feat: shipment change && version modelize

api_v1/migrations/0018_appversion.py

@@ -0,0 +1,39 @@
+import api_v1.models
+import django.utils.timezone
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api_v1', '0017_mdyplateorderstagingqiniuimageuploadstate'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='AppVersion',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='创建时间')),
+                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='更新时间')),
+                ('major', models.PositiveIntegerField(default=0, verbose_name='主版本号')),
+                ('minor', models.PositiveIntegerField(default=0, verbose_name='次版本号')),
+                ('build', models.PositiveIntegerField(default=0, verbose_name='构建号')),
+                ('package_file', models.FileField(blank=True, help_text='可通过 Admin 上传，保存后会自动写入下载地址', max_length=500, null=True, upload_to=api_v1.models.app_version_file_path, verbose_name='安装包文件')),
+                ('download_url', models.URLField(blank=True, max_length=2048, verbose_name='下载地址')),
+                ('force', models.BooleanField(default=False, verbose_name='是否强制更新')),
+                ('publish_date', models.DateField(default=django.utils.timezone.localdate, verbose_name='发布日期')),
+                ('message', models.TextField(blank=True, verbose_name='更新说明')),
+                ('is_current', models.BooleanField(db_index=True, default=False, verbose_name='当前版本')),
+            ],
+            options={
+                'verbose_name': 'App版本',
+                'verbose_name_plural': 'App版本',
+                'ordering': ['-is_current', '-created_at'],
+            },
+        ),
+        migrations.AddConstraint(
+            model_name='appversion',
+            constraint=models.UniqueConstraint(condition=models.Q(('is_current', True)), fields=('is_current',), name='uniq_current_app_version'),
+        ),
+    ]