private void toolStripDeleteProducts_Click(object sender, EventArgs e)
{
// background DELETING is locked for cancel and if during deleting user shift "ProgressBar" to another bg operation it is impossible to return to deleting progressbar.
// after finish DELETING BalloonTip will be displayed
try
{
DataGridViewRow selectedRow = dataGridView1.SelectedRows[0];
var selectedFeed = selectedRow.DataBoundItem as Feed;
var vendorId = selectedFeed.VendorId;
string keyDownload = "DELETE_" + selectedFeed.Name;
if (!bgw.Keys.Contains(keyDownload))
{
context = new SelectedHotelsEntities();
feed = context.Feeds.SingleOrDefault(f => f.Id == selectedFeed.Id);
bgProcesses.Add(keyDownload, feed);
workD = new BackGroundWorkerDelegateWork(DeleteProducts);
progressD = new BackGroundWorkerDelegateProgress(backgroundWorkerProgressChanged);
completeD = new BackGroundWorkerDelegateCompleted(backgroundWorkerRunWorkerCompleted);
bgw.Add(keyDownload, AddBackGroundWorker(workD, progressD, completeD));
bgProgress.Add(keyDownload, 0);
activeStep = "Deleting products...";
bgStep.Add(keyDownload, activeStep);
bgw[keyDownload].RunWorkerAsync(vendorId);
}
activeKey = keyDownload;
// display status
ShiftStatusStripToActiveBackgroudWorker(bgw.Count, activeKey, activeStep, bgw[activeKey].IsBusy, bgProgress[activeKey]);
}
catch (Exception exception)
{
activeStep = exception.Message;
}
}
// Create new BackgroundWorker
private BackgroundWorker AddBackGroundWorker(BackGroundWorkerDelegateWork bgwDoWork,
BackGroundWorkerDelegateProgress bgwProgressChanged,
BackGroundWorkerDelegateCompleted bgwRunWorkerCompleted)
{
BackgroundWorker backgroundWorker = new BackgroundWorker();
backgroundWorker.DoWork += new DoWorkEventHandler(bgwDoWork);
backgroundWorker.ProgressChanged += new ProgressChangedEventHandler(bgwProgressChanged);
backgroundWorker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(bgwRunWorkerCompleted);
backgroundWorker.WorkerReportsProgress = true;
backgroundWorker.WorkerSupportsCancellation = true;
return(backgroundWorker);
}
private void StartWorkerProcess(int?stepImport = null, int?stepAddToCategories = null, int?stepAddImages = null)
{
string keyDownload;
foreach (DataGridViewRow selectedRow in dataGridView1.SelectedRows)
{
var selectedFeed = selectedRow.DataBoundItem as Feed;
keyDownload = selectedFeed.Name;
if (!bgw.Keys.Contains(keyDownload))
{
context = new SelectedHotelsEntities();
feed = context.Feeds.SingleOrDefault(f => f.Id == selectedFeed.Id);
bgProcesses.Add(keyDownload, feed);
// set parameters for background process here if lists of parameters are the same for different rows in Feeds
// if it is necessary send different parameter`s list to background operation, assign parameters in block
// 'switch' as well as set 'BackGroundWorkerDelegateWork' for each row in Feeds
BackgroundWorkParameters bgParams = new BackgroundWorkParameters();
bgParams.Url = selectedFeed.URL;
if (!String.IsNullOrEmpty(selectedFeed.Category))
{
using (SelectedHotelsEntities db = new SelectedHotelsEntities())
{
var category = db.Categories.SingleOrDefault(c => c.Name == selectedFeed.Category);
if (category != null)
{
bgParams.CategoryId = category.Id;
}
else
{
category = new Category();
category.Name = selectedFeed.Category;
db.Categories.Add(category);
db.SaveChanges();
bgParams.CategoryId = category.Id;
}
}
}
bgParams.PortalId = selectedFeed.PortalId;
bgParams.VendorId = selectedFeed.VendorId;
bgParams.AdvancedCategoryRoot = selectedFeed.AdvancedCategoryRoot;
bgParams.CountryFilter = selectedFeed.CountryFilter;
bgParams.CityFilter = selectedFeed.CityFilter;
bgParams.StepImport = stepImport;
bgParams.StepAddToCategories = stepAddToCategories;
bgParams.StepAddImages = stepAddImages;
bgParams.FeedId = selectedFeed.Id;
switch (keyDownload)
{
case "Laterooms":
case "Laterooms (filtered)":
workD = ImportLaterooms.DoImport;
break;
case "Trade Doubler":
case "Home and garden":
case "Clothes":
workD = ImportTradeDoublerProducts.DoImport;
break;
case "Trade Doubler hotels.com EMEA2":
case "Trade Doubler hotels.com EMEA1":
case "Trade Doubler expedia":
case "Trade Doubler Hotels":
workD = ImportTradeDoublerHotels.DoImport;
break;
case "Productserve":
#if ImportProductserve
workD = ImportProductserve.DoImport;
#endif
break;
case "Webgains":
workD = ImportWebgainsProducts.DoImport;
break;
case "Excel":
workD = ImportExcelHotels.DoImport;
break;
}
progressD = backgroundWorkerProgressChanged;
completeD = backgroundWorkerRunWorkerCompleted;
bgw.Add(keyDownload, AddBackGroundWorker(workD, progressD, completeD));
bgProgress.Add(keyDownload, 0);
activeStep = "Start download";
bgStep.Add(keyDownload, activeStep);
bgw[keyDownload].RunWorkerAsync(bgParams); // selectedFeed.URL
}
activeKey = keyDownload;
// display status
ShiftStatusStripToActiveBackgroudWorker(bgw.Count, activeKey, activeStep, bgw[activeKey].IsBusy, bgProgress[activeKey]);
}
}