public async Task <IActionResult> New(int id, [Bind("id,itemName,alertType,lowStockThreshold")] StockAlert stockAlert)
{
if (id != stockAlert.id)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
// Create new alert
User user = HttpContext.Items["user"] as User;
var qStock = from s in _context.Stock
where s.itemName == stockAlert.itemName &&
s.userId == user.id
select s;
Stock stock = await qStock.SingleAsync();
stockAlert.stock = stock;
stockAlert.active = true;
stockAlert.user = user;
stockAlert.userId = user.id;
//Trigger alert if necessary
if (stockAlert.alertType == StockAlert.AlertType.outOfStock &&
stock.count == 0)
{
stockAlert.triggered = true;
}
else if (stockAlert.alertType == StockAlert.AlertType.lowStock &&
stock.count < stockAlert.lowStockThreshold)
{
stockAlert.triggered = true;
}
else
{
stockAlert.triggered = false;
}
_context.Add(stockAlert);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!StockAlertExists(stockAlert.id))
{
return(NotFound());
}
else
{
throw;
}
}
}
return(RedirectToAction(nameof(Index)));
}
public async Task <IActionResult> updateAlertStatus(int id, string status)
{
User user = HttpContext.Items["user"] as User;
bool success = false;
var qAlert = from a in _context.StockAlert
where a.id == id &&
a.userId == user.id
select a;
StockAlert alert = await qAlert.SingleAsync();
try
{
alert.active = (status == "On");
if (alert.active)
// If set to active, see if it should be triggered
{
// Get stock
var qStock = from s in _context.Stock
where s.id == alert.stockId &&
s.userId == user.id
select s;
Stock stock = await qStock.SingleAsync();
if (alert.alertType == StockAlert.AlertType.outOfStock &&
stock.count == 0)
{
alert.triggered = true;
}
else if (stock.count <= alert.lowStockThreshold)
{
alert.triggered = true;
}
}
else
// Make sure alert is no longer triggered if inactive
{
alert.triggered = false;
}
_context.SaveChanges();
success = true;
}
catch (DbUpdateConcurrencyException)
{
if (!StockAlertExists(alert.id))
{
return(NotFound());
}
else
{
throw;
}
}
return(Json(
new {
success = success,
}
));
}
public async Task <IActionResult> Edit(int id, int newType, int th)
{
// Get alert
User user = HttpContext.Items["user"] as User;
var qAlert = from a in _context.StockAlert
where a.id == id &&
a.userId == user.id
select a;
StockAlert alert = await qAlert.SingleAsync();
// Get stock to check for alert trigger condition
var qStock = from s in _context.Stock
where s.id == alert.stockId
select s;
Stock stock = await qStock.SingleAsync();
try
{
// Update alert
alert.alertType = (StockAlert.AlertType)newType;
alert.lowStockThreshold = th;
// See if alert should be triggered
if (alert.alertType == StockAlert.AlertType.outOfStock &&
stock.count == 0)
{
alert.triggered = true;
}
else if (alert.alertType == StockAlert.AlertType.lowStock &&
stock.count <= th)
{
alert.triggered = true;
}
else
{
alert.triggered = false;
}
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!StockAlertExists(alert.id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction("Index"));
}
public async Task <IActionResult> Edit(int id, string itemName)
{
if (ModelState.IsValid)
{
try
{
User user = HttpContext.Items["user"] as User;
var qOrder = from o in _context.Order
where o.userId == user.id &&
o.stockId == id
select o;
var qStock = from s in _context.Stock
where s.userId == user.id &&
s.id == id
select s;
var qAlert = from a in _context.StockAlert
where a.userId == user.id &&
a.stockId == id
select a;
IEnumerable <Order> orders = await qOrder.ToListAsync();
Stock stock = await qStock.SingleAsync();
stock.itemName = itemName;
StockAlert alert = await qAlert.SingleAsync();
alert.itemName = itemName;
foreach (var o in orders)
{
o.itemName = stock.itemName;
}
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!StockExists(id))
{
Console.WriteLine("foo");
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
return(RedirectToAction("Index"));
}
private async Task CreateStockAlertAsync(Stock stock, string alertType, string priority)
{
StockAlert prevStockAlert = _context.StockAlerts.Where(sa => sa.StockID == stock.StockID).Where(sa => sa.AlertType == alertType).FirstOrDefault();
if (prevStockAlert == null)
{
StockAlert stockAlert = new StockAlert
{
StockID = stock.StockID,
Stock = stock,
AlertType = alertType,
Priority = priority,
CreatedDate = DateTime.Now,
Status = "NEW"
};
_context.StockAlerts.Add(stockAlert);
await _context.SaveChangesAsync();
}
}
public void GenerateAlert()
{
if (busy) return;
busy = true;
alertDefs.Clear();
alertDefs.Add(cciEx);
alertDefs.Add(barAbove);
alertDefs.Add(barBelow);
alertDefs.Add(trailHL);
alertDefs.Add(ResistanceBroken);
alertDefs.Add(trailHLSR);
try
{
var stockList = this.WatchLists.Find(wl => wl.Name == "Alert").StockList;
if (AlertDetectionStarted != null)
{
if (this.InvokeRequired)
{
this.Invoke(this.AlertDetectionStarted, stockList.Count);
}
else
{
this.AlertDetectionStarted(stockList.Count);
}
}
StockAlertLog stockAlertLog = StockAlertLog.Instance;
DateTime lookBackDate = DateTime.Today.AddDays(-7);
foreach (string stockName in stockList)
{
if (AlertDetectionProgress != null)
{
if (this.InvokeRequired)
{
this.Invoke(this.AlertDetectionProgress, stockName);
}
else
{
this.AlertDetectionProgress(stockName);
}
}
if (!this.StockDictionary.ContainsKey(stockName)) continue;
StockSerie stockSerie = this.StockDictionary[stockName];
StockDataProviderBase.DownloadSerieData(Settings.Default.RootFolder, stockSerie);
if (!stockSerie.Initialise()) continue;
StockSerie.StockBarDuration previouBarDuration = stockSerie.BarDuration;
lock (alertDefs)
{
foreach (StockAlertDef alertDef in alertDefs)
{
stockSerie.BarDuration = alertDef.BarDuration;
var values = stockSerie.GetValues(alertDef.BarDuration);
for (int i = values.Count - 2; i > 0 && values[i].DATE > lookBackDate; i--)
{
var dailyValue = values.ElementAt(i);
if (stockSerie.MatchEvent(alertDef, i))
{
StockAlert stockAlert = new StockAlert(alertDef,
dailyValue.DATE,
stockSerie.StockName,
dailyValue.CLOSE,
stockSerie.GetValues(StockSerie.StockBarDuration.Daily).Last().CLOSE);
if (!stockAlertLog.Alerts.Any(a => a == stockAlert))
{
if (this.InvokeRequired)
{
this.Invoke(new Action(() => stockAlertLog.Alerts.Insert(0, stockAlert)));
}
else
{
stockAlertLog.Alerts.Insert(0, stockAlert);
}
}
}
}
}
}
stockSerie.BarDuration = previouBarDuration;
}
stockAlertLog.Save();
if (this.AlertDetected != null)
{
this.Invoke(this.AlertDetected);
}
StockSplashScreen.CloseForm(true);
}
finally
{
busy = false;
}
}
