Add additional information to SynologySRM device tracker (#32669)

* Updating SynologySRM device trakcers to show additional information

* Fixes

* Aliasing attributes to snake case

* Sugguested changes as per MartinHjelmare

homeassistant/components/synology_srm/device_tracker.py

@@ -37,6 +37,34 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
     }
 )
 
+ATTRIBUTE_ALIAS = {
+    "band": None,
+    "connection": None,
+    "current_rate": None,
+    "dev_type": None,
+    "hostname": None,
+    "ip6_addr": None,
+    "ip_addr": None,
+    "is_baned": "is_banned",
+    "is_beamforming_on": None,
+    "is_guest": None,
+    "is_high_qos": None,
+    "is_low_qos": None,
+    "is_manual_dev_type": None,
+    "is_manual_hostname": None,
+    "is_online": None,
+    "is_parental_controled": "is_parental_controlled",
+    "is_qos": None,
+    "is_wireless": None,
+    "mac": None,
+    "max_rate": None,
+    "mesh_node_id": None,
+    "rate_quality": None,
+    "signalstrength": "signal_strength",
+    "transferRXRate": "transfer_rx_rate",
+    "transferTXRate": "transfer_tx_rate",
+}
+
 
 def get_scanner(hass, config):
     """Validate the configuration and return Synology SRM scanner."""
@@ -62,7 +90,7 @@ class SynologySrmDeviceScanner(DeviceScanner):
         if not config[CONF_VERIFY_SSL]:
             self.client.http.disable_https_verify()
 
-        self.last_results = []
+        self.devices = []
         self.success_init = self._update_info()
 
         _LOGGER.info("Synology SRM scanner initialized")
@@ -71,14 +99,28 @@ class SynologySrmDeviceScanner(DeviceScanner):
         """Scan for new devices and return a list with found device IDs."""
         self._update_info()
 
-        return [device["mac"] for device in self.last_results]
+        return [device["mac"] for device in self.devices]
+
+    def get_extra_attributes(self, device) -> dict:
+        """Get the extra attributes of a device."""
+        device = next(
+            (result for result in self.devices if result["mac"] == device), None
+        )
+        filtered_attributes = {}
+        if not device:
+            return filtered_attributes
+        for attribute, alias in ATTRIBUTE_ALIAS.items():
+            value = device.get(attribute)
+            if value is None:
+                continue
+            attr = alias or attribute
+            filtered_attributes[attr] = value
+        return filtered_attributes
 
     def get_device_name(self, device):
         """Return the name of the given device or None if we don't know."""
         filter_named = [
-            result["hostname"]
-            for result in self.last_results
-            if result["mac"] == device
+            result["hostname"] for result in self.devices if result["mac"] == device
         ]
 
         if filter_named:
@@ -90,13 +132,8 @@ class SynologySrmDeviceScanner(DeviceScanner):
         """Check the router for connected devices."""
         _LOGGER.debug("Scanning for connected devices")
 
-        devices = self.client.core.network_nsm_device({"is_online": True})
-        last_results = []
+        self.devices = self.client.core.network_nsm_device({"is_online": True})
 
-        for device in devices:
-            last_results.append({"mac": device["mac"], "hostname": device["hostname"]})
+        _LOGGER.debug("Found %d device(s) connected to the router", len(self.devices))
 
-        _LOGGER.debug("Found %d device(s) connected to the router", len(devices))
-
-        self.last_results = last_results
         return True