mdl_settings->setting('invoice_logo')) {
return ' . 'uploads/' . $CI->mdl_settings->setting('invoice_logo') . ')
';
}
return '';
}
/**
* Returns the invoice logo for PDF files
*
* @return string
*/
function invoice_logo_pdf()
{
$CI = &get_instance();
if ($CI->mdl_settings->setting('invoice_logo')) {
return ' . '/uploads/' . $CI->mdl_settings->setting('invoice_logo') . ')
';
}
return '';
}
/**
* Returns a Swiss IS / IS+ code line
* Documentation: https://www.postfinance.ch/binp/postfinance/public/dam.M26m_i6_6ceYcN2XtAN4w8OHMynQG7FKxJVK8TtQzr0.spool/content/dam/pf/de/doc/consult/manual/dlserv/inpayslip_isr_man_en.pdf
*
* @param string $slipType
* @param $amount
* @param string $rnumb
* @param $subNumb
* @return string
* @throws Error
*/
function invoice_genCodeline($slipType, $amount, $rnumb, $subNumb)
{
$isEur = false;
if ((int)$slipType > 14) {
$isEur = true;
} else {
$amount = .5 * round((float)$amount / .5, 1);
}
if (!$isEur && $amount > 99999999.95) {
throw new Error("Invalid amount");
} elseif ($isEur && $amount > 99999999.99) {
throw new Error("Invalid amount");
}
$amountLine = sprintf("%010d", $amount * 100);
$checkSlAmount = invoice_recMod10($slipType . $amountLine);
if (!preg_match("/\d{2}-\d{1,6}-\d{1}/", $subNumb)) {
throw new Error("Invalid subscriber number");
}
$subNumb = explode("-", $subNumb);
$fullSub = $subNumb[0] . sprintf("%06d", $subNumb[1]) . $subNumb[2];
$rnumb = preg_replace('/\s+/', '', $rnumb);
return $slipType . $amountLine . $checkSlAmount . ">" . $rnumb . "+ " . $fullSub . ">";
}
/**
* Calculate checksum using Recursive Mod10
* See https://www.postfinance.ch/binp/postfinance/public/dam.Ii-X5NgtAixO8cQPvja46blV6d7cZCyGUscxO15L5S8.spool/content/dam/pf/de/doc/consult/manual/dldata/efin_recdescr_man_en.pdf
* Page 5
*
* @param string $in
* @return integer
*/
function invoice_recMod10($in)
{
$line = [0, 9, 4, 6, 8, 2, 7, 1, 3, 5];
$carry = 0;
$chars = str_split($in);
foreach ($chars as $char) {
$carry = $line[($carry + intval($char)) % 10];
}
return (10 - $carry) % 10;
}