90 lines
3.5 KiB
C#
90 lines
3.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Threading.Tasks;
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using DiscordBotCore.Interfaces.Logger;
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namespace DiscordBotCore.Others.Logger;
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public sealed class Logger : ILogger
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{
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private readonly FileStream _LogStream;
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public List<string> LogMessageProperties = typeof(ILogMessage).GetProperties().Select(p => p.Name).ToList();
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public string LogMessageFormat { get ; set; }
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public event EventHandler<ILogger.FormattedMessage> OnFormattedLog;
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public event EventHandler<ILogMessage> OnRawLog;
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public Logger(string logMessageFormat)
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{
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this.LogMessageFormat = logMessageFormat;
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_LogStream = File.Open(Application.CurrentApplication.LogFile, FileMode.Append, FileAccess.Write, FileShare.Read);
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}
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/// <summary>
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/// Generate a formatted string based on the default parameters of the ILogMessage and a string defined as model
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/// </summary>
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/// <param name="message">The message</param>
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/// <returns>A formatted string with the message values</returns>
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private string GenerateLogMessage(ILogMessage message)
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{
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string messageAsString = new string(LogMessageFormat);
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foreach (var prop in LogMessageProperties)
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{
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Type messageType = typeof(ILogMessage);
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messageAsString = messageAsString.Replace("{" + prop + "}", messageType?.GetProperty(prop)?.GetValue(message)?.ToString());
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}
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return messageAsString;
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}
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private async void LogToFile(string message)
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{
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byte[] messageAsBytes = System.Text.Encoding.ASCII.GetBytes(message);
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await _LogStream.WriteAsync(messageAsBytes, 0, messageAsBytes.Length);
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byte[] newLine = System.Text.Encoding.ASCII.GetBytes(Environment.NewLine);
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await _LogStream.WriteAsync(newLine, 0, newLine.Length);
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await _LogStream.FlushAsync();
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}
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private string GenerateLogMessage(ILogMessage message, string customFormat)
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{
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string messageAsString = customFormat;
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foreach (var prop in LogMessageProperties)
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{
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Type messageType = typeof(ILogMessage);
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messageAsString = messageAsString.Replace("{" + prop + "}", messageType?.GetProperty(prop)?.GetValue(message)?.ToString());
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}
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return messageAsString;
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}
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public void Log(ILogMessage message, string format)
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{
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OnRawLog?.Invoke(this, message);
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string messageAsString = GenerateLogMessage(message, format);
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OnFormattedLog?.Invoke(this, new ILogger.FormattedMessage() { Message = messageAsString, Type = message.LogMessageType });
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LogToFile(messageAsString);
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}
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public void Log(ILogMessage message)
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{
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OnRawLog?.Invoke(this, message);
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string messageAsString = GenerateLogMessage(message);
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OnFormattedLog?.Invoke(this, new ILogger.FormattedMessage() { Message = messageAsString, Type = message.LogMessageType }) ;
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LogToFile(messageAsString);
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}
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public void Log(string message, LogType logType, string format) => Log(new LogMessage(message, logType), format);
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public void Log(string message, LogType logType) => Log(new LogMessage(message, logType));
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public void Log(string message, object Sender) => Log(new LogMessage(message, Sender));
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public void Log(string message, object Sender, LogType type) => Log(new LogMessage(message, Sender, type));
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public void LogException(Exception exception, object Sender) => Log(LogMessage.CreateFromException(exception, Sender));
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}
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