protected void Application_Error(object sender, EventArgs e)
{
var exception = Server.GetLastError();
if (exception == null)
{
return;
}
var errorLogger = new ErrorLoggerService(HttpContext.Current.User);
errorLogger.InsertError(exception);
// Clear the error
Server.ClearError();
var errorInformation = new ErrorInformation
{
Message = "We apologize but an unexpected error occured.",
ErrorDate = DateTime.UtcNow
};
Response.ClearHeaders();
Response.ClearContent();
Response.Status = "500 Internal Server Error";
Response.StatusCode = 500;
Response.Write(JsonConvert.SerializeObject(errorInformation));
Response.Flush();
}
protected override async Task ExecuteAsync(CancellationToken cancellationToken)
{
using (var scope = scopeFactory.CreateScope())
{
try
{
var dbContext = scope.ServiceProvider.GetRequiredService <ApplicationDbContext>();
string connString = dbContext.Database.GetDbConnection().ConnectionString;
var userRepo = new UserActivityRepository(connString);
var errorRepo = new ErrorRepository(connString);
var errorLogger = new ErrorLoggerService(errorRepo);
var userActivityLogger = new UserActivityLogService(
userRepo,
errorLogger);
while (!cancellationToken.IsCancellationRequested)
{
if (await this._errorLogItems.QueueIsEmpty(cancellationToken) &&
await this._userActivityLogItems.QueueIsEmpty(cancellationToken))
{
await Task.Delay(TimeSpan.FromSeconds(10), cancellationToken);
}
else
{
if (await this._userActivityLogItems.QueueIsEmpty(cancellationToken) == false)
{
var item = await this._userActivityLogItems.DequeueAsync(cancellationToken);
await userActivityLogger.LogThisActivity((UserActivityLogItem)item);
}
if (await this._errorLogItems.QueueIsEmpty(cancellationToken) == false)
{
var item = await this._errorLogItems.DequeueAsync(cancellationToken);
errorLogger.LogError((ErrorLogItem)item);
}
}
}
}
catch (Exception e)
{
StopAsync(cancellationToken);
}
}
}