Initial upload

Middleware/Log.cs

@@ -0,0 +1,43 @@
+public class Log
+{
+    private readonly RequestDelegate _next;
+    private readonly string _logFilePath;
+
+    public Log(RequestDelegate next, string logFilePath)
+    {
+        _next = next;
+        _logFilePath = logFilePath;
+
+        try
+        {
+            var dir = Path.GetDirectoryName(_logFilePath);
+            if (!string.IsNullOrEmpty(dir))
+                Directory.CreateDirectory(dir);
+        }
+        catch
+        {
+            // even startup logging must never crash
+        }
+    }
+
+    public async Task InvokeAsync(HttpContext context)
+    {
+        await _next(context);
+
+        try
+        {
+            var logLine =
+                $"{DateTime.UtcNow:o} {context.Request.Method} {context.Request.Path} -> {context.Response.StatusCode}";
+            
+                await File.AppendAllTextAsync(
+                    _logFilePath,
+                    logLine + Environment.NewLine
+                );
+            
+        }
+        catch
+        {
+            // NEVER let logging crash the request
+        }
+    }
+}