feat: big version, added tasks for backup_database and stock change, added health check api, approve sse (support channel via merchant)

api_v1/views/healthy.py

@@ -0,0 +1,42 @@
+import platform
+from typing import Dict
+
+from django.db import connections, DatabaseError
+from django.utils import timezone
+from django.utils.version import get_version
+from rest_framework.response import Response
+from rest_framework.views import APIView
+
+
+class HealthCheckView(APIView):
+    """
+    简单健康检查接口，返回当前服务的基础指标信息，包括：
+    - 应用版本
+    - Python/Django 版本
+    - 服务器时间
+    - 数据库连接状态
+    """
+
+    authentication_classes: list = []
+    permission_classes: list = []
+
+    def get(self, request):
+        db_status: Dict[str, str] = {}
+        for alias in connections:
+            try:
+                connections[alias].cursor()
+                db_status[alias] = 'ok'
+            except DatabaseError as exc:
+                db_status[alias] = f'error: {exc.__class__.__name__}'
+
+        payload = {
+            'service': 'flower-api',
+            'status': 'ok' if all(status == 'ok' for status in db_status.values()) else 'degraded',
+            'server_time': timezone.now().isoformat(),
+            'python_version': platform.python_version(),
+            'django_version': get_version(),
+            'platform': platform.platform(),
+            'databases': db_status,
+        }
+        return Response(payload)
+