roborock: auto empty dustbin support

addresses #1107

miio/integrations/vacuum/roborock/vacuum.py

@@ -121,6 +121,16 @@ class CarpetCleaningMode(enum.Enum):
     Ignore = 2
 
 
+class DustCollectionMode(enum.Enum):
+    """Auto emptying mode (S7 only)"""
+
+    Smart = 0
+    Quick = 1
+    Daily = 2
+    Strong = 3
+    Max = 4
+
+
 ROCKROBO_V1 = "rockrobo.vacuum.v1"
 ROCKROBO_S5 = "roborock.vacuum.s5"
 ROCKROBO_S5_MAX = "roborock.vacuum.s5e"
@@ -746,6 +756,49 @@ def set_carpet_cleaning_mode(self, mode: CarpetCleaningMode):
             == "ok"
         )
 
+    @command()
+    def enable_dust_collection(self):
+        """Enable automatic dust collection."""
+        return (
+            self.send("set_dust_collection_switch_status", {"status": 1})[0]
+            == "ok"
+        )
+
+    @command()
+    def disable_dust_collection(self):
+        """Disable automatic dust collection."""
+        return (
+            self.send("set_dust_collection_switch_status", {"status": 0})[0]
+            == "ok"
+        )
+
+    @command()
+    def dust_collection_mode(self) -> Optional[DustCollectionMode]:
+        """Get the dust collection mode setting."""
+        try:
+            return DustCollectionMode(self.send("get_dust_collection_mode")["mode"])
+        except Exception as err:
+            _LOGGER.warning("Error while requesting dust collection mode: %s", err)
+            return None
+
+    @command(click.argument("mode", type=EnumType(DustCollectionMode)))
+    def set_dust_collection_mode(self, mode: DustCollectionMode) -> bool:
+        """Set dust collection mode setting."""
+        return (
+            self.send("set_dust_collection_mode", {"mode": mode.value})[0]
+            == "ok"
+        )
+
+    @command()
+    def start_dust_collection(self):
+        """Activate automatic dust collection."""
+        return self.send("app_start_collect_dust")
+
+    @command()
+    def stop_dust_collection(self):
+        """Abort in progress dust collection."""
+        return self.send("app_stop_collect_dust")
+
     @command()
     def stop_zoned_clean(self):
         """Stop cleaning a zone."""