private async Task <List <MangaObject> > SearchMangaObjectAsync(String SearchTerm, CancellationToken ct, IProgress <Int32> progress)
{
List <MangaObject> SearchResults = new List <MangaObject>();
if (!Equals(progress, null))
{
progress.Report(5);
}
Boolean firstResponse = true;
IEnumerable <Task <ExtensionContentResult> > ExtensionContentTasksQuery =
from Extension in ValidExtensions(CORE.Extensions, CORE.UserConfiguration.EnabledExtensions)
select LoadExtensionSearchContent(Extension, SearchTerm);
List <Task <ExtensionContentResult> > ExtensionContentTasks = ExtensionContentTasksQuery.ToList();
Int32 OriginalExtensionContentTasksCount = ExtensionContentTasks.Count;
if (!Equals(progress, null))
{
progress.Report(10);
}
while (ExtensionContentTasks.Count > 0)
{ // Load Content via Async and process as they complete.
ct.ThrowIfCancellationRequested();
Task <ExtensionContentResult> completedTask = await Task.WhenAny(ExtensionContentTasks);
ExtensionContentTasks.Remove(completedTask);
ct.ThrowIfCancellationRequested();
ExtensionContentResult LoadedExtensionContentResult = await completedTask;
if (!Equals(LoadedExtensionContentResult, null))
{
String Content = LoadedExtensionContentResult.Content;
if (LoadedExtensionContentResult.Extension is ISiteExtension)
{ // Extension was a ISiteExtension
ISiteExtension SiteExtension = LoadedExtensionContentResult.Extension as ISiteExtension;
List <SearchResultObject> SearchResultObjects = SiteExtension.ParseSearch(Content);
foreach (SearchResultObject SearchResultObject in SearchResultObjects)
{
MangaObject MangaObject = SearchResultObject.ConvertToMangaObject(),
ExistingMangaObject = SearchResults.FirstOrDefault(_MangaObject =>
{ // Locate an Existing MangaObject
List <String> ExistingMangaObjectNames = new List <String>(_MangaObject.AlternateNames),
MangaObjectNames = new List <String>(MangaObject.AlternateNames);
ExistingMangaObjectNames.Insert(0, _MangaObject.Name);
MangaObjectNames.Insert(0, MangaObject.Name);
ExistingMangaObjectNames = ExistingMangaObjectNames.Select(_ExistingMangaObjectName => SafeAlphaNumeric.Replace(_ExistingMangaObjectName.ToLower(), String.Empty)).ToList();
MangaObjectNames = MangaObjectNames.Select(_MangaObjectNames => SafeAlphaNumeric.Replace(_MangaObjectNames.ToLower(), String.Empty)).ToList();
return(ExistingMangaObjectNames.Intersect(MangaObjectNames).Any());
});
if (Equals(ExistingMangaObject, null))
{
SearchResults.Add(MangaObject);
}
else
{
ExistingMangaObject.Merge(MangaObject);
}
}
}
else if (LoadedExtensionContentResult.Extension is IDatabaseExtension)
{ // Extension was a IDatabaseExtension
IDatabaseExtension DatabaseExtension = LoadedExtensionContentResult.Extension as IDatabaseExtension;
List <DatabaseObject> DatabaseObjects = DatabaseExtension.ParseSearch(Content);
foreach (DatabaseObject DatabaseObject in DatabaseObjects)
{
MangaObject ExistingMangaObject = SearchResults.FirstOrDefault(_MangaObject =>
{ // Locate an Existing MangaObject
List <String> ExistingMangaObjectNames = new List <String>(_MangaObject.AlternateNames),
DatabaseObjectNames = new List <String>(DatabaseObject.AlternateNames);
ExistingMangaObjectNames.Insert(0, _MangaObject.Name);
DatabaseObjectNames.Insert(0, DatabaseObject.Name);
ExistingMangaObjectNames = ExistingMangaObjectNames.Select(_ExistingMangaObjectName => SafeAlphaNumeric.Replace(_ExistingMangaObjectName.ToLower(), String.Empty)).ToList();
DatabaseObjectNames = DatabaseObjectNames.Select(_DatabaseObjectNames => SafeAlphaNumeric.Replace(_DatabaseObjectNames.ToLower(), String.Empty)).ToList();
Int32 IntersectCount = ExistingMangaObjectNames.Intersect(DatabaseObjectNames).Count(),
ExistingHalfCount = (Int32)Math.Ceiling((Double)ExistingMangaObjectNames.Count / 2);
return(IntersectCount >= ExistingHalfCount);
});
if (Equals(ExistingMangaObject, null))
{
MangaObject databaseMangaObject = new MangaObject();
databaseMangaObject.AttachDatabase(DatabaseObject, true, true);
SearchResults.Add(databaseMangaObject);
}
else
{
if (Equals(ExistingMangaObject.DatabaseLocations.FindIndex(_DatabaseLocation => Equals(
_DatabaseLocation.ExtensionName,
DatabaseExtension.ExtensionDescriptionAttribute.Name)), -1))
{
ExistingMangaObject.AttachDatabase(DatabaseObject, preferDatabaseDescription: true);
}
}
}
}
}
firstResponse = Equals(SearchResults.Count, 0);
Int32 ExtensionContentTasksProgress = (Int32)Math.Round(((Double)(OriginalExtensionContentTasksCount - ExtensionContentTasks.Count) / (Double)OriginalExtensionContentTasksCount) * 70);
if (!Equals(progress, null))
{
progress.Report(10 + ExtensionContentTasksProgress);
}
}
if (!Equals(progress, null))
{
progress.Report(85);
}
ct.ThrowIfCancellationRequested();
// Remove Database only results
Int32 RemoveCount = SearchResults.RemoveAll(_ => Equals(_.Locations.Count, 0));
if (!Equals(progress, null))
{
progress.Report(100);
}
ct.ThrowIfCancellationRequested();
return(SearchResults);
}
