window contact first try

apps/abstraction/main.py

@@ -15,7 +15,7 @@ import uuid
 from aiomqtt import Client
 from pydantic import ValidationError
 
-from packages.home_capabilities import LightState, ThermostatState
+from packages.home_capabilities import LightState, ThermostatState, ContactState
 from apps.abstraction.transformation import (
     transform_abstract_to_vendor,
     transform_vendor_to_abstract
@@ -89,12 +89,13 @@ def validate_devices(devices: list[dict[str, Any]]) -> None:
         if "topics" not in device:
             raise ValueError(f"Device {device_id} missing 'topics'")
         
-        if "set" not in device["topics"]:
+        # 'state' topic is required for all devices
-            raise ValueError(f"Device {device_id} missing 'topics.set'")
-        
         if "state" not in device["topics"]:
             raise ValueError(f"Device {device_id} missing 'topics.state'")
         
+        # 'set' topic is optional (read-only devices like contact sensors don't have it)
+        # No validation needed for topics.set
+    
     # Log loaded devices
     device_ids = [d["device_id"] for d in devices]
     logger.info(f"Loaded {len(devices)} device(s): {', '.join(device_ids)}")
@@ -166,6 +167,10 @@ async def handle_abstract_set(
             
             # Validate against ThermostatState (current/battery/window_open are optional)
             ThermostatState.model_validate(abstract_payload)
+        elif device_type in {"contact", "contact_sensor"}:
+            # Contact sensors are read-only - SET commands should not occur
+            logger.warning(f"Contact sensor {device_id} received SET command - ignoring (read-only device)")
+            return
     except ValidationError as e:
         logger.error(f"Validation failed for {device_type} SET {device_id}: {e}")
         return
@@ -214,12 +219,18 @@ async def handle_vendor_state(
         elif device_type == "thermostat":
             # Validate thermostat state: mode, target, current (required), battery, window_open
             ThermostatState.model_validate(abstract_payload)
+        elif device_type in {"contact", "contact_sensor"}:
+            # Validate contact sensor state
+            ContactState.model_validate(abstract_payload)
     except ValidationError as e:
         logger.error(f"Validation failed for {device_type} STATE {device_id}: {e}")
         return
     
+    # Normalize device type for topic (use 'contact' for both 'contact' and 'contact_sensor')
+    topic_type = "contact" if device_type in {"contact", "contact_sensor"} else device_type
+    
     # Publish to abstract state topic (retained)
-    abstract_topic = f"home/{device_type}/{device_id}/state"
+    abstract_topic = f"home/{topic_type}/{device_id}/state"
     abstract_message = json.dumps(abstract_payload)
     
     logger.info(f"← abstract STATE {device_id}: {abstract_topic} → {abstract_message}")
@@ -273,15 +284,22 @@ async def mqtt_worker(config: dict[str, Any], redis_client: aioredis.Redis) -> N
                 keepalive=keepalive,
                 timeout=10.0  # Add explicit timeout for operations
             ) as client:
-                logger.info(f"Connected to MQTT broker as {client_id}")
+                logger.info(f"Connected to MQTT broker as {unique_client_id}")
                 
-                # Subscribe to abstract SET topics for all devices
+                # Subscribe to topics for all devices
                 for device in devices.values():
-                    abstract_set_topic = f"home/{device['type']}/{device['device_id']}/set"
+                    device_id = device['device_id']
-                    await client.subscribe(abstract_set_topic)
+                    device_type = device['type']
-                    logger.info(f"Subscribed to abstract SET: {abstract_set_topic}")
                     
-                    # Subscribe to vendor STATE topics
+                    # Subscribe to abstract SET topic only if device has a SET topic (not read-only)
+                    if "set" in device["topics"]:
+                        abstract_set_topic = f"home/{device_type}/{device_id}/set"
+                        await client.subscribe(abstract_set_topic)
+                        logger.info(f"Subscribed to abstract SET: {abstract_set_topic}")
+                    else:
+                        logger.info(f"Skipping SET subscription for read-only device: {device_id}")
+                    
+                    # Subscribe to vendor STATE topics (all devices have state)
                     vendor_state_topic = device["topics"]["state"]
                     await client.subscribe(vendor_state_topic)
                     logger.info(f"Subscribed to vendor STATE: {vendor_state_topic}")

apps/abstraction/transformation.py

@@ -159,6 +159,112 @@ def _transform_thermostat_zigbee2mqtt_to_abstract(payload: dict[str, Any]) -> di
     return abstract_payload
 
 
+# ============================================================================
+# HANDLER FUNCTIONS: contact_sensor - zigbee2mqtt technology
+# ============================================================================
+
+def _transform_contact_sensor_zigbee2mqtt_to_vendor(payload: dict[str, Any]) -> dict[str, Any]:
+    """Transform abstract contact sensor payload to zigbee2mqtt format.
+    
+    Contact sensors are read-only, so this should not be called for SET commands.
+    Returns payload as-is for compatibility.
+    """
+    logger.warning("Contact sensors are read-only - SET commands should not be used")
+    return payload
+
+
+def _transform_contact_sensor_zigbee2mqtt_to_abstract(payload: dict[str, Any]) -> dict[str, Any]:
+    """Transform zigbee2mqtt contact sensor payload to abstract format.
+    
+    Transformations:
+    - contact: bool -> "open" | "closed"
+      - zigbee2mqtt semantics: False = OPEN, True = CLOSED (inverted!)
+    - battery: pass through (already 0-100)
+    - linkquality: pass through
+    - device_temperature: pass through (if present)
+    - voltage: pass through (if present)
+    
+    Example:
+    - zigbee2mqtt: {"contact": false, "battery": 100, "linkquality": 87}
+    - Abstract: {"contact": "open", "battery": 100, "linkquality": 87}
+    """
+    abstract_payload = {}
+    
+    # Transform contact state (inverted logic!)
+    if "contact" in payload:
+        contact_bool = payload["contact"]
+        # zigbee2mqtt: False = OPEN, True = CLOSED
+        abstract_payload["contact"] = "closed" if contact_bool else "open"
+    
+    # Pass through optional fields
+    if "battery" in payload:
+        abstract_payload["battery"] = payload["battery"]
+    
+    if "linkquality" in payload:
+        abstract_payload["linkquality"] = payload["linkquality"]
+    
+    if "device_temperature" in payload:
+        abstract_payload["device_temperature"] = payload["device_temperature"]
+    
+    if "voltage" in payload:
+        abstract_payload["voltage"] = payload["voltage"]
+    
+    return abstract_payload
+
+
+# ============================================================================
+# HANDLER FUNCTIONS: contact_sensor - max technology (Homegear MAX!)
+# ============================================================================
+
+def _transform_contact_sensor_max_to_vendor(payload: dict[str, Any]) -> dict[str, Any]:
+    """Transform abstract contact sensor payload to MAX! format.
+    
+    Contact sensors are read-only, so this should not be called for SET commands.
+    Returns payload as-is for compatibility.
+    """
+    logger.warning("Contact sensors are read-only - SET commands should not be used")
+    return payload
+
+
+def _transform_contact_sensor_max_to_abstract(payload: str | bool | dict[str, Any]) -> dict[str, Any]:
+    """Transform MAX! (Homegear) contact sensor payload to abstract format.
+    
+    MAX! sends "true"/"false" (string or bool) on STATE topic.
+    
+    Transformations:
+    - "true" or True -> "open" (window/door open)
+    - "false" or False -> "closed" (window/door closed)
+    
+    Example:
+    - MAX!: "true" or True
+    - Abstract: {"contact": "open"}
+    """
+    try:
+        # Handle string, bool, or dict input
+        if isinstance(payload, dict):
+            # If already a dict, extract contact field
+            contact_value = payload.get("contact", False)
+        elif isinstance(payload, str):
+            # Parse string to bool
+            contact_value = payload.strip().lower() == "true"
+        elif isinstance(payload, bool):
+            # Use bool directly
+            contact_value = payload
+        else:
+            logger.warning(f"MAX! contact sensor unexpected payload type: {type(payload)}, value: {payload}")
+            contact_value = False
+        
+        # MAX! semantics: True = OPEN, False = CLOSED
+        return {
+            "contact": "open" if contact_value else "closed"
+        }
+    except (ValueError, TypeError) as e:
+        logger.error(f"MAX! contact sensor failed to parse: {payload}, error: {e}")
+        return {
+            "contact": "closed"  # Default to closed on error
+        }
+
+
 # ============================================================================
 # HANDLER FUNCTIONS: max technology (Homegear MAX!)
 # ============================================================================
@@ -252,6 +358,16 @@ TRANSFORM_HANDLERS: dict[tuple[str, str, str], TransformHandler] = {
     ("thermostat", "zigbee2mqtt", "to_abstract"): _transform_thermostat_zigbee2mqtt_to_abstract,
     ("thermostat", "max", "to_vendor"): _transform_thermostat_max_to_vendor,
     ("thermostat", "max", "to_abstract"): _transform_thermostat_max_to_abstract,
+    
+    # Contact sensor transformations (support both 'contact' and 'contact_sensor' types)
+    ("contact_sensor", "zigbee2mqtt", "to_vendor"): _transform_contact_sensor_zigbee2mqtt_to_vendor,
+    ("contact_sensor", "zigbee2mqtt", "to_abstract"): _transform_contact_sensor_zigbee2mqtt_to_abstract,
+    ("contact_sensor", "max", "to_vendor"): _transform_contact_sensor_max_to_vendor,
+    ("contact_sensor", "max", "to_abstract"): _transform_contact_sensor_max_to_abstract,
+    ("contact", "zigbee2mqtt", "to_vendor"): _transform_contact_sensor_zigbee2mqtt_to_vendor,
+    ("contact", "zigbee2mqtt", "to_abstract"): _transform_contact_sensor_zigbee2mqtt_to_abstract,
+    ("contact", "max", "to_vendor"): _transform_contact_sensor_max_to_vendor,
+    ("contact", "max", "to_abstract"): _transform_contact_sensor_max_to_abstract,
 }
 
 

apps/api/main.py

@@ -15,7 +15,14 @@ from fastapi.middleware.cors import CORSMiddleware
 from fastapi.responses import StreamingResponse
 from pydantic import BaseModel, ValidationError
 
-from packages.home_capabilities import LIGHT_VERSION, THERMOSTAT_VERSION, LightState, ThermostatState
+from packages.home_capabilities import (
+    LIGHT_VERSION,
+    THERMOSTAT_VERSION,
+    CONTACT_SENSOR_VERSION,
+    LightState,
+    ThermostatState,
+    ContactState
+)
 
 logger = logging.getLogger(__name__)
 
@@ -137,7 +144,8 @@ async def spec() -> dict[str, dict[str, str]]:
     return {
         "capabilities": {
             "light": LIGHT_VERSION,
-            "thermostat": THERMOSTAT_VERSION
+            "thermostat": THERMOSTAT_VERSION,
+            "contact": CONTACT_SENSOR_VERSION
         }
     }
 
@@ -331,6 +339,13 @@ async def set_device(device_id: str, request: SetDeviceRequest) -> dict[str, str
             detail=f"Device {device_id} not found"
         )
     
+    # Check if device is read-only (contact sensors, etc.)
+    if "topics" in device and "set" not in device["topics"]:
+        raise HTTPException(
+            status_code=status.HTTP_405_METHOD_NOT_ALLOWED,
+            detail="Device is read-only"
+        )
+    
     # Validate payload based on device type
     if request.type == "light":
         try:
@@ -356,6 +371,12 @@ async def set_device(device_id: str, request: SetDeviceRequest) -> dict[str, str
                 status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
                 detail=f"Invalid payload for thermostat: {e}"
             )
+    elif request.type in {"contact", "contact_sensor"}:
+        # Contact sensors are read-only
+        raise HTTPException(
+            status_code=status.HTTP_405_METHOD_NOT_ALLOWED,
+            detail="Contact sensors are read-only devices"
+        )
     else:
         raise HTTPException(
             status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,

apps/ui/templates/dashboard.html

@@ -386,7 +386,45 @@
             transform: scale(0.95);
         }
         
+        /* Contact Sensor Styles */
+        .contact-status {
+            display: flex;
+            align-items: center;
+            gap: 0.75rem;
+            padding: 1rem;
+            background: #f8f9fa;
+            border-radius: 8px;
+            margin: 1rem 0;
+        }
         
+        .contact-badge {
+            padding: 0.5rem 1rem;
+            border-radius: 6px;
+            font-weight: 600;
+            font-size: 0.875rem;
+            text-transform: uppercase;
+            letter-spacing: 0.5px;
+        }
+        
+        .contact-badge.open {
+            background: #dc3545;
+            color: white;
+        }
+        
+        .contact-badge.closed {
+            background: #28a745;
+            color: white;
+        }
+        
+        .contact-info {
+            font-size: 0.75rem;
+            color: #999;
+            margin-top: 1rem;
+            padding: 0.5rem;
+            background: #f8f9fa;
+            border-radius: 4px;
+            text-align: center;
+        }
         
         .events {
             margin-top: 2rem;
@@ -483,6 +521,8 @@
                                     {% if device.features.brightness %}• Dimmbar{% endif %}
                                 {% elif device.type == "thermostat" %}
                                     Thermostat
+                                {% elif device.type == "contact" or device.type == "contact_sensor" %}
+                                    Contact Sensor • Read-Only
                                 {% else %}
                                     {{ device.type or "Unknown" }}
                                 {% endif %}
@@ -555,6 +595,18 @@
                                 +1.0
                             </button>
                         </div>
+                        
+                        {% elif device.type == "contact" or device.type == "contact_sensor" %}
+                        <div class="contact-status">
+                            <span class="contact-badge closed" id="state-{{ device.device_id }}">
+                                Geschlossen
+                            </span>
+                        </div>
+                        
+                        <div class="contact-info">
+                            🔒 Nur-Lesen Gerät • Keine Steuerung möglich
+                        </div>
+                        
                         {% endif %}
                     </div>
                     {% endfor %}
@@ -852,6 +904,24 @@
             }
         }
         
+        // Update contact sensor UI
+        function updateContactUI(deviceId, contactState) {
+            const badge = document.getElementById(`state-${deviceId}`);
+            if (!badge) {
+                console.warn(`No contact badge found for device ${deviceId}`);
+                return;
+            }
+            
+            // contactState is either "open" or "closed"
+            if (contactState === "open") {
+                badge.textContent = "Geöffnet";
+                badge.className = "contact-badge open";
+            } else if (contactState === "closed") {
+                badge.textContent = "Geschlossen";
+                badge.className = "contact-badge closed";
+            }
+        }
+        
         // Add event to list
         function addEvent(event) {
             const eventList = document.getElementById('event-list');
@@ -917,6 +987,11 @@
                         data.payload.target
                     );
                 }
+                
+                // Check if it's a contact sensor
+                if (data.payload.contact !== undefined) {
+                    updateContactUI(data.device_id, data.payload.contact);
+                }
             }
         };
         
@@ -1035,6 +1110,9 @@
                         // It's a thermostat
                         if (state.target) thermostatTargets[deviceId] = state.target;
                         updateThermostatUI(deviceId, state.current, state.target);
+                    } else if (state.contact !== undefined) {
+                        // It's a contact sensor
+                        updateContactUI(deviceId, state.contact);
                     }
                 }
             } catch (error) {

config/devices.yaml

@@ -518,3 +518,12 @@ devices:
     ieee_address: "0xf0d1b80000155fc2"
     model: "AC10691"
     vendor: "OSRAM"
+
+- device_id: fenster_wohnzimmer
+  type: contact
+  name: Fenster Wohnzimmer
+  cap_version: contact_sensor@1.0.0
+  technology: zigbee2mqtt
+  topics:
+    state: zigbee2mqtt/0x540f57fffe123456
+  features: {}

config/layout.yaml

@@ -69,6 +69,10 @@ rooms:
     title: Thermostat Wohnzimmer
     icon: 🌡️
     rank: 135
+  - device_id: fenster_wohnzimmer
+    title: Fenster Wohnzimmer
+    icon: 🪟
+    rank: 140
 - name: Küche
   devices:
   - device_id: kueche_deckenlampe

packages/home_capabilities/__init__.py

@@ -4,6 +4,8 @@ from packages.home_capabilities.light import CAP_VERSION as LIGHT_VERSION
 from packages.home_capabilities.light import LightState
 from packages.home_capabilities.thermostat import CAP_VERSION as THERMOSTAT_VERSION
 from packages.home_capabilities.thermostat import ThermostatState
+from packages.home_capabilities.contact_sensor import CAP_VERSION as CONTACT_SENSOR_VERSION
+from packages.home_capabilities.contact_sensor import ContactState
 from packages.home_capabilities.layout import DeviceTile, Room, UiLayout, load_layout
 
 __all__ = [
@@ -11,6 +13,8 @@ __all__ = [
     "LIGHT_VERSION",
     "ThermostatState",
     "THERMOSTAT_VERSION",
+    "ContactState",
+    "CONTACT_SENSOR_VERSION",
     "DeviceTile",
     "Room",
     "UiLayout",

packages/home_capabilities/contact_sensor.py

@@ -0,0 +1,96 @@
+"""Contact Sensor Capability - Fensterkontakt (read-only).
+
+This module defines the ContactState model for door/window contact sensors.
+These sensors report their open/closed state and are read-only devices.
+
+Capability Version: contact_sensor@1.0.0
+"""
+
+from datetime import datetime
+from typing import Annotated, Literal
+
+from pydantic import BaseModel, Field, field_validator
+
+
+# Capability metadata
+CAP_VERSION = "contact_sensor@1.0.0"
+DISPLAY_NAME = "Contact Sensor"
+
+
+class ContactState(BaseModel):
+    """State model for contact sensors (door/window sensors).
+    
+    Contact sensors are read-only devices that report whether a door or window
+    is open or closed. They typically also report battery level and signal quality.
+    
+    Attributes:
+        contact: Current state of the contact ("open" or "closed")
+        battery: Battery level percentage (0-100), optional
+        linkquality: MQTT link quality indicator, optional
+        device_temperature: Internal device temperature in °C, optional
+        voltage: Battery voltage in mV, optional
+        ts: Timestamp of the state reading, optional
+    
+    Examples:
+        >>> ContactState(contact="open")
+        ContactState(contact='open', battery=None, ...)
+        
+        >>> ContactState(contact="closed", battery=95, linkquality=87)
+        ContactState(contact='closed', battery=95, linkquality=87, ...)
+    """
+    
+    contact: Literal["open", "closed"] = Field(
+        ...,
+        description="Contact state: 'open' for open door/window, 'closed' for closed"
+    )
+    
+    battery: Annotated[int, Field(ge=0, le=100)] | None = Field(
+        None,
+        description="Battery level in percent (0-100)"
+    )
+    
+    linkquality: int | None = Field(
+        None,
+        description="Link quality indicator (typically 0-255)"
+    )
+    
+    device_temperature: float | None = Field(
+        None,
+        description="Internal device temperature in degrees Celsius"
+    )
+    
+    voltage: int | None = Field(
+        None,
+        description="Battery voltage in millivolts"
+    )
+    
+    ts: datetime | None = Field(
+        None,
+        description="Timestamp of the state reading"
+    )
+    
+    @staticmethod
+    def normalize_bool(is_open: bool) -> "ContactState":
+        """Convert boolean to ContactState.
+        
+        Helper method to convert a boolean value to a ContactState instance.
+        Useful when integrating with systems that use True/False for contact state.
+        
+        Args:
+            is_open: True if contact is open, False if closed
+        
+        Returns:
+            ContactState instance with appropriate contact value
+        
+        Examples:
+            >>> ContactState.normalize_bool(True)
+            ContactState(contact='open', ...)
+            
+            >>> ContactState.normalize_bool(False)
+            ContactState(contact='closed', ...)
+        """
+        return ContactState(contact="open" if is_open else "closed")
+
+
+# Public API
+__all__ = ["ContactState", "CAP_VERSION", "DISPLAY_NAME"]