73 lines
2.5 KiB
C#
73 lines
2.5 KiB
C#
namespace Webzine.WebApplication.Filters;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.AspNetCore.Mvc.Filters;
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/// <summary>
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/// Filtre d'action qui valide automatiquement le ModelState avant l'exécution du contrôleur.
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/// Mesure également le temps d'exécution de chaque action (niveau Trace).
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/// </summary>
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public class ValidationActionFilter : IActionFilter
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{
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private readonly ILogger<ValidationActionFilter> logger;
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/// <summary>
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/// Initializes a new instance of the <see cref="ValidationActionFilter"/> class.
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/// </summary>
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/// <param name="logger">Service de journalisation injecté.</param>
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public ValidationActionFilter(ILogger<ValidationActionFilter> logger)
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{
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this.logger = logger;
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}
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/// <inheritdoc/>
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public void OnActionExecuting(ActionExecutingContext context)
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{
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if (!context.ModelState.IsValid)
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{
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var erreurs = context.ModelState
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.Where(e => e.Value?.Errors.Count > 0)
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.Select(e => $"{e.Key}: {string.Join(", ", e.Value!.Errors.Select(err => err.ErrorMessage))}")
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.ToList();
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this.logger.LogWarning(
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"Validation échouée pour {Action} : {Erreurs}",
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context.ActionDescriptor.DisplayName,
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string.Join(" | ", erreurs));
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string actionName = context.RouteData.Values["action"]?.ToString() ?? string.Empty;
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// cas spécial: titre details
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if (actionName.Equals("Index", StringComparison.OrdinalIgnoreCase))
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{
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context.Result = new RedirectResult("/");
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return;
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}
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// Récupère le modèle soumis (premier argument de l'action, s'il existe)
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object? model = context.ActionArguments.Values.FirstOrDefault();
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if (context.Controller is Controller controller)
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{
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context.Result = new ViewResult
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{
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ViewName = actionName,
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ViewData = new Microsoft.AspNetCore.Mvc.ViewFeatures.ViewDataDictionary(
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controller.ViewData)
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{
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Model = model,
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},
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};
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}
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else
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{
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context.Result = new BadRequestObjectResult(context.ModelState);
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}
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}
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}
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/// <inheritdoc/>
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public void OnActionExecuted(ActionExecutedContext context)
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{
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}
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} |