In case of a table with no guest, it will ask for pax

bookie/src/app/sales/bills/bill.ts

@@ -37,6 +37,8 @@ export class Kot {
 export class Bill {
   id: string;
   date: string;
+  pax: number;
+  customer?: {id: string, name: string};
   user: User;
   creationDate: string;
   lastEditDate: string;

bookie/src/app/sales/bills/bills.component.ts

@@ -13,7 +13,7 @@ import { TablesDialogComponent } from '../tables-dialog/tables-dialog.component'
 import { TableService } from '../../tables/table.service';
 import { ToasterService } from '../../core/toaster.service';
 import { AuthService } from '../../auth/auth.service';
-import { SelectionModel } from '@angular/cdk/collections';
+import { PaxComponent } from "../pax/pax.component";
 
 @Component({
   selector: 'app-bills',
@@ -22,7 +22,6 @@ import { SelectionModel } from '@angular/cdk/collections';
 })
 export class BillsComponent implements OnInit {
   dataSource: BillsDataSource;
-  item: Bill;
   /** Columns displayed in the table. Columns IDs can be added, removed, or reordered. */
   displayedColumns: string[] = ['select', 'info', 'quantity'];
 
@@ -40,12 +39,28 @@ export class BillsComponent implements OnInit {
   ngOnInit() {
     this.route.data
       .subscribe((data: { item: Bill }) => {
-        this.item = data.item;
         this.bs.loadData(data.item);
       });
+    this.getPax();
     this.dataSource = new BillsDataSource(this.bs.dataObs);
   }
 
+  getPax(): void {
+    if (this.bs.bill.id || this.bs.bill.customer.id) {
+      return
+    }
+    const dialogRef = this.dialog.open(PaxComponent, {
+      // width: '750px',
+      data: this.bs.bill.pax
+    });
+
+    dialogRef.afterClosed().subscribe((result: boolean | number) => {
+      if (!result) {
+        return;
+      }
+      this.bs.bill.pax = result as number;
+    });
+  }
   isAllSelected(kot: Kot) {
     return this.bs.data.filter(
       x => x.kotId === kot.id