Add admin template for setting club for multiple events

tournaments/admin.py

@@ -117,6 +117,7 @@ class EventAdmin(SyncedObjectAdmin):
     raw_id_fields = ['related_user', 'creator', 'club']
     ordering = ['-creation_date']
     readonly_fields = ['display_images_preview']
+    actions = ['set_club_action']
 
     fieldsets = [
         (None, {'fields': ['last_update', 'related_user', 'name', 'club', 'creator', 'creation_date', 'tenup_id']}),
@@ -146,6 +147,47 @@ class EventAdmin(SyncedObjectAdmin):
         return mark_safe(html)
     display_images_preview.short_description = 'Images Preview'
 
+    def set_club_action(self, request, queryset):
+        """Action to set club for selected events"""
+        from django import forms
+        from django.contrib.admin.widgets import ForeignKeyRawIdWidget
+
+        class ClubSelectionForm(forms.Form):
+            club = forms.ModelChoiceField(
+                queryset=Club.objects.all(),
+                required=True,
+                label='Club',
+                help_text='Enter Club ID or use the search icon to find a club',
+                widget=ForeignKeyRawIdWidget(
+                    Event._meta.get_field('club').remote_field,
+                    self.admin_site
+                )
+            )
+
+        if 'apply' in request.POST:
+            form = ClubSelectionForm(request.POST)
+            if form.is_valid():
+                club = form.cleaned_data['club']
+                updated_count = queryset.update(club=club)
+                self.message_user(
+                    request,
+                    f'Successfully updated {updated_count} event(s) with club: {club.name}',
+                    messages.SUCCESS
+                )
+                return None
+        else:
+            form = ClubSelectionForm()
+
+        context = {
+            'form': form,
+            'events': queryset,
+            'action_name': 'set_club_action',
+            'title': 'Set Club for Events',
+        }
+        return render(request, 'admin/tournaments/set_club_action.html', context)
+
+    set_club_action.short_description = "Set club for selected events"
+
 class TournamentAdmin(SyncedObjectAdmin):
     list_display = ['display_name', 'event', 'is_private', 'start_date', 'payment', 'creator', 'is_canceled']
     list_filter = [StartDateRangeFilter, 'is_deleted', 'event__creator']

tournaments/templates/admin/tournaments/set_club_action.html

@@ -0,0 +1,66 @@
+{% extends "admin/base_site.html" %}
+{% load static %}
+
+{% block extrahead %}
+    {{ block.super }}
+    {{ form.media }}
+{% endblock %}
+
+{% block content %}
+<h1>{{ title }}</h1>
+
+<p>You are about to set the club for the following {{ events|length }} event(s):</p>
+
+<div style="margin: 20px 0; padding: 15px; background-color: #f8f9fa; border: 1px solid #dee2e6; border-radius: 4px;">
+    <ul style="margin: 0; padding-left: 20px;">
+    {% for event in events %}
+        <li>
+            <strong>{{ event.name }}</strong>
+            {% if event.club %}
+                (currently: {{ event.club.name }})
+            {% else %}
+                (currently: No club assigned)
+            {% endif %}
+        </li>
+    {% endfor %}
+    </ul>
+</div>
+
+<form method="post">
+    {% csrf_token %}
+
+    <div style="margin: 20px 0;">
+        <div class="form-row">
+            {{ form.club.errors }}
+            <div>
+                <label for="{{ form.club.id_for_label }}">{{ form.club.label }}:</label>
+                <div class="help">{{ form.club.help_text }}</div>
+                {{ form.club }}
+            </div>
+        </div>
+    </div>
+
+    <div style="margin-top: 20px;">
+        <input type="submit" name="apply" value="Set Club" class="button default" style="
+            background-color: #417690;
+            color: white;
+            padding: 10px 20px;
+            border: none;
+            border-radius: 4px;
+            cursor: pointer;
+            font-size: 14px;
+            margin-right: 10px;
+        "/>
+
+        <a href="{% url 'admin:tournaments_event_changelist' %}" class="button" style="
+            display: inline-block;
+            padding: 10px 20px;
+            background-color: #6c757d;
+            color: white;
+            text-decoration: none;
+            border-radius: 4px;
+            font-size: 14px;
+        ">Cancel</a>
+    </div>
+</form>
+{% endblock %}