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@@ -1156,6 +1156,12 @@ function normalizeOrderItem($item)
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$size = "";
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}
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+ $backorderStatus = trim((string) ($item["backorder_status"] ?? ""));
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+ $allowedBackorderStatuses = ["", "to_be_backordered", "ordered"];
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+ if (!in_array($backorderStatus, $allowedBackorderStatuses, true)) {
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+ $backorderStatus = "";
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+ }
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+
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return [
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"product_id" => $productId,
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"product_name" => $product["name"],
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@@ -1163,6 +1169,9 @@ function normalizeOrderItem($item)
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"availability_label" =>
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$size !== "" ? getAvailabilityLabel($product, $size) : "",
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"is_processed" => !empty($item["is_processed"]),
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+ "backorder_status" => $backorderStatus,
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+ "backordered_at" => trim((string) ($item["backordered_at"] ?? "")),
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+ "ordered_at" => trim((string) ($item["ordered_at"] ?? "")),
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];
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}
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@@ -1746,6 +1755,349 @@ function cancelOrder($orderId, $adminUsername, $reason = "")
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return ["success" => false, "message" => "Bestellung nicht gefunden."];
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}
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+function orderItemCanBeManaged($order)
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+{
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+ if (($order["status"] ?? "") === "cancelled") {
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+ return [
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+ "success" => false,
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+ "message" =>
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+ "Stornierte Bestellungen können nicht mehr bearbeitet werden.",
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+ ];
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+ }
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+ if (($order["confirmation_status"] ?? "") === "pending") {
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+ return [
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+ "success" => false,
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+ "message" =>
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+ "Unbestätigte Bestellungen können noch nicht bearbeitet werden.",
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+ ];
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+ }
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+ if (($order["confirmation_status"] ?? "") === "expired") {
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+ return [
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+ "success" => false,
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+ "message" =>
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+ "Abgelaufene unbestätigte Bestellungen können nicht bearbeitet werden.",
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+ ];
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+ }
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+
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+ return ["success" => true];
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+}
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+
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+function setOrderItemBackorderStatus($orderId, $itemIndex, $status)
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+{
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+ $allowedStatuses = ["", "to_be_backordered"];
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+ if (!in_array($status, $allowedStatuses, true)) {
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+ return ["success" => false, "message" => "Ungültiger Nachbestellstatus."];
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+ }
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+
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+ $orders = getOrders();
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+ $now = date("Y-m-d H:i:s");
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+
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+ foreach ($orders as &$order) {
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+ if ($order["id"] !== $orderId) {
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+ continue;
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+ }
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+
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+ $guard = orderItemCanBeManaged($order);
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+ if (!$guard["success"]) {
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+ return $guard;
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+ }
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+
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+ if (!isset($order["items"][$itemIndex])) {
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+ return [
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+ "success" => false,
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+ "message" => "Position nicht gefunden.",
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+ ];
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+ }
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+
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+ if ($status === "to_be_backordered") {
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+ $order["items"][$itemIndex]["backorder_status"] = "to_be_backordered";
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+ $order["items"][$itemIndex]["backordered_at"] = $now;
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+ $order["items"][$itemIndex]["ordered_at"] = "";
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+ } else {
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+ $order["items"][$itemIndex]["backorder_status"] = "";
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+ $order["items"][$itemIndex]["backordered_at"] = "";
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+ $order["items"][$itemIndex]["ordered_at"] = "";
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+ }
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+
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+ $order["updated_at"] = $now;
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+ saveOrders($orders);
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+
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+ return ["success" => true, "order" => $order];
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+ }
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+ unset($order);
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+
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+ return ["success" => false, "message" => "Bestellung nicht gefunden."];
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+}
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+
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+function toggleOrderItemBackorder($orderId, $itemIndex)
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+{
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+ $orders = getOrders();
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+
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+ foreach ($orders as $order) {
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+ if ($order["id"] !== $orderId) {
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+ continue;
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+ }
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+
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+ if (!isset($order["items"][$itemIndex])) {
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+ return [
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+ "success" => false,
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+ "message" => "Position nicht gefunden.",
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+ ];
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+ }
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+
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+ $current = (string) ($order["items"][$itemIndex]["backorder_status"] ?? "");
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+ $newStatus = $current === "to_be_backordered" ? "" : "to_be_backordered";
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+
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+ return setOrderItemBackorderStatus($orderId, $itemIndex, $newStatus);
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+ }
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+
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+ return ["success" => false, "message" => "Bestellung nicht gefunden."];
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+}
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+
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+function collectBackorderItemRefs()
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+{
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+ $refs = [];
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+
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+ foreach (getOrders() as $order) {
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+ if (($order["status"] ?? "") === "cancelled") {
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+ continue;
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+ }
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+ if (in_array($order["confirmation_status"] ?? "", ["pending", "expired"], true)) {
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+ continue;
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+ }
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+
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+ foreach ($order["items"] as $itemIndex => $item) {
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+ $status = (string) ($item["backorder_status"] ?? "");
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+ if ($status === "") {
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+ continue;
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+ }
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+
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+ $refs[] = [
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+ "order_id" => $order["id"],
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+ "item_index" => (int) $itemIndex,
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+ "product_id" => (int) $item["product_id"],
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+ "product_name" => $item["product_name"],
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+ "size" => $item["size"],
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+ "backorder_status" => $status,
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+ "created_at" => $order["created_at"],
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+ "sort_at" =>
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+ $status === "ordered"
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+ ? ($item["ordered_at"] !== ""
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+ ? $item["ordered_at"]
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+ : $order["created_at"])
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+ : ($item["backordered_at"] !== ""
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+ ? $item["backordered_at"]
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+ : $order["created_at"]),
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+ ];
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+ }
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+ }
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+
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+ return $refs;
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+}
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+
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+function getBackorderGroups()
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+{
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+ $refs = collectBackorderItemRefs();
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+ $groups = [];
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+
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+ foreach ($refs as $ref) {
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+ $key = $ref["product_id"] . "|" . $ref["size"];
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+ if (!isset($groups[$key])) {
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+ $groups[$key] = [
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+ "product_id" => $ref["product_id"],
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+ "product_name" => $ref["product_name"],
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+ "size" => $ref["size"],
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+ "to_be_backordered" => 0,
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+ "ordered" => 0,
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+ "items_to_be_backordered" => [],
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+ "items_ordered" => [],
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+ ];
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+ }
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+
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+ if ($ref["backorder_status"] === "to_be_backordered") {
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+ $groups[$key]["to_be_backordered"]++;
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+ $groups[$key]["items_to_be_backordered"][] = $ref;
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+ } elseif ($ref["backorder_status"] === "ordered") {
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+ $groups[$key]["ordered"]++;
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+ $groups[$key]["items_ordered"][] = $ref;
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+ }
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+ }
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+
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+ foreach ($groups as &$group) {
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+ usort($group["items_to_be_backordered"], function ($left, $right) {
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+ $cmp = strcmp($left["created_at"], $right["created_at"]);
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+ if ($cmp !== 0) {
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+ return $cmp;
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+ }
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+ return strcmp($left["order_id"], $right["order_id"]);
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+ });
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+ usort($group["items_ordered"], function ($left, $right) {
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+ $cmp = strcmp($left["sort_at"], $right["sort_at"]);
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+ if ($cmp !== 0) {
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+ return $cmp;
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+ }
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+ return strcmp($left["order_id"], $right["order_id"]);
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+ });
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+ }
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+ unset($group);
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+
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+ $result = array_values($groups);
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+ usort($result, function ($left, $right) {
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+ $cmp = strcmp($left["product_name"], $right["product_name"]);
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+ if ($cmp !== 0) {
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+ return $cmp;
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+ }
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+ return strcmp($left["size"], $right["size"]);
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+ });
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+
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+ return $result;
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+}
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+
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+function applyBackorderBulkUpdate($productId, $size, $fromStatus, $toStatus, $quantity)
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+{
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+ $productId = (int) $productId;
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+ $size = trim((string) $size);
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+ $quantity = (int) $quantity;
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+
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+ if ($productId <= 0 || $quantity <= 0) {
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+ return [
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+ "success" => false,
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+ "message" => "Ungültige Menge oder Artikel.",
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+ ];
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+ }
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+
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+ $refs = collectBackorderItemRefs();
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+ $candidates = [];
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+
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+ foreach ($refs as $ref) {
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+ if (
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+ $ref["product_id"] !== $productId ||
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+ $ref["size"] !== $size ||
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+ $ref["backorder_status"] !== $fromStatus
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+ ) {
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+ continue;
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+ }
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+ $candidates[] = $ref;
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+ }
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+
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+ usort($candidates, function ($left, $right) {
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+ $cmp = strcmp($left["created_at"], $right["created_at"]);
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+ if ($cmp !== 0) {
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+ return $cmp;
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+ }
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+ return strcmp($left["order_id"], $right["order_id"]);
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+ });
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+
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+ if ($quantity > count($candidates)) {
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+ return [
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+ "success" => false,
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+ "message" =>
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+ "Nur " .
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+ count($candidates) .
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+ " Position(en) verfügbar, " .
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+ $quantity .
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+ " angefordert.",
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+ ];
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+ }
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+
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+ $targets = array_slice($candidates, 0, $quantity);
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+ $orders = getOrders();
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+ $now = date("Y-m-d H:i:s");
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+ $updated = 0;
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+
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+ foreach ($targets as $target) {
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+ foreach ($orders as &$order) {
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+ if ($order["id"] !== $target["order_id"]) {
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+ continue;
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+ }
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+
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+ $itemIndex = $target["item_index"];
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+ if (!isset($order["items"][$itemIndex])) {
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+ continue 2;
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+ }
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+
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+ if ($toStatus === "ordered") {
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+ $order["items"][$itemIndex]["backorder_status"] = "ordered";
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+ $order["items"][$itemIndex]["ordered_at"] = $now;
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+ } else {
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+ $order["items"][$itemIndex]["backorder_status"] = "";
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+ $order["items"][$itemIndex]["ordered_at"] = "";
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+ }
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+
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+ $order["updated_at"] = $now;
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+ $updated++;
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+ break;
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+ }
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+ unset($order);
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+ }
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+
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+ if ($updated === 0) {
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+ return [
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+ "success" => false,
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+ "message" => "Keine Positionen aktualisiert.",
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+ ];
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+ }
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+
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+ saveOrders($orders);
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+
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+ return ["success" => true, "updated" => $updated];
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+}
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+
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+function markBackorderItemsOrdered($productId, $size, $quantity)
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+{
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+ return applyBackorderBulkUpdate(
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+ $productId,
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+ $size,
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+ "to_be_backordered",
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+ "ordered",
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+ $quantity,
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+ );
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+}
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+
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+function markBackorderItemsDelivered($productId, $size, $quantity)
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+{
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+ return applyBackorderBulkUpdate($productId, $size, "ordered", "", $quantity);
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+}
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+
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+function orderHasBackorder($order)
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+{
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+ if (!is_array($order["items"] ?? null)) {
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+ return false;
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+ }
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+
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+ foreach ($order["items"] as $item) {
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+ if (($item["backorder_status"] ?? "") !== "") {
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+ return true;
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+ }
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+ }
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+
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+ return false;
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+}
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+
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+function getBackorderStatusLabel($status)
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+{
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+ switch ((string) $status) {
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+ case "to_be_backordered":
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+ return "Nachzubestellen";
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+ case "ordered":
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+ return "Wartet auf Lieferung";
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+ default:
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+ return "-";
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+ }
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+}
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+
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+function getBackorderStatusClass($status)
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+{
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+ switch ((string) $status) {
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+ case "to_be_backordered":
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+ return "status-backorder";
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+ case "ordered":
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+ return "status-backorder-waiting";
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+ default:
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+ return "";
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+ }
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+}
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+
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function getOrderStatusLabel($order)
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{
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if (($order["status"] ?? "") === "cancelled") {
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