public Cryptocurrencies Read(String symbol)
{
Cryptocurrencies crypto = new Cryptocurrencies();
string connectionString = @"Data Source=(localdb)\LocalDBKN;Initial Catalog=FinMarketsAppDB;Integrated Security=True;Connect Timeout=30;Encrypt=False;TrustServerCertificate=False;ApplicationIntent=ReadWrite;MultiSubnetFailover=False";
SqlConnection connection = new SqlConnection(connectionString);
connection.Open();
string query = @"SELECT * FROM Cryptocurrencies WHERE symbol = " + "'" + symbol.Trim() + "'";
SqlCommand command = new SqlCommand(query, connection);
SqlDataReader reader = command.ExecuteReader();
while (reader.Read())
{
crypto.idCrypto = Convert.ToInt32(reader["idCrypto"]);
crypto.Name = reader["name"].ToString();
crypto.Symbol = reader["symbol"].ToString();
crypto.Price = reader["price"].ToString();
crypto.Change7d = reader["change7d"].ToString();
crypto.Change24h = reader["change24h"].ToString();
}
connection.Close();
return(crypto);
}
public List <Cryptocurrencies> search(string searchText)
{
List <Cryptocurrencies> listCrpyto = new List <Cryptocurrencies>();
string connectionString = @"Data Source=(localdb)\LocalDBKN;Initial Catalog=FinMarketsAppDB;Integrated Security=True;Connect Timeout=30;Encrypt=False;TrustServerCertificate=False;ApplicationIntent=ReadWrite;MultiSubnetFailover=False";
SqlConnection connection = new SqlConnection(connectionString);
connection.Open();
string query = @"SELECT * FROM Cryptocurrencies WHERE symbol like " + "'%" + searchText.Trim() + "%'";
SqlCommand command = new SqlCommand(query, connection);
command.ExecuteNonQuery();
SqlDataReader reader = command.ExecuteReader();
while (reader.Read())
{
Cryptocurrencies crypto = new Cryptocurrencies();
crypto.Name = reader["name"].ToString();
crypto.Symbol = reader["symbol"].ToString();
crypto.Price = reader["price"].ToString();
crypto.Change7d = reader["change7d"].ToString();
crypto.Change24h = reader["change24h"].ToString();
listCrpyto.Add(crypto);
}
connection.Close();
return(listCrpyto);
}
private void RemoveFromWalletBtn_Click(object sender, EventArgs e)
{
if (walletSymbolTextBox.Text != "" & walletNameTextBox.Text != "")
{
if (MessageBox.Show("Do you want remove this asset from your wallet?", "Warning",
MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes)
{
Cryptocurrencies crypto = new Cryptocurrencies();
ConnectDB connectDb = new ConnectDB();
crypto = connectDb.Read(walletSymbolTextBox.Text); // to get crypto id from symbol Text Box
WalletsC walletsC = new WalletsC();
WalletsC walletsC2 = new WalletsC();
Users user = new Users();
user = connectDb.checkLoggedUser();
walletsC.idUser = user.idUsers;
walletsC.idWalletC = 1; // też sprzawdzam użytkonika a póżniej jego crytpo wallet
walletsC.idCrypto = crypto.idCrypto;
walletsC.quantity = walletQuantityTextBox.Text;
walletsC.sum = 0.ToString();
walletsC.idAlert = 1; // bede pewnie z gui bral dla alertu wzrostoego 1 a dla malejacego 2
walletsC2 = connectDb.readWalletsC(walletsC.idUser, walletsC.idWalletC, walletsC.idCrypto);
if (walletsC2.idCrypto != 0)
{
connectDb.deleteWalletsC(walletsC);
this.viewWalletTableAdapter1.Fill(this.finMarketsAppDBDataSet21.ViewWallet);
// this.viewWalletTableAdapter.Fill(this.finMarketsAppDBDataSet1.ViewWallet);
calculateWalletbalance();
refreshWallet();
try
{
if (walletDataGridView.CurrentRow.Index != -1)
{
walletNameTextBox.Text = walletDataGridView.CurrentRow.Cells[0].Value.ToString();
walletSymbolTextBox.Text = walletDataGridView.CurrentRow.Cells[1].Value.ToString();
walletPriceTextBox.Text = walletDataGridView.CurrentRow.Cells[2].Value.ToString();
walletQuantityTextBox.Text = walletDataGridView.CurrentRow.Cells[3].Value.ToString();
}
}
catch (Exception)
{
}
}
else
{
MessageBox.Show("You do not have this asset in your wallet", "Warning", MessageBoxButtons.OK,
MessageBoxIcon.Warning);
}
}
}
else
{
MessageBox.Show("Select asset to remowe", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
private void removeFromDBButton_Click(object sender, EventArgs e)
{
Cryptocurrencies crypto = new Cryptocurrencies();
crypto.Symbol = "'" + adminSymbolTextBox.Text + "'";
ConnectDB connectDb = new ConnectDB();
connectDb.deleteFromDB(crypto);
this.cryptocurrenciesTableAdapter.Fill(this.finMarketsAppDBDataSet.Cryptocurrencies);
}
public bool Save(Cryptocurrencies crypto)
{
string connectionString = @"Data Source=(localdb)\LocalDBKN;Initial Catalog=FinMarketsAppDB;Integrated Security=True;Connect Timeout=30;Encrypt=False;TrustServerCertificate=False;ApplicationIntent=ReadWrite;MultiSubnetFailover=False";
SqlConnection connection = new SqlConnection(connectionString);
connection.Open();
string query = @"INSERT INTO Cryptocurrencies VALUES (" + crypto.Name + "," + crypto.Symbol + "," + crypto.Price + "," + crypto.Change24h + "," + crypto.Change7d + ")";
SqlCommand command = new SqlCommand(query, connection);
command.ExecuteNonQuery();
connection.Close();
return(true);
}
public bool deleteFromDB(Cryptocurrencies crypto)
{
string connectionString = @"Data Source=(localdb)\LocalDBKN;Initial Catalog=FinMarketsAppDB;Integrated Security=True;Connect Timeout=30;Encrypt=False;TrustServerCertificate=False;ApplicationIntent=ReadWrite;MultiSubnetFailover=False";
SqlConnection connection = new SqlConnection(connectionString);
connection.Open();
string query = @"DELETE FROM Cryptocurrencies WHERE symbol = " + crypto.Symbol + "";
SqlCommand command = new SqlCommand(query, connection);
command.ExecuteNonQuery();
connection.Close();
return(true);
}
public bool Update(Cryptocurrencies crypto)
{
string connectionString = @"Data Source=(localdb)\LocalDBKN;Initial Catalog=FinMarketsAppDB;Integrated Security=True;Connect Timeout=30;Encrypt=False;TrustServerCertificate=False;ApplicationIntent=ReadWrite;MultiSubnetFailover=False";
SqlConnection connection = new SqlConnection(connectionString);
connection.Open();
string query = @"UPDATE Cryptocurrencies SET name = " + crypto.Name + ",price=" + crypto.Price + ",change7d=" + crypto.Change7d + ",change24h=" + crypto.Change24h + " WHERE symbol = " + crypto.Symbol + "";
//MessageBox.Show(query);
SqlCommand command = new SqlCommand(query, connection);
command.ExecuteNonQuery();
connection.Close();
return(true);
}
private void AddToWalletBtn_Click(object sender, EventArgs e)
{
Cryptocurrencies crypto = new Cryptocurrencies();
ConnectDB connectDb = new ConnectDB();
if (walletSymbolTextBox.Text != "" & walletNameTextBox.Text != "")
{
crypto = connectDb.Read(walletSymbolTextBox.Text); // to get crypto id from symbol Text Box
WalletsC walletsC = new WalletsC();
WalletsC walletsC2 = new WalletsC();
Users user = new Users();
user = connectDb.checkLoggedUser();
walletsC.idUser = user.idUsers;
walletsC.idWalletC = 1;
walletsC.idCrypto = crypto.idCrypto;
walletsC.priceWhenAdded = crypto.Price;
walletsC.price = crypto.Price;
walletsC.quantity = walletQuantityTextBox.Text;
float tempSum = Convert.ToSingle(walletsC.price) * Convert.ToSingle(walletsC.quantity);
walletsC.sum = tempSum.ToString();
walletsC.idAlert = 1;
walletsC.alertUp = alertUpTextBox.Text;
walletsC.alertDown = alertDownTextBox.Text;
walletsC2 = connectDb.readWalletsC(walletsC.idUser, walletsC.idWalletC, walletsC.idCrypto);
if (walletsC2.idCrypto != 0)
{
connectDb.updateWalletsC(walletsC, user);
}
else
{
connectDb.saveWalletsC(walletsC);
}
this.viewWalletTableAdapter1.Fill(this.finMarketsAppDBDataSet21.ViewWallet);
// this.viewWalletTableAdapter.Fill(this.finMarketsAppDBDataSet1.ViewWallet);
calculateWalletbalance();
refreshWallet();
}
}
public void cryptoGetData(int i, string response)
{
Cryptocurrencies crypto = new Cryptocurrencies();
int id = i;
string checkId = null;
dynamic jsonObj = JObject.Parse(response);
try
{
// checkId = jsonObj["data"]["" + id + ""].ToString();
checkId = jsonObj.SelectToken("$.data[" + id + "].id").ToString();
// MessageBox.Show(checkId);
}
catch (Exception e)
{
Console.WriteLine(e);
}
if (checkId != null)
{
int startIndex = 0;
int length = 4;
int priceLength = 7;
try
{
string cryptoName = jsonObj.SelectToken("$.data[" + id + "].name").ToString();
string cryptoSymbol = jsonObj.SelectToken("$.data[" + id + "].symbol").ToString();
string cryptoPrice = jsonObj.SelectToken("$.data[" + id + "].quote.USD.price").ToString().Substring(startIndex, priceLength);
string cryptoChange_24h = jsonObj.SelectToken("$.data[" + id + "].quote.USD.percent_change_24h").ToString().Substring(startIndex, length);
string cryptoChange_7d = jsonObj.SelectToken("$.data[" + id + "].quote.USD.percent_change_7d").ToString().Substring(startIndex, length);
// MessageBox.Show(cryptoName);
// MessageBox.Show(cryptoSymbol);
// MessageBox.Show(cryptoPrice);
// MessageBox.Show(cryptoChange_24h);
// MessageBox.Show(cryptoChange_7d);
ConnectDB connectDb = new ConnectDB();
crypto = connectDb.Read(cryptoSymbol); // check if currency already exist in db
if (crypto.Symbol == null)
{
crypto.Symbol = "'" + cryptoSymbol + "'";
crypto.Name = "'" + cryptoName + "'";
crypto.Price = "'" + cryptoPrice + "'";
crypto.Change24h = "'" + cryptoChange_24h + "'";
crypto.Change7d = "'" + cryptoChange_7d + "'";
connectDb.Save(crypto);
}
else
{
crypto.Symbol = "'" + cryptoSymbol + "'";
crypto.Name = "'" + cryptoName + "'";
crypto.Price = "'" + cryptoPrice + "'";
crypto.Change24h = "'" + cryptoChange_24h + "'";
crypto.Change7d = "'" + cryptoChange_7d + "'";
connectDb.Update(crypto);
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
}