完成序列化的整理

apps/basic/migrations/0005_alter_address_create_date.py

@@ -0,0 +1,19 @@
+# Generated by Django 4.2.4 on 2023-09-05 00:33
+
+import datetime
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('basic', '0004_alter_address_create_date'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='address',
+            name='create_date',
+            field=models.DateTimeField(default=datetime.datetime(2023, 9, 5, 8, 33, 2, 815984), verbose_name='创建时间'),
+        ),
+    ]

apps/goods/migrations/0005_alter_goods_create_datetime.py

@@ -0,0 +1,19 @@
+# Generated by Django 4.2.4 on 2023-09-05 00:33
+
+import datetime
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('goods', '0004_alter_goods_create_datetime'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='goods',
+            name='create_datetime',
+            field=models.DateTimeField(default=datetime.datetime(2023, 9, 5, 8, 33, 2, 822232), verbose_name='创建时间'),
+        ),
+    ]

apps/music/admin.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.

apps/music/apps.py

@@ -0,0 +1,7 @@
+from django.apps import AppConfig
+
+
+class MusicConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'apps.music'
+    verbose_name = '音乐'

apps/music/migrations/0001_initial.py

@@ -0,0 +1,34 @@
+# Generated by Django 4.2.4 on 2023-09-05 00:33
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Musician',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('first_name', models.CharField(max_length=50)),
+                ('last_name', models.CharField(max_length=50)),
+                ('instrument', models.CharField(max_length=100)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Album',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100)),
+                ('release_date', models.DateField()),
+                ('num_stars', models.IntegerField()),
+                ('artist', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='album_musician', to='music.musician')),
+            ],
+        ),
+    ]

apps/music/models.py

@@ -0,0 +1,17 @@
+from django.db import models
+
+
+class Musician(models.Model):
+    first_name = models.CharField(max_length=50)
+    last_name = models.CharField(max_length=50)
+    instrument = models.CharField(max_length=100)
+
+    def __str__(self):
+        return self.first_name
+
+
+class Album(models.Model):
+    artist = models.ForeignKey(Musician, on_delete=models.CASCADE, related_name='album_musician', null=True, blank=True)
+    name = models.CharField(max_length=100)
+    release_date = models.DateField()
+    num_stars = models.IntegerField()

apps/music/serializer.py

@@ -0,0 +1,51 @@
+from rest_framework import serializers, fields
+
+from apps.music.models import *
+
+
+class AlbumSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Album
+        fields = ('id', 'artist', 'name', 'release_date', 'num_stars')
+
+
+class MusicianSerializer(serializers.ModelSerializer):
+    # album_musician = AlbumSerializer(read_only=True, many=True)  # 定义只读外键字段后在fields中添加此键
+    album_musician = AlbumSerializer(many=True)  # 定义只读外键字段后在fields中添加此键，如果需要写入create和update方法，则不应设置readonly
+
+    class Meta:
+        model = Musician
+        fields = ('id', 'first_name', 'last_name', 'instrument', 'album_musician')
+
+    # 定义创建数据的方法，用于处理外键的存储
+    def create(self, validated_data):
+        print(validated_data)
+        albums_data = validated_data.pop('album_musician')  # 将album_musician对应的数据取出，还原Musician的原始数据格式
+        musician = Musician.objects.create(**validated_data)  # 将musician数据入库， 获取返回的musician_id
+        print(musician)
+        for album in albums_data:
+            Album.objects.create(artist=musician, **album)  # 遍历albums数据将数据入库
+        return musician
+
+    # 定义创修改的方法，用于处理外键存储
+    def update(self, instance, validated_data):  # instance为pk指定的数据库对象实例
+        print(instance)
+        print(validated_data)
+        albums_data_req = validated_data.pop('album_musician')  # 将album_musician对应的数据取出，还原Musician的原始数据格式
+        albums_db = instance.album_musician.all()  # 获取原始的album外键数据
+        albums_db = list(albums_db)
+        print(albums_db)
+        # 从validated_data中获取字段的值，如果没有获取到就取数据库实例的对应值,并且更新数据
+        instance.first_name = validated_data.get('first_name', instance.first_name)
+        instance.last_name = validated_data.get('last_name', instance.last_name)
+        instance.instrument = validated_data.get('instrument', instance.instrument)
+        instance.save()
+
+        # 更新album数据
+        for album_data_req in albums_data_req:
+            album_db = albums_db.pop(0)
+            album_db.name = album_data_req.get('name', album_db.name)
+            album_db.release_date = album_data_req.get('release_date', album_db.release_date)
+            album_db.num_stars = album_data_req.get('num_stars', album_db.num_stars)
+            album_db.save()
+        return instance

apps/music/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

apps/music/urls.py

@@ -0,0 +1,9 @@
+from django.urls import path, re_path
+from apps.music.views import *
+
+urlpatterns = [
+    re_path(r'^api/musician/$', MusicianListView.as_view()),
+    re_path(r'^api/musician/(?P<pk>\d+)/$', MusicianView.as_view()),
+    re_path(r'^api/album/$', AlbumListView.as_view()),
+    re_path(r'^api/album/(?P<pk>\d+)/$', AlbumView.as_view()),
+]

apps/music/views.py

@@ -0,0 +1,24 @@
+from rest_framework import generics
+
+from apps.music.models import *
+from apps.music.serializer import *
+
+
+class MusicianListView(generics.ListCreateAPIView):
+    queryset = Musician.objects.all().order_by('id')
+    serializer_class = MusicianSerializer
+
+
+class MusicianView(generics.RetrieveUpdateDestroyAPIView):
+    queryset = Musician.objects.all().order_by('id')
+    serializer_class = MusicianSerializer
+
+
+class AlbumListView(generics.ListCreateAPIView):
+    queryset = Album.objects.all().order_by('id')
+    serializer_class = AlbumSerializer
+
+
+class AlbumView(generics.RetrieveUpdateDestroyAPIView):
+    queryset = Album.objects.all().order_by('id')
+    serializer_class = AlbumSerializer

myshop_back/settings.py

@@ -41,6 +41,7 @@ INSTALLED_APPS = [
     'apps.goods',
     'apps.order',
     'apps.user',
+    'apps.music',
     'ckeditor',
     'ckeditor_uploader',
     'rest_framework',
@@ -164,20 +165,20 @@ REST_FRAMEWORK = {
     'EXCEPTION_HANDLER': 'common.myexception.my_exception_handler',
     'DEFAULT_SCHEMA_CLASS': 'rest_framework.schemas.coreapi.AutoSchema',
     # 验证设置
-    'DEFAULT_AUTHENTICATION_CLASSES': ('rest_framework_simplejwt.authentication.JWTAuthentication',),
-    'DEFAULT_PERMISSION_CLASSES': ('rest_framework.permissions.IsAuthenticated',),
-}
-JWT_AUTH = {
-    'JWT_EXPIRATION_DELTA': datetime.timedelta(days=3),  # 配置过期时间
-    'JWT_AUTH_HEADER_PREFIX': 'JWT',  # 配置Token的前缀
-    'JWT_ALLOW_REFRESH': False,  # 是否允许刷新
-    'JWT_RESPONSE_PAYLOAD_HANDLER': 'common.myjwt.jwt_response_payload_handler',
-}
-
-SIMPLE_JWT = {
-    'ACCESS_TOKEN_LIFETIME': datetime.timedelta(minutes=30),  # token有效时长
-    'REFRESH_TOKEN_LIFETIME': datetime.timedelta(days=1),  # token刷新有效时长
+    # 'DEFAULT_AUTHENTICATION_CLASSES': ('rest_framework_simplejwt.authentication.JWTAuthentication',),
+    # 'DEFAULT_PERMISSION_CLASSES': ('rest_framework.permissions.IsAuthenticated',),
 }
+# JWT_AUTH = {
+#     'JWT_EXPIRATION_DELTA': datetime.timedelta(days=3),  # 配置过期时间
+#     'JWT_AUTH_HEADER_PREFIX': 'JWT',  # 配置Token的前缀
+#     'JWT_ALLOW_REFRESH': False,  # 是否允许刷新
+#     'JWT_RESPONSE_PAYLOAD_HANDLER': 'common.myjwt.jwt_response_payload_handler',
+# }
+#
+# SIMPLE_JWT = {
+#     'ACCESS_TOKEN_LIFETIME': datetime.timedelta(minutes=30),  # token有效时长
+#     'REFRESH_TOKEN_LIFETIME': datetime.timedelta(days=1),  # token刷新有效时长
+# }
 
 # 跨域配置
 CORS_ALLOW_CREDENTIALS = True  # 跨域时是否携带cookie

myshop_back/urls.py

@@ -21,5 +21,6 @@ urlpatterns = [
     path('admin/', admin.site.urls),
     path('user/', include('apps.user.urls')),
     path('basic/', include('apps.basic.urls')),
-    path('goods/', include('apps.goods.urls'))
+    path('goods/', include('apps.goods.urls')),
+    path('music/', include('apps.music.urls')),
 ]