Добавил API проект

2026-04-28 15:53:02 +03:00
parent d64447f0be
commit ee627e4878
20 changed files with 878 additions and 2 deletions
@@ -0,0 +1,54 @@
+using System.Net;
+using System.Text.Json;
+using UniVerse.Domain.Exceptions;
+
+namespace UniVerse.Api.Middleware;
+
+public class ExceptionHandlingMiddleware
+{
+    private readonly RequestDelegate _next;
+    private readonly ILogger<ExceptionHandlingMiddleware> _logger;
+
+    public ExceptionHandlingMiddleware(RequestDelegate next, ILogger<ExceptionHandlingMiddleware> logger)
+    {
+        _next = next; _logger = logger;
+    }
+
+    public async Task InvokeAsync(HttpContext context)
+    {
+        try { await _next(context); }
+        catch (Exception ex) { await HandleExceptionAsync(context, ex); }
+    }
+
+    private async Task HandleExceptionAsync(HttpContext context, Exception exception)
+    {
+        var (statusCode, title) = exception switch
+        {
+            NotFoundException => ((int)HttpStatusCode.NotFound, "Not Found"),
+            ForbiddenException => ((int)HttpStatusCode.Forbidden, "Forbidden"),
+            ConflictException => ((int)HttpStatusCode.Conflict, "Conflict"),
+            UnauthorizedAccessException => ((int)HttpStatusCode.Unauthorized, "Unauthorized"),
+            _ => ((int)HttpStatusCode.InternalServerError, "Internal Server Error")
+        };
+
+        if (statusCode == 500)
+            _logger.LogError(exception, "Unhandled exception");
+        else
+            _logger.LogWarning("Handled exception: {Message}", exception.Message);
+
+        context.Response.ContentType = "application/problem+json";
+        context.Response.StatusCode = statusCode;
+
+        var problem = new
+        {
+            type = $"https://httpstatuses.com/{statusCode}",
+            title,
+            status = statusCode,
+            detail = exception.Message,
+            traceId = context.TraceIdentifier
+        };
+
+        await context.Response.WriteAsync(JsonSerializer.Serialize(problem,
+            new JsonSerializerOptions { PropertyNamingPolicy = JsonNamingPolicy.CamelCase }));
+    }
+}