cic-staff-client/src/app/_services/error-dialog.service.ts

import { Injectable } from '@angular/core';
import {MatDialog} from '@angular/material/dialog';
import {ErrorDialogComponent} from '@app/shared/error-dialog/error-dialog.component';

@Injectable({
  providedIn: 'root'
})
export class ErrorDialogService {
  public isDialogOpen: boolean = false;

  constructor(
    public dialog: MatDialog,
  ) { }

  openDialog(data): any {
    if (this.isDialogOpen) {
      return false;
    }
    this.isDialogOpen = true;
    const dialogRef = this.dialog.open(ErrorDialogComponent, {
      width: '300px',
      data
    });

    dialogRef.afterClosed().subscribe(() => this.isDialogOpen = false);
  }
}