src/app/shared/models/product.model.ts

export class Product {
  public id: number = null;
  public serialNumber: string = null;
  public name: string = null;
  public description: string = null;
  public category: string = null;
  public warrantyExpiration: string = null;
  public price: number = null;
  public currency: string = null;

  /**
   *Creates an instance of Product.
   * @param {*} [data=null]
   * @memberof Product
   */
  public constructor(data: any = null) {
    Object.keys(data || {})
      .filter(property => this.hasOwnProperty(property))
      .forEach(property => (this[property] = data[property]));
  }
}