Events are configurable

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

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],
+        )