CHANGE: automatic topic generation in class

src/app/_models/mqtt_base.ts

@@ -1,18 +1,49 @@
-export class MQTTEntity {
-  name: string = '';
-  stat_t: string = '';
-  uniq_id: string = '';
-  // dev: MQTTDevice | null = null;
-  // entity_type: ENTITY_TYPE = 0;
+import { EventEmitter, Injectable } from '@angular/core';
+import { EntityService } from '../_services/entity.service';
 
-  setProperty(name: unknown, value: any): void {
-    if (!this.hasOwnProperty(String(name))) return;
-    this[name as keyof this] = value;
+@Injectable()
+export class MQTTEntity implements iMQTTEntityBase {
+  protected _name: string = '';
+  protected _stat_t: string = '';
+  protected _uniq_id: string = '';
+
+  attrs = new Set(['name', 'stat_t', 'uniq_id']);
+  topic_updates = new EventEmitter<string>();
+  readonly ent_type: string = 'base';
+
+  get name() {
+    return this._name;
   }
 
-  getProperty(name: string): any {
-    if (!this.hasOwnProperty(name)) return;
-    return this[name as keyof this];
+  set name(name: string) {
+    this._name = name;
+    this._uniq_id = btoa(this._name).slice(-7).slice(0, 5);
+    this.topic_updates.next('stat_t');
+  }
+
+  get stat_t() {
+    return this._stat_t;
+  }
+
+  set stat_t(stat: string) {
+    this._stat_t = stat;
+  }
+
+  get uniq_id() {
+    return this._uniq_id;
+  }
+
+  set uniq_id(uniq_id: string) {
+    this._uniq_id = uniq_id;
+    this.topic_updates.next('stat_t');
+  }
+
+  get display_name() {
+    if (this._name != '' && this._uniq_id != '') {
+      return this._name + '_' + this._uniq_id;
+    } else {
+      return this._name;
+    }
   }
 
   toJSON(): any {
@@ -24,14 +55,15 @@ export class MQTTEntity {
     }
     return jsonObject;
   }
+  getProperty(name: string): any {
+    if (!this.attrs.has(name)) return;
+    return this[name as keyof this];
+  }
 
-  // toJSON(): any {
-  //   return {
-  //     name: this.name,
-  //     stat_t: this.stat_t,
-  //     uniq_id: this.uniq_id,
-  //   };
-  // }
+  setProperty(name: string, value: any) {
+    if (!this.attrs.has(name)) return;
+    this[name as keyof this] = value;
+  }
 }
 
 export class MQTTDevice {
@@ -53,3 +85,16 @@ export class DeviceClass {
     return this.choices[this.value];
   }
 }
+
+export interface iMQTTEntityBase {
+  // name: string;
+  // stat_t: string;
+  // uniq_id: string;
+  // display_name: string;
+
+  attrs: Set<string>;
+  readonly ent_type: string;
+  topic_updates: EventEmitter<string>;
+
+  toJSON: () => string;
+}