//=====================================================================
/// <summary>
/// Search for packages as needed
/// </summary>
private async void SearchForPackages()
{
try
{
lblAction.Text = "Searching...";
grdAction.Visibility = Visibility.Visible;
svDetails.IsEnabled = false;
isSearching = true;
var packagesFound = await Task.Run(() =>
{
var packages = new List <NuGetPackage>();
// If limiting results to installed packages, make sure they are all there
if (installedOnly && startNewSearch)
{
foreach (var s in searchSources)
{
packages.AddRange(s.SearchForPackages(projectPackages.Keys.Select(k => "Id:" + k),
startNewSearch, includePreRelease));
}
}
foreach (var s in searchSources)
{
packages.AddRange(s.SearchForPackages(searchKeywords, startNewSearch, includePreRelease));
}
if (installedOnly)
{
// If any installed packages are not found, add a dummy entry so that it can be removed
foreach (var kv in projectPackages)
{
if (!packages.Any(p => p.Id == kv.Key))
{
packages.Add(new NuGetPackage(kv.Key, kv.Value));
}
}
return(packages.Where(p => projectPackages.ContainsKey(p.Id)).ToList());
}
return(packages);
}).ConfigureAwait(true);
// Combine results if already found in by a prior search or in another source in the current
// search. A bit of brute force here but it'll work for what this needs to do.
var packageIndex = foundPackages.ToDictionary(k => k.Id, v => v);
foreach (var p in packagesFound)
{
if (packageIndex.TryGetValue(p.Id, out NuGetPackage prior))
{
if (NuGetPackage.CompareSemanticVersion(prior.LatestVersion, p.LatestVersion) >= 0)
{
prior.CombineVersions(p.Versions);
}
else
{
p.CombineVersions(prior.Versions);
foundPackages[foundPackages.IndexOf(prior)] = p;
packageIndex[p.Id] = p;
prior = p;
}
}
else
{
foundPackages.Add(p);
packageIndex.Add(p.Id, p);
prior = p;
}
// Set installed package info if it's in the project
if (projectPackages.TryGetValue(p.Id, out string version))
{
prior.IsInstalled = true;
prior.InstalledVersion = version;
}
}
startNewSearch = packagesFound.Count == 0;
}
catch (Exception ex)
{
MessageBox.Show("Search failed: " + ex.Message, "NuGet Package Search Failure",
MessageBoxButton.OK, MessageBoxImage.Error);
}
finally
{
grdAction.Visibility = Visibility.Hidden;
isSearching = false;
svDetails.IsEnabled = foundPackages.Count != 0;
if (lbPackages.SelectedIndex == -1 && foundPackages.Count != 0)
{
lbPackages.SelectedIndex = 0;
}
}
}