Offene Chargen im Drawer vollbreit und im Lagerbestand beruecksichtigen

modules/erp/lager/api/lot.php

@@ -66,12 +66,12 @@ try {
     }
 
     if ($action === 'delete_open_lot') {
-        delete_open_stock_lot(
+        $productId = delete_open_stock_lot(
             $pdo,
             (int) ($data['lotId'] ?? 0),
             (string) ($currentUser['username'] ?? $currentUser['email'] ?? 'unknown')
         );
-        json_response(200, ['ok' => true]);
+        json_response(200, ['ok' => true, 'productId' => $productId, 'availableQty' => get_lager_product_available_qty($pdo, $productId)]);
     }
 
     if ($action === 'prepare_lot') {
@@ -116,7 +116,7 @@ try {
             $targetQty,
             $lotId > 0 && $lotNumber === ''
         );
-        json_response(200, ['ok' => true, 'lot' => $preparedLot, 'balance' => get_stock_lot_balance($pdo, $lotId)]);
+        json_response(200, ['ok' => true, 'lot' => $preparedLot, 'balance' => get_stock_lot_balance($pdo, $lotId), 'availableQty' => get_lager_product_available_qty($pdo, $productId)]);
     }
 
     json_response(422, ['ok' => false, 'error' => 'Unsupported action']);

modules/erp/lager/service.php

@@ -75,7 +75,14 @@ function get_lager_product_overview(PDO $pdo): array
             p.name,
             p.sku,
             p.uom,
-            COALESCE(SUM(v.qty_net), 0) AS available_qty,
+            COALESCE(SUM(v.qty_net), 0) + COALESCE((
+                SELECT SUM(open_v.qty_net)
+                FROM stock_lot open_sl
+                INNER JOIN v_stock_lot_balance open_v ON open_v.stock_lot_id = open_sl.id
+                WHERE open_sl.product_id = p.id
+                  AND open_sl.status = 'open'
+            ), 0) AS available_qty,
+            COALESCE(v.qty_net, 0) AS current_qty,
             COALESCE(v.qty_in, 0) AS qty_in,
             sl.lot_number,
             sl.id AS lot_id,
@@ -113,7 +120,7 @@ function get_lager_product_overview(PDO $pdo): array
          WHERE p.status = 'active'
          GROUP BY p.id, p.name, p.sku, p.uom, sl.id, sl.lot_number, sl.manufacturer_party_id,
                   sl.manufacturer_lot_number, mp.name, sl.mfg_date, sl.expiry_date, sl.purchase_date,
-                  sl.sellout_date, sl.sellout_forecast_status, v.qty_in
+                  sl.sellout_date, sl.sellout_forecast_status, v.qty_net, v.qty_in
          ORDER BY p.name ASC, p.id ASC"
     );
 
@@ -124,6 +131,7 @@ function get_lager_product_overview(PDO $pdo): array
             'sku' => (string) $row['sku'],
             'uom' => (string) $row['uom'],
             'available_qty' => (float) $row['available_qty'],
+            'current_qty' => (float) $row['current_qty'],
             'qty_in' => (float) $row['qty_in'],
             'lot_id' => $row['lot_id'] === null ? null : (int) $row['lot_id'],
             'lot_number' => $row['lot_number'],
@@ -230,6 +238,19 @@ function get_lager_product_overview(PDO $pdo): array
     return $products;
 }
 
+function get_lager_product_available_qty(PDO $pdo, int $productId): float
+{
+    $stmt = $pdo->prepare(
+        "SELECT COALESCE(SUM(v.qty_net), 0)
+         FROM stock_lot sl
+         INNER JOIN v_stock_lot_balance v ON v.stock_lot_id = sl.id
+         WHERE sl.product_id = :product_id
+           AND sl.status IN ('current', 'open')"
+    );
+    $stmt->execute([':product_id' => $productId]);
+    return (float) $stmt->fetchColumn();
+}
+
 function update_stock_lot_traceability(
     PDO $pdo,
     int $lotId,
@@ -809,7 +830,7 @@ function get_or_create_open_lot(PDO $pdo, int $productId): int
     return (int) $newLotId;
 }
 
-function delete_open_stock_lot(PDO $pdo, int $lotId, string $changedBy): void
+function delete_open_stock_lot(PDO $pdo, int $lotId, string $changedBy): int
 {
     if ($lotId <= 0 || trim($changedBy) === '') {
         throw new InvalidArgumentException('Offene Charge und Bediener sind erforderlich');
@@ -850,9 +871,11 @@ function delete_open_stock_lot(PDO $pdo, int $lotId, string $changedBy): void
             throw new RuntimeException('Offene Charge konnte nicht geloescht werden');
         }
 
+        $productId = (int) $lot['product_id'];
         if ($startedTransaction) {
             $pdo->commit();
         }
+        return $productId;
     } catch (Throwable $error) {
         if ($startedTransaction && $pdo->inTransaction()) {
             $pdo->rollBack();