/// <inheritdoc />
public ObservableCollection <LogEntry> ValueFor(Configuration configuration)
{
if (configuration == null)
{
throw new ArgumentNullException(nameof(configuration));
}
var hashLogEntries = new ConcurrentBag <LogEntry>();
var result = new ObservableCollection <LogEntry>();
var currentHashAlgorithms = configuration.HashTypes;
var includeExtensionList = new List <string>();
var excludeExtensionList = new List <string>
{
"ini",
"db"
};
excludeExtensionList.AddRange(currentHashAlgorithms);
var includeFileNameList = new List <string>();
var excludeFileNameList = new List <string>
{
"folders2hash_log"
};
var fileList = new ConcurrentBag <string>();
//true == directory, false == file
Parallel.ForEach(configuration.PathsToScan,
item =>
{
if (item.Value)
{
fileList.AddRange(_filePath.GetFileList(item.Key, includeExtensionList, excludeExtensionList, includeFileNameList, excludeFileNameList).Distinct());
}
else
{
fileList.Add(item.Key);
}
}
);
Parallel.ForEach(currentHashAlgorithms,
type =>
{
Parallel.ForEach(fileList.Distinct(),
file =>
{
var hashFileName = _calculate.HashFileName(file, type, configuration.KeepFileExtension);
var fileInfo = new FileInfo(file);
var logEntry = new LogEntry
{
FileName = file,
ShortFileName = fileInfo.Name,
HashFileName = hashFileName,
Type = type.ToUpper(),
TimeStamp = DateTime.Now
};
if (!File.Exists(hashFileName) || File.GetLastWriteTime(file) > File.GetLastWriteTime(hashFileName))
{
var hashSum = _calculate.Hash(file, type);
if (File.Exists(hashFileName))
{
File.Delete(hashFileName);
}
logEntry.HashSum = hashSum;
logEntry.AlreadyExisting = false;
File.AppendAllText(hashFileName, hashSum);
}
else
{
logEntry.HashSum = File.ReadAllText(hashFileName).Trim();
logEntry.AlreadyExisting = true;
}
hashLogEntries.Add(logEntry);
}
);
}
);
if (hashLogEntries.Any())
{
if (hashLogEntries.Any(item => item != null && item.AlreadyExisting == false))
{
result = new ObservableCollection <LogEntry>(hashLogEntries.Where(item => item != null && item.AlreadyExisting == false));
}
_logging.RunFor(hashLogEntries, configuration);
}
return(result);
}