Forecast nach jeder Chargenspeicherung aktualisieren

modules/erp/lager/service.php

@@ -251,6 +251,26 @@ function get_lager_product_available_qty(PDO $pdo, int $productId): float
     return (float) $stmt->fetchColumn();
 }
 
+function get_lager_product_forecast(PDO $pdo, int $productId): array
+{
+    $stmt = $pdo->prepare(
+        "SELECT sellout_date, sellout_forecast_status
+         FROM stock_lot
+         WHERE product_id = :product_id
+           AND status = 'current'
+         LIMIT 1"
+    );
+    $stmt->execute([':product_id' => $productId]);
+    $forecast = $stmt->fetch();
+    if (!is_array($forecast)) {
+        throw new RuntimeException('Keine aktuelle Charge fuer Forecast vorhanden');
+    }
+    return [
+        'date' => $forecast['sellout_date'],
+        'status' => (string) $forecast['sellout_forecast_status'],
+    ];
+}
+
 function update_stock_lot_traceability(
     PDO $pdo,
     int $lotId,