Day4 - 장고 온보딩 프로젝트 4

학습한 내용

FilterSets NumberFilter

• https://django-filter.readthedocs.io/en/stable/guide/rest_framework.html#adding-a-filterset-with-filterset-class
• NumberFilter: 숫자 값 기준으로 필터
  • gte: 이상(greater than or equal)
  • lte:이하(less than or equal)
  • gt: 초과(greater than)
  • lt: 미만(less than)

from django_filters import rest_framework as filters

class MovieFilter(filters.FilterSet):
    avg_rating_filter = filters.NumberFilter(field_name='avg_rating', lookup_expr='gte', label="avg_rating (greater than or equal)")

 

Views & Serializers - Foreign Key

• https://docs.djangoproject.com/en/4.0/ref/models/querysets/#prefetch-related
• https://docs.djangoproject.com/en/4.0/ref/models/querysets/#prefetch-objects
• Prefetch: Foreign key 함께 보여주고 싶을 때 사용

from django.db.models import Prefetch

class MovieDetailUpdateDeleteView(generics.RetrieveUpdateDestroyAPIView):
    queryset = Movie.objects.all().prefetch_related(
        Prefetch("review_set", queryset = Review.objects.order_by('-created'))
    )

 

Paginations - 모든 뷰에서 사용

• https://www.django-rest-framework.org/api-guide/pagination/
• settings.py에서 REST_FRAMEWORK의 DEFAULT_PAGINATION_CLASS 설정

REST_FRAMEWORK = {
    'DEFAULT_PAGINATION_CLASS' : 'api.v1.common.paginations.DefaultPagination',
}