public static bool LoadClients()
{
try
{
ClientsList.Clear();
using (var sr = new StreamReader(FilePath))
{
var deSerializer = new XmlSerializer(typeof(ObservableCollection <Client>));
var tmpCollection =
(ObservableCollection <Client>)deSerializer.Deserialize(sr);
foreach (var item in tmpCollection)
{
ClientsList.Add(item);
}
return(true);
}
}
catch (Exception ex)
{
if (ex is FileNotFoundException)
{
var sw = new StreamWriter(FilePath);
}
MessageBox.Show(ex.Message);
return(false);
}
}
public void FindClientFunc(object obj)
{
try
{
if (_searchText != "")
{
string task;
if (radio2 == true)
{
task = $"findClientByProject#{_searchText}";
}
else
{
task = $"findClientByClient#{_searchText}";
}
client = new TcpClient();
client.Connect(ep);
NetworkStream ns = client.GetStream();
StreamWriter sw = new StreamWriter(ns);
sw.WriteLine(task);
sw.Flush();
byte[] data = new byte[50000];
int bytes = ns.Read(data, 0, data.Length);
ObservableCollection <ClassesLibaryBilling.Client> cl = new ObservableCollection <ClassesLibaryBilling.Client>();
cl = FromByteArray <ObservableCollection <ClassesLibaryBilling.Client> >(data);
ClientsList.Clear();
foreach (var item in cl)
{
ClientsList.Add(item);
}
sw.Close();
ns.Close();
client.Close();
}
else
{
MessageBox.Show("Введите текст для поиска");
}
}
catch (Exception error)
{
MessageBox.Show(error.Message);
}
}
public ClientsList GetClients()
{
ClientsList result = new ClientsList();
MySqlCommand cmd = new MySqlCommand("SELECT c_id,c_org,c_address FROM clients;", sql);
MySqlDataReader rd = cmd.ExecuteReader();
while (rd.Read())
{
result.Add(new Client(rd.GetInt32("c_id"), rd.GetString("c_org"), rd.GetString("c_address")));
}
rd.Close();
return(result);
}
public MainWindowViewModel()
{
ClientsList.Add(new Client {
Id = 1, LastName = "Иванов", Name = "Иван", Patronymic = "Иванович"
});
//Инициализация команда (задаем поведение при вызове команды)
//Можно задать с помощью анонимной функции
ClickCommand = ReactiveCommand.Create(() => { Data++; });
//А можно задать из метода
AddCommand = ReactiveCommand.Create(AddImp);
EditCommand = ReactiveCommand.Create(EditImp);
RemoveCommand = ReactiveCommand.Create(RemoveImp);
}
public override Task OnConnected()
{
Logger.Info($"Client {this.Context.ConnectionId} connected!");
tokenSource = new CancellationTokenSource();
cancellationToken = tokenSource.Token;
if (!ClientsList.Any())
{
ClientsList.Add(this.Context.ConnectionId);
Logger.Info($"Client first!");
First = true;
}
else
{
return(Task);
}
return(base.OnConnected());
}
public void LoadClients()
{
try
{
ClientsList.Clear();
string task = "loadClients";
client = new TcpClient();
client.Connect(ep);
NetworkStream ns = client.GetStream();
StreamWriter sw = new StreamWriter(ns);
sw.WriteLine(task);
sw.Flush();
byte[] data = new byte[50000];
int bytes = ns.Read(data, 0, data.Length);
ObservableCollection <ClassesLibaryBilling.Client> cl = new ObservableCollection <ClassesLibaryBilling.Client>();
cl = FromByteArray <ObservableCollection <ClassesLibaryBilling.Client> >(data);
foreach (var item in cl)
{
ClientsList.Add(item);
}
sw.Close();
ns.Close();
client.Close();
}
catch (Exception)
{
MessageBox.Show("Сервер выключен либо отсутствует соидинение с интеренетом");
}
}
/// <summary>
/// Реализация метода добавления сотрудника (тут мы работаем только со списоком, об вьюхе и списке на ней мы ничего не знаем)
/// </summary>
private void AddImp()
{
ClientsList.Add(new Client {
Id = 1, LastName = "Иванов", Name = "Иван", Patronymic = "Иванович"
});
}
public static void AddClient(Client newClient)
{
ClientsList.Add(newClient);
SaveClients();
SetNumberOfClients();
}
/// <summary>
/// Listen for new messages of individual clients
/// </summary>
/// <param name="client"></param>
protected void ListenClient(TCPServerClient client)
{
if (Logging)
{
Logger.Write("REGION", "Method [ListenClient]");
}
using (Stream ns = GetStream(client)) {
client.Stream = ns;
client.Writer = new TCPWriter(ns);
client.Reader = new TCPReader(ns);
if (Logging)
{
Logger.Write("INFO", "Created stream, writer and reader for client: " + client.UID);
}
lock (ClientsList) ClientsList.Add(client);
lock (ClientsDict) ClientsDict.Add(client.UID, client);
OnConnected?.Invoke(client);
if (RequireHandshake)
{
TCPMessage message = client.Reader.Read(client);
if (message.Code != TCPMessageCode.Init ||
message.Content.Length > 10)
{
RemoveClient(client, TCPDisconnectType.NoHandshake);
return;
}
if (Logging)
{
Logger.Write("SUCCESS", "Handshake: " + client.UID);
}
client.DoneHandshake = true;
client.Send(new TCPMessage()
{
Code = TCPMessageCode.Init,
Content = new byte[] { 0, 1, 0 }
});
}
while (Running && ClientsDict.ContainsKey(client.UID))
{
TCPMessage message = client.Reader.Read(client);
if (message == null)
{
RemoveClient(client, TCPDisconnectType.Timeout);
return;
}
if (Logging)
{
Logger.Write("INFO", "New message " + Enum.GetName(typeof(TCPMessageCode), message.Code) + " from user: " + client.UID);
}
if (message.Code == TCPMessageCode.Message)
{
OnMessage?.Invoke(client, message);
}
}
}
}
