Events are configurable

This commit mostly reproduces the structure of gestioncof's events,
renames some stuff and adds a generic export view.

events/migrations/0003_options_and_extra_fields.py

@@ -0,0 +1,199 @@
+# Generated by Django 2.2.8 on 2019-12-22 14:54
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ("events", "0002_event_subscribers"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="ExtraField",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                (
+                    "name",
+                    models.CharField(
+                        max_length=200, verbose_name="champ d'événement supplémentaire"
+                    ),
+                ),
+                (
+                    "field_type",
+                    models.CharField(
+                        choices=[
+                            ("shorttext", "texte court (une ligne)"),
+                            ("longtext", "texte long (plusieurs lignes)"),
+                        ],
+                        max_length=9,
+                        verbose_name="type de champ",
+                    ),
+                ),
+            ],
+        ),
+        migrations.CreateModel(
+            name="Option",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                (
+                    "name",
+                    models.CharField(max_length=200, verbose_name="option d'événement"),
+                ),
+                (
+                    "multi_choices",
+                    models.BooleanField(default=False, verbose_name="choix multiples"),
+                ),
+            ],
+            options={
+                "verbose_name": "option d'événement",
+                "verbose_name_plural": "options d'événement",
+            },
+        ),
+        migrations.CreateModel(
+            name="OptionChoice",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("choice", models.CharField(max_length=200, verbose_name="choix")),
+                (
+                    "option",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="choices",
+                        to="events.Option",
+                    ),
+                ),
+            ],
+            options={
+                "verbose_name": "choix d'option d'événement",
+                "verbose_name_plural": "choix d'option d'événement",
+            },
+        ),
+        migrations.CreateModel(
+            name="Registration",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+            ],
+            options={
+                "verbose_name": "inscription à un événement",
+                "verbose_name_plural": "inscriptions à un événement",
+            },
+        ),
+        migrations.RemoveField(model_name="event", name="subscribers"),
+        migrations.AddField(
+            model_name="event",
+            name="subscribers",
+            field=models.ManyToManyField(
+                through="events.Registration",
+                to=settings.AUTH_USER_MODEL,
+                verbose_name="inscrit⋅e⋅s",
+            ),
+        ),
+        migrations.AddField(
+            model_name="registration",
+            name="event",
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.CASCADE, to="events.Event"
+            ),
+        ),
+        migrations.AddField(
+            model_name="registration",
+            name="options_choices",
+            field=models.ManyToManyField(to="events.OptionChoice"),
+        ),
+        migrations.AddField(
+            model_name="registration",
+            name="user",
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL
+            ),
+        ),
+        migrations.AddField(
+            model_name="option",
+            name="event",
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.CASCADE,
+                related_name="options",
+                to="events.Event",
+            ),
+        ),
+        migrations.CreateModel(
+            name="ExtraFieldContent",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("content", models.TextField(verbose_name="contenu du champ")),
+                (
+                    "field",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="events.ExtraField",
+                    ),
+                ),
+                (
+                    "registration",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="extra_info",
+                        to="events.Registration",
+                    ),
+                ),
+            ],
+            options={
+                "verbose_name": "contenu d'un champ événement supplémentaire",
+                "verbose_name_plural": "contenus d'un champ événement supplémentaire",
+            },
+        ),
+        migrations.AddField(
+            model_name="extrafield",
+            name="event",
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.CASCADE,
+                related_name="extra_fields",
+                to="events.Event",
+            ),
+        ),
+    ]

events/models.py

@@ -16,7 +16,9 @@ class Event(models.Model):
     )
     registration_open = models.BooleanField(_("inscriptions ouvertes"), default=True)
     old = models.BooleanField(_("archiver (événement fini)"), default=False)
-    subscribers = models.ManyToManyField(User, verbose_name=_("inscrit⋅e⋅s"))
+    subscribers = models.ManyToManyField(
+        User, through="Registration", verbose_name=_("inscrit⋅e⋅s")
+    )
 
     class Meta:
         verbose_name = _("événement")
@@ -26,8 +28,91 @@ class Event(models.Model):
         return self.title
 
 
-# TODO: gérer les options (EventOption & EventOptionChoice de gestioncof)
+class Option(models.Model):
-#       par exemple: "option végé au Mega (oui / non)"
+    """Event options to be selected by participants at registration.
 
-# TODO: gérer les champs commentaires (EventCommentField & EventCommentChoice)
+    The possible choices are instances of `OptionChoice` (see below). A typical example
-#       par exemple: "champ "allergies / régime particulier" au Mega
+    is when the participants have the choice between different meal types (e.g. vegan /
+    vegetarian / no pork / with meat). In this case, the "meal type" is an `Option` and
+    the three alternatives are `OptionChoice`s.
+    """
+
+    event = models.ForeignKey(Event, on_delete=models.CASCADE, related_name="options")
+    name = models.CharField(_("option d'événement"), max_length=200)
+    multi_choices = models.BooleanField(_("choix multiples"), default=False)
+
+    class Meta:
+        verbose_name = _("option d'événement")
+        verbose_name_plural = _("options d'événement")
+
+    def __str__(self):
+        return self.name
+
+
+class OptionChoice(models.Model):
+    """A possible choice for an event option (see Option)."""
+
+    option = models.ForeignKey(Option, on_delete=models.CASCADE, related_name="choices")
+    choice = models.CharField(_("choix"), max_length=200)
+
+    class Meta:
+        verbose_name = _("choix d'option d'événement")
+        verbose_name_plural = _("choix d'option d'événement")
+
+    def __str__(self):
+        return self.choice
+
+
+class ExtraField(models.Model):
+    """Extra event field, for event creators.
+
+    Extra text field that can be added by event creators to the event registration form.
+    Typical examples are "remarks" fields (of type LONGTEXT) or more specific questions
+    such as "emergency contact".
+    """
+
+    LONGTEXT = "longtext"
+    SHORTTEXT = "shorttext"
+
+    FIELD_TYPE = [
+        (SHORTTEXT, _("texte court (une ligne)")),
+        (LONGTEXT, _("texte long (plusieurs lignes)")),
+    ]
+
+    event = models.ForeignKey(
+        Event, on_delete=models.CASCADE, related_name="extra_fields"
+    )
+    name = models.CharField(_("champ d'événement supplémentaire"), max_length=200)
+    field_type = models.CharField(_("type de champ"), max_length=9, choices=FIELD_TYPE)
+
+
+class ExtraFieldContent(models.Model):
+    field = models.ForeignKey(ExtraField, on_delete=models.CASCADE)
+    registration = models.ForeignKey(
+        "Registration", on_delete=models.CASCADE, related_name="extra_info"
+    )
+    content = models.TextField(_("contenu du champ"))
+
+    class Meta:
+        verbose_name = _("contenu d'un champ événement supplémentaire")
+        verbose_name_plural = _("contenus d'un champ événement supplémentaire")
+
+    def __str__(self):
+        max_length = 50
+        if len(self.content) > max_length:
+            return self.content[: max_length - 1] + "…"
+        else:
+            return self.content
+
+
+class Registration(models.Model):
+    event = models.ForeignKey(Event, on_delete=models.CASCADE)
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
+    options_choices = models.ManyToManyField(OptionChoice)
+
+    class Meta:
+        verbose_name = _("inscription à un événement")
+        verbose_name_plural = _("inscriptions à un événement")
+
+    def __str__(self):
+        return "inscription de {} à {}".format(self.user, self.event)

events/tests/test_views.py

@@ -1,3 +1,4 @@
+import csv
 from unittest import mock
 
 from django.contrib.auth import get_user_model
@@ -5,7 +6,14 @@ from django.contrib.auth.models import Permission
 from django.test import Client, TestCase
 from django.urls import reverse
 
-from events.models import Event
+from events.models import (
+    Event,
+    ExtraField,
+    ExtraFieldContent,
+    Option,
+    OptionChoice,
+    Registration,
+)
 
 User = get_user_model()
 
@@ -23,7 +31,7 @@ def make_staff_user(name):
     return user
 
 
-class CSVExportTest(TestCase):
+class MessagePatch:
     def setUp(self):
         # Signals handlers on login/logout send messages.
         # Due to the way the Django' test Client performs login, this raise an
@@ -32,11 +40,14 @@ class CSVExportTest(TestCase):
         patcher_messages.start()
         self.addCleanup(patcher_messages.stop)
 
+
+class CSVExportAccessTest(MessagePatch, TestCase):
+    def setUp(self):
+        super().setUp()
+
         self.staff = make_staff_user("staff")
         self.u1 = make_user("toto")
-        self.u2 = make_user("titi")
         self.event = Event.objects.create(title="test_event", location="somewhere")
-        self.event.subscribers.set([self.u1, self.u2])
         self.url = reverse("events:csv-participants", args=[self.event.id])
 
     def test_get(self):
@@ -57,3 +68,68 @@ class CSVExportTest(TestCase):
         client.force_login(self.u1)
         r = client.get(self.url)
         self.assertEqual(r.status_code, 403)
+
+
+class CSVExportContentTest(MessagePatch, TestCase):
+    def setUp(self):
+        super().setUp()
+
+        self.event = Event.objects.create(title="test_event", location="somewhere")
+        self.url = reverse("events:csv-participants", args=[self.event.id])
+
+        self.u1 = User.objects.create_user(
+            username="toto_foo", first_name="toto", last_name="foo", email="toto@a.b"
+        )
+        self.u2 = User.objects.create_user(
+            username="titi_bar", first_name="titi", last_name="bar", email="titi@a.b"
+        )
+        self.staff = make_staff_user("staff")
+        self.client = Client()
+        self.client.force_login(self.staff)
+
+    def test_simple_event(self):
+        self.event.subscribers.set([self.u1, self.u2])
+
+        participants = self.client.get(self.url).content.decode("utf-8")
+        participants = [
+            line for line in csv.reader(participants.split("\n")) if line != []
+        ]
+        self.assertEqual(len(participants), 3)
+        self.assertEqual(participants[1], ["toto_foo", "toto@a.b", "toto", "foo"])
+        self.assertEqual(participants[2], ["titi_bar", "titi@a.b", "titi", "bar"])
+
+    def test_complex_event(self):
+        registration = Registration.objects.create(event=self.event, user=self.u1)
+        # Set up some options
+        option1 = Option.objects.create(
+            event=self.event, name="abc", multi_choices=False
+        )
+        option2 = Option.objects.create(
+            event=self.event, name="def", multi_choices=True
+        )
+        OptionChoice.objects.bulk_create(
+            [
+                OptionChoice(option=option1, choice="a"),
+                OptionChoice(option=option1, choice="b"),
+                OptionChoice(option=option1, choice="c"),
+                OptionChoice(option=option2, choice="d"),
+                OptionChoice(option=option2, choice="e"),
+                OptionChoice(option=option2, choice="f"),
+            ]
+        )
+        registration.options_choices.set(
+            OptionChoice.objects.filter(choice__in=["d", "f"])
+        )
+        registration.options_choices.add(OptionChoice.objects.get(choice="a"))
+        # And an extra field
+        field = ExtraField.objects.create(event=self.event, name="remarks")
+        ExtraFieldContent.objects.create(
+            field=field, registration=registration, content="hello"
+        )
+
+        participants = self.client.get(self.url).content.decode("utf-8")
+        participants = list(csv.reader(participants.split("\n")))
+        self.assertEqual(
+            ["toto_foo", "toto@a.b", "toto", "foo", "a", "d & f", "hello"],
+            participants[1],
+        )

events/views.py

@@ -5,7 +5,7 @@ from django.http import HttpResponse
 from django.shortcuts import get_object_or_404
 from django.utils.text import slugify
 
-from events.models import Event
+from events.models import Event, Registration
 
 
 @login_required
@@ -13,13 +13,46 @@ from events.models import Event
 def participants_csv(request, event_id):
     event = get_object_or_404(Event, id=event_id)
 
+    # Create a CSV response
     filename = "{}-participants.csv".format(slugify(event.title))
     response = HttpResponse(content_type="text/csv")
     response["Content-Disposition"] = 'attachment; filename="{}"'.format(filename)
-
     writer = csv.writer(response)
-    writer.writerow(["username", "email", "prénom", "nom de famille"])
+
-    for user in event.subscribers.all():
+    # The first line of the file is a header
-        writer.writerow([user.username, user.email, user.first_name, user.last_name])
+    header = ["username", "email", "prénom", "nom de famille"]
+    options_names = list(event.options.values_list("name", flat=True).order_by("id"))
+    header += options_names
+    extra_fields = list(
+        event.extra_fields.values_list("name", flat=True).order_by("id")
+    )
+    header += extra_fields
+    writer.writerow(header)
+
+    # Next, one line by registered user
+    registrations = Registration.objects.filter(event=event)
+    for registration in registrations:
+        user = registration.user
+        row = [user.username, user.email, user.first_name, user.last_name]
+
+        # Options
+        options_choices = list(
+            " & ".join(
+                registration.options_choices.filter(option__id=id).values_list(
+                    "choice", flat=True
+                )
+            )
+            for id in event.options.values_list("id", flat=True).order_by("id")
+        )
+        row += options_choices
+        # Extra info
+        extra_info = list(
+            registration.extra_info.values_list("content", flat=True).order_by(
+                "field__id"
+            )
+        )
+        row += extra_info
+
+        writer.writerow(row)
 
     return response