public async Task LogoutEmployee(string userName)
{
Employee employee = await _usersContext.Employees.Where(e => e.Username == userName).SingleAsync();
EmployeeConnectionUpdate update = new EmployeeConnectionUpdate
{
LoginStatus = LoginStatus.LogOut,
ServiceType = employee.Role,
StationNumber = employee.StationId.Value
};
Task updateQueueApiTask = _queueApiService.UpdateOnUserLogin(update);
employee.Online = false;
employee.StationId = null;
Task <int> saveChangesTask = _usersContext.SaveChangesAsync();
await Task.WhenAll(saveChangesTask, updateQueueApiTask);
}
public async Task <(bool isLoginSuccessful, EmployeeInfo employeeInfo)> TryLoginEmployee(EmployeeLogin employeeLogin)
{
Employee employee = await _usersContext.Employees.Where(e => e.Username == employeeLogin.Username).SingleAsync();
EmployeeInfo employeeInfo = null;
if (employee.Role != employeeLogin.ServiceType)
{
throw new InvalidOperationException("Received employee service type does not match his service type in DB.");
}
if (employee.Password != employeeLogin.Password || employee.Online)
{
return(false, employeeInfo);
}
Employee employeeInRequestedStation =
await _usersContext.Employees.Where(e => e.StationId == employeeLogin.StationNumber).SingleOrDefaultAsync();
if (employeeInRequestedStation != null)
{
return(false, employeeInfo);
}
employee.Online = true;
employee.StationId = employeeLogin.StationNumber;
Task <int> saveChangesTask = _usersContext.SaveChangesAsync();
EmployeeConnectionUpdate update = new EmployeeConnectionUpdate
{
LoginStatus = LoginStatus.LogIn,
StationNumber = employee.StationId.Value,
ServiceType = employee.Role
};
Task updateQueueApiTask = _queueApiService.UpdateOnUserLogin(update);
employeeInfo = new EmployeeInfo
{
EmployeeId = employee.EmployeeId,
Firstname = employee.Firstname,
Lastname = employee.Lastname
};
await Task.WhenAll(saveChangesTask, updateQueueApiTask);
return(true, employeeInfo);
}
public async Task <IActionResult> UpdateStationState([FromBody] EmployeeConnectionUpdate update)
{
if (update.Equals(default(EmployeeConnectionUpdate)) || update.ServiceType == ServiceType.none)
{
return(new BadRequestObjectResult("ServiceType is none"));
}
IQueueNotificationsHub group = _hubContext.Clients.Groups(update.ServiceType.ToString());
if (group == null)
{
return(new BadRequestObjectResult($"group for {update.ServiceType.ToString()} not found"));
}
if (update.LoginStatus == LoginStatus.None)
{
return(new BadRequestObjectResult("LoginStatus is none"));
}
try
{
switch (update.LoginStatus)
{
case LoginStatus.LogIn:
await group.AddStation(update.StationNumber);
break;
case LoginStatus.LogOut:
await group.RemoveStation(update.StationNumber);
break;
}
}
catch (Exception)
{
}
return(new OkResult());
}
public override Task UpdateOnUserLogin(EmployeeConnectionUpdate employeeConnectionUpdate)
{
return(Task.CompletedTask);
}
public virtual async Task UpdateOnUserLogin(EmployeeConnectionUpdate employeeConnectionUpdate)
{
HttpResponseMessage result = await HttpClient.PutAsJsonAsync(QueueControllerName, employeeConnectionUpdate);
result.EnsureSuccessStatusCode();
}
