public IEnumerable <Dictionary <string, IEnumerable <string> > > DigInformation(string question)
{
var diggingresult = default(IEnumerable <Dictionary <string, IEnumerable <string> > >);
var querykey = string.Empty;
var querys = MiningCompiler.CompileQuerys(question);
var matches = new List <string>(Directory.GetFiles(Storagefolder));
if (querys != null)
{
querykey = string.Join(".", new[] { querykey, $"{querys.Target} {string.Join(" or", querys?.Expressions)}" });
querykey = querykey.GetHashCode().ToString();
var cachefile = Path.Combine(Storagefolder, querykey, ".cache");
matches = File.Exists(cachefile) ? new List <string>(File.ReadAllLines(cachefile)) : matches;
if (matches != null && matches.Any())
{
diggingresult = Enumerable.Empty <Dictionary <string, IEnumerable <string> > >();
// Rückübersetzung der Treffer in Trefferdictionary
foreach (var match in matches)
{
var information = RetrieveInformation(match);
//if(IsMatchingInformation(querys, information))
//{
// diggingresult = diggingresult.Concat(new[] { information });
//}
}
}
}
return(diggingresult);
}
private FilterDefinition <BsonDocument> ComposeFilter(string question)
{
var filter = MiningCompiler.ComposeFilter(question);
return(filter?.And?.ToMongoDatabaseFilter());
}
