static async Task Main(string[] args)
{
Console.WriteLine("Введите ссылку: ");
var input = Console.ReadLine()?.Trim();
var filesProvider = new FilesProvider();
if (input != string.Empty)
{
var indexHandler = new IndexerHandler();
var worker = new HtmlWorker(input);
await filesProvider.WriteAllData(worker.GetPages());
indexHandler.IndexWords(worker.HtmlInfos);
await filesProvider.WriteInvertedList(indexHandler.IndexedWords);
var tfIdfInfo = indexHandler.IndexedWords
.Select(x => new { x.Key, Value = x.Value.Distinct() })
.Select(x =>
new WordFrequencyInfo
{
Word = x.Key,
IDF = Math.Log10(worker.HtmlInfos.Count / (double)x.Value.Count()),
TF = x.Value.ToDictionary(q => q, q =>
{
var docContentInfo = worker.HtmlInfos.FirstOrDefault(z => z.Level == q)?.Content;
var wordsCount =
(double)docContentInfo.WordsInfo.Count(z => z.LemmatizedWord == x.Key);
return(wordsCount / docContentInfo.WordsCount);
})
});
await filesProvider.WriteTfIdf(tfIdfInfo);
}
else
{
var indexedWords = await filesProvider.ReadInvertedList();
Console.WriteLine("Введите запрос: ");
var searchQuery = Console.ReadLine();
//searchQuery = "Android OR fb OR Биробиджан";
var query = QueryWorker.ParseQuery(searchQuery);
var searchResult = indexedWords.Where(query.Compile()).ToList();
var words = searchQuery.Split(' ');
var result = QueryWorker.GetDocNumbers(words, searchResult);
Console.WriteLine("Результаты:");
foreach (var item in result)
{
Console.Write(item + " ");
}
}
var sourceTfIdfList = await filesProvider.ReadTfIdfList();
var searchQueryTfIdf = filesProvider.GetSearchQueryTfIdf(sourceTfIdfList, new[] { "ГАБДУЛИНА" }).ToList();
filesProvider.GetRelevantDocs(await filesProvider.ReadTfIdfList(), searchQueryTfIdf);
Console.WriteLine();
}
