feat: implement pagination, add activity types and stats views; update category management and localization

backend/server/adventures/views/ics_calendar_view.py

@@ -0,0 +1,67 @@
+from django.http import HttpResponse
+from rest_framework import viewsets
+from rest_framework.decorators import action
+from rest_framework.permissions import IsAuthenticated
+from icalendar import Calendar, Event, vText, vCalAddress
+from datetime import datetime, timedelta
+from adventures.models import Adventure
+from adventures.serializers import AdventureSerializer
+
+class IcsCalendarGeneratorViewSet(viewsets.ViewSet):
+    permission_classes = [IsAuthenticated]
+
+    @action(detail=False, methods=['get'])
+    def generate(self, request):
+        adventures = Adventure.objects.filter(user_id=request.user)
+        serializer = AdventureSerializer(adventures, many=True)
+        user = request.user
+        name = f"{user.first_name} {user.last_name}"
+        print(serializer.data)
+        
+        cal = Calendar()
+        cal.add('prodid', '-//My Adventure Calendar//example.com//')
+        cal.add('version', '2.0')
+
+        for adventure in serializer.data:
+            if adventure['visits']:
+                for visit in adventure['visits']:
+                    # Skip if start_date is missing
+                    if not visit.get('start_date'):
+                        continue
+
+                    # Parse start_date and handle end_date
+                    try:
+                        start_date = datetime.strptime(visit['start_date'], '%Y-%m-%d').date()
+                    except ValueError:
+                        continue  # Skip if the start_date is invalid
+
+                    end_date = (
+                        datetime.strptime(visit['end_date'], '%Y-%m-%d').date() + timedelta(days=1)
+                        if visit.get('end_date') else start_date + timedelta(days=1)
+                    )
+                    
+                    # Create event
+                    event = Event()
+                    event.add('summary', adventure['name'])
+                    event.add('dtstart', start_date)
+                    event.add('dtend', end_date)
+                    event.add('dtstamp', datetime.now())
+                    event.add('transp', 'TRANSPARENT')
+                    event.add('class', 'PUBLIC')
+                    event.add('created', datetime.now())
+                    event.add('last-modified', datetime.now())
+                    event.add('description', adventure['description'])
+                    if adventure.get('location'):
+                        event.add('location', adventure['location'])
+                    if adventure.get('link'):
+                        event.add('url', adventure['link'])
+                    
+                    organizer = vCalAddress(f'MAILTO:{user.email}')
+                    organizer.params['cn'] = vText(name)
+                    event.add('organizer', organizer)
+                
+                    cal.add_component(event)
+        
+        response = HttpResponse(cal.to_ical(), content_type='text/calendar')
+        response['Content-Disposition'] = 'attachment; filename=adventures.ics'
+        return response