/**
* Method to populate line items for this invoice
*
* This method will populate all line items for this
* invoice by calling the getInvoiceLines method on the
* {@link SI_InvoiceLine} class with this invoice's $id
* as the parameter.
*
* @access private
* @see getLastError()
* @see $_lines
* @see SI_InvoiceLine::getInvoiceLines()
* @return TRUE|FALSE TRUE on success or FALSE on error
*/
function _populateLines(){
$il = new SI_InvoiceLine();
$result = $il->getInvoiceLines($this->id);
if($result === FALSE){
$this->error = "SI_Invoice::_populateLines(): Error getting invoice lines: ".$il->getLastError()."\n";
return FALSE;
}
$this->_lines = $result;
return TRUE;
}
// Clean up unit_price
if(!empty($_POST['unit_price'])){
$_POST['unit_price'] = preg_replace('/[^0-9\.-]/','',$_POST['unit_price']);
}
// Prepare our variables
$line_added = false;
if($_REQUEST['mode'] == 'add_ta_link' || $_REQUEST['mode'] == 'add_sp_link' ||
$_REQUEST['mode'] == 'add_ex_link' || $_REQUEST['mode'] == 'delete_link' ||
$_REQUEST['mode'] == 'edit' || $_REQUEST['mode'] == 'delete'){
if($_REQUEST['mode'] != 'delete' && intval($_REQUEST['id']) == 0 && intval($_REQUEST['invoice_id']) != 0){
// We must be adding
$line->invoice_id = $_REQUEST['invoice_id'];
if($line->add() === FALSE){
$error_msg .= "Error adding new line item to invoice!";
debug_message($line->getLastError());
}
$_REQUEST['id'] = $line->id;
$line_added = true;
}elseif(intval($_REQUEST['id']) == 0 && intval($_REQUEST['invoice_id']) == 0){
fatal_error('You must provide an invoice id when adding a new line!');
}
if($line->get($_REQUEST['id']) === FALSE){
$error_msg .= "Error getting invoice line";
debug_message($line->getLastError());
}
$invoice = $line->getInvoice();
if($invoice === FALSE){
$error_msg .= "Error retreiving invoice information!\n";
