/// <summary>
/// Runs the file cleanup as a background task.
/// </summary>
private void RunFileCleanup()
{
try
{
if (!ShouldRunFileCleanup())
{
return;
}
lock (_syncRoot)
{
if (!ShouldRunFileCleanup())
{
return;
}
_lastCleanupTimeUtc = DateTime.UtcNow;
}
Task.Run(() =>
{
_eventLog.WriteInformation("Cleanup for file repository {0} starting", Name);
var oldFiles = CleanupOldTempFiles();
var staleFiles = CleanupFilesExceedingRetentionPeriod();
var filesRemoved = FilesRemoved;
if (filesRemoved != null && ((oldFiles != null && oldFiles.Count > 0) || (staleFiles != null && staleFiles.Count > 0)))
{
FilesRemovedEventArgs args = new FilesRemovedEventArgs(oldFiles, staleFiles);
filesRemoved(this, args);
}
_eventLog.WriteInformation("Cleanup for file repository {0} completed.", Name);
}).ContinueWith(t =>
{
var cleanupComplete = CleanupComplete;
cleanupComplete?.Invoke(this, new EventArgs( ));
});
}
catch (Exception exception)
{
_eventLog.WriteError("An error occured running the temp file cleanup for file repository {0}. Error {1}.", Name, exception);
}
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="name">The name of the repository.</param>
/// <param name="path">The path of the repository,</param>
/// <param name="tokenProvider">The token provider.</param>
/// <param name="eventLog">The event log.</param>
/// <param name="cleanupInterval">Cleanup interval for the repository.</param>
/// <param name="retentionPeriod">The retention period for the repository</param>
public FileRepository(string name, string path, IFileTokenProvider tokenProvider, IEventLog eventLog, TimeSpan retentionPeriod, TimeSpan cleanupInterval)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new ArgumentNullException(nameof(name));
}
if (string.IsNullOrWhiteSpace(path))
{
throw new ArgumentNullException(nameof(path));
}
if (tokenProvider == null)
{
throw new ArgumentNullException(nameof(tokenProvider));
}
if (eventLog == null)
{
throw new ArgumentNullException(nameof(eventLog));
}
if (retentionPeriod.TotalMilliseconds <= 0)
{
throw new ArgumentOutOfRangeException(nameof(retentionPeriod));
}
if (cleanupInterval.TotalMilliseconds <= 0)
{
throw new ArgumentOutOfRangeException(nameof(cleanupInterval));
}
// Try and create the file repository path if it does not exist
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
eventLog.WriteInformation("Creating file repository {0} at {1}.", name, path);
Name = name;
_repositoryPath = path.TrimEnd(Path.DirectorySeparatorChar);
_tokenProvider = tokenProvider;
_eventLog = eventLog;
_cleanupInterval = cleanupInterval;
_retentionPeriod = retentionPeriod;
// Get the temp directory path
_tempDirectoryPath = Path.Combine(path, TempDirectory);
Directory.CreateDirectory(_tempDirectoryPath);
}
/// <summary>
/// Writes the specified audit log entry.
/// </summary>
/// <param name="entryData">The entry data.</param>
/// <exception cref="System.ArgumentNullException">entryData</exception>
public void Write(IAuditLogEntryData entryData)
{
if (entryData == null)
{
throw new ArgumentNullException(nameof(entryData));
}
// Writes an entry to the event log
var eventLogMessage = new StringBuilder();
eventLogMessage.AppendLine($"Audit log entry. Type: '{entryData.AuditLogEntryType.Name}'");
eventLogMessage.AppendLine($"AuditLogMessage: '{entryData.Message}'");
eventLogMessage.AppendLine($"Success: '{entryData.Success}'");
eventLogMessage.AppendLine($"Severity: '{entryData.SeverityEnum}'");
eventLogMessage.AppendLine($"UserName: '******'");
eventLogMessage.AppendLine($"CreatedDate: '{entryData.CreatedDate.ToLocalTime().ToString("o")}'");
if (entryData.Parameters.Count > 0)
{
eventLogMessage.AppendLine("Parameters:");
foreach (var kvp in entryData.Parameters)
{
eventLogMessage.AppendLine($"{kvp.Key}: '{kvp.Value}'");
}
}
switch (entryData.SeverityEnum)
{
case AuditLogSeverityEnum_Enumeration.AuditLogError:
_eventLog.WriteError(eventLogMessage.ToString());
break;
case AuditLogSeverityEnum_Enumeration.AuditLogInformation:
_eventLog.WriteInformation(eventLogMessage.ToString());
break;
case AuditLogSeverityEnum_Enumeration.AuditLogWarning:
_eventLog.WriteWarning(eventLogMessage.ToString());
break;
}
}
/// <summary>
/// Writes the information.
/// </summary>
/// <param name="message">The message.</param>
/// <param name="args">The arguments.</param>
public void WriteInformation(string message, params object[] args)
{
_view.WriteInformation(message, args);
}
