blazor-cms/ConfigBackEnd/Extensions/GenericExtensions.cs

namespace Indotalent.ConfigBackEnd.Extensions;

using Indotalent.Shared.Models;
using Microsoft.AspNetCore.Http;
using System.Text.Json;

public static class GenericExtensions
{
    public static bool IsNullOrEmpty<T>(this IEnumerable<T>? enumerable)
    {
        return enumerable == null || !enumerable.Any();
    }

    public static T? ToObject<T>(this string json)
    {
        if (string.IsNullOrWhiteSpace(json)) return default;

        return JsonSerializer.Deserialize<T>(json, new JsonSerializerOptions
        {
            PropertyNameCaseInsensitive = true
        });
    }

    public static string ToJson<T>(this T obj)
    {
        return JsonSerializer.Serialize(obj);
    }

    public static TDestination MapTo<TDestination>(this object source)
        where TDestination : new()
    {
        var json = JsonSerializer.Serialize(source);
        return JsonSerializer.Deserialize<TDestination>(json) ?? new TDestination();
    }

    public static string ToCurrency(this decimal value, string culture = "id-ID")
    {
        return value.ToString("C0", new System.Globalization.CultureInfo(culture));
    }

    public static bool IsBetween<T>(this T value, T low, T high) where T : IComparable<T>
    {
        return value.CompareTo(low) >= 0 && value.CompareTo(high) <= 0;
    }

    public static IResult ToApiResponse<T>(this PagedList<T> result)
    {
        return Results.Ok(new ApiResponse<List<T>>
        {
            IsSuccess = true,
            StatusCode = 200,
            Value = result.Value,
            Pagination = new PaginationMetadata
            {
                Count = result.Count,
                Top = result.Top,
                Skip = result.Skip
            },
            ServerTime = DateTime.UtcNow
        });
    }

    public static IResult ToApiResponse<T>(this T? result, string? message = null, int statusCode = 200)
    {
        if (result == null)
        {
            return Results.NotFound(new ApiResponse<T>
            {
                IsSuccess = false,
                StatusCode = 404,
                Message = message ?? "Data not found",
                ServerTime = DateTime.UtcNow
            });
        }

        return Results.Ok(new ApiResponse<T>
        {
            IsSuccess = true,
            StatusCode = statusCode,
            Message = message,
            Value = result,
            Pagination = null,
            ServerTime = DateTime.UtcNow
        });
    }
}