export class ItemsFactory {
  items: any[];

  constructor() {
    this.items = [];
  }

  public getCount() {
    return this.items.length;
  }

  public pushOrUpdate(
    variant: number,
    id: number,
    order: number,
    items: any[]
  ): any {
    const itemIdx = this.items.findIndex(x => x.variant.id === id);

    if (itemIdx) {
      this.items[itemIdx].items = items;
    } else {
      this.items.push({
        variant: {
          id,
          variant,
          order,
          items
        }
      });
    }
  }
}