fix(scada): use project-scoped metadata

2026-07-17 16:28:46 +08:00
parent 0a2ce81753
commit e49d21cd1b
6 changed files with 580 additions and 194 deletions
@@ -0,0 +1,51 @@
+from typing import Any
+
+from psycopg import AsyncConnection
+
+
+def _optional_text(value: Any) -> str | None:
+    return str(value).strip() if value is not None else None
+
+
+def _optional_float(value: Any) -> float | None:
+    return float(value) if value is not None else None
+
+
+class ScadaInfoRepository:
+    """Read SCADA metadata from the current project's business database."""
+
+    @staticmethod
+    async def get_scadas(conn: AsyncConnection) -> list[dict[str, Any]]:
+        async with conn.cursor() as cur:
+            await cur.execute(
+                """
+                SELECT id,
+                       type,
+                       associated_element_id,
+                       api_query_id,
+                       transmission_mode,
+                       transmission_frequency,
+                       reliability,
+                       x_coor,
+                       y_coor
+                FROM public.scada_info
+                """
+            )
+            records = await cur.fetchall()
+
+        return [
+            {
+                "id": str(record["id"]).strip(),
+                "type": str(record["type"]).strip().lower(),
+                "associated_element_id": _optional_text(
+                    record["associated_element_id"]
+                ),
+                "api_query_id": record["api_query_id"],
+                "transmission_mode": record["transmission_mode"],
+                "transmission_frequency": record["transmission_frequency"],
+                "reliability": _optional_float(record["reliability"]),
+                "x": _optional_float(record["x_coor"]),
+                "y": _optional_float(record["y_coor"]),
+            }
+            for record in records
+        ]