import { Injectable } from "@nestjs/common";

@Injectable()
export class CursorService {
  /**
   * Encode an ID to a cursor
   */
  encode(id: string): string {
    return Buffer.from(id).toString("base64");
  }

  /**
   * Decode a cursor to get the ID
   */
  decode(cursor: string): string {
    return Buffer.from(cursor, "base64").toString("utf-8");
  }
}