Fix edit characters in group after creation

Relates to #24

.idea/sonarlint.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="SonarLintProjectSettings">
+    <option name="bindingSuggestionsEnabled" value="false" />
+  </component>
+</project>

src/party/forms.py

@@ -1,5 +1,6 @@
 from django import forms
 from django.core.exceptions import ValidationError
+from django.db.models import Q
 
 from character.models import Character
 from party.models import Party
@@ -9,9 +10,16 @@ class PartyForm(forms.ModelForm):
     def __init__(self, *args, **kwargs):
         self.original_instance = kwargs.get("instance")
         super().__init__(*args, **kwargs)
-        qs = Character.objects.filter(private=False)
+        qs = Character.objects.all()
         if self.original_instance:
-            qs = qs.union(self.original_instance.invited_characters.all())
+            qs = qs.filter(
+                Q(private=False)
+                | Q(
+                    pk__in=self.original_instance.invited_characters.all().values_list(
+                        "pk", flat=True
+                    )
+                )
+            )
         self.fields["invited_characters"].queryset = qs
 
     class Meta:

src/party/templates/party/parties_list.html

@@ -12,19 +12,19 @@
     <div class="row row-cols-1 row-cols-md-2 row-cols-lg-3 g-4">
         {% for party in managed_parties %}
             <div class="col">
-                <div class="card">
+                <div class="card party" data-id="{{ party.pk }}">
                     <div class="card-body">
                         <h5 class="card-title">
                             {{ party.name }}
                         </h5>
                         <div class="btn-group btn-group-sm">
-                            <a href="{% url "party:details" pk=party.pk %}" class="btn btn-success">
+                            <a href="{% url "party:details" pk=party.pk %}" class="btn btn-success access">
                                 <i class="fa-solid fa-users"></i> Accéder
                             </a>
-                            <a href="{% url "party:change" pk=party.pk %}" class="btn btn-secondary">
+                            <a href="{% url "party:change" pk=party.pk %}" class="btn btn-secondary edit">
                                 <i class="fa-solid fa-gear"></i> Modifier
                             </a>
-                            <a href="{% url "party:delete" pk=party.pk %}" class="btn btn-danger">
+                            <a href="{% url "party:delete" pk=party.pk %}" class="btn btn-danger delete">
                                 <i class="fa-solid fa-users-slash"></i> Supprimer
                             </a>
                         </div>

src/party/tests/test_interactions.py

@@ -0,0 +1,39 @@
+import pytest
+from django.core.management import call_command
+from django.urls import reverse
+from model_bakery import baker
+from pytest_django.live_server_helper import LiveServer
+from selenium.webdriver.common.by import By
+from selenium.webdriver.firefox.webdriver import WebDriver
+from selenium.webdriver.support.select import Select
+
+from character.models import Character
+from character.tests.test_interactions import login
+from common.models import User
+from party.models import Party
+
+
+@pytest.mark.django_db
+def test_add_character_to_existing_group(selenium: WebDriver, live_server: LiveServer):
+    call_command("loaddata", "initial_data")
+
+    username, password = "gm", "password"
+    gm = User.objects.create_user(username, password=password)
+    player = User.objects.create_user("player")
+    character = baker.make(Character, player=player)
+    party = baker.make(Party, game_master=gm)
+
+    selenium.get(live_server.url)
+    login(selenium, username, password)
+
+    selenium.get(live_server.url + reverse("party:list"))
+    selenium.find_element(
+        By.CSS_SELECTOR, f".party[data-id='{party.pk}'] .edit"
+    ).click()
+    invited = Select(selenium.find_element(By.ID, "id_invited_characters"))
+    invited.select_by_index(0)
+    selenium.find_element(By.CSS_SELECTOR, "[type=submit]").click()
+
+    assert selenium.current_url == live_server.url + reverse("party:list")
+    party.refresh_from_db()
+    assert set(party.invited_characters.all()) == {character}