Переработанная версия ядра

BotPages.Core/Logging/ConsoleLogger.cs

@@ -0,0 +1,30 @@
+namespace BotPages.Core.Logging;
+
+/// <summary>
+/// Вывод лога в консоль.
+/// </summary>
+public sealed class ConsoleLogger : ILogger
+{
+    /// <inheritdoc/>
+    public void Log(LogLevel level, string message, Exception? ex = null)
+    {
+        var prefix = level switch
+        {
+            LogLevel.Info => "[INFO] ",
+            LogLevel.Warn => "[WARN] ",
+            LogLevel.Critical => "[CRIT] ",
+            _ => "[LOG] "
+        };
+
+        string text = $"{DateTime.UtcNow:O} {prefix}{message}{(ex is null ? "" : $" :: {ex.Message}")}";
+
+        if (level == LogLevel.Critical)
+        {
+            Console.Error.WriteLine(text);
+        }
+        else
+        {
+            Console.WriteLine(text);
+        }
+    }
+}