/// <summary>
/// Attempts to register the user
/// </summary>
/// <param name="parameter">The SecureString passed in from the view for the users password</param>
/// <returns></returns>
public async void Register(PasswordBox parameter, PasswordBox repeat)
{
if (this.CanRegister != true || parameter.Password != repeat.Password || parameter.Password.Length <= 7 || !parameter.Password.Any(char.IsDigit))
{
((ShellViewModel)IoC.Get <IShell>()).ShowInformation("Please validate your password correctly.");
return;
}
CommandHelper ch = new CommandHelper();
await ch.RunCommand(() => IsRegisterRunning, async() =>
{
await Task.Delay(2000);
try
{
using (var db = new ApirsDatabase())
{
var paramLoginName = new SqlParameter
{
ParameterName = "pLogin",
Value = UserName,
Direction = ParameterDirection.Input
};
var paramPass = new SqlParameter
{
ParameterName = "pPassword",
Value = parameter.Password,
Direction = ParameterDirection.Input
};
var paramMail = new SqlParameter
{
ParameterName = "pMail",
Value = Email,
Direction = ParameterDirection.Input
};
var paramResponse = new SqlParameter
{
ParameterName = "responseMessage",
Size = 250,
SqlDbType = SqlDbType.NVarChar,
Direction = ParameterDirection.Output
};
string par = db.Database.SqlQuery <string>("exec dbo.spAddUser @pLogin, @pPassword, @pMail, @responseMessage", paramLoginName, paramPass, paramMail, paramResponse).First();
//Forward the user to the home view or denying the login based on the response of the server
switch (par)
{
case "Message":
((ShellViewModel)IoC.Get <IShell>()).ShowInformation(par + ". Please try it again.");
return;
case "Success":
var paramLoginName1 = new SqlParameter
{
ParameterName = "pLogin",
Value = Email,
Direction = ParameterDirection.Input
};
var paramFirstName = new SqlParameter
{
ParameterName = "pFirstName",
Value = FirstName,
Direction = ParameterDirection.Input
};
var paramLastName = new SqlParameter
{
ParameterName = "pLastName",
Value = LastName,
Direction = ParameterDirection.Input
};
var paramAffiliation = new SqlParameter
{
ParameterName = "pAffiliation",
Value = Affiliation,
Direction = ParameterDirection.Input
};
var paramStatus = new SqlParameter
{
ParameterName = "pStatus",
SqlDbType = SqlDbType.Int,
Value = 3,
Direction = ParameterDirection.Input
};
var paramResponse1 = new SqlParameter
{
ParameterName = "responseMessage",
Size = 250,
SqlDbType = SqlDbType.NVarChar,
Direction = ParameterDirection.Output
};
string par1 = db.Database.SqlQuery <string>("exec dbo.spAddPerson @pFirstName, @pLastName, @pAffiliation, @pStatus, @pLogin, @responseMessage", paramFirstName, paramLastName, paramAffiliation, paramStatus, paramLoginName1, paramResponse1).First();
string param = par1.ToString();
switch (par1)
{
case "Success":
((ShellViewModel)IoC.Get <IShell>()).ShowInformation("You successfully created a profile for GeoReVi. You can login now with your user name and password.");
UserName = "";
Affiliation = "";
LastName = "";
FirstName = "";
Email = "";
_events.PublishOnUIThreadAsync(new ChangeViewModelMessage("LoginView"));
break;
case "Message":
default:
var paramLoginName2 = new SqlParameter
{
ParameterName = "pLogin",
Value = Email,
Direction = ParameterDirection.Input
};
var paramResponse2 = new SqlParameter
{
ParameterName = "responseMessage",
Size = 250,
SqlDbType = SqlDbType.NVarChar,
Direction = ParameterDirection.Output
};
//Triggering the delete user sp
string par2 = db.Database.SqlQuery <string>("exec dbo.spDeleteUser @pLogin, @responseMessage", paramLoginName2, paramResponse2).First();
((ShellViewModel)IoC.Get <IShell>()).ShowInformation("Please try it again.");
break;
}
break;
default:
return;
}
////Stored procedures
//SqlCommand spAddUser = new SqlCommand("dbo.spAddUser", SqlConn);
//SqlCommand spAddPerson = new SqlCommand("dbo.spAddPerson", SqlConn);
////Testing if a connection is established
//if (ServerInteractionHelper.IsNetworkAvailable() && ServerInteractionHelper.TryAccessDatabase())
//{
// //Preparing the stored procedures
// spAddUser.CommandType = System.Data.CommandType.StoredProcedure;
// spAddPerson.CommandType = System.Data.CommandType.StoredProcedure;
// //Adding the parameters
// spAddUser.Parameters.Add("@pLogin", SqlDbType.NVarChar, 50);
// spAddUser.Parameters.Add("@pPassword", SqlDbType.NVarChar, 50);
// spAddUser.Parameters.Add("@pMail", SqlDbType.NVarChar, 255);
// spAddUser.Parameters.Add("@responseMessage", SqlDbType.NVarChar, 255).Direction = ParameterDirection.Output;
// spAddUser.Parameters["@pLogin"].Value = this.UserName;
// spAddUser.Parameters["@pMail"].Value = this.Email;
// spAddUser.Parameters["@pPassword"].Value = parameter.Password;
//}
//else
//{
// return;
//}
}
}
catch (NullReferenceException ne)
{
Console.WriteLine(ne.Message);
}
catch (Exception e)
{
((ShellViewModel)IoC.Get <IShell>()).ShowInformation(e.Message);
}
});
}
/// <summary>
/// Attempts to register the user
/// </summary>
/// <param name="parameter">The SecureString passed in from the view for the users password</param>
/// <returns></returns>
public async void Delete()
{
if (SelectedPerson.persIdPk == 0)
{
((ShellViewModel)IoC.Get <IShell>()).ShowInformation("You have to be logged in.");
}
// If existing window is visible, delete the customer and all their orders.
// In a real application, you should add warnings and allow the user to cancel the operation.
if (((ShellViewModel)IoC.Get <IShell>()).ShowQuestion("Are you REALLY sure to delete your user profile?" + Environment.NewLine
+ "You won't be able to reconstruct your created projects, rock samples and measurements." + Environment.NewLine
+ "Please be sure, that you have exported all relevant data.") == MessageBoxViewResult.No)
{
return;
}
CommandHelper ch = new CommandHelper();
await ch.RunCommand(() => IsUpdateRunning, async() =>
{
await Task.Delay(2000);
try
{
//Establishing a sql connection
using (SqlConnection SqlConn = new SqlConnection(this.apirsDatabase.Database.Connection.ConnectionString.ToString()))
{
//Testing if a connection is established
if (ServerInteractionHelper.IsNetworkAvailable() && ServerInteractionHelper.TryAccessDatabase())
{
//Triggering the delete user sp
SqlCommand spDeleteUser = new SqlCommand("dbo.spDeleteUser", SqlConn);
spDeleteUser.CommandType = CommandType.StoredProcedure;
//Adding the parameters
spDeleteUser.Parameters.Add("@pLogin", SqlDbType.NVarChar, 50);
spDeleteUser.Parameters["@pLogin"].Value = SelectedPerson.persUserName;
spDeleteUser.Parameters.Add("@responseMessage", SqlDbType.NVarChar, 250).Direction = ParameterDirection.Output;
//Executing the stored procedure
SqlConn.Open();
spDeleteUser.ExecuteNonQuery();
var par = Convert.ToString(spDeleteUser.Parameters["@responseMessage"].Value);
SqlConn.Close();
switch (par)
{
case "1":
((ShellViewModel)IoC.Get <IShell>()).ShowInformation("You successfully deleted your profile.");
_events.PublishOnUIThreadAsync(new ChangeUserMessage(0, "Logged out"));
_events.PublishOnUIThreadAsync(new ChangeViewModelMessage("LoginView"));
break;
default:
((ShellViewModel)IoC.Get <IShell>()).ShowInformation("An unexpected error occured.");
break;
}
}
else
{
return;
}
}
}
catch (NullReferenceException ne)
{
Console.WriteLine(ne.Message);
}
catch (Exception e)
{
((ShellViewModel)IoC.Get <IShell>()).ShowInformation(e.Message);
}
});
}
/// <summary>
/// Attempts to log the user in
/// </summary>
/// <param name="parameter">The SecureString passed in from the view for the users password</param>
/// <returns></returns>
public async void Login(PasswordBox parameter)
{
CommandHelper ch = new CommandHelper();
await ch.RunBackgroundWorkerWithFlagHelperAsync(() => IsLoginRunning, async() =>
{
try
{
//var pwBox = (PasswordBox)parameter;
string username = this.Email ?? "";
using (var db = new ApirsDatabase())
{
var paramLoginName = new SqlParameter
{
ParameterName = "pLoginName",
Value = username,
Direction = ParameterDirection.Input
};
var paramPass = new SqlParameter
{
ParameterName = "pPassword",
Value = parameter.Password,
Direction = ParameterDirection.Input
};
var paramResponse = new SqlParameter
{
ParameterName = "responseMessage",
Size = 250,
SqlDbType = SqlDbType.NVarChar,
Direction = ParameterDirection.Output
};
string par = db.Database.SqlQuery <string>("exec dbo.spUserLogin @pLoginName, @pPassword, @responseMessage", paramLoginName, paramPass, paramResponse).First();
//Forward the user to the home view or denying the login based on the response of the server
switch (par)
{
case "Invalid login":
case "Incorrect password":
_events.PublishOnUIThreadAsync(new MessageBoxMessage("Wrong password. Please try it again", "", MessageBoxViewType.Information, MessageBoxViewButton.Ok));
break;
case "User successfully logged in":
//Get the actual user id and set it as a property in the shellview
tblPerson result = (from p in db.tblPersons
where p.persUserName == username.ToString()
select p).First();
_events.PublishOnUIThreadAsync(new ChangeUserMessage(Convert.ToInt32(result.persIdPk), result.persFullName));
//Changing the viewmodel to the homeview
_events.PublishOnUIThreadAsync(new ChangeViewModelMessage("HomeView"));
break;
default:
break;
}
}
return;
}
catch (Exception e)
{
_events.PublishOnUIThreadAsync(new MessageBoxMessage(UserMessageValueConverter.ConvertBack(1), "", MessageBoxViewType.Error, MessageBoxViewButton.Ok));
}
});
}
