重构现代化 FastAPI 后端项目框架

app/infra/db/postgresql/scada_info.py

@@ -0,0 +1,36 @@
+from typing import List, Optional, Any
+from psycopg import AsyncConnection
+
+
+class ScadaRepository:
+
+    @staticmethod
+    async def get_scadas(conn: AsyncConnection) -> List[dict]:
+        """
+        查询pg数据库中,scada_info 的所有记录
+        :param conn: 异步数据库连接
+        :return: 包含所有记录的列表,每条记录为一个字典
+        """
+        async with conn.cursor() as cur:
+            await cur.execute(
+                """
+                SELECT id, type, associated_element_id, transmission_mode, transmission_frequency, reliability
+                FROM public.scada_info
+                """
+            )
+            records = await cur.fetchall()
+            # 将查询结果转换为字典列表（假设 record 是字典）
+            scada_infos = []
+            for record in records:
+                scada_infos.append(
+                    {
+                        "id": record["id"],  # 使用字典键
+                        "type": record["type"],
+                        "associated_element_id": record["associated_element_id"],
+                        "transmission_mode": record["transmission_mode"],
+                        "transmission_frequency": record["transmission_frequency"],
+                        "reliability": record["reliability"],
+                    }
+                )
+
+            return scada_infos