private int MaxBookId()
{
int output = 0;
using (GuramDBEntities _ctx = new GuramDBEntities())
{
var ids = _ctx.Books.Select(c => c.Id).ToList();
var maxId = ids.Count == 0 ? 0 : ids.Max();
output = maxId + 1;
}
return(output);
}
public Form1()
{
InitializeComponent();
using (var _ctx = new GuramDBEntities())
{
_ctx.Database.CommandTimeout = 200;
comboBox1.DataSource = _ctx.Authors.Select(y => y.Name).ToList();
comboBox1.SelectedIndex = -1;
}
using (var _ctx = new GuramDBEntities())
{
_ctx.Database.CommandTimeout = 200;
comboBox2.DataSource = _ctx.Books.Select(y => y.Name).ToList();
comboBox2.SelectedIndex = -1;
}
using (var _ctx = new GuramDBEntities())
{
_ctx.Database.CommandTimeout = 200;
comboBox3.DataSource = _ctx.Genres.Select(y => y.Name).ToList();
comboBox3.SelectedIndex = -1;
}
using (var _ctx = new GuramDBEntities())
{
_ctx.Database.CommandTimeout = 200;
comboBox4.DataSource = _ctx.Countries.Select(y => y.Name).ToList();
comboBox4.SelectedIndex = -1;
}
//comboBox7.Enabled = false;
//comboBox6.Enabled = false;
//comboBox5.Enabled = false;
}
private void button1_Click(object sender, EventArgs e)
{
var name = comboBox1.Text;
var book = comboBox2.Text;
var genre = comboBox3.Text;
var country = comboBox4.Text;
var inputYear = comboBox7.Text;
var inputStartDate = comboBox5.Text;
var inputEndDate = comboBox6.Text;
int yearResult = 0;
int?year = null;
if (comboBox7.Text == string.Empty)
{
year = null;
}
else
{
if (Int32.TryParse(comboBox7.Text, out yearResult))
{
year = yearResult;
}
else
{
throw new Exception("გთხოვთ შეიყვანოთ სწორი წელი");
}
}
int startDateResult = 0;
int?startDate = null;
if (inputStartDate == string.Empty)
{
startDate = null;
}
else
{
if (Int32.TryParse(inputStartDate, out startDateResult))
{
startDate = startDateResult;
}
else
{
throw new Exception("გთხოვთ შეიყვანოთ სწორი წელი");
}
}
int endDateResult = 0;
int?endDate = null;
if (inputEndDate == string.Empty)
{
endDate = null;
}
else
{
if (Int32.TryParse(inputEndDate, out endDateResult))
{
endDate = endDateResult;
}
else
{
throw new Exception("გთხოვთ შეიყვანოთ სწორი წელი");
}
}
#region
//void Disabler()
//{
// if (comboBox1.Text == string.Empty)
// {
// comboBox1.Enabled = false;
// }
// if (comboBox2.Text == string.Empty)
// {
// comboBox2.Enabled = false;
// }
// if (comboBox2.Text == string.Empty)
// {
// comboBox2.Enabled = false;
// }
// if (comboBox3.Text == string.Empty)
// {
// comboBox3.Enabled = false;
// }
// if (comboBox4.Text == string.Empty)
// {
// comboBox4.Enabled = false;
// }
// if (comboBox5.Text == string.Empty)
// {
// comboBox5.Enabled = false;
// }
// if (comboBox6.Text == string.Empty)
// {
// comboBox6.Enabled = false;
// }
// if (comboBox7.Text == string.Empty)
// {
// comboBox7.Enabled = false;
// }
//}
//void Enabler()
//{
// comboBox1.Enabled = true;
// comboBox2.Enabled = true;
// comboBox3.Enabled = true;
// comboBox4.Enabled = true;
// comboBox5.Enabled = true;
// comboBox6.Enabled = true;
// comboBox7.Enabled = true;
//}
#endregion
var specificBookForAuthor = new List <Book>();
using (var _context = new GuramDBEntities())
{
_context.Database.CommandTimeout = 200;
var First = name.Split(' ').First();
var Last = name.Remove(0, First.Length).TrimStart();
specificBookForAuthor = _context.Books.Where(c =>
(c.Author.Name.Contains(First) || c.Author.Surname.Contains(Last)) &&
c.Name.Contains(book) &&
c.Author.Country.Name.Contains(country) &&
c.Genre.Name.Contains(genre)
//&& inputYear == string.Empty ? true : c.Year == year
//&& inputStartDate == string.Empty ? true : c.Year >= startDate
//&& inputEndDate == string.Empty ? true : c.Year <= endDate
).Select(b => b).ToList();
//specificBookForAuthor = _context.Books.Where(c =>
// (c.Author.Name.Contains(First) || c.Author.Surname.Contains(Last))
// && book == string.Empty ? true : c.Name.Contains(book)
// && country == string.Empty ? true : c.Author.Country.Name.Contains(country)
// && genre == string.Empty ? true : c.Genre.Name.Contains(genre)
// //&& inputYear == string.Empty ? true : c.Year == year
// //&& inputStartDate == string.Empty ? true : c.Year >= startDate
// //&& inputEndDate == string.Empty ? true : c.Year <= endDate
// ).Select(b => b).ToList();
richTextBox1.Clear();
foreach (var item in specificBookForAuthor)
{
richTextBox1.AppendText($"Author :{item.Author.Name} {item.Author.Surname} \nBook : {item.Name}, \nGenre : {item.Genre.Name}, \nCountry : {item.Author.Country.Name} \nYear:{item.Year} \n----------------------------------------------------\n");
}
}
}
//ADD
private void ADD_Click(object sender, EventArgs e)
{
var author = comboBox1.Text;
var book = comboBox2.Text;
var genre = comboBox3.Text;
var country = comboBox4.Text;
var year = Int32.Parse(comboBox7.Text);
int?checkauthor;
int?checkbook;
int?checkgenre;
int?checkcountry;
var First = author.Split(' ').First();
var Last = author.Remove(0, First.Length).TrimStart();
var FirstLast = First + Last;
using (var _ctx = new GuramDBEntities())
{
checkauthor = _ctx.Authors.Where(c => (c.Name.ToLower() + c.Surname.ToLower()) == FirstLast.ToLower()).Select(a => a.Id).FirstOrDefault();
checkbook = _ctx.Books.Where(c => c.Name.ToLower() == book.ToLower()).Select(a => a.Id).FirstOrDefault();
checkgenre = _ctx.Genres.Where(c => c.Name.ToLower() == genre.ToLower()).Select(a => a.Id).FirstOrDefault();
checkcountry = _ctx.Countries.Where(c => c.Name.ToLower() == country.ToLower()).Select(a => a.Id).FirstOrDefault();
}
Country newCountry = new Country();
Random rand = new Random();
if (checkcountry == 0)
{
newCountry = new Country()
{
Id = MaxCountryId(),
Name = country
};
using (var _context = new GuramDBEntities())
{
_context.Countries.Add(newCountry);
_context.SaveChanges();
}
checkcountry = newCountry.Id;
}
Author newAuthor = new Author();
if (checkauthor == 0)
{
newAuthor = new Author()
{
Id = MaxAuthorId(),
Name = First,
Surname = Last,
CountryId = checkcountry
};
using (var _context = new GuramDBEntities())
{
_context.Authors.Add(newAuthor);
_context.SaveChanges();
}
checkauthor = newAuthor.Id;
}
Genre newGenre = new Genre();
if (checkgenre == 0)
{
newGenre = new Genre()
{
Id = MaxGenreId(),
Name = genre,
};
using (var _context = new GuramDBEntities())
{
_context.Genres.Add(newGenre);
_context.SaveChanges();
}
checkgenre = newGenre.Id;
}
Book newBook = new Book();
if (checkbook == 0)
{
newBook = new Book()
{
Id = MaxBookId(),
Name = book,
GenreId = checkgenre,
AuthorId = checkauthor,
Year = year
};
using (var _context = new GuramDBEntities())
{
_context.Books.Add(newBook);
_context.SaveChanges();
}
checkbook = newBook.Id;
}
}
