feat: add API endpoint to get devices list

server/backend/adapters/postgres/device_repository.py

@@ -5,6 +5,7 @@ import psycopg2
 from ports import DeviceRepository
 from domain.exceptions import DatabaseError
 from infrastructure.db import get_conn
+from domain.entities import Device
 
 log = logging.getLogger(__name__)
 
@@ -28,3 +29,15 @@ class PgDeviceRepository(DeviceRepository):
                     return str(cur.fetchone()[0])  # type: ignore
         except psycopg2.DatabaseError as e:
             raise DatabaseError(f"Erreur de création du device {dev_eui}") from e
+
+    def get_all(self) -> list[Device]:
+        query = "SELECT device_id, device_eui FROM device ORDER BY device_eui ASC"
+        try:
+            with get_conn() as conn:
+                with conn.cursor() as cur:
+                    cur.execute(query)
+                    rows = cur.fetchall()
+        except psycopg2.DatabaseError as e:
+            raise DatabaseError(f"Erreur d'accès aux devices : {e}") from e
+
+        return [Device(device_id=r[0], device_eui=r[1]) for r in rows]