vode 增加排序字段 按catory多层级筛选

server/apps/vod/migrations/0005_video_sort_str.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.0.5 on 2022-04-20 08:29
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('vod', '0004_auto_20210908_1449'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='video',
+            name='sort_str',
+            field=models.CharField(blank=True, max_length=10, null=True, verbose_name='排序字符'),
+        ),
+    ]

server/apps/vod/models.py

@@ -14,6 +14,7 @@ class Video(CommonAModel):
     duration = models.IntegerField(verbose_name='时长(秒)', default=0)
     views = models.IntegerField(verbose_name='观看次数', default=0)
     viewsp = models.IntegerField(verbose_name='观看人数', default=0)
+    sort_str = models.CharField('排序字符', max_length=10, null=True, blank=True)
 
     class Meta:
         verbose_name = '点播视频'

server/apps/vod/views.py

@@ -1,5 +1,6 @@
 from datetime import timedelta
 from time import timezone
+from typing import Dict
 from rest_framework.mixins import ListModelMixin
 from apps.vod.serializers import VRecordSerializer, VRecordUpdateSerializer, VideoListDetailSerializer, VideoSerializer
 from apps.vod.models import Video, ViewRecord
@@ -15,6 +16,7 @@ from rest_framework.permissions import IsAuthenticated
 from rest_framework.status import HTTP_400_BAD_REQUEST
 from django.utils import timezone
 from rest_framework.exceptions import ParseError
+from utils.queryset import get_child_queryset2
 # Create your views here.
 
 class ClassView(APIView):
@@ -44,14 +46,24 @@ class VideoViewSet(PageOrNot, CreateUpdateModelAMixin, ModelViewSet):
     perms_map={'get':'video_view', 'post':'video_create', 'put':'video_update', 'delete':'video_delete'}
     queryset = Video.objects.all()
     search_fields = ['name', 'category__name', 'description']
-    filterset_fields = ['category']
+    # filterset_fields = ['category']
     serializer_class = VideoSerializer
-    ordering = ['-views', '-create_time']
+    ordering_fields = ['create_time', 'sort_str', 'views', 'viewsp']
+    ordering = ['sort_str', '-create_time']
 
     def get_serializer_class(self):
         if self.action in ['list', 'retrieve']:
             return VideoListDetailSerializer
         return super().get_serializer_class()
+
+    def get_queryset(self):
+        queryset = super().get_queryset()
+        category = self.request.query_params.get('category', None)
+        if category:
+            categorys = get_child_queryset2(Dict.objects.get(pk=category))
+            queryset = queryset.filter(category__in=categorys)
+        return queryset
+    
     @action(methods=['get'], detail=False, perms_map={'get':'video_view'})
     def myview(self, request, *args, **kwargs):
         """