Added `distance_sensor` entity

platypush/backend/http/webapp/src/components/panels/Entities/DistanceSensor.vue

@@ -0,0 +1 @@
+Sensor.vue

platypush/backend/http/webapp/src/components/panels/Entities/meta.json

@@ -31,6 +31,14 @@
     }
   },
 
+  "distance_sensor": {
+    "name": "Sensor",
+    "name_plural": "Sensors",
+    "icon": {
+      "class": "fas fa-ruler-horizontal"
+    }
+  },
+
   "bluetooth_device": {
     "name": "Device",
     "name_plural": "Devices",

platypush/entities/distance.py

@@ -0,0 +1,23 @@
+from sqlalchemy import Column, Integer, ForeignKey
+
+from platypush.common.db import Base
+
+from .sensors import NumericSensor
+
+
+if 'distance_sensor' not in Base.metadata:
+
+    class DistanceSensor(NumericSensor):
+        """
+        This class models distance sensors.
+        """
+
+        __tablename__ = 'distance_sensor'
+
+        id = Column(
+            Integer, ForeignKey(NumericSensor.id, ondelete='CASCADE'), primary_key=True
+        )
+
+        __mapper_args__ = {
+            'polymorphic_identity': __tablename__,
+        }