fixes and start of UrlSwitchItem

src/UrlSwitchItem.ts

@@ -0,0 +1,55 @@
+import * as logger from './log'
+import { mqttHandler } from './MqttDispatcher'
+import { AItem, HasStateAndFeedbackTopic } from './AItem'
+import { SwitchExport, ExportType } from './Export'
+
+
+export class UrlSwitchItem extends AItem implements HasStateAndFeedbackTopic {
+    private offUrl: string
+    private onUrl: string
+    private oldState: string|undefined
+    private state: string
+    private actionTopic: string
+    private stateFeedbackTopic: string
+    private stateTopic: string
+    private type: string
+
+    getStateTopic() : string {
+        return this.stateTopic
+    }
+
+    getStateFeedbackTopic() : string {
+        return this.stateFeedbackTopic
+    }
+
+    constructor(floor: string, room: string, item: string, label: string, onUrl: string, offUrl: string, type: string = 'bulb') {
+        super(floor, room, item, label)
+        this.stateTopic = `${this.topicFirstPart}/state`
+        this.subscribeTopics = [this.stateTopic]
+        this.stateFeedbackTopic = `${this.topicFirstPart}/state/feedback`
+        this.actionTopic = 'IoT/Mqtt433Gateway/Message'
+        this.state = 'OFF'
+        this.oldState = undefined
+        this.onUrl = onUrl
+        this.offUrl = offUrl
+        this.type = type
+    }
+
+    exportItem() : ExportType|null {
+        return SwitchExport(this.itemId, this.label, this.stateTopic, this.stateFeedbackTopic, this.type)
+    }
+
+    processMessage(topic: string, payload: string) {
+        this.state = payload;
+        mqttHandler.send(this.stateFeedbackTopic, this.state);
+        if (this.state != this.oldState) {                
+            if (this.state == 'ON') {
+                mqttHandler.send(this.actionTopic, this.onCode);
+            } else {
+                mqttHandler.send(this.actionTopic, this.offCode);
+            }
+            this.oldState = this.state;
+        }
+    }
+}
+