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]
