Add support for water consumption

See #69.

lib/P1Accessory.js

@@ -33,8 +33,8 @@ class P1Accessory extends homebridgeLib.AccessoryDelegate {
   }
 
   static get Electricity () { return Electricity }
-
   static get Gas () { return Gas }
+  static get Water () { return Water }
 }
 
 class Electricity extends P1Accessory {
@@ -75,4 +75,19 @@ class Gas extends P1Accessory {
   }
 }
 
+class Water extends P1Accessory {
+  constructor (platform, data) {
+    super(platform, 'Water', data)
+    this.service = new P1Service.Water(this, data)
+    this.historyService = new homebridgeLib.ServiceDelegate.History(
+      this, {
+        consumptionDelegate: this.service.characteristicDelegate('consumption')
+      }
+    )
+    if (!this.platform.config.outlet) {
+      this.dummyService = new homebridgeLib.ServiceDelegate.Dummy(this)
+    }
+  }
+}
+
 module.exports = P1Accessory

lib/P1Platform.js

@@ -192,6 +192,9 @@ class P1Platform extends homebridgeLib.Platform {
       if (data.gas != null) {
         this.gas = new P1Accessory.Gas(this, data.gas)
       }
+      if (data.water != null) {
+        this.water = new P1Accessory.Water(this, data.water)
+      }
       this.debug('initialised')
       this.emit('initialised')
     } else {
@@ -203,6 +206,9 @@ class P1Platform extends homebridgeLib.Platform {
       if (this.gas != null) {
         this.gas.check(data.gas)
       }
+      if (this.water != null) {
+        this.water.check(data.water)
+      }
     }
   }
 

lib/P1Service.js

@@ -35,6 +35,7 @@ class P1Service extends homebridgeLib.ServiceDelegate {
   static get Electricity () { return Electricity }
   static get Phase () { return Phase }
   static get Gas () { return Gas }
+  static get Water () { return Water }
 }
 
 class Electricity extends P1Service {
@@ -165,4 +166,27 @@ class Gas extends P1Service {
   }
 }
 
+class Water extends P1Service {
+  constructor (p1Accessory, data) {
+    super(p1Accessory, data)
+    this.addCharacteristicDelegate({
+      key: 'consumption',
+      Characteristic: this.Characteristics.eve.TotalConsumption,
+      unit: ' m³'
+    })
+    this.addCharacteristicDelegate({
+      key: 'lastUpdated',
+      Characteristic: this.Characteristics.my.LastUpdated,
+      silent: true
+    })
+    this.check(data)
+  }
+
+  check (data) {
+    this.values.consumption = data.consumption
+    const date = data.lastupdated == null ? new Date() : new Date(data.lastupdated)
+    this.values.lastUpdated = String(date).slice(0, 24)
+  }
+}
+
 module.exports = P1Service