public override void Add(int accountId, IUser user)
{
if (string.IsNullOrEmpty(user.Name))
{
throw new UsersException(ErrorCodes.UsernameEmpty);
}
var sync = GetSync(accountId);
sync.EnterWriteLock();
try
{
var users = accounts.GetOrAdd(accountId, NewAccount);
if (users.ContainsKey(user.Name))
{
throw new UsersException(ErrorCodes.UserExist);
}
users.Add(user.Name, new CsvUser(user));
var fileName = files.GetFileName(accountId);
if (Directory.Exists(Path.GetDirectoryName(fileName)) == false)
{
Directory.CreateDirectory(Path.GetDirectoryName(fileName));
}
File.AppendAllText(fileName, "\r\n" + CsvUser.ToString(user));
}
finally
{
sync.ExitWriteLock();
}
}
private void WriteUsers(int accountId, Dictionary <string, CsvUser> users)
{
files.IgnoryFileChanges(accountId);
using (var file = File.CreateText(files.GetFileName(accountId)))
{
files.IgnoryFileChanges(accountId);
file.WriteLine("# " + CsvUser.GetFormatDescription());
foreach (var user in users)
{
files.IgnoryFileChanges(accountId);
file.WriteLine(user.Value.ToString());
}
}
}
private void ReadUsers(int accountId, string fileName)
{
var sync = GetSync(accountId);
sync.EnterWriteLock();
try
{
var users = NewAccount(accountId);
accounts.Replace(accountId, users);
using (var csv = new CsvReader(new StreamReader(fileName), false))
{
csv.SkipEmptyLines = true;
csv.MissingFieldAction = MissingFieldAction.ReplaceByEmpty;
csv.DefaultParseErrorAction = ParseErrorAction.AdvanceToNextLine;
int fieldCount = csv.FieldCount;
string[] headers = csv.GetFieldHeaders();
while (csv.ReadNextRecord())
{
var user = new CsvUser();
if (user.Read(csv))
{
if (users.ContainsKey(user.Name) == false)
{
users.Add(user.Name, user);
}
}
}
}
}
catch (Exception)
{
// должно вызываться снаружи лока
//OnError(ex.Message);
}
finally
{
sync.ExitWriteLock();
}
OnReset(accountId);
}
public override IUser GetByName(int accountId, string username)
{
var sync = GetSync(accountId);
sync.EnterReadLock();
try
{
CsvUser user = null;
var users = accounts.GetValue(accountId);
if (users != null)
{
users.TryGetValue(username, out user);
}
return(user);
}
finally
{
sync.ExitReadLock();
}
}
private void ReadUsers(int accountId, string fileName)
{
var sync = GetSync(accountId);
sync.EnterWriteLock();
try
{
var users = NewAccount(accountId);
accounts.Replace(accountId, users);
using (var csv = new CsvReader(new StreamReader(fileName), false))
{
csv.SkipEmptyLines = true;
csv.MissingFieldAction = MissingFieldAction.ReplaceByEmpty;
csv.DefaultParseErrorAction = ParseErrorAction.AdvanceToNextLine;
int fieldCount = csv.FieldCount;
string[] headers = csv.GetFieldHeaders();
while (csv.ReadNextRecord())
{
var user = new CsvUser();
if (user.Read(csv))
if (users.ContainsKey(user.Name) == false)
users.Add(user.Name, user);
}
}
}
catch (Exception)
{
// должно вызываться снаружи лока
//OnError(ex.Message);
}
finally
{
sync.ExitWriteLock();
}
OnReset(accountId);
}
