Introduce ical action on MealPlanViewSet to expose ical format for listing meal plans.

cookbook/views/api.py

@@ -41,7 +41,7 @@ from recipe_scrapers._exceptions import NoSchemaFoundInWildMode
 from requests.exceptions import MissingSchema
 from rest_framework import decorators, status, viewsets
 from rest_framework.authtoken.views import ObtainAuthToken
-from rest_framework.decorators import api_view, permission_classes
+from rest_framework.decorators import action, api_view, permission_classes
 from rest_framework.exceptions import APIException, PermissionDenied
 from rest_framework.pagination import PageNumberPagination
 from rest_framework.parsers import MultiPartParser
@@ -804,6 +804,13 @@ class MealPlanViewSet(viewsets.ModelViewSet):
             queryset = queryset.filter(meal_type__in=meal_type)
 
         return queryset
+    
+    @action(detail=False)
+    def ical(self, request):
+        from_date = self.request.query_params.get('from_date', None)
+        to_date = self.request.query_params.get('to_date', None)
+        return meal_plans_to_ical(self.get_queryset(), f'meal_plan_{from_date}-{to_date}.ics')
+
 
 
 class AutoPlanViewSet(viewsets.ViewSet):
@@ -1786,6 +1793,9 @@ def get_plan_ical(request, from_date=datetime.date.today(), to_date=None):
     if to_date is not None:
         queryset = queryset.filter(to_date__lte=to_date)
 
+    return meal_plans_to_ical(queryset, f'meal_plan_{from_date}-{to_date}.ics')
+
+def meal_plans_to_ical(queryset, filename):
     cal = Calendar()
 
     for p in queryset:
@@ -1801,7 +1811,7 @@ def get_plan_ical(request, from_date=datetime.date.today(), to_date=None):
         cal.add_component(event)
 
     response = FileResponse(io.BytesIO(cal.to_ical()))
-    response["Content-Disposition"] = f'attachment; filename=meal_plan_{from_date}-{to_date}.ics'  # noqa: E501
+    response["Content-Disposition"] = f'attachment; filename={filename}'  # noqa: E501
 
     return response