Core_Be/Helpers/DeserializePayload.cs

using System.Text.Json;
using Fitness_core_BE.Exceptions;

namespace Fitness_core_BE.Helpers
{
    public static class DeserializePayload
    {
        public static Dictionary<string, JsonElement> Deserialize(object payload)
        {
            ArgumentNullException.ThrowIfNull(payload);
            var json = JsonSerializer.Serialize(payload);
            return JsonSerializer.Deserialize<Dictionary<string, JsonElement>>(json)
                   ?? throw new BadRequestException("Failed to deserialize payload.");
        }

        public static T? DeserializeJson<T>(string? json) where T : class
        {
            if (string.IsNullOrWhiteSpace(json))
                return null;

            try
            {
                return JsonSerializer.Deserialize<T>(json);
            }
            catch
            {
                return null;
            }
        }
    }
}