void CreateNewLog(DailyDeviceLog deviceLog, string logFilePath, IDevice device, bool includeDeviceMetadata)
{
using (var sw = File.CreateText(logFilePath))
{
sw.WriteLine("======== Start of the log file ========");
if (includeDeviceMetadata)
{
// Write additional device metadata
sw.WriteLine($"=== Additional metadata ===");
sw.WriteLine($"== Collected at: {DateTime.Now}");
sw.WriteLine($"== Name: {device.Name}");
sw.WriteLine($"== Serial: {device.SerialNo}");
sw.WriteLine($"== Mac: {device.Mac}");
sw.WriteLine($"== Boot: {device.BootloaderVersion}");
sw.WriteLine($"== FW: {device.FirmwareVersion}");
sw.WriteLine($"== Battery: {device.Battery}");
}
// Write log into file
foreach (var entry in deviceLog.Entries)
{
sw.WriteLine(entry.ToString());
}
sw.WriteLine("======== Log end ========");
}
}
public string SaveLog(string logsDirectoryPath, DailyDeviceLog dailyLog, IDevice device, bool includeDeviceMetadata)
{
if (dailyLog.Entries.Count == 0)
{
return(string.Empty);
}
var specificDeviceLogsPath = Path.Combine(logsDirectoryPath, device.SerialNo);
Directory.CreateDirectory(specificDeviceLogsPath);
var logFileName = GetLogFileName(dailyLog, device.SerialNo);
var logFilePath = Path.Combine(specificDeviceLogsPath, logFileName);
if (File.Exists(logFilePath))
{
AppendLog(dailyLog, logFilePath);
}
else
{
CreateNewLog(dailyLog, logFilePath, device, includeDeviceMetadata);
}
return(logFilePath);
}
DailyDeviceLog CombineToDailyLog(params List <DeviceLogEntry>[] entriesParam)
{
var dailyLog = new DailyDeviceLog()
{
Date = DateTime.Today
};
foreach (var entries in entriesParam)
{
dailyLog.Entries.AddRange(entries);
}
return(dailyLog);
}
string GetLogFileName(DailyDeviceLog deviceLog, string serialNo)
{
const string fileDateFormat = "yyyy-M-dd";
const string fileExtension = ".txt";
var serialNoLastDigits = serialNo.Substring(Math.Max(0, serialNo.Length - 5));
var filenameSecondPart = $"hw {serialNoLastDigits}.{fileExtension}";
if (deviceLog.Date == null || deviceLog.Date == DateTime.MinValue)
{
return($"unspecified time - {DateTime.Now.Date.ToString(fileDateFormat)} {filenameSecondPart}");
}
else
{
return($"{deviceLog.Date.ToString(fileDateFormat)} {filenameSecondPart}");
}
}
void AppendLog(DailyDeviceLog deviceLog, string logFilePath)
{
// Read already written data
var dataInFile = new List <string>();
using (var fs = File.Open(logFilePath, FileMode.Open))
{
using (var sr = new StreamReader(fs))
{
while (!sr.EndOfStream)
{
dataInFile.Add(sr.ReadLine());
}
}
}
// Get the last entry with time
var lastLineWithDate = dataInFile.LastOrDefault(l => !l.StartsWith(DeviceLogEntry.UNKNOWN_TIME_STR) && !l.StartsWith("="));
using (var fs = File.Open(logFilePath, FileMode.Append))
{
using (var sw = new StreamWriter(fs))
{
if (string.IsNullOrWhiteSpace(lastLineWithDate))
{
sw.WriteLine($"======== No dated entries, reprinting full log, {DateTime.Now} ========");
foreach (var entry in deviceLog.Entries)
{
sw.WriteLine(entry.ToString());
}
sw.WriteLine("======== Log end ========");
}
else
{
var duplicateEntryIndex = deviceLog.Entries.FindIndex(e => e.ToString() == lastLineWithDate);
if (duplicateEntryIndex == -1)
{
sw.WriteLine($"======== No matching dated entries, printing new log, {DateTime.Now} ========");
foreach (var entry in deviceLog.Entries)
{
sw.WriteLine(entry.ToString());
}
sw.WriteLine("======== Log end ========");
}
else
{
var filteredEntries = deviceLog.Entries.Skip(duplicateEntryIndex + 1); // Skip duplicated entry too
if (filteredEntries.Count() > 0)
{
sw.WriteLine($"======== Found matching dated entry, continue printing since last dated entry, {DateTime.Now} ========");
foreach (var entry in filteredEntries)
{
sw.WriteLine(entry.ToString());
}
sw.WriteLine("======== Log end ========");
}
}
}
}
}
}
