export class ProgressInfo{
  public message: string;
  public total: number = 0; //ex: 500
  public value: number = 0; //ex: 50
  public percentage: number = 0; //ex: 10%

  public increment() {
    this.value++;
    this.calculatePercentage();
  }

  private calculatePercentage() {
    this.percentage = this.value * 100 / this.total;
  }
}