///<summary>
///Inserts items into Product table while checking for duplicates
///</summary>
public static void InsertIntoTable(params ItemDisc[] id)
{
if (!CommBase.IsIntialized)
{
CommBase.Intialize();
}
command.Connection = CommBase.connection;
ItemDisc[] Items = Receiver.ReadFromProduct("SELECT * FROM Product;");
foreach (ItemDisc i in id)
{
bool FoundDublicate = false;
foreach (ItemDisc j in Items)
{
if (i.name == j.name)
{
FoundDublicate = true;
ExecuteNoReturn("UPDATE Product SET quantity = quantity + " + i.Quantity + " WHERE id = " + j.ID + ";");
break;
}
}
if (!FoundDublicate)
{
command.CommandText = "INSERT INTO Product (name , price , quantity , type) Values('" + i.name + "', " + i.price + ", " + i.Quantity + ", '" + i.Type + "');";
command.ExecuteNonQuery();
}
}
}
public static ItemDisc[] GetOrdersOf(string UserName)
{
if (!CommBase.IsIntialized)
{
CommBase.Intialize();
}
command.Connection = CommBase.connection;
command.CommandText = "SELECT * FROM Orders WHERE username = '******';";
reader = command.ExecuteReader();
List <ItemDisc> IDList = new List <ItemDisc>();
while (reader.Read())
{
ItemDisc i;
i.ID = (int)reader["ProductID"];
i.name = (string)reader["name"];
i.price = (float)reader["price"];
i.Quantity = (int)reader["quantity"];
i.Type = (string)reader["type"];
i.delivered = (bool)reader["delivered"];
i.manfacture = " ";
IDList.Add(i);
}
reader.Close();
return(IDList.ToArray());
}
///<summary>
///returns products from Product table according to the query specified via the ItemDisc struct
///</summary>
public static ItemDisc[] ReadFromProduct(string Query)
{
if (!CommBase.IsIntialized)
{
CommBase.Intialize();
}
command.Connection = CommBase.connection;
command.CommandText = Query;
reader = command.ExecuteReader();
List <ItemDisc> IDlist = new List <ItemDisc>();
while (reader.Read())
{
ItemDisc i;
i.ID = (int)reader["id"];
i.name = (string)reader["name"];
i.price = (float)reader["price"];
i.Quantity = (int)reader["quantity"];
i.Type = (string)reader["type"];
i.manfacture = " ";
i.delivered = false;
IDlist.Add(i);
}
reader.Close();
return(IDlist.ToArray());
}
///<summary>
///Execute a query that doesn't return anything
///</summary>
public static void ExecuteNoReturn(string Query)
{
if (!CommBase.IsIntialized)
{
CommBase.Intialize();
}
command.Connection = CommBase.connection;
command.CommandText = Query;
command.ExecuteNonQuery();
}
///<summary>
///registers a user , returns false if username already exists
///</summary>
public static bool CheckUser(User user)
{
if (!CommBase.IsIntialized)
{
CommBase.Intialize();
}
command.Connection = CommBase.connection;
User[] AllUsers = Receiver.ReadFromAccounts("SELECT * FROM Accounts;");
foreach (User i in AllUsers)
{
if (i.Username == user.Username)
{
return(false);
}
}
return(true);
}
///<summary>
///returns users from Accounts table according to the query specified via User struct
///</summary>
public static User[] ReadFromAccounts(string Query)
{
if (!CommBase.IsIntialized)
{
CommBase.Intialize();
}
command.Connection = CommBase.connection;
command.CommandText = Query;
reader = command.ExecuteReader();
List <User> Userlist = new List <User>();
while (reader.Read())
{
User i;
i.ID = (int)reader["id"];
i.Username = (string)reader["username"];
i.Password = (string)reader["password"];
i.process = new Marketing();
Userlist.Add(i);
}
reader.Close();
return(Userlist.ToArray());
}
