New abstract structure

Events for invoices get emitted in rooms

src/helper/socketio.ts

@@ -6,16 +6,9 @@ import { PaymentStatus } from "./types";
 
 export class SocketManager {
     io: Server;
-    
-    private socketInvoice: Map<string, string>; // Socket ID / _id
-    private idSocket: Map<string, Socket>;      // Socket ID / Socket
-    private invoiceSocket: Map<string, Socket>; // _id / Socket
 
     constructor(io: Server) {
         this.io = io;
-        this.socketInvoice = new Map<string, string>();
-        this.idSocket = new Map<string, Socket>();
-        this.invoiceSocket = new Map<string, Socket>();
         this.listen();
     }
 
@@ -23,8 +16,6 @@ export class SocketManager {
         console.log("Listen");
         
         this.io.on('connection', (socket: Socket) => {
-            this.idSocket.set(socket.id, socket);
-
             // The frontend sends his selector, then pick _id and put it in `socketInvoice` map.
             // Return `true` if successful and `false` if not.
             socket.on('subscribe', async data => {
@@ -36,25 +27,13 @@ export class SocketManager {
                     }
 
                     logger.info(`Socket ${socket.id} has subscribed to invoice ${invoice.id} (${PaymentStatus[invoice.status]})`);
-                    
-                    this.socketInvoice.set(socket.id, invoice.id);
-                    this.invoiceSocket.set(invoice.id, socket);
-                    socket.emit('subscribe', true);
                 }
             });
         });
     }
 
-    getSocketById(id: string) {
-        return this.idSocket.get(id);
-    }
-
-    async getInvoiceBySocket(socketId: string) {
-        const invoiceId = this.socketInvoice.get(socketId);
-        return await Invoice.findById(invoiceId);
-    }
-
-    getSocketByInvoice(invoice: IInvoice) {
-        return this.invoiceSocket.get(invoice.id);
+    emitInvoiceEvent(invoice: IInvoice, event: string, data: any) {
+        logger.debug(`Broadcast ${data} to room ${invoice.selector}`);
+        this.io.to(invoice.selector).emit(event, data);
     }
 }