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M3 Integration fixes

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This commit is contained in:
Mark Gregory
2026-09-22 11:08:39 +01:00
parent e4213d1fd6
commit dc97598278
7 changed files with 158 additions and 136 deletions
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Modules/M3/Http/Controllers/UtilitiesController.php
+18 -18
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@@ -229,24 +229,7 @@ class UtilitiesController extends Controller
// Build GS1 18 Digits Code
$gs1_128_bc_1 = '00' . $packageType . $manufactID . $gS1SEQUENCEID;
// Calculate Check Digit
$digits = str_split($gs1_128_bc_1);
$sum = 0;
$length = count($digits);
// Loop through each digit starting from the right
for ($i = 0; $i < $length; $i++) {
$digit = $digits[$length - $i - 1];
// Assign a weight of 3 or 1 alternately
$weight = ($i % 2 == 0) ? 3 : 1;
// Add the product of the digit and its weight to the sum
$sum += $digit * $weight;
}
// Calculate the remainder when sum is divided by 10
$remainder = $sum % 10;
// If remainder is 0, check digit is 0; otherwise, subtract remainder from 10
$checkDigit = ($remainder == 0) ? 0 : 10 - $remainder;
// End Check Digit Calculation
$checkDigit = self::gs1CheckDigit($gs1_128_bc_1);
// SSCC 18 Digits Code
$gs1_128_bc = $gs1_128_bc_1 . $checkDigit;
@@ -377,6 +360,23 @@ class UtilitiesController extends Controller
}
}
private static function gs1CheckDigit(string $value): int
{
$digits = str_split($value);
$sum = 0;
$length = count($digits);
for ($i = 0; $i < $length; $i++) {
$digit = (int) $digits[$length - $i - 1];
$weight = $i % 2 === 0 ? 3 : 1;
$sum += $digit * $weight;
}
$remainder = $sum % 10;
return $remainder === 0 ? 0 : 10 - $remainder;
}
public static function generateGS128Tst(Request $request)
{
print_r('>>> Generate PDF');