export class UrlParamFilterService {

  public urlEncode(rawFilters: {[key: string]: any} = {}): {[key: string]: string|string[]} {
    const parsedFilters: {[key: string]: any} = {};

    Object.keys(rawFilters).forEach((key: string) => {
      const encodedKey: string = encodeURIComponent(key);
      const value: any = rawFilters[key];

      if (value instanceof Array) {
        const encodedValues: string[] = [];
        value.forEach((item: any) => encodedValues.push(encodeURIComponent(item)));
        parsedFilters[encodedKey] = encodedValues;
      } else {
        parsedFilters[encodedKey] = encodeURIComponent(value);
      }
    });

    return parsedFilters;
  }
}