课程详情页之后台

详情页后台

路由：source/urls.py
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router.register('free', views.CourseViewSet, 'free')  # 课程
router.register('chapters', views.ChapterViewSet, 'chapter')  # 章节
视图：source/views.py
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from rest_framework.viewsets import GenericViewSet
from rest_framework.mixins import ListModelMixin, RetrieveModelMixin
from . import models, serializers

# 课程群查
from . import pagination
from rest_framework.filters import SearchFilter, OrderingFilter
from django_filters.rest_framework import DjangoFilterBackend
from .filters import CourseFilterSet
class CourseViewSet(GenericViewSet, ListModelMixin, RetrieveModelMixin):
    queryset = models.Course.objects.filter(is_delete=False, is_show=True).all()
    serializer_class = serializers.CourseSerializer

    # 分页组件
    pagination_class = pagination.PageNumberPagination
    # 过滤组件：实际开发，有多个过滤条件时，要把优先级高的放在前面

    filter_backends = [SearchFilter, OrderingFilter, DjangoFilterBackend]
    # 参与搜索的字段
    # search_fields = ['name', 'id', 'brief']

    # 允许排序的字段
    ordering_fields = ['id', 'price']

    # 过滤类：分类过滤、区间过滤
    filter_class = CourseFilterSet



# 一个课程的所有章节（群查）
classChapterViewSet(GenericViewSet, ListModelMixin):
    queryset = models.CourseChapter.objects.filter(is_delete=False, is_show=True).all()
    serializer_class = serializers.CourseChapterSerializer

# 基于课程分类条件下的查询
    filter_backends = [DjangoFilterBackend]
    filter_fields = ['course']
序列化：source/serializers.py
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# ...

classCourseSectionSerializer(serializers.ModelSerializer):
classMeta:
        model = models.CourseSection
        fields = ('name', 'orders', 'section_link', 'duration', 'free_trail')


classCourseChapterSerializer(serializers.ModelSerializer):
    coursesections = CourseSectionSerializer(many=True)
classMeta:
        model = models.CourseChapter
        fields = ('name', 'chapter', 'summary', 'coursesections')

posted on 2020-12-24 20:14  Plyc  阅读(59)  评论(0)  编辑  收藏  举报

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