public Result Create(string name, string owner)
{
if (string.IsNullOrEmpty(name))
{
name = "Новый документ";
}
lock (_sync)
{
name = UniqueName(name);
var document = Invoke.Safe(() => _factory.Create(name), LastError);
if (document == null)
{
return(new Result {
State = State.Deleted, Success = false, Buffer = _lastResult.ToString()
});
}
document.Creator = owner;
document.CreationTime = DateTime.Now;
_hash[name] = document;
return(new Result {
State = State.Created, Success = true
});
}
}
/// <summary>
/// Closing without deleting.
/// User informs that he won't edit the text.
/// </summary>
public Result Close(string name, string user)
{
lock (_sync)
{
if (!_hash.ContainsKey(name))
{
return new Result {
State = State.Deleted, Success = false
}
}
;
if (IsOpened(name) && !IsOwner(name, user))
{
return new Result {
State = State.Opened, Success = false
}
}
;
var document = _hash[name];
if (_factory.SupportClose())
{
Invoke.Safe(() => _factory.Close(document), LastError);
}
document.IsOpened = false;
document.Owner = string.Empty;
}
return(new Result {
State = State.Closed, Success = true
});
}
public Result Write(string name, string user, string text)
{
lock (_sync)
{
if (!_hash.ContainsKey(name))
{
return new Result {
State = State.Deleted, Success = false
}
}
;
if (IsOpened(name) && !IsOwner(name, user))
{
return new Result {
State = State.Opened, Success = false
}
}
;
var document = _hash[name];
var result = Invoke.Safe(() => _factory.Write(document, text), LastError);
return(new Result {
State = State.Opened, Success = result
});
}
}
/// <summary>
/// Closing and deleting.
/// </summary>
public Result Delete(string name, string user)
{
var result = Close(name, user);
if (!result.Success)
{
return(result);
}
var deleted = true;
lock (_sync)
{
if (!_hash.ContainsKey(name))
{
return new Result {
State = State.Deleted, Success = false
}
}
;
if (IsOpened(name) && !IsOwner(name, user))
{
return new Result {
State = State.Opened, Success = false
}
}
;
if (_factory.SupportDelete())
{
deleted = Invoke.Safe(() => _factory.Delete(_hash[name]), LastError);
}
if (deleted)
{
_hash.Remove(name);
}
}
return(new Result {
State = deleted ? State.Deleted : State.Closed, Success = deleted
});
}
public Result Open(string name, string user)
{
lock (_sync)
{
if (!_hash.ContainsKey(name))
{
return new Result {
State = State.Deleted, Success = false
}
}
;
if (IsOpened(name) && !IsOwner(name, user))
{
return new Result {
State = State.Opened, Success = false
}
}
;
var document = _hash[name];
var text = Invoke.Safe(() => _factory.Read(document), LastError);
if (_lastResult.Success)
{
document.IsOpened = true;
document.Owner = user;
}
return
(_lastResult.Success
? new Result {
Success = true, Buffer = text, State = State.Opened
}
: new Result {
Success = false, Buffer = _lastResult.ToString()
});
}
}
