fix: broken current map logic (#497)

* fix: the map id

* chore: add test

* chore: add no_map constant

---------

Co-authored-by: Allen Porter <allen.porter@gmail.com>

Author: Lash-L

roborock/const.py

@@ -78,3 +78,5 @@
     ROBOROCK_P10,
     ROCKROBO_G10_SG,
 ]
+
+NO_MAP = 63

roborock/containers.py

@@ -65,6 +65,7 @@
     FILTER_REPLACE_TIME,
     MAIN_BRUSH_REPLACE_TIME,
     MOP_ROLLER_REPLACE_TIME,
+    NO_MAP,
     ROBOROCK_G10S_PRO,
     ROBOROCK_P10,
     ROBOROCK_Q7_MAX,
@@ -432,7 +433,9 @@ def get_mop_mode_code(self, mop_mode: str) -> int:
     def current_map(self) -> int | None:
         """Returns the current map ID if the map is present."""
         if self.map_status is not None:
-            return (self.map_status - 3) // 4
+            map_flag = self.map_status >> 2
+            if map_flag != NO_MAP:
+                return map_flag
         return None
 
 

tests/test_containers.py

@@ -481,3 +481,16 @@ def test_multi_maps_list_info(snapshot: SnapshotAssertion) -> None:
     deserialized = MultiMapsList.from_dict(data)
     assert isinstance(deserialized, MultiMapsList)
     assert deserialized == snapshot
+
+
+def test_accurate_map_flag() -> None:
+    """Test that we parse the map flag accurately."""
+    s = S7MaxVStatus.from_dict(STATUS)
+    assert s.current_map == 0
+    s = S7MaxVStatus.from_dict(
+        {
+            **STATUS,
+            "map_status": 252,  # Code for no map
+        }
+    )
+    assert s.current_map is None