feat: Implementierung der 'Spiel öffnen'-Funktionalität und Fehlerbehebungen

calendars/forms.py

@@ -1,5 +1,6 @@
 from django import forms
 from .models import Event, Training, Game
+from clubs.models import Team
 
 class EventForm(forms.ModelForm):
     start_time = forms.DateTimeField(input_formats=['%d.%m.%Y %H:%M', '%Y-%m-%dT%H:%M'], widget=forms.DateTimeInput(format='%d.%m.%Y %H:%M', attrs={'type': 'datetime-local'}))
@@ -21,3 +22,11 @@ class GameForm(forms.ModelForm):
     class Meta:
         model = Game
         fields = ['title', 'description', 'start_time', 'end_time', 'location_address', 'team', 'opponent', 'meeting_minutes_before_game', 'season', 'min_players']
+
+class OpenGameForm(forms.Form):
+    teams = forms.ModelMultipleChoiceField(queryset=Team.objects.none(), widget=forms.CheckboxSelectMultiple)
+
+    def __init__(self, *args, **kwargs):
+        club = kwargs.pop('club')
+        super().__init__(*args, **kwargs)
+        self.fields['teams'].queryset = Team.objects.filter(club=club)

calendars/migrations/0003_game_opened_for_teams.py

@@ -0,0 +1,19 @@
+# Generated by Django 5.2.6 on 2025-10-01 12:19
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('calendars', '0002_eventparticipation'),
+        ('clubs', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='game',
+            name='opened_for_teams',
+            field=models.ManyToManyField(blank=True, related_name='opened_games', to='clubs.team'),
+        ),
+    ]

calendars/models.py

@@ -27,6 +27,7 @@ class Game(Event):
     meeting_minutes_before_game = models.PositiveIntegerField(default=60)
     season = models.CharField(max_length=255, blank=True)
     min_players = models.PositiveIntegerField(default=9)
+    opened_for_teams = models.ManyToManyField('clubs.Team', related_name='opened_games', blank=True)
 
 class GameResult(models.Model):
     game = models.OneToOneField(Game, on_delete=models.CASCADE, related_name='result')

calendars/templates/calendars/open_game.html

@@ -0,0 +1,21 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="row justify-content-center">
+    <div class="col-md-6">
+        <div class="card">
+            <div class="card-header">
+                <h2>Open Game for Other Teams</h2>
+            </div>
+            <div class="card-body">
+                <p>Select teams to open the game "{{ game.title }}" for.</p>
+                <form method="post">
+                    {% csrf_token %}
+                    {{ form.as_p }}
+                    <button type="submit" class="btn btn-primary">Open Game</button>
+                </form>
+            </div>
+        </div>
+    </div>
+</div>
+{% endblock %}

calendars/urls.py

@@ -9,4 +9,5 @@ urlpatterns = [
     path('event/<int:pk>/', views.EventUpdateView.as_view(), name='event-update'),
     path('event/<int:pk>/delete/', views.EventDeleteView.as_view(), name='event-delete'),
     path('participation/<int:child_id>/<int:event_id>/<str:status>/', views.manage_participation, name='manage-participation'),
+    path('game/<int:game_id>/open/', views.open_game, name='open-game'),
 ]

calendars/views.py

@@ -4,8 +4,10 @@ from django.contrib.auth.mixins import LoginRequiredMixin, UserPassesTestMixin
 from django.contrib.auth.decorators import login_required
 from django.urls import reverse_lazy
 from .models import Event, Training, Game, EventParticipation
-from .forms import EventForm, TrainingForm, GameForm
+from .forms import EventForm, TrainingForm, GameForm, OpenGameForm
 from accounts.models import CustomUser # Import CustomUser for manage_participation view
+from django.utils import timezone
+import datetime
 
 def select_event_type(request):
     return render(request, 'calendars/select_event_type.html')
@@ -87,8 +89,51 @@ def manage_participation(request, child_id, event_id, status):
         # Handle unauthorized access
         return redirect('dashboard')
 
+    # Check for parallel events if accepting a support game
+    if status == 'attending' and hasattr(event, 'game') and child.team in event.game.opened_for_teams.all():
+        # A game's duration is defined as innings * 20 minutes + 1 hour travel.
+        # I will assume 9 innings for now.
+        game_duration = datetime.timedelta(minutes=(9 * 20 + 60))
+        event_start = event.start_time
+        event_end = event.start_time + game_duration
+
+        parallel_events = Event.objects.filter(
+            eventparticipation__user=child,
+            eventparticipation__status='attending'
+        ).exclude(id=event.id)
+
+        for pe in parallel_events:
+            pe_duration = datetime.timedelta(minutes=(9 * 20 + 60)) # Assuming 9 innings for all games
+            pe_start = pe.start_time
+            pe_end = pe.start_time + pe_duration
+            
+            # Check for overlap with a tolerance of +/- 2 hours
+            if (event_start < pe_end + datetime.timedelta(hours=2) and event_end > pe_start - datetime.timedelta(hours=2)):
+                # Handle parallel event conflict
+                return redirect('dashboard') # Or show an error message
+
     participation, created = EventParticipation.objects.get_or_create(user=child, event=event)
     participation.status = status
     participation.save()
 
-    return redirect('dashboard')
+    return redirect('dashboard')
+
+@login_required
+def open_game(request, game_id):
+    game = get_object_or_404(Game, id=game_id)
+    club = game.team.club
+
+    # Permission check: only head coach of the team's club can open the game
+    if not request.user.is_superuser and request.user not in club.administrators.all():
+        return redirect('dashboard')
+
+    if request.method == 'POST':
+        form = OpenGameForm(request.POST, club=club)
+        if form.is_valid():
+            teams = form.cleaned_data['teams']
+            game.opened_for_teams.add(*teams)
+            return redirect('dashboard')
+    else:
+        form = OpenGameForm(club=club)
+
+    return render(request, 'calendars/open_game.html', {'form': form, 'game': game})

dashboard/templates/dashboard/dashboard.html

@@ -18,6 +18,9 @@
         <div class="list-group-item list-group-item-action flex-column align-items-start
           {% if item.event.game %}
             event-game
+            {% if user.team in item.event.game.opened_for_teams.all %}
+              support-game
+            {% endif %}
           {% elif item.event.training %}
             event-training
           {% else %}
@@ -38,6 +41,10 @@
             <a href="{% url 'event-update' item.event.pk %}" class="btn btn-warning btn-sm">Edit</a>
             <a href="{% url 'event-delete' item.event.pk %}" class="btn btn-danger btn-sm">Delete</a>
             
+            {% if item.event.game and item.days_until_event >= 0 and item.days_until_event < 7 and item.accepted_count < item.required_players and item.event.team.club.teams.count > 1 %}
+              <a href="{% url 'open-game' item.event.game.id %}" class="btn btn-info btn-sm">Open Game</a>
+            {% endif %}
+            
             <div class="mt-3">
                 <h6>Player Participation ({{ item.accepted_count }}/{{ item.required_players }})</h6>
                 <div style="column-count: 3;">

dashboard/views.py

@@ -2,6 +2,7 @@ from django.shortcuts import render
 from django.contrib.auth.decorators import login_required
 from calendars.models import Event, EventParticipation
 from clubs.models import Team
+from django.utils import timezone
 
 @login_required
 def dashboard(request):
@@ -17,8 +18,11 @@ def dashboard(request):
     assisted_teams = user.assisted_teams.all()
     from itertools import chain
     all_teams = list(set(chain(player_teams, coached_teams, assisted_teams)))
+    
     if all_teams:
-        events = Event.objects.filter(team__in=all_teams).select_related('game', 'training').prefetch_related('team__players', 'eventparticipation_set__user').order_by('start_time')
+        user_events = Event.objects.filter(team__in=all_teams)
+        opened_games = Event.objects.filter(game__opened_for_teams__in=all_teams)
+        events = (user_events | opened_games).distinct().select_related('game', 'training').prefetch_related('team__players', 'eventparticipation_set__user').order_by('start_time')
         
         for event in events:
             participations = event.eventparticipation_set.all()
@@ -33,11 +37,14 @@ def dashboard(request):
                 status = participation_map.get(player.id, 'maybe')
                 player_participations.append({'player': player, 'status': status})
 
+            days_until_event = (event.start_time - timezone.now()).days
+
             events_with_participation.append({
                 'event': event,
                 'accepted_count': accepted_count,
                 'required_players': required_players,
-                'player_participations': player_participations
+                'player_participations': player_participations,
+                'days_until_event': days_until_event
             })
 
     # Get children's events
@@ -45,7 +52,10 @@ def dashboard(request):
         for child in user.children.all():
             child_events_list = []
             if child.team:
-                child_events = Event.objects.filter(team=child.team).select_related('game', 'training').order_by('start_time')
+                child_user_events = Event.objects.filter(team=child.team)
+                child_opened_games = Event.objects.filter(game__opened_for_teams=child.team)
+                child_events = (child_user_events | child_opened_games).distinct().select_related('game', 'training').order_by('start_time')
+                
                 for event in child_events:
                     participation, created = EventParticipation.objects.get_or_create(user=child, event=event)
                     child_events_list.append({'event': event, 'participation': participation})
@@ -54,5 +64,6 @@ def dashboard(request):
     context = {
         'events_with_participation': events_with_participation,
         'children_events': children_events,
+        'now': timezone.now()
     }
     return render(request, 'dashboard/dashboard.html', context)

docs/traceback/trace6.log

@@ -0,0 +1,71 @@
+Traceback (most recent call last):
+  File "/usr/lib64/python3.13/threading.py", line 1043, in _bootstrap_inner
+    self.run()
+    ~~~~~~~~^^
+  File "/usr/lib64/python3.13/threading.py", line 994, in run
+    self._target(*self._args, **self._kwargs)
+    ~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/utils/autoreload.py", line 64, in wrapper
+    fn(*args, **kwargs)
+    ~~^^^^^^^^^^^^^^^^^
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/core/management/commands/runserver.py", line 134, in inner_run
+    self.check(**check_kwargs)
+    ~~~~~~~~~~^^^^^^^^^^^^^^^^
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/core/management/base.py", line 492, in check
+    all_issues = checks.run_checks(
+        app_configs=app_configs,
+    ...<2 lines>...
+        databases=databases,
+    )
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/core/checks/registry.py", line 89, in run_checks
+    new_errors = check(app_configs=app_configs, databases=databases)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/core/checks/urls.py", line 16, in check_url_config
+    return check_resolver(resolver)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/core/checks/urls.py", line 26, in check_resolver
+    return check_method()
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/urls/resolvers.py", line 531, in check
+    for pattern in self.url_patterns:
+                   ^^^^^^^^^^^^^^^^^
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/utils/functional.py", line 47, in __get__
+    res = instance.__dict__[self.name] = self.func(instance)
+                                         ~~~~~~~~~^^^^^^^^^^
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/urls/resolvers.py", line 718, in url_patterns
+    patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
+                       ^^^^^^^^^^^^^^^^^^^
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/utils/functional.py", line 47, in __get__
+    res = instance.__dict__[self.name] = self.func(instance)
+                                         ~~~~~~~~~^^^^^^^^^^
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/urls/resolvers.py", line 711, in urlconf_module
+    return import_module(self.urlconf_name)
+  File "/usr/lib64/python3.13/importlib/__init__.py", line 88, in import_module
+    return _bootstrap._gcd_import(name[level:], package, level)
+           ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "<frozen importlib._bootstrap>", line 1387, in _gcd_import
+  File "<frozen importlib._bootstrap>", line 1360, in _find_and_load
+  File "<frozen importlib._bootstrap>", line 1331, in _find_and_load_unlocked
+  File "<frozen importlib._bootstrap>", line 935, in _load_unlocked
+  File "<frozen importlib._bootstrap_external>", line 1026, in exec_module
+  File "<frozen importlib._bootstrap>", line 488, in _call_with_frames_removed
+  File "/home/mnagel/Projekte/baseball_organisator/baseball_organisator/urls.py", line 25, in <module>
+    path('calendars/', include('calendars.urls')),
+                       ~~~~~~~^^^^^^^^^^^^^^^^^^
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/urls/conf.py", line 39, in include
+    urlconf_module = import_module(urlconf_module)
+  File "/usr/lib64/python3.13/importlib/__init__.py", line 88, in import_module
+    return _bootstrap._gcd_import(name[level:], package, level)
+           ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "<frozen importlib._bootstrap>", line 1387, in _gcd_import
+  File "<frozen importlib._bootstrap>", line 1360, in _find_and_load
+  File "<frozen importlib._bootstrap>", line 1331, in _find_and_load_unlocked
+  File "<frozen importlib._bootstrap>", line 935, in _load_unlocked
+  File "<frozen importlib._bootstrap_external>", line 1026, in exec_module
+  File "<frozen importlib._bootstrap>", line 488, in _call_with_frames_removed
+  File "/home/mnagel/Projekte/baseball_organisator/calendars/urls.py", line 2, in <module>
+    from . import views
+  File "/home/mnagel/Projekte/baseball_organisator/calendars/views.py", line 7, in <module>
+    from .forms import EventForm, TrainingForm, GameForm
+  File "/home/mnagel/Projekte/baseball_organisator/calendars/forms.py", line 1, in <module>
+    class OpenGameForm(forms.Form):
+                       ^^^^^
+NameError: name 'forms' is not defined. Did you mean: 'format'?
+

docs/traceback/trace7.log

@@ -0,0 +1,108 @@
+Internal Server Error: /
+Traceback (most recent call last):
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/smartif.py", line 180, in translate_token
+    op = OPERATORS[token]
+         ~~~~~~~~~^^^^^^^
+KeyError: '(item.event.start_time'
+
+During handling of the above exception, another exception occurred:
+
+Traceback (most recent call last):
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/core/handlers/exception.py", line 55, in inner
+    response = get_response(request)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/core/handlers/base.py", line 197, in _get_response
+    response = wrapped_callback(request, *callback_args, **callback_kwargs)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/contrib/auth/decorators.py", line 59, in _view_wrapper
+    return view_func(request, *args, **kwargs)
+  File "/home/mnagel/Projekte/baseball_organisator/dashboard/views.py", line 66, in dashboard
+    return render(request, 'dashboard/dashboard.html', context)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/shortcuts.py", line 25, in render
+    content = loader.render_to_string(template_name, context, request, using=using)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/loader.py", line 61, in render_to_string
+    template = get_template(template_name, using=using)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/loader.py", line 15, in get_template
+    return engine.get_template(template_name)
+           ~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/backends/django.py", line 79, in get_template
+    return Template(self.engine.get_template(template_name), self)
+                    ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/engine.py", line 177, in get_template
+    template, origin = self.find_template(template_name)
+                       ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/engine.py", line 159, in find_template
+    template = loader.get_template(name, skip=skip)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/loaders/cached.py", line 57, in get_template
+    template = super().get_template(template_name, skip)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/loaders/base.py", line 28, in get_template
+    return Template(
+        contents,
+    ...<2 lines>...
+        self.engine,
+    )
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/base.py", line 154, in __init__
+    self.nodelist = self.compile_nodelist()
+                    ~~~~~~~~~~~~~~~~~~~~~^^
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/base.py", line 196, in compile_nodelist
+    nodelist = parser.parse()
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/base.py", line 518, in parse
+    raise self.error(token, e)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/base.py", line 516, in parse
+    compiled_result = compile_func(self, token)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/loader_tags.py", line 299, in do_extends
+    nodelist = parser.parse()
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/base.py", line 518, in parse
+    raise self.error(token, e)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/base.py", line 516, in parse
+    compiled_result = compile_func(self, token)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/loader_tags.py", line 234, in do_block
+    nodelist = parser.parse(("endblock",))
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/base.py", line 518, in parse
+    raise self.error(token, e)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/base.py", line 516, in parse
+    compiled_result = compile_func(self, token)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/defaulttags.py", line 962, in do_if
+    nodelist = parser.parse(("elif", "else", "endif"))
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/base.py", line 518, in parse
+    raise self.error(token, e)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/base.py", line 516, in parse
+    compiled_result = compile_func(self, token)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/defaulttags.py", line 862, in do_for
+    nodelist_loop = parser.parse(
+        (
+    ...<2 lines>...
+        )
+    )
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/base.py", line 518, in parse
+    raise self.error(token, e)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/base.py", line 516, in parse
+    compiled_result = compile_func(self, token)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/defaulttags.py", line 962, in do_if
+    nodelist = parser.parse(("elif", "else", "endif"))
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/base.py", line 518, in parse
+    raise self.error(token, e)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/base.py", line 516, in parse
+    compiled_result = compile_func(self, token)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/defaulttags.py", line 961, in do_if
+    condition = TemplateIfParser(parser, bits).parse()
+                ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/defaulttags.py", line 894, in __init__
+    super().__init__(*args, **kwargs)
+    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/smartif.py", line 171, in __init__
+    mapped_tokens.append(self.translate_token(token))
+                         ~~~~~~~~~~~~~~~~~~~~^^^^^^^
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/smartif.py", line 182, in translate_token
+    return self.create_var(token)
+           ~~~~~~~~~~~~~~~^^^^^^^
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/defaulttags.py", line 897, in create_var
+    return TemplateLiteral(self.template_parser.compile_filter(value), value)
+                           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/base.py", line 609, in compile_filter
+    return FilterExpression(token, self)
+  File "/home/mnagel/Projekte/baseball_organisator/venv/lib64/python3.13/site-packages/django/template/base.py", line 710, in __init__
+    raise TemplateSyntaxError(
+    ...<2 lines>...
+    )
+django.template.exceptions.TemplateSyntaxError: Could not parse the remainder: '(item.event.start_time' from '(item.event.start_time'
+[01/Oct/2025 12:32:40] "GET / HTTP/1.1" 500 399373
+

templates/base.html

@@ -14,6 +14,9 @@
         .event-generic {
             border-left: 5px solid #6c757d; /* gray */
         }
+        .support-game {
+            border: 2px solid #ffc107; /* yellow */
+        }
     </style>
 </head>
 <body>