<?php
class Transaction extends AppModel {

	var $name = 'Transaction';

	var $validate = array(
		'stamp' => array('date')
	);

	var $belongsTo = array(
	);

	var $hasMany = array(
		'LedgerEntry',
	);


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * function: addInvoice
   *  - Adds a new invoice transaction
   */

  function addInvoice($data, $customer_id, $lease_id = null) {
    // Create some models for convenience
    $A = new Account();

    //pr(compact('data', 'customer_id', 'lease_id'));

    // Assume this will succeed
    $ret = true;

    // Determine the total charges on the invoice
    $grand_total = 0;
    foreach ($data['LedgerEntry'] AS $entry)
      $grand_total += $entry['amount'];

    $ids = $this->LedgerEntry->Ledger->Account->postLedgerEntry
      (array_intersect_key($data, array('Transaction'=>1, 'transaction_id'=>1)),
       null,
       array('debit_ledger_id' => $A->currentLedgerID($A->accountReceivableAccountID()),
	     'credit_ledger_id' => $A->currentLedgerID($A->invoiceAccountID()),
	     'customer_id' => $customer_id,
	     'lease_id' => $lease_id,
	     'amount' => $grand_total));
    $ar_entry_id = $ids['id'];

    // Go through the entered charges
    $invoice_transaction = array_intersect_key($data, array('Transaction'=>1, 'transaction_id'=>1));
    foreach ($data['LedgerEntry'] AS $entry) {
      //pr(compact('entry'));
      // Create the receipt entry, and reconcile the credit side
      // of the double-entry (which should be A/R) as a payment.
      $ids = $this->LedgerEntry->Ledger->Account->postLedgerEntry
	($invoice_transaction,
	 array_intersect_key($entry, array('MonetarySource'=>1))
	 + array_intersect_key($entry, array('account_id'=>1)),
	 array('debit_ledger_id' => $A->currentLedgerID($A->invoiceAccountID()),
	       'credit_ledger_id' => $A->currentLedgerID($entry['account_id']),
	       'customer_id' => $customer_id,
	       'lease_id' => $lease_id)
	 + $entry,
	 array('debit' => array(array('LedgerEntry' => array('id' => $ar_entry_id,
							     'amount' => $entry['amount']))))
	 );

      if ($ids['error'])
	$ret = false;

      $invoice_transaction = array_intersect_key($ids, array('transaction_id'=>1));
    }

    return $ret;
  }


  /**************************************************************************
   **************************************************************************
   **************************************************************************
   * function: addReceipt
   *  - Adds a new receipt transaction
   */

  function addReceipt($data, $customer_id, $lease_id = null) {
    // Create some models for convenience
    $A = new Account();

    // Assume this will succeed
    $ret = true;

    // Go through the entered payments
    $receipt_transaction = array_intersect_key($data, array('Transaction'=>1, 'transaction_id'=>1));
    foreach ($data['LedgerEntry'] AS $entry) {
      // Create the receipt entry, and reconcile the credit side
      // of the double-entry (which should be A/R) as a payment.
      $ids = $this->LedgerEntry->Ledger->Account->postLedgerEntry
	($receipt_transaction,
	 array_intersect_key($entry, array('MonetarySource'=>1))
	 + array_intersect_key($entry, array('account_id'=>1)),
	 array('debit_ledger_id' => $A->currentLedgerID($entry['account_id']),
	       'credit_ledger_id' => $A->currentLedgerID($A->receiptAccountID()),
	       'customer_id' => $customer_id,
	       'lease_id' => $lease_id)
	 + $entry,
	 'receipt');

      if ($ids['error'])
	$ret = false;

      $receipt_transaction = array_intersect_key($ids, array('transaction_id'=>1));
    }

    return $ret;
  }

}
?>