bardecoder/src/HIBCSecondaryDataDecoder.php at main · brixion/bardecoder · GitHub

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<?php

namespace Brixion\Bardecoder;

/**

* Class UdiDecoder.

* probably wrong

* +primary_data/[0-9]julian_date

* +primary_data/$[a-zA-Z0-9](lot||serial)

* +primary_data/$+[a-zA-Z0-9]serial <- backwads compatible

* +primary_data/$$[0-9]expiry_date/lot/

class HIBCSecondaryDataDecoder

{

private UdiDecoder $decoder;

public function __construct(UdiDecoder &$decoder)

{

$this->decoder = $decoder;

if (empty($this->decoder->secondary_parts)) {

throw new \Exception('No secondary data found');

}

foreach ($this->decoder->secondary_parts as $part) {

// part is too short or empty to be valid

if (!\is_string($part) || \strlen($part) < 2) {

continue;

}

// Remove illegal + character

if ('+' == $part[0]) {

$part = substr($part, 1);

}

// $$[0-9] -> date field

if (preg_match('/^\$\$[0-9]/', $part)) {

$this->handleDateField($part);

} elseif ('$+' == substr($part, 0, 2)) {

// This is a serial but we save it as a lot

$this->decoder->lot = substr($part, 2);

} elseif ('$' == $part[0]) {

$this->decoder->lot = substr($part, 1);

} elseif ('16D' == substr($part, 0, 3)) {

$this->decoder->date_of_manufacture = $this->getDateFromYYYYMMDD(substr($part, 3));

} elseif ('14D' == substr($part, 0, 3)) {

$this->decoder->expiry_date = $this->getDateFromYYYYMMDD(substr($part, 3));

} elseif ('S' == substr($part, 0, 1)) {

$this->decoder->serial_number = substr($part, 1);

}

public function getDateFromYYYYMMDD($date)

{

return substr($date, 0, 4).'-'.substr($date, 4, 2).'-'.substr($date, 6, 2);

}

public function handleDateField($part)

{

$this->decoder->serial_number = null;

switch ($part[2]) {

case '0':

// MMYY format, followed by lot

$mm = substr($part, 3, 2);

$yy = substr($part, 5, 2);

$max_day = date('t', strtotime($mm.'-'.$yy));

$this->decoder->expiry_date = "20$yy-$mm-$max_day";

$this->decoder->lot = substr($part, 8);

// no break

case '1':

// first day of month, date in MMYY format

$date = substr($part, 2, 4);

$month = substr($date, 0, 2);

$year = '20'.substr($date, 2, 2);

$last_day = date('t', strtotime($year.'-'.$month.'-01'));

$this->decoder->expiry_date = "$year-$month-$last_day";

$this->decoder->lot = substr($part, 6);

break;

case '2':

// MMDDYY format

$date = substr($part, 3, 6);

$year = '20'.substr($date, 4, 2);

$month = substr($date, 0, 2);

$day = substr($date, 2, 2);

$this->decoder->expiry_date = "$year-$month-$day";

$this->decoder->lot = substr($part, 9);

break;

case '3':

// YYMMDD format

$year = '20'.substr($part, 3, 2);

$month = substr($part, 5, 2);

$day = substr($part, 7, 2);

$this->decoder->expiry_date = "$year-$month-$day";

$this->decoder->lot = substr($part, 9);

break;

case '4':

// YYMMDDHH format

$year = '20'.substr($part, 3, 2);

$month = substr($part, 7, 2);

$day = substr($part, 5, 2);

$hour = substr($part, 9, 2);

$lot = substr($part, 11);

$this->decoder->expiry_date = "$year-$month-$day $hour";

$this->decoder->lot = $lot;

break;

case '5':

// YYJJJ julian date format

$this->decoder->expiry_date = $this->julianToDate(substr($part, 3, 5));

$this->decoder->lot = substr($part, 8);

break;

case '6':

// YYJJJHH julian date format

$this->decoder->expiry_date = jdtojulian((int) substr($part, 3, 5)).' '.substr($part, 9, 2);

$this->decoder->lot = substr($part, 10);

break;

case '7':

// expiry_date is null, lot follows

$this->decoder->expiry_date = null;

$this->decoder->lot = substr($part, 3);

break;

case '8':

case '9':

$this->handleLegacyQuantity($part);

break;

default:

throw new \Exception("Unknown date format: $part");

}

public function julianToDate($part)

{

if (5 != \strlen($part)) {

throw new \Exception('First part is a julian date, but is not 5 characters long');

}

// get the first 2 characters from $part for the year, rest is days

$year = '20'.substr($part, 0, 2);

$julian_date = ((int) substr($part, 2)) - 1;

// use the year and the number of days to calculate date

return date('Y-m-d', strtotime("$year-01-01 +$julian_date days"));

}

private function handleLegacyQuantity($part)

{

// $$9 is identifier, 5 digits for quantity always follows.

// After quantity is [2-7] date identifier

// If nothing follows quantity, then expiry date is null

// If 1 or 0 next to quantity, then MMYY follows quantity with rest is lot

if (preg_match('/^\$\$9[0-9]{5}[2-7]{1}\d+/', $part)) {

$this->handleLegacyPentaQuantityWithData($part);

} elseif (preg_match('/^\$\$9[0-9]{5}[^2-7]\d+/', $part)) {

$this->decoder->quantity = ltrim(substr($part, 3, 5), '0');

$mm = substr($part, 8, 2);

$yy = substr($part, 10, 2);

$max_day = date('t', strtotime($mm.'-'.$yy));

$this->decoder->expiry_date = "20$yy-$mm-$max_day";

$this->decoder->lot = substr($part, 12);

} elseif (preg_match('/^\$\$9[0-9]{5}[^\d]/', $part)) {

$this->decoder->quantity = ltrim(substr($part, 3, 5), '0');

} elseif (preg_match('/^\$\$8[0-9]{2}[2-7]{1}\d+/', $part)) {

$this->handleLegacyDoubleQuantityFormat($part);

} elseif (preg_match('/^\$\$8[0-9]{2}[^2-7]\d+/', $part)) {

$this->decoder->quantity = ltrim(substr($part, 3, 2), '0');

$mm = substr($part, 5, 2);

$yy = substr($part, 7, 2);

$max_day = date('t', strtotime($mm.'-'.$yy));

$this->decoder->expiry_date = "20$yy-$mm-$max_day";

$this->decoder->lot = substr($part, 9);

}

private function handleLegacyDoubleQuantityFormat($part)

{

// first 2 characters after $$8 is quantity

// next character is date identifier

// if identifier is 2, after quantity comes expiration date in MMDDYY format and rest is lot

// if identifier is 3, after quantity comes expiration date in YYMMDD format and rest is lot

// if identifier is 4, after quantity comes expiration date in YYMMDDHH format and rest is lot

// if identifier is 5, after quantity comes expiration date in YYJJJ format and rest is lot

// if identifier is 6, after quantity comes expiration date in YYJJJHH format and rest is lot

// if identifier is 7, after quantity is lot

$identifier = substr($part, 5, 1);

$this->decoder->quantity = ltrim(substr($part, 3, 2), '0');

$date_field = substr($part, 6);

switch ($identifier) {

case 2:

$mm = substr($date_field, 0, 2);

$dd = substr($date_field, 2, 2);

$yy = substr($date_field, 4, 2);

$this->decoder->expiry_date = "20$yy-$mm-$dd";

if (\strlen($date_field) > 6) {

$this->decoder->lot = substr($date_field, 6);

}

break;

case 3:

$yy = substr($date_field, 0, 2);

$mm = substr($date_field, 2, 2);

$dd = substr($date_field, 4, 2);

$this->decoder->expiry_date = "20$yy-$mm-$dd";

if (\strlen($date_field) > 6) {

$this->decoder->lot = substr($date_field, 6);

}

break;

case 4:

$yy = substr($date_field, 0, 2);

$mm = substr($date_field, 2, 2);

$dd = substr($date_field, 4, 2);

$hh = substr($date_field, 6, 2);

$this->decoder->expiry_date = "20$yy-$mm-$dd $hh";

if (\strlen($date_field) > 8) {

$this->decoder->lot = substr($date_field, 8);

}

break;

case 5:

$this->decoder->expiry_date = $this->julianToDate(substr($date_field, 0, 5));

if (\strlen($date_field) > 5) {

$this->decoder->lot = substr($date_field, 5);

}

break;

case 6:

$expiry_date = $this->julianToDate(substr($date_field, 0, 5));

$hh = substr($date_field, 5, 2);

$this->decoder->expiry_date = date('Y-m-d H:i:s', strtotime("$expiry_date +$hh hours"));

if (\strlen($date_field) > 7) {

$this->decoder->lot = substr($date_field, 7);

}

break;

case 7:

$this->decoder->lot = $date_field;

break;

default:

throw new \Exception("Unknown identifier for legacy secondary quantity data. Identifier: $identifier");

}

private function handleLegacyPentaQuantityWithData($part)

{

// first 5 characters after $$9 is quantity

// next character after quantity is date identifier

// if identifier is 2, after quantity comes expiration date in MMDDYY and rest is lot

// if identifier is 3, after quantity comes expiration date in YYMMDD and rest is lot

// if identifier is 4, after quantity comes expiration date in YYMMDDHH and rest is lot

// if identifier is 5, after quantity comes expiration date in YYJJJ (JJJ is Julian date) and rest is lot

// if identifier is 6, after quantity comes expiration date in YYJJJHH and rest is lot

// if identifier is 7, after quantity is lot

$identifier = substr($part, 8, 1);

$this->decoder->quantity = ltrim(substr($part, 3, 5), '0');

$date_field = substr($part, 9);

switch ($identifier) {

case '2':

$mm = substr($date_field, 0, 2);

$dd = substr($date_field, 2, 2);

$yy = substr($date_field, 4, 2);

$this->decoder->expiry_date = "20$yy-$mm-$dd";

if (\strlen($date_field) > 6) {

$this->decoder->lot = substr($date_field, 6);

}

break;

case '3':

$yy = substr($date_field, 0, 2);

$mm = substr($date_field, 2, 2);

$dd = substr($date_field, 4, 2);

$this->decoder->expiry_date = "20$yy-$mm-$dd";

if (\strlen($date_field) > 6) {

$this->decoder->lot = substr($date_field, 6);

}

break;

case '4':

$yy = substr($date_field, 0, 2);

$mm = substr($date_field, 2, 2);

$dd = substr($date_field, 4, 2);

$hh = substr($date_field, 6, 2);

$this->decoder->expiry_date = "20$yy-$mm-$dd $hh:00:00";

if (\strlen($date_field) > 8) {

$this->decoder->lot = substr($date_field, 8);

}

break;

case '5':

$this->decoder->expiry_date = $this->julianToDate($date_field);

if (\strlen($date_field) > 5) {

$this->decoder->lot = substr($date_field, 5);

}

break;

case '6':

$expiry_date = $this->julianToDate($date_field);

$hh = substr($date_field, 5, 2);

$this->decoder->expiry_date = date('Y-m-d H:i:s', strtotime("$expiry_date +$hh hours"));

if (\strlen($date_field) > 7) {

$this->decoder->lot = substr($date_field, 7);

}

break;

case '7':

$this->decoder->lot = $date_field;

break;

default:

throw new \Exception("Unknown identifier for legacy secondary quantity data. Identifier: $identifier");

}

bardecoder/src/HIBCSecondaryDataDecoder.php at main · brixion/bardecoder · GitHub

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