Implemented audit logging and automated logging

2026-09-23 05:33:16 +02:00
parent 717b891554
commit ef134a5b3c
18 changed files with 250 additions and 38 deletions
@@ -0,0 +1,136 @@
+using PostFundManagement.Domain.Attributes;
+
+namespace PostFundManagement.Application.Interceptors;
+
+public sealed class LoggingInterceptor(ILogger<LoggingInterceptor> logger) : IAsyncInterceptor
+{
+    public void InterceptSynchronous(IInvocation invocation)
+    {
+        invocation.Proceed();
+
+        CheckAndLogIfFailed(invocation, invocation.ReturnValue);
+    }
+
+    public void InterceptAsynchronous(IInvocation invocation) =>
+        invocation.ReturnValue = InternalInterceptAsynchronous(invocation);
+
+    public void InterceptAsynchronous<TResult>(IInvocation invocation) =>
+        invocation.ReturnValue = InternalInterceptAsynchronous<TResult>(invocation);
+
+    private static async Task InternalInterceptAsynchronous(IInvocation invocation)
+    {
+        invocation.Proceed();
+
+        var task = (Task)invocation.ReturnValue;
+
+        await task.ConfigureAwait(false);
+    }
+
+    private async Task<TResult> InternalInterceptAsynchronous<TResult>(IInvocation invocation)
+    {
+        invocation.Proceed();
+
+        var task = (Task<TResult>)invocation.ReturnValue;
+        var resultObj = await task.ConfigureAwait(false);
+
+        var method = invocation.MethodInvocationTarget ?? invocation.Method;
+        var auditAttr = method.GetCustomAttribute<LogAttribute>()
+                     ?? invocation.Method.GetCustomAttribute<LogAttribute>();
+
+        if (auditAttr == null) return resultObj;
+
+        CheckAndLogIfFailed(invocation, resultObj);
+
+        return resultObj;
+    }
+
+    private void CheckAndLogIfFailed(IInvocation invocation, object? resultObj)
+    {
+        if (resultObj is IResultBase result && result.IsFailed)
+        {
+            try
+            {
+                var method = invocation.MethodInvocationTarget ?? invocation.Method;
+                var parameters = BuildPayloadSummary(method.GetParameters(), invocation.Arguments);
+
+                var errorMessages = new List<string>();
+
+                if (result.Reasons != null)
+                {
+                    foreach (var reason in result.Reasons)
+                        if (reason is IError error)
+                            errorMessages.Add(error.Message);
+                }
+
+                var errorsString = string.Join("; ", errorMessages);
+
+                logger.LogError("Method {MethodName} failed. Errors: {Errors}. Parameters: {@Parameters}",
+                    method.Name, errorsString, parameters);
+            }
+            catch (Exception ex)
+            {
+                logger.LogWarning(ex, "Failed to write error log for method {MethodName}.", invocation.Method.Name);
+            }
+        }
+    }
+
+    private static string[] BuildPayloadSummary(ParameterInfo[] parameters, object[] args)
+    {
+        var entries = new List<string>();
+
+        for (var i = 0; i < parameters.Length; i++)
+        {
+            var param = parameters[i];
+            var arg = args[i];
+
+            if (param.ParameterType == typeof(CancellationToken))
+                continue;
+
+            if (arg == null)
+            {
+                entries.Add($"{param.Name}: null");
+
+                continue;
+            }
+
+            if (arg is IFormFile file)
+            {
+                entries.Add($"{param.Name}: [File] Name='{file.FileName}', Size={file.Length} bytes, Type='{file.ContentType}'");
+
+                continue;
+            }
+
+            if (arg is IEnumerable<IFormFile> files)
+            {
+                var fileSummaries = new List<string>();
+
+                foreach (var f in files)
+                    fileSummaries.Add($"'{f.FileName}' ({f.Length} bytes)");
+
+                entries.Add($"{param.Name}: [Files] count={fileSummaries.Count} [{string.Join(", ", fileSummaries)}]");
+
+                continue;
+            }
+
+            if (arg is Stream stream)
+            {
+                entries.Add($"{param.Name}: [Stream] Length={(stream.CanSeek ? stream.Length : -1)} bytes");
+
+                continue;
+            }
+
+            try
+            {
+                var json = JsonSerializer.Serialize(arg);
+
+                entries.Add($"{param.Name}: {json}");
+            }
+            catch
+            {
+                entries.Add($"{param.Name}: [Unserializable]");
+            }
+        }
+
+        return [.. entries];
+    }
+}