路飞-课程详情页后台

详情页后台

路由：source/urls.py

re_path("(?P<pk>d+)/", views.CourseRetrieveAPIView.as_view()),
path("chapters/", views.CourseChapterListAPIView.as_view()),

视图：source/views.py

from .models import Course
from .models import CourseChapter
from rest_framework.generics import ListAPIView
from rest_framework.generics import RetrieveAPIView
from . import serializers
from django_filters.rest_framework.backends import DjangoFilterBackend

class CourseRetrieveAPIView(RetrieveAPIView):
    """课程详情信息"""
    queryset = Course.objects.filter(is_delete=False, is_show=True)
    serializer_class = serializers.CourseRetrieveModelSSerializer

class CourseChapterListAPIView(ListAPIView):
    """课程详情信息"""
    queryset = CourseChapter.objects.filter(is_delete=False, is_show=True).order_by("chapter")
    serializer_class = serializers.CourseChapterModelSerializer
    filter_backends = [DjangoFilterBackend]
    filter_fields = ['course', ]

序列化：source/serializers.py

from . import models
from rest_framework.serializers import ModelSerializer
class CourseRetrieveModelSSerializer(ModelSerializer):
    # 课程详情的序列化器
    teacher = TeacherSerializer()
    class Meta:
        model = models.Course
        fields = ["id", "name", "course_img", "students", "sections", "pub_sections", "price", "teacher", "level_name"]

class CourseSessionModelSerializer(ModelSerializer):
    class Meta:
        model = models.CourseSection
        fields = ["id", "name", "duration", "free_trail", "orders"]

class CourseChapterModelSerializer(ModelSerializer):
    coursesections = CourseSessionModelSerializer(many=True)

    class Meta:
        model = models.CourseChapter
        fields = ["chapter", "name", "summary", "coursesections"]

视图字段：source/model.py

class Course(BaseModel):
    # ...
    @property
    def level_name(self):
        # 难度名
        return self.level_choices[self.level][1]