public ICollection <Protein> GetProteins(IProgress <ProgressInfo> progress)
{
var requestUri = new Uri(_preferences.Get <string>(Preference.ProjectDownloadUrl));
var webOperation = WebOperation.Create(requestUri);
if (progress != null)
{
webOperation.ProgressChanged += (sender, e) =>
{
int progressPercentage = Convert.ToInt32(e.Length / (double)e.TotalLength * 100);
string message = $"Downloading {e.Length} of {e.TotalLength} bytes...";
progress.Report(new ProgressInfo(progressPercentage, message));
};
}
webOperation.WebRequest.CachePolicy = new RequestCachePolicy(RequestCacheLevel.NoCacheNoStore);
webOperation.WebRequest.Proxy = WebProxyFactory.Create(_preferences);
using (var stream = new MemoryStream())
{
webOperation.Download(stream);
stream.Position = 0;
var serializer = new ProjectSummaryJsonDeserializer();
return(serializer.Deserialize(stream));
}
}
/// <summary>
/// Refreshes the service data and returns a collection of objects detailing how the service data was changed.
/// </summary>
/// <param name="progress">The object used to report refresh progress.</param>
/// <returns>A collection of objects detailing how the service data was changed</returns>
public IReadOnlyCollection <ProteinDictionaryChange> Refresh(IProgress <ProgressInfo> progress)
{
IReadOnlyCollection <ProteinDictionaryChange> dictionaryChanges;
using (var stream = new MemoryStream())
{
Logger.Info("Downloading new project data from Stanford...");
_downloader.Download(stream, progress);
stream.Position = 0;
var serializer = new ProjectSummaryJsonDeserializer();
var newDictionary = ProteinDictionary.CreateFromExisting(_dictionary, serializer.Deserialize(stream));
dictionaryChanges = newDictionary.Changes;
_dictionary = newDictionary;
}
foreach (var info in dictionaryChanges.Where(info => info.Result != ProteinDictionaryChangeResult.NoChange))
{
Logger.Info(info.ToString());
}
var now = DateTime.UtcNow;
foreach (var key in _projectsNotFound.Keys.ToList())
{
if (_dictionary.ContainsKey(key))
{
_projectsNotFound.Remove(key);
}
else
{
_projectsNotFound[key] = now;
}
}
_lastRefreshTime = now;
Write();
return(dictionaryChanges);
}