CHANGE: added publish topic functions

src/app/_models/mqtt_base.ts

@@ -1,11 +1,11 @@
 import { EventEmitter, Injectable } from '@angular/core';
-import { EntityService } from '../_services/entity.service';
 
 @Injectable()
 export class MQTTEntity implements iMQTTEntityBase {
   protected _name: string = '';
   protected _stat_t: string = 'state/topic';
   protected _uniq_id: string = '';
+  private _size: number = 0;
 
   attrs = new Set(['name', 'stat_t', 'uniq_id']);
   topic_updates = new EventEmitter<string>();
@@ -18,7 +18,7 @@ export class MQTTEntity implements iMQTTEntityBase {
   set name(name: string) {
     this._name = name;
     if (name == '') return;
-    this._uniq_id = hash(name);
+    this._uniq_id = name + '_' + hash(name);
     this.topic_updates.next('stat_t');
   }
 
@@ -40,16 +40,19 @@ export class MQTTEntity implements iMQTTEntityBase {
   }
 
   get display_name() {
-    if (this._name != '' && this._uniq_id != '') {
-      return this._name + '_' + this._uniq_id;
-    } else {
-      return this._name;
+    if (this._uniq_id != '') {
+      return this._uniq_id;
     }
+    return this._name;
   }
 
-  toJSON(): any {
-    let jsonObject: { [key: string]: string } = {};
-    for (let prop_name of Object.getOwnPropertyNames(this)) {
+  publish_topics(index: number = 1): string[] {
+    return [`String stat_topic_${index} = "${this.stat_t}";`];
+  }
+
+  toJSON(): { [key: string]: string | {} } {
+    let jsonObject: { [key: string]: string | {} } = {};
+    for (let prop_name of this.attrs.values()) {
       let property = this[prop_name as keyof this];
       if (property == '') continue;
       jsonObject[prop_name] = String(property);
@@ -63,7 +66,7 @@ export class MQTTEntity implements iMQTTEntityBase {
   }
 
   getProperty(name: string): any {
-    if (!this.attrs.has(name)) return;
+    if (!this.attrs.has(name)) return '';
     return this[name as keyof this];
   }
 
@@ -73,13 +76,6 @@ export class MQTTEntity implements iMQTTEntityBase {
   }
 }
 
-export class MQTTDevice {
-  name: string = '';
-  identifiers: string[] = ['MQTT'];
-  serial_number: string = '';
-  configuration_url: string = '';
-}
-
 export class DeviceClass {
   value: number = 0;
   choices: string[] = ['None'];
@@ -94,22 +90,23 @@ export class DeviceClass {
 }
 
 export interface iMQTTEntityBase {
-  // name: string;
-  // stat_t: string;
-  // uniq_id: string;
-  // display_name: string;
+  name: string;
+  stat_t: string;
+  uniq_id: string;
+  display_name: string;
 
   attrs: Set<string>;
   readonly ent_type: string;
   topic_updates: EventEmitter<string>;
 
-  toJSON: () => string;
+  publish_topics: (index: number) => string[];
+  toJSON: () => { [key: string]: string | {} };
 }
 
-function hash(str: string): string {
+export function hash(str: string, digits: number = 5): string {
   let seed = cyrb128(str);
   let rand = sfc32(seed[0], seed[1], seed[2], seed[3]);
-  let rand_num = Math.floor(rand() * 100000).toString();
+  let rand_num = Math.floor(rand() * 10 ** digits).toString();
   return rand_num;
 }