private void ShowDataOnHand(bool forceLocal)
{
if (!forceLocal)
{
//decide whether to use local inahlt file or download a fresh one from the internet
var whichSource = groupBoxSource.Controls.OfType <RadioButton>().FirstOrDefault(n => n.Checked);
if (whichSource.Text.Equals("internet") && (textBoxUsername.Text.Length == 0 || textBoxPassword.Text.Length == 0))
{
MessageBox.Show("Please enter both username and password.", "Credentials Needed");
return;
}
listBoxInhalt.DataSource = GetDaysListingPerSource().Where((entry) => WithinDateRange(entry)).ToList();
}
else
{
//use local inhalt file otherwise
listBoxInhalt.DataSource = LocalStore.GetDataDaysListing().Where((entry) => WithinDateRange(entry)).ToList();
}
var numFilesTicked = LocalStore.TickOffListboxFileItems("listBoxInhalt", Helper.UserSettings().ExtraFolder);
Helper.ListBoxClearAndScrollToBottom(listBoxInhalt);
buttonDayDataDownload.Enabled = listBoxInhalt.Items.Count > 0;
labelDatafilesCount.Text = $"{numFilesTicked} files local";
}
//initialize the app
private void InitializeShareViewer()
{
daysBack.Maximum = 300; // represents trading days!!
daysBack.Minimum = 0;
daysBack.Value = 100; // represents trading days!! Change event wont fire at this stage (which is good)
//don't allow future dates
calendarFrom.MaxDate = DateTime.Today;
calendarFrom.MinDate = DateTime.Today.AddDays(-Helper.ActualDaysBackToEncompassTradingDays(DateTime.Today, 300));
Helper.Log("Debug", $"calendarFrom MinDate= {calendarFrom.MinDate.ToShortDateString()}");
calendarTo.MaxDate = DateTime.Today;
//set From date initially to sync with numericUpDown TradingDays
calendarFrom.SetDate(DateTime.Today.AddDays(-Helper.ActualDaysBackToEncompassTradingDays(DateTime.Today, 100)));
calendarTo.SetDate(DateTime.Today);
labelBackFrom.Text = "ending Today";
//load ShareList
listBoxShareList.DataSource = LocalStore.ReadShareList();
labelNumShares.Text = $"{listBoxShareList.Items.Count} shares";
//possibly enable the New AllTables button
//buttonNewAllTables.Enabled = listBoxShareList.Items.Count > 0;
//buttonAddToAllTables.Enabled = listBoxShareList.Items.Count > 0; ;
//
labelDatafilesCount.Text = "";
}
private void AllTableRepairForm_Load(object sender, EventArgs e)
{
listBoxRepairShares.DataSource = LocalStore.ShareListByName();
listBoxRepairShares.ClearSelected();
}
internal static void DownloadFromStack(ConcurrentStack <String> cs, String userName, String passWord)
{
var appUserSettings = Helper.UserSettings();
var url = appUserSettings.SharesUrl; //eg = "http://www.bsb-software.de/rese/";
string item;
if (cs.Count > 0 && cs.TryPop(out item))
{
//NOTE, there may be a leading 'tick' at the beginning of item
//make sure to not let it mess up the file name!
Match m = Regex.Match(item, @"(\d{4}_\d{2}_\d{2}.TXT) (\d+) ");
if (m.Success)
{
string targetFile = m.Groups[1].Value;
Int64 targetFileReportedSize = Convert.ToInt64(m.Groups[2].Value);
var webResource = url + $"/{targetFile}";
var webClient = new WebClient();
webClient.Credentials = new NetworkCredential(userName, passWord);
var localFilename = appUserSettings.ExtraFolder + @"\" + targetFile;
var fileInfo = new FileInfo(localFilename);
if (!File.Exists(localFilename) || (fileInfo.Length < targetFileReportedSize))
{
try
{
var downloadTask = webClient.DownloadFileTaskAsync(webResource, localFilename);
var awaiter = downloadTask.GetAwaiter();
awaiter.OnCompleted(() =>
{
Helper.Log("Info", $"{targetFile} downloaded.");
Helper.DecrementProgressCountdown("progressBarDownload", "labelBusyDownload");
var totalFiles = 0;
if (Helper.MarkListboxItem("listBoxInhalt", item, out totalFiles) == 0)
{
Helper.Status($"Done. {totalFiles} files downloaded.");
}
//go get another (even if stack is empty, since we want to exit down below)
DownloadFromStack(cs, userName, passWord);
});
}
catch (Exception e)
{
Helper.LogStatus("Error", $"Exception: {e.Message}");
Helper.Log("Error", "Download terminated early.");
cs.Clear();
MessageBox.Show(e.Message, "An error ocurred - download will end early.", MessageBoxButtons.OK);
cs.Clear();
}
}
else
{
Helper.Log("Warn", $"{targetFile} exists, skipping file.");
Helper.DecrementProgressCountdown("progressBarDownload", "labelBusyDownload");
var totalFiles = 0;
Helper.MarkListboxItem("listBoxInhalt", item, out totalFiles);
//go get another (even if stack is empty, since we want to exit down below)
DownloadFromStack(cs, userName, passWord);
}
}
else
{
Helper.LogStatus("Warn", $"skipping malformed entry {item}");
Helper.DecrementProgressCountdown("progressBarDownload", "labelBusyDownload");
//go get another (even if stack is empty, since we want to exit down below)
DownloadFromStack(cs, userName, passWord);
}
}
else
{
if (cs.Count == 0)
{
//exit route... for each concurrent task
Helper.Log("Info", $"Exiting DownloadFromStack. NumDownloadTasksActive={NumDownloadTasksActive}");
NumDownloadTasksActive--;
if (NumDownloadTasksActive == 0)
{
LocalStore.TickOffListboxFileItems("listBoxInhalt", appUserSettings.ExtraFolder);
Helper.HoldWhileDownloadingDayData(false);
}
}
}
}
private bool BleatForSpan()
{
//firstly, daysBack span MUST BE 100 days
//if (daysBack.Value > 100)
//{
// MessageBox.Show("The trading days span MAY NOT be set to more 100 days for this operation", "Add new Data",MessageBoxButtons.OK,MessageBoxIcon.Warning);
// return true;
//}
if (daysBack.Value != 100)
{
MessageBox.Show("The trading days span MUST = 100 days for this operation", "Add new Data", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(true);
}
var wantedStartDate = Helper.GetCompressedDate(calendarFrom.SelectionStart);
var wantedEndDate = Helper.GetCompressedDate(calendarTo.SelectionStart);
var onhandShareSummary = LocalStore.GetAllTableSummaryForShare(2);
var firstDayOnHand = onhandShareSummary.FirstDay;
var lastDayOnHand = onhandShareSummary.LastDay;
if (String.Compare(wantedStartDate, firstDayOnHand, true) < 0)
{
var msg = $"The requested date span ({wantedStartDate} - {wantedEndDate}) starts at an EARLIER date than that which is currently held in the All-Tables.\n\n" +
$"Either create a NEW 100 day set of All-Tables (with required date span) or set the start date later than '{wantedStartDate}'";
MessageBox.Show(msg, "Overlay not allowed", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(true);
}
else
{
//OK. The requested date span starts late enough.
//Does it end too early?
if (String.Compare(wantedEndDate, lastDayOnHand) < 0)
{
//yes
var msg = $"The requested date span ({wantedStartDate} - {wantedEndDate}) ends at an EARLIER date than that which is currently held in the All-Tables ({lastDayOnHand}).\n\n" +
$"This will mean already processed days will have to be re processed again later.";
MessageBox.Show(msg, "All-Tables data overlay Protection", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(true);
}
else
{
if (String.Compare(wantedEndDate, lastDayOnHand) == 0)
{
var msg = $"We already have data in the All-Tables up until {wantedEndDate} !";
MessageBox.Show(msg, "All-Tables data overlay Protection", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(true);
}
else
{
//finally, we can tell user how many new days data he is trying to add
var lastDayOnHandDT = Helper.ConvertCompressedDateToDateTime(lastDayOnHand);
int addDays = (calendarTo.SelectionStart - lastDayOnHandDT).Days;
var msg = $"Add new trading data for the {addDays} calendar day(s) beyond last data on hand ({lastDayOnHand})?\n(Takes some time)";
if (MessageBox.Show(msg, "Add New Data to All-Tables", MessageBoxButtons.OKCancel, MessageBoxIcon.Question, MessageBoxDefaultButton.Button1) == DialogResult.OK)
{
return(false); // user can proceed to next check
}
return(true); // user cancelled, so dont proceed
}
}
}
}