        }
+        field_classes = {
+            "submission_types": SafeModelMultipleChoiceField,
+        }

pretalx_musicrate/migrations/0001_initial.py

@@ -0,0 +1,42 @@
+# Generated by Django 4.2.8 on 2023-12-14 18:32
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    initial = True
+
+    dependencies = [
+        ("submission", "0074_created_updated_everywhere"),
+        ("event", "0035_created_updated_everywhere"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="MusicrateSettings",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        auto_created=True, primary_key=True, serialize=False
+                    ),
+                ),
+                (
+                    "event",
+                    models.OneToOneField(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="pretalx_musicrate_settings",
+                        to="event.event",
+                    ),
+                ),
+                (
+                    "submission_types",
+                    models.ManyToManyField(
+                        related_name="pretalx_musicrate_settings",
+                        to="submission.submissiontype",
+                    ),
+                ),
+            ],
+        ),
+    ]

pretalx_musicrate/models.py

@@ -1,4 +1,5 @@
 from django.db import models
+from django.utils.translation import gettext_lazy as _
 
 
 class MusicrateSettings(models.Model):
@@ -7,4 +8,12 @@ class MusicrateSettings(models.Model):
         on_delete=models.CASCADE,
         related_name="pretalx_musicrate_settings",
     )
-    some_setting = models.CharField(max_length=10, default="A")
+    submission_types = models.ManyToManyField(
+        to="submission.SubmissionType",
+        related_name="pretalx_musicrate_settings",
+        help_text=_(
+            "You can limit pretalx-musicrate to some session types. Leave this field empty to rate all session types."
+        ),
+        verbose_name=_("Session Types"),
+        blank=True,
+    )

pretalx_musicrate/templates/pretalx_musicrate/settings.html

@@ -0,0 +1,15 @@
+{% extends "orga/base.html" %}
+{% load bootstrap4 %}
+{% load compress %}
+{% load i18n %}
+{% load static %}
+
+{% block content %}
+    <h2>{% translate "pretalx-musicrate settings" %}</h2>
+    <form method="post">
+        {% csrf_token %}
+        {% bootstrap_form_errors form %}
+        {% bootstrap_field form.submission_types layout='event' %}
+        {% include "orga/includes/submit_row.html" %}
+    </form>
+{% endblock %}