using System.Net;
using Bunny.Dao.Common.Result;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Filters;

namespace Bunny.Common.Attribute;

/// <summary>
///     全局请求表单验证拦截器
/// </summary>
public class ValidateModelStateAttribute : ActionFilterAttribute
{
    public override void OnActionExecuting(ActionExecutingContext actionContext)
    {
        if (actionContext.ModelState.IsValid) return;

        // 表单验证失败
        var errorMessage = string.Join(",", actionContext.ModelState.Values
            .SelectMany(value => value.Errors)
            .Select(value => value.ErrorMessage));

        var result = Result<string>.Error(HttpStatusCode.BadRequest, errorMessage);

        // 重新复写返回结果
        actionContext.Result = new ObjectResult(result);
    }
}