def all_difficulties(self, request, *args, **kwargs):
"""
Get all difficulties list
"""
qs = trekking_models.DifficultyLevel.objects.all()
data = api_serializers.DifficultySerializer(qs, many=True, context={'request': request}).data
return response.Response(data)
def used_difficulties(self, request, *args, **kwargs):
"""
Get difficulties used by Trek instances
"""
data = api_serializers.DifficultySerializer(trekking_models.DifficultyLevel.objects.filter(
pk__in=trekking_models.Trek.objects.existing().values_list('difficulty_id', flat=True)),
many=True,
context={'request': request}).data
return response.Response(data)