public PackagesForSelectedPageResult(IEnumerable<IPackage> packages, PackagesForSelectedPageQuery query)
{
this.Packages = packages;
this.TotalPackagesOnPage = packages.Count();
this.TotalPackages = query.TotalPackages;
this.AllPackages = query.AllPackages;
this.Query = query;
}
public PackagesForSelectedPageResult(IEnumerable <IPackage> packages, PackagesForSelectedPageQuery query)
{
this.Packages = packages;
this.TotalPackagesOnPage = packages.Count();
this.TotalPackages = query.TotalPackages;
this.AllPackages = query.AllPackages;
this.Query = query;
}
IEnumerable <IPackage> GetFilteredPackagesBeforePagingResults(PackagesForSelectedPageQuery query)
{
if (query.AllPackages == null)
{
IQueryable <IPackage> packages = GetPackagesFromPackageSource(query.SearchCriteria);
query.TotalPackages = packages.Count();
query.AllPackages = GetFilteredPackagesBeforePagingResults(packages, query.SearchCriteria);
}
return(query.AllPackages);
}
void CreateReadPackagesTask()
{
var query = new PackagesForSelectedPageQuery(this, allPackages, SearchTerms);
packagesForSelectedPageQuery = query;
task = taskFactory.CreateTask(
() => GetPackagesForSelectedPageResult(query),
OnPackagesReadForSelectedPage);
}
IEnumerable <IPackage> GetPackagesForSelectedPage(IEnumerable <IPackage> allPackages, PackagesForSelectedPageQuery query)
{
return(allPackages
.Skip(query.Skip)
.Take(query.Take));
}
IEnumerable <IPackage> GetPackagesForSelectedPage(PackagesForSelectedPageQuery query)
{
IEnumerable <IPackage> filteredPackages = GetFilteredPackagesBeforePagingResults(query);
return(GetPackagesForSelectedPage(filteredPackages, query));
}
PackagesForSelectedPageResult GetPackagesForSelectedPageResult(PackagesForSelectedPageQuery query)
{
IEnumerable <IPackage> packages = GetPackagesForSelectedPage(query);
return(new PackagesForSelectedPageResult(packages, query));
}
public void ReadPackages_BackgroundTaskHasExceptionWhenItFinishes_PackagesNotUpdated ()
{
CreateViewModel ();
viewModel.AddSixFakePackages ();
viewModel.ReadPackages ();
var query = new PackagesForSelectedPageQuery (viewModel, null, null);
taskFactory.FirstFakeTaskCreated.Result = new PackagesForSelectedPageResult (viewModel.FakePackages, query);
taskFactory.FirstFakeTaskCreated.IsFaulted = true;
CompleteReadPackagesTask ();
Assert.AreEqual (0, viewModel.PackageViewModels.Count);
}
