统一连接到新的数据库到openproject api 下

app/infra/db/postgresql/database.py

@@ -18,7 +18,12 @@ class Database:
         """Initialize the connection pool."""
         # Use provided db_name, or the one from constructor, or default from config
         target_db_name = db_name or self.db_name
-        conn_string = postgresql_info.get_pgconn_string(db_name=target_db_name)
+        
+        # Get connection string, handling default case where target_db_name might be None
+        if target_db_name:
+            conn_string = postgresql_info.get_pgconn_string(db_name=target_db_name)
+        else:
+            conn_string = postgresql_info.get_pgconn_string()
             
         try:
             self.pool = psycopg_pool.AsyncConnectionPool(

app/infra/db/postgresql/router.py

@@ -1,7 +1,6 @@
-from fastapi import APIRouter, Depends, HTTPException, Query, Body
+from fastapi import APIRouter, Depends, HTTPException, Query
 from typing import Optional
 from psycopg import AsyncConnection
-from pydantic import BaseModel
 
 from .database import get_database_instance
 from .scada_info import ScadaRepository
@@ -10,10 +9,6 @@ from .scheme import SchemeRepository
 router = APIRouter()
 
 
-class DatabaseConfig(BaseModel):
-    db_name: str
-
-
 # 创建支持数据库选择的连接依赖函数
 async def get_database_connection(
     db_name: Optional[str] = Query(
@@ -26,26 +21,6 @@ async def get_database_connection(
         yield conn
 
 
-@router.post("/postgres/open-database")
-async def open_database(config: DatabaseConfig):
-    """
-    尝试连接指定数据库，如果成功则返回成功消息
-    """
-    try:
-        instance = await get_database_instance(config.db_name)
-        # 尝试获取连接并执行简单查询以验证连接
-        async with instance.get_connection() as conn:
-            async with conn.cursor() as cur:
-                await cur.execute("SELECT 1")
-                await cur.fetchone()
-        
-        return {"success": True, "message": f"Successfully connected to database: {config.db_name}"}
-    except Exception as e:
-        raise HTTPException(
-            status_code=500, detail=f"Failed to connect to database {config.db_name}: {str(e)}"
-        )
-
-
 @router.get("/scada-info")
 async def get_scada_info_with_connection(
     conn: AsyncConnection = Depends(get_database_connection),