private void buttonProcess_Click(object sender, EventArgs e)
{
//string inputText = textBox1.Text;
//process(inputText);
using (TrelloDbContext db = new TrelloDbContext())
{
var cards = db.Cards;
foreach (TrelloCard card in cards)
{
process(card.Desc, card.Id);
}
db.SaveChanges();
}
MessageBox.Show("Готово", "Готово", MessageBoxButtons.OK);
}
//обработка ввода
void process(string s, string cardId)
{
List <string> words = new List <string>();
//вставляем пробелы перед n
/*string s = input;
* for (int i = 0; i<s.Length; i++)
* {
* if (i < s.Length && s[i] == '\\' && s[i + 1] == 'n')
* {
* s = input.Insert(i+1, " ");
* }
* }*/
//разбиваем на слова
//words.AddRange(s.Split(' '));
char[] badChars = new char[] { '\\', '*', '>', '\'', '"', ':', ',', '.', '@', '!', '?', '-', '+', '&' };
//удаляем плохие символы
/*for (int i = 0; i < words.Count; i++)
* {
* string word = words[i];
* for (int j = 0; j < word.Length; j++)
* {
* if (badChars.Contains(word[j]))
* {
* if (j < word.Length && word[j]=='\\' && word[j + 1] == 'n')
* {
* words[i] = word.Remove(j, 2);
* word=words[i];
* }
* else
* {
* words[i] = word.Remove(j, 1);
* word = words[i];
* }
* }
* }
* }*/
//альтернатива: заменяем плохие символы пробелами, ЗАТЕМ разбиваем на слова
string betterS = "";
for (int i = 0; i < s.Length; i++)
{
if (badChars.Contains(s[i]))
{
if (i < s.Length && s[i] == '\\' && s[i + 1] == 'n')
{
i++;
}
betterS += " ";
}
else
{
betterS += s[i];
}
}
words.AddRange(betterS.Split(' '));
//удаляем стоп-слова
for (int i = 0; i < words.Count; i++)
{
if (stopwords.Contains(words[i].ToLower()))
{
words.Remove(words[i]);
i--;
}
}
//стемминг
IStemmer stemmerRU = new RussianStemmer();
IStemmer stemmerEN = new EnglishStemmer();
for (int i = 0; i < words.Count; i++)
{
string oldword = words[i];
string neword = stemmerRU.Stem(words[i]);
neword = stemmerEN.Stem(neword);
words[i] = neword;
}
//считаем частоты
string[,] frequencyTable = new string[2, words.Count];
int length = 0;
foreach (var n in words)
{
if (n != "" && n != " ")
{
//MessageBox.Show(n, "Слово:", MessageBoxButtons.OK);
bool isNew = true;
for (int j = 0; j < length; j++)
{
if (frequencyTable[0, j] == n)
{
frequencyTable[1, j] = (Convert.ToInt32(frequencyTable[1, j]) + 1).ToString();
isNew = false;
}
}
if (isNew)
{
length++;
frequencyTable[0, length - 1] = n;
frequencyTable[1, length - 1] = "1";
}
}
}
//запись в бд
using (TrelloDbContext context = new TrelloDbContext())
{
for (int n = 0; n < length; n++)
{
CardTerm term = new CardTerm {
Id = cardId + n.ToString(), Name = frequencyTable[0, n], Frequency = Convert.ToInt32(frequencyTable[1, n]), CardId = cardId
};
context.CardTerms.Add(term);
context.SaveChanges();
}
}
//вывод
/*s = "";
* for (int j = 0; j < length; j++)
* {
* s += frequencyTable[0,j] + " | " + frequencyTable[1,j] + "\n";
* }
* MessageBox.Show(s, "Частоты:", MessageBoxButtons.OK);*/
}
