ANTOOZA-BACKEND/SharedKernel/Extensions/QueryStringExtension.cs

using System;
using System.Collections.Generic;
using System.Text;

namespace SharedKernel.Extensions;

public static class QueryStringExtension
{
    public static string ToQueryString(this object obj)
    {
        if (obj is null)
        {
            return string.Empty;
        }

        var properties = obj.GetType().GetProperties(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Instance).Where(p => p.GetValue(obj) != null);
        var query = new StringBuilder('?');

        foreach (var prop in properties)
        {
            var value = prop.GetValue(obj);
            if (value is null)
            {
                continue;
            }

            if (query.Length > 1)
            {
                query.Append('&');
            }

            query.Append(Uri.EscapeDataString(prop.Name));
            query.Append('=');
            query.Append(Uri.EscapeDataString(value.ToString()!));
            query.Append("&");
        }

        return query.Length > 1 ? query.ToString().TrimEnd('&') : string.Empty;
    }
}