feat(scada): serve project devices through pooled API

app/infra/db/postgresql/scada.py

@@ -9,7 +9,9 @@ from app.native.wndb.core.database import read_all, try_read
 
 _SCADA_VIEW_SELECT = """
     SELECT id AS device_id, device_type, node_id, link_id, api_query_id,
-           transmission_mode, transmission_frequency, reliability, x, y
+           transmission_mode, transmission_frequency, reliability, x, y,
+           ST_X(ST_Transform(geom, 4326)) AS longitude,
+           ST_Y(ST_Transform(geom, 4326)) AS latitude
     FROM gis.scada_devices
 """
 
@@ -60,6 +62,8 @@ def _device(record: dict[str, Any]) -> dict[str, Any]:
         "reliability": _optional_int(record["reliability"]),
         "x": _optional_float(record["x"]),
         "y": _optional_float(record["y"]),
+        "longitude": _optional_float(record["longitude"]),
+        "latitude": _optional_float(record["latitude"]),
     }
 
 
@@ -76,6 +80,18 @@ class ScadaInfoRepository:
 
         return [_device(record) for record in records]
 
+    @staticmethod
+    async def get_scada(
+        conn: AsyncConnection, device_id: str
+    ) -> dict[str, Any] | None:
+        async with conn.cursor() as cur:
+            await cur.execute(
+                _SCADA_VIEW_SELECT + " WHERE id = %s",
+                (device_id,),
+            )
+            record = await cur.fetchone()
+        return _device(record) if record else None
+
     @staticmethod
     async def get_existing_device_ids(
         conn: AsyncConnection, device_ids: list[str]
@@ -102,6 +118,8 @@ def get_scada_info_schema(name: str) -> dict[str, dict[str, Any]]:
         "reliability": {"type": "int", "optional": False, "readonly": True},
         "x": {"type": "float", "optional": True, "readonly": True},
         "y": {"type": "float", "optional": True, "readonly": True},
+        "longitude": {"type": "float", "optional": True, "readonly": True},
+        "latitude": {"type": "float", "optional": True, "readonly": True},
     }