Barcode Operations
This commit is contained in:
Thanakorn S
@@ -0,0 +1,205 @@
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<?php
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session_start();
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require '../../../assets/utils/db_auth.php';
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$barcode = trim($data['barcode'] ?? '');
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if (!$barcode) {
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$answer['message'] = 'No barcode provided.';
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http_response_code(400);
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exit(json_encode($answer));
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}
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function findProduct(PDO $pdo, int $company_id, string $sku): array|false {
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$sth = $pdo->prepare(
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"SELECT sku, product_name, uom
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FROM md_product
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WHERE company_id = :company_id
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AND sku = :sku
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AND status > 0
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LIMIT 1"
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);
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$sth->execute([':company_id' => $company_id, ':sku' => $sku]);
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return $sth->fetch(PDO::FETCH_ASSOC);
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}
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function validateLotSerial(PDO $pdo, int $company_id, string $sku, string $lot, string $serial): void {
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if ($serial === '') return;
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$warehouses = $pdo->prepare(
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"SELECT id FROM md_warehouse
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WHERE company_id = :company_id AND status = 1"
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);
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$warehouses->execute([':company_id' => $company_id]);
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foreach ($warehouses->fetchAll(PDO::FETCH_COLUMN) as $warehouse_id) {
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$table = 'td_stock_' . (int)$warehouse_id;
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$sth = $pdo->prepare(
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"SELECT lot_number
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FROM `{$table}`
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WHERE company_id = :company_id
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AND product_sku = :sku
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AND serial_number = :serial
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AND status != -1
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LIMIT 1"
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);
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$sth->execute([':company_id' => $company_id, ':sku' => $sku, ':serial' => $serial]);
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$existing_lot = $sth->fetchColumn();
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if ($existing_lot !== false && (string)$existing_lot !== $lot) {
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throw new Exception('Serial number belongs to a different lot.');
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}
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}
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}
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function findPreparedLabel(PDO $pdo, int $company_id, string $barcode, string $type): array|false {
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$sth = $pdo->prepare(
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"SELECT *
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FROM md_barcode
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WHERE company_id = :company_id
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AND barcode = :barcode
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AND barcode_type = :barcode_type
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LIMIT 1"
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);
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$sth->execute([
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':company_id' => $company_id,
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':barcode' => $barcode,
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':barcode_type' => $type,
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]);
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$row = $sth->fetch(PDO::FETCH_ASSOC);
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if ($row && (int)$row['status'] !== 1) {
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throw new Exception('Barcode is disabled.');
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}
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return $row ?: false;
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}
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function advancedLocation(PDO $pdo, int $company_id): bool {
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$sth = $pdo->prepare(
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"SELECT value FROM company_setting
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WHERE company_id = :company_id AND setting_key = 'advanced_location'
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LIMIT 1"
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);
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$sth->execute([':company_id' => $company_id]);
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$value = $sth->fetchColumn();
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return (int)($value === false ? 0 : $value) === 1;
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}
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function validateLocation(PDO $pdo, int $company_id, int $warehouse_id, string $zone, string $aisle, string $rack): void {
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$sth = $pdo->prepare(
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"SELECT 1 FROM md_rack
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WHERE company_id = :company_id
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AND warehouse = :warehouse
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AND zone = :zone
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AND aisle = :aisle
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AND rack = :rack
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LIMIT 1"
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);
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$sth->execute([
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':company_id' => $company_id,
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':warehouse' => $warehouse_id,
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':zone' => $zone,
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':aisle' => $aisle,
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':rack' => $rack,
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]);
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if (!$sth->fetchColumn()) throw new Exception('Location not found.');
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}
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$parts = explode('|', $barcode);
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$label_type = strtoupper($parts[0] ?? '');
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try {
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if ($label_type === 'SKU') {
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if (count($parts) !== 4) throw new Exception('Invalid SKU label format.');
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$sku = trim($parts[1]);
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$lot = trim($parts[2]);
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$serial = trim($parts[3]);
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if ($sku === '' || $lot === '' || $serial === '') throw new Exception('SKU, lot, and serial are required.');
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$label = findPreparedLabel($pdo2, $company_id, $barcode, 'sku');
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if (!$label) throw new Exception('SKU barcode label was not prepared.');
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if ($label['product_sku'] !== $sku || $label['lot_number'] !== $lot || $label['serial_number'] !== $serial) {
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throw new Exception('SKU barcode label does not match its registry.');
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}
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$product = findProduct($pdo2, $company_id, $sku);
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if (!$product) throw new Exception('SKU not found.');
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validateLotSerial($pdo2, $company_id, $sku, $lot, $serial);
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$answer['success'] = 1;
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$answer['type'] = 'sku';
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$answer['sku'] = $product['sku'];
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$answer['product_name'] = $product['product_name'];
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$answer['uom'] = $product['uom'] ?? 'pcs';
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$answer['lot_number'] = $lot;
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$answer['serial_number'] = $serial;
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exit(json_encode($answer));
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}
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if ($label_type === 'LOC') {
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$advanced = advancedLocation($pdo1, $company_id);
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if ($advanced && count($parts) !== 5) throw new Exception('Invalid advanced location label format.');
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if (!$advanced && count($parts) !== 3) throw new Exception('Invalid location label format.');
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$warehouse_id = (int)($parts[1] ?? 0);
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if ($advanced) {
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$zone = trim($parts[2]);
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$aisle = trim($parts[3]);
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$rack = trim($parts[4]);
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} else {
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$rack = trim($parts[2]);
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$zone = $rack;
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$aisle = $rack;
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}
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if (!$warehouse_id || $zone === '' || $aisle === '' || $rack === '') throw new Exception('Location label is incomplete.');
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$label = findPreparedLabel($pdo2, $company_id, $barcode, 'loc');
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if (!$label) throw new Exception('Location barcode label was not prepared.');
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if ((int)$label['warehouse_id'] !== $warehouse_id || $label['zone'] !== $zone || $label['aisle'] !== $aisle || $label['rack'] !== $rack) {
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throw new Exception('Location barcode label does not match its registry.');
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}
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validateLocation($pdo2, $company_id, $warehouse_id, $zone, $aisle, $rack);
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$answer['success'] = 1;
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$answer['type'] = 'loc';
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$answer['warehouse_id'] = $warehouse_id;
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$answer['zone'] = $zone;
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$answer['aisle'] = $aisle;
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$answer['rack'] = $rack;
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exit(json_encode($answer));
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}
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} catch (Exception $e) {
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$answer['message'] = $e->getMessage();
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http_response_code(400);
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exit(json_encode($answer));
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}
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$sth = $pdo2->prepare(
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"SELECT sku, product_name, uom
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FROM md_product
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WHERE company_id = :company_id
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AND (barcode = :barcode OR sku = :sku)
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AND status > 0
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ORDER BY (barcode = :barcode_order) DESC
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LIMIT 1"
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);
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$sth->execute([
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':company_id' => $company_id,
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':barcode' => $barcode,
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':sku' => $barcode,
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':barcode_order' => $barcode,
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]);
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$product = $sth->fetch(PDO::FETCH_ASSOC);
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if (!$product) {
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$answer['message'] = 'Barcode not found.';
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http_response_code(404);
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exit(json_encode($answer));
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}
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$answer['success'] = 1;
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$answer['type'] = 'raw';
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$answer['sku'] = $product['sku'];
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$answer['product_name'] = $product['product_name'];
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$answer['uom'] = $product['uom'] ?? 'pcs';
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exit(json_encode($answer));
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?>
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