//************************************************************************************************************************************************
public static void ReWriteBankLinkedList( )
//************************************************************************************************************************************************
{
// iterate thru bankaccount objects and add threm to our linkedList
string dir = BankAccount.ReadBankFilePath( );
string[] files = System.IO.Directory.GetFiles(dir, "*.bnk");
// iterate thru all the files on disk, startinmg at 1
// Iterate trhu them and handle as required
int count = 0;
foreach (var fi in files)
{
bool result = fi.Contains("BankObject");
if (!result)
{
continue;
}
{
using
BankAccount B = (BankAccount)SerializeData.ReadBankAccountFromDisk(fi);
// As we have red it in, we need to delete it so we do not
// duplicate it when saving all files at end of a user sessoin.
if (B != null)
{
BankAccount.BankAccountsLinkedList.AddLast(B); // Add this one to our linked list of customers.
BankTransaction newbankaccount = new BankTransaction(B.DateOpened, B.AccountType, B.CustAccountNumber,
B.BankAccountNumber, B.Balance, "Customer account updated successfuly", B.Status);
BankTransaction.allBankTransactions.AddLast(newbankaccount);
}
count++;
}
}
// save linked list to disk in text format
Lists.SaveAllBankAccountListData( );
}
// Save the new customer data as an Object and add it to the Customer List
// plus create a BankAccount object and add it to the BankAccount List
// and add a bak transaction
//*************************************************************************************************************************************************//
private void SaveBankButton_Click(object sender, EventArgs e)
//*************************************************************************************************************************************************//
{
if (AccountNo.Text.Length == 0 || AccountBalance.Text.Length == 0 || Interest.Text.Length == 0 || OpenDate.Text.Length == 0 || fname.Text.Length == 0 ||
lname.Text.Length == 0 || day.Text.Length == 0 || month.Text.Length == 0 || year.Text.Length == 0)
{
MessageBox.Show("One or more fields are empty, All fields must be populated", "User Input Error");
return;
}
Int16 type = 0;
if (AccountType.Text.Contains("Normal"))
{
type = 1;
}
if (AccountType.Text.Contains("Savings"))
{
type = 2;
}
if (AccountType.Text.Contains("Deposit"))
{
type = 3;
}
if (AccountType.Text.Contains("Business"))
{
type = 4;
}
//====================BANK ACCOUNT ========================================
// READ BANK OBJECT FROM DISK and update it
// Bank should be valid as it is a global in this file ?
if (allbankaccounts.SelectedIndex == -1)
{
MessageBox.Show("The Bank Account list does not appear to have an item selected\nWe No data has been changed, but we are UNABLE to continue with update...", "Database system ERROR");
return;
}
string target = allbankaccounts.Items[allbankaccounts.SelectedIndex].ToString();
char[] ch = { '\t' };
char[] dashch = { '-' };
string[] tempacno = target.Split(ch);
Int32 accountno = Convert.ToInt32(tempacno[0]);
Bank = Search.FindBankObjectfromBankNo(accountno);
int actype = Convert.ToInt16(AccountType.SelectedIndex + 1);
string actypeselected = AccountType.SelectedItem.ToString();
string[] newselaccount = actypeselected.Split(dashch);
if (newselaccount[0] != tempacno[1])
{ // the type of account has been changed - handle it
for (int i = 0; i < allbankaccounts.Items.Count; i++)
{
string temp = "";
temp = allbankaccounts.Items[i].ToString();
string[] thisentry = temp.Split(ch);
if (thisentry[0] == tempacno[0] && thisentry[1] != newselaccount[0])
{
listupdateneeded = false; //This simply avoids the auto update of the listbox, set back to true afterwards
allbankaccounts.Items.RemoveAt(i);
temp = Bank.BankAccountNumber.ToString() + "\t" + actype.ToString();
allbankaccounts.Items.Add(temp);
allbankaccounts.SelectedIndex = i;
listupdateneeded = true;
break;
}
}
}
// Thkis call sends Event data to Bankaccount.cs so the handlers can handle it
// cos we cannot call them directly in BankAccount.cs
BankAccount.SendBankEventData(Bank, "BANKACCOUNT MODIFIED");
// we need to delete the old account and insert the new details in our ArrayList
int index = DataArray.ArrayFindBank(Bank);
DataArray.BankNo.RemoveAt(index);
BankAccount.BankDict.Remove(index);
Bank.Balance = Convert.ToDecimal(AccountBalance.Text);
Bank.InterestRate = Convert.ToDecimal(Interest.Text);
Bank.DateOpened = Convert.ToDateTime(OpenDate.Text);
Bank.AccountType = Convert.ToInt16(actype);
//SAVE BANK OBJECT BACK TO DISK
SerializeData.WriteBankAccountToDiskAndText(Bank, Bank.FullFileName);
DataArray.ArrayAddBank(Bank);
if (BankAccount.BankDict != null)
{
if (!BankAccount.BankDict.ContainsKey(Bank.BankAccountNumber))
{
BankAccount.BankDict.Add(Bank.BankAccountNumber, Bank);
}
} // handle the Linkedlist as well
// CREATE A NEW BANK TRANSACTION
BankTransaction newbankaccount = new BankTransaction();
newbankaccount.TransDate = DateTime.Now;
newbankaccount.AccountType = Bank.AccountType;
newbankaccount.CustAccountNumber = Bank.CustAccountNumber;
newbankaccount.BankAccountNumber = Bank.BankAccountNumber;
newbankaccount.Transamount = Bank.Balance;
newbankaccount.Notes = "Opening Balance";
newbankaccount.Status = Bank.Status;
BankTransaction.allBankTransactions.AddLast(newbankaccount);
//Update the Customer HASH TABLE
CustomerBalanceHashTable.UpdateCustBalHashTable(Bank.CustAccountNumber.ToString(), Bank.Balance);
//NOW UPDATE CUSTOMER RECORD
Cust = Customer.GetCustomerAccount(Bank.CustAccountNumber.ToString());
if (Cust == null)
{
MessageBox.Show("Unable to find the Customer Record from LinkedList", "Database system ERROR"); return;
}
else
{
// we need to delete the old Customer account and insert the new details in our ArrayList
int indx = DataArray.ArrayFindCust(Cust);
DataArray.CustNo.RemoveAt(indx);
Customer.CustDict.Remove(indx);
// Now update the Customer record so we can add it to the array
Cust.FirstName = fname.Text;
Cust.LastName = lname.Text;
Cust.DOB = Convert.ToDateTime(day.Text + "/" + month.Text + "/" + year.Text);
if (Cust.accountnums[0] == Convert.ToInt32(Bank.BankAccountNumber))
{
Cust.accounttypes[0] = type;
}
else if (Cust.accountnums[1] == Convert.ToInt32(Bank.BankAccountNumber))
{
Cust.accounttypes[1] = type;
}
else if (Cust.accountnums[2] == Convert.ToInt32(Bank.BankAccountNumber))
{
Cust.accounttypes[2] = type;
}
else if (Cust.accountnums[3] == Convert.ToInt32(Bank.BankAccountNumber))
{
Cust.accounttypes[3] = type;
}
Cust.Address1 = addr1.Text;
Cust.Address2 = addr2.Text;
Cust.Town = town.Text;
Cust.County = county.Text;
Cust.PostCode = postcode.Text;
Cust.PhoneNumber = phone.Text;
Cust.MobileNumber = mobile.Text;
// SAVE CUSTOMER OBJECT BACK TO DISK
Customer.WriteCustObjectToDiskAndText(Cust, Cust.FullFileName);
try
{ // update Customer Linked List & ArrayList
Customer.CustomersLinkedList.Remove(Cust);
Customer.CustomersLinkedList.AddLast(Cust);
// save our Customer LinkedList to disk as binary and txt files
Lists.SaveAllCustomerListData(Customer.CustomerFilePath + "CustSortedListData.cust");
DataArray.ArrayAddCust(Cust);
if (Customer.CustDict != null)
{
if (!Customer.CustDict.ContainsKey(Cust.CustomerNumber))
{
Customer.CustDict.Add(Cust.CustomerNumber, Cust);
}
}
}
catch { new Exception("Customer Linked List coukld not be updated in bankaccountEdit.cs cline 103"); }
}
MessageBox.Show("Bank & Customer accounts have been updated successfully...,", "Bank account Edit Facility");
}
//=========================================================================//
//EXTERNAL
public Int16 LoadArraysFromDisk(out int Bcount, out int Ccount)
//=========================================================================//
{
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// We iterate through all Bank .BNK files cos we can also read the relevant
// Customer # from it, and then load that to the Customer array - Clever eh ?
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
Int16 count = 0;
Bcount = 0;
Ccount = 0;
Int32[] custno = new int[100];
int custcount = 0;
bool duplicated = false;
// start with BankAccounts
string dir = BankAccount.ReadBankFilePath();
string dir2 = Customer.GetCustFilePath();
string[] bankfiles = System.IO.Directory.GetFiles(dir, "Bankobject*.bnk");
// initilaize our check array
for (int i = 0; i < 100; i++)
{
custno[i] = 0;
}
// Iterate trhu them and handle as required
foreach (var fi in bankfiles)
{
bool result = fi.Contains("BankObject");
if (result)
{
// Got a bank account object
BankAccount B = (BankAccount)SerializeData.ReadBankAccountFromDisk(fi);
if (B != null)
{
DataArray.ArrayAddBank(B); // Add to bank ArrayList
if (BankAccount.BankDict != null)
{
if (!BankAccount.BankDict.ContainsKey(B.BankAccountNumber))
{
BankAccount.BankDict.Add(B.BankAccountNumber, B);
}
}
Bcount++;
BankAccount.BankAccountsLinkedList.AddLast(B);
Customer C = (Customer)SerializeData.ReadCustomerDiskObject(dir2 + "Custobj" + B.CustAccountNumber + ".cust");
if (C != null)
{
// add to our test array
// check to see if it has been added before ?
for (int i = 0; i < custcount; i++)
{
if (custno[i] == C.CustomerNumber)
{
duplicated = true;
break;
}
}
custno[custcount++] = C.CustomerNumber;
if (!duplicated)
{
DataArray.ArrayAddCust(C); // The one and only Customer ArrayList addition in this Fn()
if (Customer.CustDict != null)
{
if (!Customer.CustDict.ContainsKey(C.CustomerNumber))
{
Customer.CustDict.Add(C.CustomerNumber, C);
}
}
Ccount++;
Customer.CustomersLinkedList.AddLast(C);
}
/* // Handle multiple a/c's held by this customer
* if ( C . accountnums [ 1 ] != 0 )
* {
* BankAccount Bk = ( BankAccount ) SerializeData . ReadBankAccountFromDisk ( dir + "Bankobject" + C . accountnums [ 1 ] + ".bnk" );
* DataArray . ArrayAddBank ( Bk );// Add to bank ArrayList
* Bcount++;
* Bk . Dispose ( );
* }
* if ( C . accountnums [ 2 ] != 0 )
* {
* BankAccount Bk = ( BankAccount ) SerializeData . ReadBankAccountFromDisk ( dir + "Bankobject" + C . accountnums [ 2 ] + ".bnk" );
* DataArray . ArrayAddBank ( Bk );// Add to bank ArrayList
* Bcount++;
* Bk . Dispose ( );
* }
* if ( C . accountnums [ 3 ] != 0 )
* {
* BankAccount Bk = ( BankAccount ) SerializeData . ReadBankAccountFromDisk ( dir + "Bankobject" + C . accountnums [ 3 ] + ".bnk" );
* DataArray . ArrayAddBank ( Bk );// Add to bank ArrayList
* Bcount++;
* Bk . Dispose ( );
* }
*/
// if (C != null)
// C.Dispose();
}
// if (B != null)
// B.Dispose();
}
count++;
}
}
// save our Customer LinkedList to disk as binary and txt files
Lists.SaveAllCustomerListData(Customer.CustomerFilePath + "CustSortedListData.cust");
// sort the arrays in Ascending v0 - 9
SortArray.SortBankArray(0);
return(count);
}
//****************************************************************************************************************************
// this handles making a deposit call. creating the unique a/c #...
// and creates a transaction record, and adds it to the linkedlist
//**********************************************************************************************************//
public static BankAccount CreateNewBankAccount(BankAccount bank, string CustNo, Int16 accounttype, decimal amount, decimal interest, string reason = "")
//**********************************************************************************************************//
{
// create unique account number and set it in the account.
bank.BankAccountNumber = GetBankAccountNumberSeed();// this post increments it's value internally
bank.CustAccountNumber = Convert.ToInt32(CustNo);
bank.Balance = amount;
bank.AccountType = accounttype;
bank.DateOpened = DateTime.Today.Date;
bank.InterestRate = interest;
//
//This call increments the file numbering seed data
bank.FileName = "BankObject" + bank.BankAccountNumber + ".bnk";
// add full filename to the object
bank.FullFileName = BankAccount.ReadBankFilePath() + bank.FileName;
//This call increments the total banks seed data
// Even though we do NOT need its content here.
IncrementTotalBanks();
// Ensure we save the file to disk for the Bank object itself
SerializeData.WriteBankAccountToDiskAndText(bank, bank.FullFileName);
BankTransaction newbankaccount = new BankTransaction();
newbankaccount.TransDate = DateTime.Now;
newbankaccount.AccountType = bank.AccountType;
newbankaccount.CustAccountNumber = bank.CustAccountNumber;
newbankaccount.BankAccountNumber = bank.BankAccountNumber;
newbankaccount.Transamount = (decimal)bank.Balance;
if (reason == "")
{
newbankaccount.Notes = "Opening Balance";
}
else
{
if (reason.Contains("Secondary Bank account for Customer"))
{
reason += bank.BankAccountNumber.ToString();
}
newbankaccount.Notes = reason;
}
newbankaccount.Status = bank.Status;
// Add a transaction record
BankTransaction.allBankTransactions.AddLast(newbankaccount);
BankAccountsLinkedList.AddLast(bank);
DataArray.ArrayAddBank(bank);
// Update our new Dictionary system
if (BankAccount.BankDict != null)
{
if (!BankAccount.BankDict.ContainsKey(bank.BankAccountNumber))
{
BankAccount.BankDict.Add(bank.BankAccountNumber, bank);
}
}
// This saves the bank LinkedList to both an object file and a Text file
Lists.SaveAllBankAccountListData();
//Add data ot our TWO hash tables
// First the Customer hash tables
try
{
if (CustomerBalanceHashTable.FindHashCustBalEntry(bank.CustAccountNumber.ToString()))
{
CustomerBalanceHashTable.DeleteHashCustBalEntry(bank.CustAccountNumber.ToString());
}
CustomerBalanceHashTable.AddHashCustBalEntry(bank.CustAccountNumber.ToString(), bank.Balance);
if (CustomerFileHashTable.CustFileNoHashTable.ContainsKey(bank.CustAccountNumber))
{
CustomerFileHashTable.CustFileNoHashTable.Remove(bank.CustAccountNumber.ToString());
}
CustomerFileHashTable.CustFileNoHashTable.Add(bank.CustAccountNumber.ToString(), bank.FullFileName.ToString());
}
catch
{
}
BankArrayChangedEvent?.Invoke(bank, "NEW BANKACCOUNT");
return(bank);
}
//======================================================================
private void rewrite_Click(object sender, EventArgs e)
//======================================================================
{
string output = "";
if (notes.Text == "" || AccountNumber.Text == "" || AccountBalance.Text == "" || OpenDate.Text == "" || Interest.Text == "" || custno.Text == "")
{
MessageBox.Show("One or more data items are Empty - All fields must be completed before saving it ..." +
"\nRecommeded action is to use the DropDown list to reselect a valid Bank Account", "Data Validation ERROR");
info.Text = "One or more data items are Empty - All fields must be completed before saving it ..."; return;
}
string stat;
if (status.Text == "Active")
{
stat = "1";
}
else
{
stat = "0";
}
int type = AccountType.SelectedIndex + 1;
// format is "Bank A/c # + "," + Customer A/c # + "," + A/c Type + "," + Balance + "," + Date Opened (short) + "," + Date Closed (short) + "," + Interest + "," + Status (0/1)+ "\r\n"
output = AccountNumber.Text + "," + custno.Text + "," + type.ToString() + "," + AccountBalance.Text + ",";
output += Convert.ToDateTime(OpenDate.Text).ToShortDateString() + "," + Convert.ToDateTime("01/01/0001").ToShortDateString() + "," + Interest.Text;
output += "," + stat + "\r\n";
string path = BankAccount.ReadBankFilePath();
path += "Textfiles\\BankObject" + AccountNumber.Text + ".txt";
if (File.Exists(path))
{
File.Delete(path); // you gotta delete them first, else it appends the data constantly
}
File.AppendAllText(path, output);
// update the bank object
path = BankAccount.ReadBankFilePath();
path += "Bankobject" + AccountNumber.Text + ".bnk";
// read the bank a/c in fresh from disk so it is clean
BankAccount Bank = SerializeData.ReadBankAccountFromDisk(path);
if (Bank == null)
{
MessageBox.Show("Bank Account Object file cannot be loaded (or saved)!", "Bank Object Error"); return;
}
Int32 bankno = Bank.BankAccountNumber;
// update the Bank object
Bank.AccountType = Convert.ToInt16(AccountType.SelectedIndex);
Bank.AccountType++;// cos th reindex starts at ZERO !!
Bank.Balance = Convert.ToDecimal(AccountBalance.Text);
Bank.InterestRate = Convert.ToDecimal(Interest.Text);
string banknostring = Bank.BankAccountNumber.ToString();
//Update the version in Bank Array
int index = DataArray.ArrayFindBank(Bank);
DataArray.BankNo[index] = Bank;
// Update the version in our Bank LinkedList
foreach (var B in BankAccount.BankAccountsLinkedList)
{
if (B.BankAccountNumber == bankno)
{ // got it, rpelace with our new one
BankAccount.BankAccountsLinkedList.Remove(B);
BankAccount.BankAccountsLinkedList.AddLast(Bank);
break;
}
}
// This saves the bank LinkedList to both an object file and a Text file
Lists.SaveAllBankAccountListData();
// write theBank object to disk
SerializeData.WriteBankAccountToDiskAndText(Bank, path);
// Add a bank Transaction
BankTransaction newbankaccount = new BankTransaction(Bank.DateOpened, Bank.AccountType, Bank.CustAccountNumber,
Bank.BankAccountNumber, Bank.Balance, "Bank details edited from Textfile input", Bank.Status);
BankTransaction.allBankTransactions.AddLast(newbankaccount);
// that's it ***ALL***all Bank Data structures have been updated
info.Text = "Bank Account data has been fully updated throughout System";
}
public static int RebuildBankListsFromText( )
{
int count = 0;
string fi = BankAccount.ReadBankFilePath( ) + "Textfiles\\BankAccountListData.txt";
if (File.Exists(fi))
{
string input = File.ReadAllText(fi); // you gotta delete them first, else it appends the data constantly
char[] ch1 = { '\r' };
char[] ch2 = { ',' };
// char [ ] ch3 = { '~' };
string[] record = input.Split(ch1);
string[] BAccts;
DataArray.ArrayClearBank( );
BankAccount.BankAccountsLinkedList.Clear( );
// record now has an array of strings that were split on \t
// this means we should have at least one, possibly multiple B.Accs in the last element
// iterate through and split these out of record into string[] Item2
for (int i = 0; i < record.Length; i++)
{
string str = record[i];
//This should give us x strings,, the first one can be ignored
//, the rest will be bank account numbers cos the format is "xxxxxx,xxxx,yyyy,~4455554544~65645
// and we are after the data immediately past the first ~
string[] Item2 = str.Split(ch2);
// check. The plit always gives us ~ONE element, even though it is empty
if (Item2.Length == 1 && Item2[0].Length == 0)
{
break; // Were all done here
}
BAccts = Item2[7].Split('~');
// go get em (one or more B Accts in a BAccts[] string[]
if (BAccts.Length > 1)
{ // got one or more - do something with them ?
}
//Baacts MAY contain a leading EMPTY string, so beware
// by here , we have an array of strings of Bank accounts owned by this customer. ?
for (int x = 0; x < record.Length; x++)
{
// get a string from string[] array Item1[]
BankAccount B = new BankAccount( );
if (B != null)
{
B.AccountType = Convert.ToInt16(Item2[x]);
B.CustAccountNumber = Convert.ToInt32(Item2[x + 1]);
B.BankAccountNumber = Convert.ToInt32(Item2[x + 2]);
B.Balance = Convert.ToDecimal(Item2[x + 3]);
B.DateClosed = Convert.ToDateTime(Item2[x + 4]);
B.InterestRate = Convert.ToDecimal(Item2[x + 6]);
// We dont seem to save this ?????
B.Status = 1;
BankAccount.BankAccountsLinkedList.AddLast(B); // Add this one to our linked list of customers.
DataArray.ArrayAddBank(B);
if (BankAccount.BankDict != null)
{
if (!BankAccount.BankDict.ContainsKey(B.BankAccountNumber))
{
BankAccount.BankDict.Add(B.BankAccountNumber, B);
}
}
SerializeData.WriteBankAccountToDiskAndText(B, fi);
count++;
break;
}
}
// save linked list to disk in text format
Lists.SaveAllBankAccountListData( );
}
}
return(count);
}