private async Task <string> getSavedAddress(GPSUser user, string name)
{
var names = db.GetUserLocations(user.Username);
if (names != null)
{
int i = 0;
foreach (var n in names)
{
if (names[i] == name)
{
break;
}
i++;
}
string osmID = db.GetAddress(user.Username, names[i]);
string address = await GetRequest.GetFromURLAsync(String.Format("https://nominatim.openstreetmap.org/lookup?osm_ids={0}&format=json", osmID));
return(address);
}
else
{
return(null);
}
}
public async Task RunServer()
{
Listener.Start();
while (true)
{
_ = await Listener.AcceptTcpClientAsync().ContinueWith(async(t) =>
{
byte[] buffer = new byte[1024];
GPSUser user = new GPSUser(t.Result);
while (true)
{
string input = await getUserInput(user.client, buffer);
Array.Clear(buffer, 0, buffer.Length);
//Console.WriteLine($"CLIENT: {input}");
_ = Task.Run(async() =>
{
string response = "";
try
{
response = await processCommand(user, input);
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
//.WriteLine($"SERVER: {response}");
await Send(user.client, response);
});
}
});
}
}
private async Task <string> processCommand(GPSUser user, string fullMessage)
{
string[] arguments = fullMessage.Split(" ");
string command = arguments[0];
if (command == "LOGIN")
{
if (user.LoggedIn || arguments.Length != 3)
{
#if DEBUG
Console.WriteLine("PAKIET: " + fullMessage);
#endif
return("FAIL");
}
string arg1 = arguments[1].Trim();
string arg2 = arguments[2].Trim();
string username = await login(arg1, arg2);
if (username != null)
{
//login succesful
user.Username = username;
user.LoggedIn = true;
return("SUCCESS");
}
else
{
#if DEBUG
Console.WriteLine("PAKIET: " + fullMessage);
#endif
return("FAIL");
}
}
else if (command == "LOGOUT")
{
if (!user.LoggedIn)
{
#if DEBUG
Console.WriteLine("PAKIET: " + fullMessage);
#endif
return("FAIL");
}
user.LoggedIn = false;
user.Username = null;
return("SUCCESS");
}
else if (command == "CREATEACCOUNT")
{
if (user.LoggedIn || arguments.Length != 3)
{
#if DEBUG
Console.WriteLine("PAKIET: " + fullMessage);
#endif
return("FAIL");
}
if (await createAccount(arguments[1], arguments[2]))
{
return("ACCOUNTCREATED");
}
else
{
#if DEBUG
Console.WriteLine("PAKIET: " + fullMessage);
#endif
return("FAIL");
}
}
else if (command == "CHANGEPASSWORD")
{
if (!user.LoggedIn || arguments.Length != 3)
{
return("FAIL");
}
if (db.ChangePassword(user.Username, arguments[1], arguments[2]))
{
return("SUCCESS");
}
else
{
#if DEBUG
Console.WriteLine("PAKIET: " + fullMessage);
#endif
return("FAIL");
}
}
else if (command == "GETADDRESS")
{
if (!user.LoggedIn)
{
return("FAIL");
}
//assuming that client replaced spaces with +
Address[] address = await getAddresses(arguments[1]);
if (address != null)
{
return(JsonSerializer.Serialize <Address[]>(address));
}
else
{
#if DEBUG
Console.WriteLine("PAKIET: " + fullMessage);
#endif
return("FAIL");
}
}
else if (command == "GETROUTE")
{
if (!user.LoggedIn)
{
return("FAIL");
}
RouteModel instructions = await getRoute(arguments[1], arguments[2], arguments[3], arguments[4]);
if (instructions != null)
{
return(JsonSerializer.Serialize(instructions));
}
else
{
#if DEBUG
Console.WriteLine("PAKIET: " + fullMessage);
#endif
return("FAIL");
}
}
else if (command == "LISTSAVEDADDRESSES")
{
if (!user.LoggedIn)
{
return("FAIL");
}
string result = await listSavedAddressess(user.Username);
if (result != null)
{
return(result);
}
else
{
#if DEBUG
Console.WriteLine("PAKIET: " + fullMessage);
#endif
return("FAIL");
}
}
else if (command == "GETSAVEDADDRESS")
{
if (!user.LoggedIn)
{
return("FAIL");
}
return(await getSavedAddress(user, arguments[1]));
}
else if (command == "EDITADDRESS")
{
if (!user.LoggedIn)
{
#if DEBUG
Console.WriteLine("PAKIET: " + fullMessage);
#endif
return("FAIL");
}
if (arguments.Length == 3)
{
if (await editAddress(user.Username, arguments[1], arguments[2]))
{
return("SUCCESS");
}
}
else if (arguments.Length == 5)
{
if (await editAddress(user.Username, arguments[1], arguments[2], arguments[3], arguments[4]))
{
return("SUCCESS");
}
}
else
{
#if DEBUG
Console.WriteLine("PAKIET: " + fullMessage);
#endif
return("FAIL");
}
}
else if (command == "ADDADDRESS")
{
if (!user.LoggedIn || arguments.Length != 4)
{
#if DEBUG
Console.WriteLine("PAKIET: " + fullMessage);
#endif
return("FAIL");
}
if (db.AddLocation(user.Username, arguments[1], arguments[2], arguments[3]))
{
return("SUCCESS");
}
else
{
#if DEBUG
Console.WriteLine("PAKIET: " + fullMessage);
#endif
return("FAIL");
}
}
else if (command == "DELETEADDRESS")
{
if (!user.LoggedIn || arguments.Length != 2)
{
#if DEBUG
Console.WriteLine("PAKIET: " + fullMessage);
#endif
return("FAIL");
}
if (db.DeleteLocation(user.Username, arguments[1]))
{
return("SUCCESS");
}
else
{
#if DEBUG
Console.WriteLine("PAKIET: " + fullMessage);
#endif
return("FAIL");
}
}
else if (command == "DESCRIBEADDRESS")
{
if (!user.LoggedIn || arguments.Length != 3)
{
#if DEBUG
Console.WriteLine("PAKIET: " + fullMessage);
#endif
return("FAIL");
}
return(await getAddressInfo(arguments[1], arguments[2]));
}
return("UNKNOWNCOMMAND");
}
public GPSUser RegisterUser(GPSUser user)
{
throw new NotImplementedException();
}
/// <summary>
/// Create a new GPSUser object.
/// </summary>
/// <param name="userLoginID">Initial value of UserLoginID.</param>
/// <param name="roleID">Initial value of RoleID.</param>
public static GPSUser CreateGPSUser(string userLoginID, int roleID)
{
GPSUser gPSUser = new GPSUser();
gPSUser.UserLoginID = userLoginID;
gPSUser.RoleID = roleID;
return gPSUser;
}
/// <summary>
/// There are no comments for GPSUser in the schema.
/// </summary>
public void AddToGPSUser(GPSUser gPSUser)
{
base.AddObject("GPSUser", gPSUser);
}
