add all existing items, homekit export

src/AItem.ts

@@ -1,26 +1,37 @@
 import * as logger from './log'
 import { mqttHandler } from './MqttDispatcher'
+import { HomekitExportType } from './Export'
 
 
 export abstract class AItem {
     protected topicFirstPart: string
     protected itemId: string
+    protected label: string
     private item: string
     private room: string
     private floor: string
     protected subscribeTopics: string[]
 
 
-    constructor(floor: string, room: string, item: string) {
+    constructor(floor: string, room: string, item: string, label: string = '') {
         this.floor = floor
         this.room = room    
         this.item = item
         this.itemId = `${this.floor}.${this.room}.${this.item}`
+        if (label == '') {
+            this.label = this.itemId
+        } else {
+            this.label = label
+        }
         this.topicFirstPart = `dispatcher_ng/items/${this.floor}/${this.room}/${this.item}`
     }
 
     abstract processMessage(topic: string, payload: string) : void
 
+    exportHomekit() : HomekitExportType {
+        return {'id': this.itemId, 'object': null }
+    }
+
     start() : void {
         mqttHandler.register(this.subscribeTopics, (topic: string, payload: string) : void => {
             logger.info(`item ${this.itemId}: ${topic}, ${payload}`)
@@ -28,5 +39,3 @@ export abstract class AItem {
         })
     }
 }
-
-