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AdventureLog/backend/server/adventures/serializers.py
Sean Morley 14eb4ca802 feat(collections): enhance collections page with sorting, filtering, and pagination features
- Updated the collections loading logic to include sorting and pagination parameters from the URL.
- Refactored the collections page to manage owned, shared, and archived collections with a tabbed interface.
- Added sorting functionality to allow users to sort collections by different attributes.
- Implemented a sidebar for filtering and sorting options.
- Improved the UI for better user experience, including a floating action button for creating new collections.
- Added a not found page for collections that do not exist, enhancing error handling.
2025-06-13 12:11:42 -04:00

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Python

from django.utils import timezone
import os
from .models import Adventure, AdventureImage, ChecklistItem, Collection, Note, Transportation, Checklist, Visit, Category, Attachment, Lodging
from rest_framework import serializers
from main.utils import CustomModelSerializer
from users.serializers import CustomUserDetailsSerializer
from worldtravel.serializers import CountrySerializer, RegionSerializer, CitySerializer
from geopy.distance import geodesic
from integrations.models import ImmichIntegration
class AdventureImageSerializer(CustomModelSerializer):
class Meta:
model = AdventureImage
fields = ['id', 'image', 'adventure', 'is_primary', 'user_id', 'immich_id']
read_only_fields = ['id', 'user_id']
def to_representation(self, instance):
# If immich_id is set, check for user integration once
integration = None
if instance.immich_id:
integration = ImmichIntegration.objects.filter(user=instance.user_id).first()
if not integration:
return None # Skip if Immich image but no integration
# Base representation
representation = super().to_representation(instance)
# Prepare public URL once
public_url = os.environ.get('PUBLIC_URL', 'http://127.0.0.1:8000').rstrip('/').replace("'", "")
if instance.immich_id:
# Use Immich integration URL
representation['image'] = f"{public_url}/api/integrations/immich/{integration.id}/get/{instance.immich_id}"
elif instance.image:
# Use local image URL
representation['image'] = f"{public_url}/media/{instance.image.name}"
return representation
class AttachmentSerializer(CustomModelSerializer):
extension = serializers.SerializerMethodField()
class Meta:
model = Attachment
fields = ['id', 'file', 'adventure', 'extension', 'name', 'user_id']
read_only_fields = ['id', 'user_id']
def get_extension(self, obj):
return obj.file.name.split('.')[-1]
def to_representation(self, instance):
representation = super().to_representation(instance)
if instance.file:
public_url = os.environ.get('PUBLIC_URL', 'http://127.0.0.1:8000').rstrip('/')
#print(public_url)
# remove any ' from the url
public_url = public_url.replace("'", "")
representation['file'] = f"{public_url}/media/{instance.file.name}"
return representation
class CategorySerializer(serializers.ModelSerializer):
num_adventures = serializers.SerializerMethodField()
class Meta:
model = Category
fields = ['id', 'name', 'display_name', 'icon', 'num_adventures']
read_only_fields = ['id', 'num_adventures']
def validate_name(self, value):
return value.lower()
def create(self, validated_data):
user = self.context['request'].user
validated_data['name'] = validated_data['name'].lower()
return Category.objects.create(user_id=user, **validated_data)
def update(self, instance, validated_data):
for attr, value in validated_data.items():
setattr(instance, attr, value)
if 'name' in validated_data:
instance.name = validated_data['name'].lower()
instance.save()
return instance
def get_num_adventures(self, obj):
return Adventure.objects.filter(category=obj, user_id=obj.user_id).count()
class VisitSerializer(serializers.ModelSerializer):
class Meta:
model = Visit
fields = ['id', 'start_date', 'end_date', 'timezone', 'notes']
read_only_fields = ['id']
class AdventureSerializer(CustomModelSerializer):
images = serializers.SerializerMethodField()
visits = VisitSerializer(many=True, read_only=False, required=False)
attachments = AttachmentSerializer(many=True, read_only=True)
category = CategorySerializer(read_only=False, required=False)
is_visited = serializers.SerializerMethodField()
user = serializers.SerializerMethodField()
country = CountrySerializer(read_only=True)
region = RegionSerializer(read_only=True)
city = CitySerializer(read_only=True)
collections = serializers.PrimaryKeyRelatedField(
many=True,
queryset=Collection.objects.all(),
required=False
)
class Meta:
model = Adventure
fields = [
'id', 'user_id', 'name', 'description', 'rating', 'activity_types', 'location',
'is_public', 'collections', 'created_at', 'updated_at', 'images', 'link', 'longitude',
'latitude', 'visits', 'is_visited', 'category', 'attachments', 'user', 'city', 'country', 'region'
]
read_only_fields = ['id', 'created_at', 'updated_at', 'user_id', 'is_visited', 'user']
def get_images(self, obj):
serializer = AdventureImageSerializer(obj.images.all(), many=True, context=self.context)
# Filter out None values from the serialized data
return [image for image in serializer.data if image is not None]
def validate_collections(self, collections):
"""Validate that collections belong to the same user"""
if not collections:
return collections
user = self.context['request'].user
for collection in collections:
if collection.user_id != user:
raise serializers.ValidationError(
f"Collection '{collection.name}' does not belong to the current user."
)
return collections
def validate_category(self, category_data):
if isinstance(category_data, Category):
return category_data
if category_data:
user = self.context['request'].user
name = category_data.get('name', '').lower()
existing_category = Category.objects.filter(user_id=user, name=name).first()
if existing_category:
return existing_category
category_data['name'] = name
return category_data
def get_or_create_category(self, category_data):
user = self.context['request'].user
if isinstance(category_data, Category):
return category_data
if isinstance(category_data, dict):
name = category_data.get('name', '').lower()
display_name = category_data.get('display_name', name)
icon = category_data.get('icon', '🌍')
else:
name = category_data.name.lower()
display_name = category_data.display_name
icon = category_data.icon
category, created = Category.objects.get_or_create(
user_id=user,
name=name,
defaults={
'display_name': display_name,
'icon': icon
}
)
return category
def get_user(self, obj):
user = obj.user_id
return CustomUserDetailsSerializer(user).data
def get_is_visited(self, obj):
return obj.is_visited_status()
def create(self, validated_data):
visits_data = validated_data.pop('visits', None)
category_data = validated_data.pop('category', None)
collections_data = validated_data.pop('collections', [])
print(category_data)
adventure = Adventure.objects.create(**validated_data)
# Handle visits
for visit_data in visits_data:
Visit.objects.create(adventure=adventure, **visit_data)
# Handle category
if category_data:
category = self.get_or_create_category(category_data)
adventure.category = category
# Handle collections - set after adventure is saved
if collections_data:
adventure.collections.set(collections_data)
adventure.save()
return adventure
def update(self, instance, validated_data):
has_visits = 'visits' in validated_data
visits_data = validated_data.pop('visits', [])
category_data = validated_data.pop('category', None)
collections_data = validated_data.pop('collections', None)
# Update regular fields
for attr, value in validated_data.items():
setattr(instance, attr, value)
# Handle category - ONLY allow the adventure owner to change categories
user = self.context['request'].user
if category_data and instance.user_id == user:
# Only the owner can set categories
category = self.get_or_create_category(category_data)
instance.category = category
# If not the owner, ignore category changes
# Handle collections - only update if collections were provided
if collections_data is not None:
instance.collections.set(collections_data)
# Handle visits
if has_visits:
current_visits = instance.visits.all()
current_visit_ids = set(current_visits.values_list('id', flat=True))
updated_visit_ids = set()
for visit_data in visits_data:
visit_id = visit_data.get('id')
if visit_id and visit_id in current_visit_ids:
visit = current_visits.get(id=visit_id)
for attr, value in visit_data.items():
setattr(visit, attr, value)
visit.save()
updated_visit_ids.add(visit_id)
else:
new_visit = Visit.objects.create(adventure=instance, **visit_data)
updated_visit_ids.add(new_visit.id)
visits_to_delete = current_visit_ids - updated_visit_ids
instance.visits.filter(id__in=visits_to_delete).delete()
# call save on the adventure to update the updated_at field and trigger any geocoding
instance.save()
return instance
class TransportationSerializer(CustomModelSerializer):
distance = serializers.SerializerMethodField()
class Meta:
model = Transportation
fields = [
'id', 'user_id', 'type', 'name', 'description', 'rating',
'link', 'date', 'flight_number', 'from_location', 'to_location',
'is_public', 'collection', 'created_at', 'updated_at', 'end_date',
'origin_latitude', 'origin_longitude', 'destination_latitude', 'destination_longitude',
'start_timezone', 'end_timezone', 'distance' # ✅ Add distance here
]
read_only_fields = ['id', 'created_at', 'updated_at', 'user_id', 'distance']
def get_distance(self, obj):
if (
obj.origin_latitude and obj.origin_longitude and
obj.destination_latitude and obj.destination_longitude
):
try:
origin = (float(obj.origin_latitude), float(obj.origin_longitude))
destination = (float(obj.destination_latitude), float(obj.destination_longitude))
return round(geodesic(origin, destination).km, 2)
except ValueError:
return None
return None
class LodgingSerializer(CustomModelSerializer):
class Meta:
model = Lodging
fields = [
'id', 'user_id', 'name', 'description', 'rating', 'link', 'check_in', 'check_out',
'reservation_number', 'price', 'latitude', 'longitude', 'location', 'is_public',
'collection', 'created_at', 'updated_at', 'type', 'timezone'
]
read_only_fields = ['id', 'created_at', 'updated_at', 'user_id']
class NoteSerializer(CustomModelSerializer):
class Meta:
model = Note
fields = [
'id', 'user_id', 'name', 'content', 'date', 'links',
'is_public', 'collection', 'created_at', 'updated_at'
]
read_only_fields = ['id', 'created_at', 'updated_at', 'user_id']
class ChecklistItemSerializer(CustomModelSerializer):
class Meta:
model = ChecklistItem
fields = [
'id', 'user_id', 'name', 'is_checked', 'checklist', 'created_at', 'updated_at'
]
read_only_fields = ['id', 'created_at', 'updated_at', 'user_id', 'checklist']
class ChecklistSerializer(CustomModelSerializer):
items = ChecklistItemSerializer(many=True, source='checklistitem_set')
class Meta:
model = Checklist
fields = [
'id', 'user_id', 'name', 'date', 'is_public', 'collection', 'created_at', 'updated_at', 'items'
]
read_only_fields = ['id', 'created_at', 'updated_at', 'user_id']
def create(self, validated_data):
items_data = validated_data.pop('checklistitem_set')
checklist = Checklist.objects.create(**validated_data)
for item_data in items_data:
# Remove user_id from item_data to avoid constraint issues
item_data.pop('user_id', None)
# Set user_id from the parent checklist
ChecklistItem.objects.create(
checklist=checklist,
user_id=checklist.user_id,
**item_data
)
return checklist
def update(self, instance, validated_data):
items_data = validated_data.pop('checklistitem_set', [])
# Update Checklist fields
for attr, value in validated_data.items():
setattr(instance, attr, value)
instance.save()
# Get current items
current_items = instance.checklistitem_set.all()
current_item_ids = set(current_items.values_list('id', flat=True))
# Update or create items
updated_item_ids = set()
for item_data in items_data:
# Remove user_id from item_data to avoid constraint issues
item_data.pop('user_id', None)
item_id = item_data.get('id')
if item_id:
if item_id in current_item_ids:
item = current_items.get(id=item_id)
for attr, value in item_data.items():
setattr(item, attr, value)
item.save()
updated_item_ids.add(item_id)
else:
# If ID is provided but doesn't exist, create new item
ChecklistItem.objects.create(
checklist=instance,
user_id=instance.user_id,
**item_data
)
else:
# If no ID is provided, create new item
ChecklistItem.objects.create(
checklist=instance,
user_id=instance.user_id,
**item_data
)
# Delete items that are not in the updated data
items_to_delete = current_item_ids - updated_item_ids
instance.checklistitem_set.filter(id__in=items_to_delete).delete()
return instance
def validate(self, data):
# Check if the collection is public and the checklist is not
collection = data.get('collection')
is_public = data.get('is_public', False)
if collection and collection.is_public and not is_public:
raise serializers.ValidationError(
'Checklists associated with a public collection must be public.'
)
return data
class CollectionSerializer(CustomModelSerializer):
adventures = AdventureSerializer(many=True, read_only=True)
transportations = TransportationSerializer(many=True, read_only=True, source='transportation_set')
notes = NoteSerializer(many=True, read_only=True, source='note_set')
checklists = ChecklistSerializer(many=True, read_only=True, source='checklist_set')
lodging = LodgingSerializer(many=True, read_only=True, source='lodging_set')
class Meta:
model = Collection
fields = ['id', 'description', 'user_id', 'name', 'is_public', 'adventures', 'created_at', 'start_date', 'end_date', 'transportations', 'notes', 'updated_at', 'checklists', 'is_archived', 'shared_with', 'link', 'lodging']
read_only_fields = ['id', 'created_at', 'updated_at', 'user_id']
def to_representation(self, instance):
representation = super().to_representation(instance)
# Make it display the user uuid for the shared users instead of the PK
shared_uuids = []
for user in instance.shared_with.all():
shared_uuids.append(str(user.uuid))
representation['shared_with'] = shared_uuids
return representation