public async Task <MODEL.Laptop> GetListOfLaptopByIdAsync(int id)
{
MODEL.Laptop laptop = new MODEL.Laptop();
try
{
using (var firstConnection = new SqliteConnection(DbConnection.connectionString))
{
firstConnection.Open();
var selectCommand = firstConnection.CreateCommand();
selectCommand.CommandText =
@"
SELECT *
FROM LAPTOP where id=" + id + "";
SqliteDataReader adr = selectCommand.ExecuteReader();
while (adr.Read())
{
laptop.Id = adr.GetInt32(0);
laptop.Name = adr.GetString(1);
laptop.Price = adr.GetString(2);
}
}
}
catch (Exception)
{
}
return(await Task.FromResult(laptop));
}
public async Task <MODEL.LaptopResponse> AddLaptopAsync(MODEL.Laptop laptop)
{
MODEL.LaptopResponse laptopResponse = new MODEL.LaptopResponse();
try
{
List <MODEL.Laptop> list1 = new List <MODEL.Laptop>();
using (var firstConnection = new SqliteConnection(DbConnection.connectionString))
{
firstConnection.Open();
var updateCommand = firstConnection.CreateCommand();
string query1 = "select * from Laptop where Name='" + laptop.Name + "'";
updateCommand.CommandText = query1;
SqliteDataReader adr1 = updateCommand.ExecuteReader();
bool flag = adr1.HasRows;
if (flag)
{
return(null);
}
adr1.Close();
string query = "INSERT INTO Laptop (Name,price) VALUES ('" + laptop.Name + "','" + laptop.Price + "')";
updateCommand.CommandText = query;
updateCommand.ExecuteNonQuery();
updateCommand.CommandText =
@"
SELECT *
FROM LAPTOP
";
SqliteDataReader adr = updateCommand.ExecuteReader();
while (adr.Read())
{
MODEL.Laptop laptopObj = new MODEL.Laptop();
laptopObj.Id = adr.GetInt32(0);
laptopObj.Name = adr.GetString(1);
laptopObj.Price = adr.GetString(2);
list1.Add(laptopObj);
}
}
laptopResponse.Laptops = list1;
}
catch (Exception ex)
{
}
return(await Task.FromResult(laptopResponse));
}
public async Task <MODEL.LaptopResponse> GetListOfLaptopAsync()
{
MODEL.LaptopResponse laptopResponse = new MODEL.LaptopResponse();
try
{
List <MODEL.Laptop> list = new List <MODEL.Laptop>();
using (var firstConnection = new SqliteConnection(DbConnection.connectionString))
{
firstConnection.Open();
var selectCommand = firstConnection.CreateCommand();
selectCommand.CommandText =
@"
SELECT *
FROM LAPTOP
";
SqliteDataReader adr = selectCommand.ExecuteReader();
while (adr.Read())
{
MODEL.Laptop laptopObj = new MODEL.Laptop();
laptopObj.Id = adr.GetInt32(0);
laptopObj.Name = adr.GetString(1);
laptopObj.Price = adr.GetString(2);
list.Add(laptopObj);
}
}
laptopResponse.Laptops = list;
}
catch (Exception)
{
}
return(await Task.FromResult(laptopResponse));
}
public async Task <Laptop> GetListOfLaptopByIdAsync(int id)
{
Model.Laptop laptop = await _laptopDAL.GetListOfLaptopByIdAsync(id);
return(_mapper.Map <DC.Laptop>(laptop));
}