feat: Convert activity input to lowercase for consistency

backend/server/adventures/models.py

@@ -42,6 +42,7 @@ class Adventure(models.Model):
                 raise ValidationError('Adventures associated with a public collection must be public. Collection: ' + self.trip.name + ' Adventure: ' + self.name)
             if self.user_id != self.collection.user_id:
                 raise ValidationError('Adventures must be associated with collections owned by the same user. Collection owner: ' + self.collection.user_id.username + ' Adventure owner: ' + self.user_id.username)
+
     def __str__(self):
         return self.name
 

backend/server/adventures/serializers.py

@@ -18,6 +18,11 @@ class AdventureSerializer(serializers.ModelSerializer):
             representation['image'] = f"{public_url}/media/{instance.image.name}"
         return representation
     
+    def validate_activity_types(self, value):
+        if value:
+            return [activity.lower() for activity in value]
+        return value
+    
 class CollectionSerializer(serializers.ModelSerializer):
     adventures = AdventureSerializer(many=True, read_only=True, source='adventure_set')