Add user mode support with separate client classes for system and user modes

hasspy/__main__.py

@@ -3,7 +3,7 @@ import tomllib
 from argparse import ArgumentParser
 from pathlib import Path
 
-from hasspy.mqtt import HassClient
+from hasspy.mqtt import HassClient, HassSystemClient, HassUserClient
 
 
 def main() -> None:
@@ -15,6 +15,7 @@ def main() -> None:
     parser.add_argument(
         "-v", "--verbose", help="Enable verbose logging", action="count", default=0
     )
+    parser.add_argument("-u", "--user", help="User mode client", action="store_true")
     args = parser.parse_args()
 
     if args.config:
@@ -41,10 +42,17 @@ def main() -> None:
         level=config.get("log_level", logging.INFO) - (args.verbose * 10)
     )
 
-    ha = HassClient(
-        "orchomenos",
-        config=config,
-    )
+    ha: HassClient
+    if not args.user:
+        ha = HassSystemClient(
+            "orchomenos",
+            config=config,
+        )
+    else:
+        ha = HassUserClient(
+            "orchomenos",
+            config=config,
+        )
 
     ha.loop_forever()
 

hasspy/mqtt.py

@@ -1,3 +1,4 @@
+import getpass
 import json
 import logging
 from subprocess import run
@@ -16,11 +17,6 @@ class HassClient(Client):
         self.node_id = node_id
         self.config = config
 
-        self.state_topic = f"{self.node_id}/state"
-        self.availability_topic = f"{self.node_id}/availability"
-        self.command_topic = f"{self.node_id}/set"
-        self.discovery_topic = f"homeassistant/device/{self.node_id}/config"
-
         username = self.config.get("username")
         if username:
             self.username_pw_set(username, self.config.get("password"))
@@ -62,11 +58,20 @@ class HassClient(Client):
     def publish_state(self) -> MQTTMessageInfo:
         return self.publish_json(
             topic=self.state_topic,
-            payload={
-                "power": "POWER_ON" if self.power_on else "POWER_OFF",
-            },
+            payload=self.state_payload,
         )
 
+    def on_command(self, client: Client, userdata: Any, message: MQTTMessage) -> None:
+        payload = message.payload.decode("utf-8")
+        log.debug(f"Received command: {payload}")
+
+        self.do_command(payload)
+
+        self.publish_state()
+
+    def do_command(self, payload: str) -> None:
+        log.debug(f"Executing command: {payload}")
+
     def on_connect(self, *args: Any, **kwargs: Any) -> None:
         log.info("Connected to MQTT broker")
         self.publish_discovery()
@@ -75,9 +80,50 @@ class HassClient(Client):
 
         self.publish_state()
 
-    def on_command(self, client: Client, userdata: Any, message: MQTTMessage) -> None:
-        payload = message.payload.decode("utf-8")
-        log.debug(f"Received command: {payload}")
+    @property
+    def state_topic(self) -> str:
+        return f"{self.node_id}/state"
+
+    @property
+    def availability_topic(self) -> str:
+        return f"{self.node_id}/availability"
+
+    @property
+    def command_topic(self) -> str:
+        return f"{self.node_id}/set"
+
+    @property
+    def discovery_topic(self) -> str:
+        return f"homeassistant/device/{self.node_id}/config"
+
+    @property
+    def discovery_payload(self) -> dict[str, Any]:
+        return {
+            "dev": {
+                "ids": self.node_id,
+                "name": self.node_id,
+            },
+            "o": {
+                "name": "hasspy",
+            },
+            "cmps": self.components,
+            "availability_topic": self.availability_topic,
+            "command_topic": self.command_topic,
+            "state_topic": self.state_topic,
+        }
+
+    @property
+    def state_payload(self) -> dict[str, Any]:
+        return {}
+
+    @property
+    def components(self) -> dict[str, dict[str, str]]:
+        return {}
+
+
+class HassSystemClient(HassClient):
+    def do_command(self, payload: str) -> None:
+        super().do_command(payload)
 
         match payload:
             case "POWER_ON":
@@ -96,30 +142,36 @@ class HassClient(Client):
                     proc = run(["systemctl", "poweroff", "--when=+1m"])
                     if proc.returncode != 0:
                         log.error("Failed to schedule shutdown")
-
-        self.publish_state()
+            case "LOCK":
+                log.info("Locking screen…")
+                run(["loginctl", "lock-sessions"])
 
     @property
-    def discovery_payload(self) -> dict[str, Any]:
+    def components(self) -> dict[str, dict[str, str]]:
         return {
-            "dev": {
-                "ids": self.node_id,
-                "name": self.node_id,
+            "power": {
+                "unique_id": f"{self.node_id}_power",
+                "p": "switch",
+                "name": "Power",
+                "payload_off": "POWER_OFF",
+                "payload_on": "POWER_ON",
+                "value_template": "{{ value_json.power }}",
             },
-            "o": {
-                "name": "hasspy",
+            "lock": {
+                "unique_id": f"{self.node_id}_power",
+                "p": "button",
+                "name": "Lock",
+                "payload_press": "LOCK",
             },
-            "cmps": {
-                "power": {
-                    "unique_id": f"{self.node_id}_power",
-                    "p": "switch",
-                    "name": "Power",
-                    "payload_off": "POWER_OFF",
-                    "payload_on": "POWER_ON",
-                    "value_template": "{{ value_json.power }}",
-                },
-            },
-            "availability_topic": self.availability_topic,
-            "command_topic": self.command_topic,
-            "state_topic": self.state_topic,
         }
+
+    @property
+    def state_payload(self) -> dict[str, Any]:
+        return {
+            "power": self.power_on,
+        }
+
+
+class HassUserClient(HassClient):
+    def __init__(self, node_id: str, config: Mapping[str, Any]) -> None:
+        super().__init__(f"{node_id}_{getpass.getuser()}", config)