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using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.Logging;
using Tango.LogViewer.UI.LogViewerFileParser;
namespace Tango.LogViewer.UI
{
public class LogViewerManager
{
private ILogViewerParser _parser;
public LogFile LogFile { get; set; }
public string FileName { get; set; }
public bool IsEmbeddedLog { get; set; }
public int CountOfSet { get; set; }
public LogViewerManager()
{
LogFile = null; ;
}
/// <summary>
/// Create LogFile by given path.
/// </summary>
/// <param name="file">The file.</param>
public void InitLogFile(String file)
{
LogFile = GetLogFile(file);
}
/// <summary>
/// Gets set of log files by path.
/// </summary>
public LogFile GetLogFile(string filePath)
{
if (!File.Exists(filePath))
{
throw new IOException("File not found.");
}
if (Path.GetExtension(filePath) != ".log")
{
throw new IOException("Invalid log file extension. extension must be *.log");
}
var directoryName = Path.GetDirectoryName(filePath);
var logfileName = Path.GetFileNameWithoutExtension(filePath);
String fileName = logfileName;
int index = logfileName.IndexOf("-");
if (index >= 0)
{
fileName = logfileName.Substring(0, index);
}
int indexPos = logfileName.IndexOf(FileLogger.FILE_SET_EXTENSION);
if (indexPos > 0)
{
logfileName = logfileName.Substring(0, indexPos);
}
String dateString = System.IO.Path.GetFileNameWithoutExtension(filePath).Replace($"{fileName}-", "").Replace("_session", "");
indexPos = dateString.IndexOf(FileLogger.FILE_SET_EXTENSION);
int indexOfFile = 0;
CountOfSet = 0;
if (indexPos > 0)
{
string fileNameIndex = dateString.Substring(indexPos + FileLogger.FILE_SET_EXTENSION.Length);
string[] fileEntries = Directory.GetFiles(directoryName, $"{logfileName}*{Path.GetExtension(filePath)}").Where(x => Path.GetFileName(x).StartsWith(logfileName)).OrderBy(x => x).ToArray();
CountOfSet = fileEntries.Length;
int.TryParse(fileNameIndex, out indexOfFile);
dateString = dateString.Substring(0, indexPos);
}
DateTime date = DateTime.ParseExact(dateString, "dd-MM-yyyy_HH-mm-ss", CultureInfo.InvariantCulture);
return (new LogFile() { DateTime = date, File = filePath, FileName = logfileName, PartOfSet = indexOfFile > 0, SetStartIndex = indexOfFile, SetCount = CountOfSet });
}
/// <summary>
/// Parses the this LogFile.
/// </summary>
public List<LogItemBase> Parse()
{
IsEmbeddedLog = false;
FileName = "";
List<LogItemBase> logItems = new List<LogItemBase>();
if (LogFile == null)
return logItems;
FileName = LogFile.FileName;
IsEmbeddedLog = FileName.StartsWith("Embedded");
if (IsEmbeddedLog)
{
_parser = new EmbeddedLogViewerParser();
}
else
{
_parser = new ApplicationLogViewerParser();
}
if (LogFile.PartOfSet)
{
string extension = Path.GetExtension(LogFile.File);
var directoryName = Path.GetDirectoryName(LogFile.File);
string[] fileEntries = Directory.GetFiles(directoryName, $"{FileName}*{extension}").Where(x => Path.GetFileName(x).StartsWith(FileName)).OrderBy(x => x).ToArray();
foreach (var file in fileEntries)
{
_parser.Parse(file, LogFile.DateTime, ref logItems);
}
}
else
{
_parser.Parse(LogFile.File, LogFile.DateTime, ref logItems);
}
return logItems;
}
}
}
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