public void AddBookToDB(_Book book, string linkPhoto)
{
using (SqlConnection connection = new SqlConnection(ConnectionStrings.DBQuery))
{
using (SqlCommand cmd = new SqlCommand(ConnectionStrings.AddBook, connection))
{
try
{
connection.Open();
cmd.Parameters.AddWithValue("@BookName", book.BookName);
cmd.Parameters.AddWithValue("@Authors", book.Authors);
cmd.Parameters.AddWithValue("@Total", book.Total);
cmd.Parameters.AddWithValue("@Available", book.Total);
cmd.Parameters.AddWithValue("@LinkPhoto", linkPhoto);
cmd.ExecuteNonQuery();
}
catch (Exception ex)
{
System.IO.StreamWriter writer = new System.IO.StreamWriter(Server.MapPath("~/App_Data/ErrorLogDataBase.txt"), true);
writer.WriteLine(string.Format("Date : " + DateTime.Now.ToString() + " Error : " + ex.Message));
writer.Close();
}
}
}
}
//Получить доступные книги
public BooksContainer AllAvailable()
{
booksContainer = new BooksContainer();
using (SqlConnection connection =
new SqlConnection(ConnectionStrings.DBQuery))
{
SqlCommand command = new SqlCommand(ConnectionStrings.BooksAvailable, connection);
try
{
connection.Open();
SqlDataReader reader = command.ExecuteReader();
while (reader.Read())
{
book = new _Book();
book.BookName = reader[0].ToString();
book.Authors = reader[1].ToString();
book.Total = int.Parse(reader[2].ToString());
book.Available = int.Parse(reader[3].ToString());
book.LinkPhoto = reader[5].ToString();
booksContainer.Add(book);
}
reader.Close();
return(booksContainer);
}
catch (Exception ex)
{
System.IO.StreamWriter writer = new System.IO.StreamWriter(Server.MapPath("~/App_Data/ErrorLogDataBase.txt"), true);
writer.WriteLine(string.Format("Date : " + DateTime.Now.ToString() + " Error : " + ex.Message));
writer.Close();
return(null);
}
}
}
//считываем из базы наименования книг
public BooksContainer BooksReading()
{
booksContainer = new BooksContainer();
using (SqlConnection connection =
new SqlConnection(ConnectionStrings.DBQuery))
{
SqlCommand command = new SqlCommand(ConnectionStrings.BooksQuery, connection);
try
{
connection.Open();
SqlDataReader reader = command.ExecuteReader();
while (reader.Read())
{
book = new _Book();
book.BookName = reader[0].ToString();
book.Authors = reader[1].ToString();
book.Total = int.Parse(reader[2].ToString());
book.Available = int.Parse(reader[3].ToString());
book.Id = int.Parse(reader[4].ToString());
book.LinkPhoto = reader[5].ToString();
booksContainer.Add(book);
}
reader.Close();
return(booksContainer);
}
catch (Exception ex)
{
//throw new Exception(ex.Message);
Console.WriteLine(ex.Message);
return(null);
}
}
}
public ActionResult Upload(HttpPostedFileBase upload, _Book book)
{
if (upload != null)
{
try
{
string fileName = System.IO.Path.GetFileName(upload.FileName);
string linkPhoto = string.Format("~/Resources/Photo/" + fileName);
upload.SaveAs(Server.MapPath(linkPhoto));
AddBookToDB(book, linkPhoto);
}
catch (Exception ex)
{
System.IO.StreamWriter writer = new System.IO.StreamWriter(Server.MapPath("~/App_Data/ErrorLogDataBase.txt"), true);
writer.WriteLine(string.Format("Date : " + DateTime.Now.ToString() + " Error : " + ex.Message));
writer.Close();
}
}
return(RedirectToAction("IndexAdm"));
}
