implement change audio config service

custom_components/easy_computer_manager/computer/__init__.py

@@ -7,7 +7,7 @@ from wakeonlan import send_magic_packet
 
 from custom_components.easy_computer_manager import const, LOGGER
 from custom_components.easy_computer_manager.computer.common import OSType, CommandOutput
-from custom_components.easy_computer_manager.computer.formatter import format_gnome_monitors_args
+from custom_components.easy_computer_manager.computer.formatter import format_gnome_monitors_args, format_pactl_commands
 from custom_components.easy_computer_manager.computer.parser import parse_gnome_monitors_output, parse_pactl_output, \
     parse_bluetoothctl
 
@@ -35,7 +35,7 @@ class Computer:
 
         asyncio.create_task(self.update())
 
-    async def _connect(self) -> None:
+    async def _connect(self, retried: bool = False) -> None:
         """Open an asynchronous SSH connection."""
         try:
             client = await asyncssh.connect(
@@ -48,6 +48,9 @@ class Computer:
             asyncssh.set_log_level("ERROR")
             self._connection = client
         except (OSError, asyncssh.Error) as exc:
+            if retried:
+                await self._connect(retried=True)
+            else:
                 raise ValueError(f"Failed to connect to {self.host}: {exc}")
 
     async def _renew_connection(self) -> None:
@@ -159,8 +162,12 @@ class Computer:
                                input_device: str | None = None,
                                output_device: str | None = None) -> None:
         """Change the audio configuration."""
-        # Implementation needed
-        pass
+        if self.is_linux():
+            # TODO: other DE support
+            if self.desktop_environment == 'gnome':
+                pactl_commands = format_pactl_commands(self.audio_config, volume, mute, input_device, output_device)
+                for command in pactl_commands:
+                    await self.run_action("set_audio_config", params={"args": command})
 
     async def install_nircmd(self) -> None:
         """Install NirCmd tool (Windows specific)."""

custom_components/easy_computer_manager/computer/formatter.py

@@ -20,3 +20,43 @@ def format_gnome_monitors_args(monitors_config: dict):
                 args.extend(['-t', settings["transform"]])
 
     return ' '.join(args)
+
+
+def format_pactl_commands(current_config: {}, volume: int, mute: bool, input_device: str = "@DEFAULT_SOURCE@",
+                          output_device: str = "@DEFAULT_SINK@"):
+    """Change audio configuration on the host system."""
+
+    commands = []
+
+    def get_device_id(device_type, user_device):
+        for device in current_config[device_type]:
+            if device['description'] == user_device:
+                return device['name']
+        return user_device
+
+    # Set default sink and source if not specified
+    if not output_device:
+        output_device = "@DEFAULT_SINK@"
+    if not input_device:
+        input_device = "@DEFAULT_SOURCE@"
+
+    # Set default sink if specified
+    if output_device and output_device != "@DEFAULT_SINK@":
+        output_device = get_device_id('sinks', output_device)
+        commands.append(f"set-default-sink {output_device}")
+
+    # Set default source if specified
+    if input_device and input_device != "@DEFAULT_SOURCE@":
+        input_device = get_device_id('sources', input_device)
+        commands.append(f"set-default-source {input_device}")
+
+    # Set sink volume if specified
+    if volume is not None:
+        commands.append(f"set-sink-volume {output_device} {volume}%")
+
+    # Set sink and source mute status if specified
+    if mute is not None:
+        commands.append(f"set-sink-mute {output_device} {'yes' if mute else 'no'}")
+        commands.append(f"set-source-mute {input_device} {'yes' if mute else 'no'}")
+
+    return commands

custom_components/easy_computer_manager/const.py

@@ -64,6 +64,12 @@ ACTIONS = {
     "get_microphones": {
         "linux": ["LANG=en_US.UTF-8 pactl list sources"]
     },
+    "set_audio_config": {
+        "linux": {
+            "command": "LANG=en_US.UTF-8 pactl %args%",
+            "params": ["args"]
+        }
+    },
     "get_bluetooth_devices": {
         "linux": {
             "command": "bluetoothctl info",