private void booksDeleteButton_Click(object sender, EventArgs e) { databaseController dbc = new databaseController(); string selectedBook = bookslistBox.SelectedItem.ToString();//exception needs to be handled selectedBook = selectedBook.Trim(); string[] BookID = selectedBook.Split('|'); selectedBook = BookID[1].Trim(); int total_pages = Convert.ToInt32(BookID[2].Trim()); int id_b = Convert.ToInt32(BookID[0].Trim()); string publish_date = BookID[4].Trim(); int rating = Convert.ToInt32(BookID[3].Trim()); string summary = BookID[5].Trim(); int publisher_id = Convert.ToInt32(BookID[6].Trim()); int location_id = Convert.ToInt32(BookID[7].Trim()); int id_g = 0; Books b = new Books(id_b, selectedBook, summary, year, lost, genre_id); Book_Genres bg = new Book_Genres(id_b, id_g); dbc.DeleteBooksGenres(bg); Book_Authors ba = new Book_Authors(id_b, id_g); dbc.DeleteBooksAuthors(ba); dbc.DeleteBooks(b); bookslistBox.Items.Clear(); OutputBooks(); }
private async void btn_Created(object sender, RoutedEventArgs e) { string genre = txt_Create_Genre.Text.Trim(); if (genre == "") { MessageBox.Show("Запоните это поле!!!", "Warning", MessageBoxButton.OK, MessageBoxImage.Warning); return; } if (_libdb.Book_Genres.Any(bg => bg.Genre_Name == genre)) { MessageBox.Show("Такое тип уже имеется!!!", "Warning", MessageBoxButton.OK, MessageBoxImage.Warning); return; } Book_Genres book_Genre = new Book_Genres { Genre_Name = genre }; _libdb.Book_Genres.Add(book_Genre); await _libdb.SaveChangesAsync(); MessageBox.Show("Данный тип успешно добавлен!!!", "Success", MessageBoxButton.OK, MessageBoxImage.Information); txt_Create_Genre.Text = ""; }
public ActionResult DeleteRelation(long book_id, string genre) { long id = db.Genres.Where(g => g.genre == genre).Select(g => g.id).First(); Book_Genres bg = db.Book_Genres.Where(b => b.GenreId == id && b.BookId == book_id).First(); db.Book_Genres.Remove(bg); db.TrySaveChanges(); return(RedirectToAction("Details", "Books", new { id = book_id })); }
private async void btn_Delete_Click(object sender, RoutedEventArgs e) { int id = ((Cb_Genres)cb_Delete.SelectedItem).ID; Book_Genres genre = _libdb.Book_Genres.Find(id); genre.Is_Deleted = true; await _libdb.SaveChangesAsync(); MessageBox.Show("Данный тип успешно удален!!!", "Deleted", MessageBoxButton.OK, MessageBoxImage.Information); cb_Delete.Text = ""; }
public void UpdateBooksGenres(Book_Genres Book_GenresToUpdate) { //List<string> listOfLocations = new List<string>(); using (NpgsqlConnection con = new NpgsqlConnection("Server=hattie.db.elephantsql.com; User Id=oxbcwgvz;" + "Password=igpiilcYjHtSKKDcs3wuGd15RtjskDzP; Database=oxbcwgvz;")) { con.Open(); string query = "UPDATE book_genres SET genre_id='" + Book_GenresToUpdate.genre_id + "'WHERE book_id='" + Book_GenresToUpdate.book_id + "';"; NpgsqlCommand com = new NpgsqlCommand(query, con); com.ExecuteNonQuery(); com.Dispose(); con.Close(); } }
public void SaveBooksGenres(Book_Genres Book_GenresToSave) { // List<string> listOfLocations = new List<string>(); using (NpgsqlConnection con = new NpgsqlConnection("Server=hattie.db.elephantsql.com; User Id=oxbcwgvz;" + "Password=igpiilcYjHtSKKDcs3wuGd15RtjskDzP; Database=oxbcwgvz;")) { con.Open(); string query = "INSERT INTO book_genres (book_id, genre_id) VALUES((SELECT id_b FROM books WHERE id_b='" + Book_GenresToSave.book_id + "'), (SELECT id_g FROM genres WHERE id_g='" + Book_GenresToSave.genre_id + "'));"; NpgsqlCommand com = new NpgsqlCommand(query, con); com.ExecuteNonQuery(); com.Dispose(); con.Close(); } }
public ActionResult Create(long book_id, [Bind(Include = "id,genre")] Genres genres) { if (ModelState.IsValid) { long genre_id; BooksController bc = new BooksController(); if (bc.IsInDatabase(genres.genre, null, 1) == false) { db.Genres.Add(genres); db.SaveChanges(); genre_id = genres.id; } else { genre_id = db.Genres.Where(g => g.genre == genres.genre).Select(g => g.id).First(); } if (book_id != 0) { Book_Genres bg = new Book_Genres() { BookId = book_id, GenreId = genre_id }; db.Book_Genres.Add(bg); db.TrySaveChanges(); } return(RedirectToAction("Details", "Books", new { id = book_id })); } return(View(genres)); }
private void booksUpdateButton_Click(object sender, EventArgs e) { databaseController dbc = new databaseController(); string selectedBook = bookslistBox.SelectedItem.ToString();//exception needs to be handled MessageBox.Show(selectedBook); selectedBook = selectedBook.Trim(); string[] BookID = selectedBook.Split('|'); selectedBook = BookID[1].Trim(); int id_b = Convert.ToInt32(BookID[0].Trim()); string title = titleTextBox.Text; int total_pages = Convert.ToInt32(numOfPages.Value); int rating = Convert.ToInt32(ratingNumeric.Value); string publish_date = Convert.ToString(DateTime.Now.Date.ToString("MM/dd/yyyy")); string summary = Convert.ToString(summaryTextBox.Text); //getting location id in bookstab #region location_id string selectedLocation = locationBooksCombobox.SelectedItem.ToString();//exception needs to be handled selectedLocation = selectedLocation.Trim(); string[] LocationID = selectedLocation.Split('|'); selectedLocation = LocationID[1].Trim(); string postalcode = LocationID[2].Trim(); int id_l = Convert.ToInt32(LocationID[0].Trim()); #endregion //getting publisher id in books tab #region publisher_id string selectedPublisher = publishersBooksCombobox.SelectedItem.ToString();//exception needs to be handled selectedPublisher = selectedPublisher.Trim(); string[] PublisherID = selectedPublisher.Split('|'); selectedPublisher = PublisherID[1].Trim(); string description = PublisherID[2].Trim(); int id_p = Convert.ToInt32(PublisherID[0].Trim()); selectedPublisher = publishersNameTextBox.Text; description = publishersDescriptionRichTextBox.Text; #endregion //getting genre id #region genre_id string selectedGenre = genreBooksCombobox.SelectedItem.ToString();//exception needs to be handled selectedGenre = selectedGenre.Trim(); string[] GenreID = selectedGenre.Split('|'); selectedGenre = GenreID[1].Trim(); string description_genre = GenreID[2].Trim(); int id_g = Convert.ToInt32(GenreID[0].Trim()); int id_aa = 0; #endregion #region author_id string selectedAuthor = authorsBooksCombobox.SelectedItem.ToString();//exception needs to be handled selectedAuthor = selectedAuthor.Trim(); string[] AuthorID = selectedAuthor.Split('|'); selectedAuthor = AuthorID[1].Trim(); string surname = AuthorID[2].Trim(); string middlename = AuthorID[3].Trim(); int id_a = Convert.ToInt32(AuthorID[0].Trim()); #endregion Book_Authors ba = new Book_Authors(id_b, id_a); dbc.UpdateBooksAuthors(ba); Book_Genres bg = new Book_Genres(id_b, id_g); dbc.UpdateBooksGenres(bg); Books b = new Books(id_b, title, summary, year, lost, genre_id); dbc.UpdateBooks(b); bookslistBox.Items.Clear(); OutputBooks(); }
private void booksAddButton_Click(object sender, EventArgs e) { ratingNumeric.Minimum = 1; ratingNumeric.Maximum = 10; databaseController dbc = new databaseController(); int id_b = 0; string title = titleTextBox.Text; int total_pages = Convert.ToInt32(numOfPages.Value); int rating = Convert.ToInt32(ratingNumeric.Value); string publish_date = Convert.ToString(DateTime.Now.Date.ToString("MM/dd/yyyy")); string summary = Convert.ToString(summaryTextBox.Text); //getting location id in bookstab #region location_id string selectedLocation = locationBooksCombobox.SelectedItem.ToString();//exception needs to be handled selectedLocation = selectedLocation.Trim(); string[] LocationID = selectedLocation.Split('|'); selectedLocation = LocationID[1].Trim(); string postalcode = LocationID[2].Trim(); int id_l = Convert.ToInt32(LocationID[0].Trim()); #endregion //getting publisher id in books tab #region publisher_id string selectedPublisher = publishersBooksCombobox.SelectedItem.ToString();//exception needs to be handled selectedPublisher = selectedPublisher.Trim(); string[] PublisherID = selectedPublisher.Split('|'); selectedPublisher = PublisherID[1].Trim(); string description = PublisherID[2].Trim(); int id_p = Convert.ToInt32(PublisherID[0].Trim()); selectedPublisher = publishersNameTextBox.Text; description = publishersDescriptionRichTextBox.Text; #endregion Books b = new Books(id_b, title, summary, year, lost, genre_id); dbc.SaveBooks(b); //getting genre id #region genre_id string selectedGenre = genreBooksCombobox.SelectedItem.ToString();//exception needs to be handled selectedGenre = selectedGenre.Trim(); string[] GenreID = selectedGenre.Split('|'); selectedGenre = GenreID[1].Trim(); string g_description = GenreID[2].Trim(); int id_g = Convert.ToInt32(GenreID[0].Trim()); //selectedGenre = genresNametextBox.Text; //g_description = genresDescriptionrichTextBox.Text; #endregion //getting author id #region author_id string selectedAuthor = authorsBooksCombobox.SelectedItem.ToString();//exception needs to be handled selectedAuthor = selectedAuthor.Trim(); string[] AuthorID = selectedAuthor.Split('|'); selectedAuthor = AuthorID[1].Trim(); string surname = AuthorID[2].Trim(); string middlename = AuthorID[3].Trim(); int id_a = Convert.ToInt32(AuthorID[0].Trim()); #endregion //getting book_id #region book_id List <string> listOfBookss = new List <string>(); using (NpgsqlConnection con = new NpgsqlConnection("Server=hattie.db.elephantsql.com; User Id=oxbcwgvz;" + "Password=igpiilcYjHtSKKDcs3wuGd15RtjskDzP; Database=oxbcwgvz;")) { con.Open(); string query = "SELECT id_b FROM books WHERE(title='" + title + "' AND total_pages='" + total_pages + "' AND rating='" + rating + "' AND publisher_id='" + id_p + "' AND location_id='" + id_l + "')"; NpgsqlCommand com = new NpgsqlCommand(query, con); NpgsqlDataReader reader = com.ExecuteReader(); while (reader.Read()) { int id_bb = reader.GetInt32(0); listOfBookss.Add(id_bb + ""); } con.Close(); } string prvi = listOfBookss.ElementAt(0); int idbb = Convert.ToInt32(prvi); #endregion Book_Authors ba = new Book_Authors(idbb, id_a); dbc.SaveBooksAuthors(ba); Book_Genres bg = new Book_Genres(idbb, id_g); dbc.SaveBooksGenres(bg); bookslistBox.Items.Clear(); OutputBooks(); }
public ActionResult Create(CombinedDataModels newBook) { if (ModelState.IsValid) { long book_id; long author_id; long genre_id; long series_id; //***************************check if title, author, genre and series are in database************************ if (IsInDatabase(newBook.Books.title, null, 0) == false) { Books book; if (newBook.cover == null) { book = new Books() { title = newBook.Books.title, year = newBook.Books.year, description = newBook.Books.description, cover = null } } ; else { book = new Books() { title = newBook.Books.title, year = newBook.Books.year, description = newBook.Books.description, cover = newBook.cover.FileName }; newBook.cover.SaveAs(HttpContext.Server.MapPath(ConfigurationManager.AppSettings["bookCovers"]) + book.cover); } db.Books.Add(book); db.TrySaveChanges(); book_id = book.id; } else { book_id = db.Books.Where(b => b.title == newBook.Books.title).Select(b => b.id).First(); } if (IsInDatabase(newBook.Authors.firstName, newBook.Authors.lastName, 3) == false) { Authors author; if (newBook.photo == null) { author = new Authors() { firstName = newBook.Authors.firstName, lastName = newBook.Authors.lastName, birthDate = newBook.Authors.birthDate, birthPlace = newBook.Authors.birthPlace, BIO = newBook.Authors.BIO, photo = null, sex = newBook.Authors.sex } } ; else { author = new Authors() { firstName = newBook.Authors.firstName, lastName = newBook.Authors.lastName, birthDate = newBook.Authors.birthDate, birthPlace = newBook.Authors.birthPlace, BIO = newBook.Authors.BIO, photo = newBook.photo.FileName, sex = newBook.Authors.sex }; newBook.photo.SaveAs(HttpContext.Server.MapPath(ConfigurationManager.AppSettings["authorPhotos"]) + author.photo); } db.Authors.Add(author); db.TrySaveChanges(); author_id = author.id; } else { author_id = db.Authors.Where(a => a.firstName == newBook.Authors.firstName && a.lastName == newBook.Authors.lastName).Select(a => a.id).First(); } if (BookIsBounded(book_id, author_id, 0) == false) { Book_Authors bk = new Book_Authors() { BookId = book_id, AuthorId = author_id }; db.Book_Authors.Add(bk); } if (IsInDatabase(newBook.Genres.genre, null, 1) == false) { Genres genre = new Genres() { genre = newBook.Genres.genre }; db.Genres.Add(genre); db.TrySaveChanges(); genre_id = genre.id; } else { genre_id = db.Genres.Where(g => g.genre == newBook.Genres.genre).Select(g => g.id).First(); } if (IsInDatabase(newBook.Series.series, null, 2) == false) { Series series = new Series() { series = newBook.Series.series }; db.Series.Add(series); db.TrySaveChanges(); series_id = series.id; } else { series_id = db.Series.Where(s => s.series == newBook.Series.series).Select(s => s.id).First(); } if (BookIsBounded(book_id, genre_id, 1) == false) { Book_Genres bg = new Book_Genres() { BookId = book_id, GenreId = genre_id }; db.Book_Genres.Add(bg); } if (BookIsBounded(book_id, series_id, 2) == false) { Book_Series bs = new Book_Series() { BookId = book_id, SeriesId = series_id }; db.Book_Series.Add(bs); } db.TrySaveChanges(); return(RedirectToAction("Index", "Books")); } return(View(newBook)); }