diff --git a/public/app.js b/public/app.js
index c0ca81b..256d506 100644
--- a/public/app.js
+++ b/public/app.js
@@ -418,7 +418,7 @@ function initializeApp() {
     ];
 
     if (requiredElements.some((element) => !element)) {
-        console.error('Missing required elements. Проверьте разметку страницы.');
+        console.error('Missing required elements.');
         return;
     }
 
@@ -510,87 +510,87 @@ function initializeApp() {
         } = event.target.dataset;
 
         try {
-            if (action === 'delete-order') {
-                await fetchJson(`/api/orders/${id}`, {
-                    method: 'DELETE'
-                });
-                await refreshData();
-                return;
-            }
-
-            if (action === 'edit-order') {
-                const newName = prompt('Введите новое ФИО заказчика', '');
-                if (newName === null) {
+            switch (action) {
+                case 'delete-order': {
+                    await fetchJson(`/api/orders/${id}`, {
+                        method: 'DELETE'
+                    });
+                    await refreshData();
                     return;
                 }
-                const newDate = prompt('Введите дату заказа (YYYY-MM-DD)', currentDate);
-                if (!newDate) {
+                case 'edit-order': {
+                    const newName = prompt('Введите новое ФИО заказчика', '');
+                    if (newName === null) {
+                        return;
+                    }
+                    const newDate = prompt('Введите дату заказа (YYYY-MM-DD)', currentDate);
+                    if (!newDate) {
+                        return;
+                    }
+                    Date
+                    await fetchJson(`/api/orders/${id}`, {
+                        method: 'PUT',
+                        headers: {
+                            'Content-Type': 'application/json'
+                        },
+                        body: JSON.stringify({
+                            customerName: newName,
+                            orderDate: newDate
+                        })
+                    });
+                    await refreshData();
                     return;
                 }
-                Date
-                await fetchJson(`/api/orders/${id}`, {
-                    method: 'PUT',
-                    headers: {
-                        'Content-Type': 'application/json'
-                    },
-                    body: JSON.stringify({
-                        customerName: newName,
-                        orderDate: newDate
-                    })
-                });
-                await refreshData();
-                return;
-            }
+                case 'save-item': {
+                    const quantityInput = ordersContainer.querySelector(
+                        `[data-action="item-quantity"][data-item-id="${itemId}"]`
+                    );
+                    const productSelect = ordersContainer.querySelector(
+                        `[data-action="item-product"][data-item-id="${itemId}"]`
+                    );
 
-            if (action === 'save-item') {
-                const quantityInput = ordersContainer.querySelector(
-                    `[data-action="item-quantity"][data-item-id="${itemId}"]`
-                );
-                const productSelect = ordersContainer.querySelector(
-                    `[data-action="item-product"][data-item-id="${itemId}"]`
-                );
-
-                await fetchJson(`/api/orders/${orderId}/items/${itemId}`, {
-                    method: 'PUT',
-                    headers: {
-                        'Content-Type': 'application/json'
-                    },
-                    body: JSON.stringify({
-                        productId: productSelect.value,
-                        quantity: Number.parseInt(quantityInput.value, 10)
-                    })
-                });
-                await refreshData();
-                return;
-            }
-
-            if (action === 'delete-item') {
-                await fetchJson(`/api/orders/${orderId}/items/${itemId}`, {
-                    method: 'DELETE'
-                });
-                await refreshData();
-                return;
-            }
-
-            if (action === 'move-item') {
-                const targetSelect = ordersContainer.querySelector(
-                    `[data-action="move-target"][data-item-id="${itemId}"]`
-                );
-                if (!targetSelect.value) {
-                    showNotification('Выберите заказ для перемещения.', 'warning');
+                    await fetchJson(`/api/orders/${orderId}/items/${itemId}`, {
+                        method: 'PUT',
+                        headers: {
+                            'Content-Type': 'application/json'
+                        },
+                        body: JSON.stringify({
+                            productId: productSelect.value,
+                            quantity: Number.parseInt(quantityInput.value, 10)
+                        })
+                    });
+                    await refreshData();
                     return;
                 }
-                await fetchJson(`/api/order-items/${itemId}/move`, {
-                    method: 'POST',
-                    headers: {
-                        'Content-Type': 'application/json'
-                    },
-                    body: JSON.stringify({
-                        targetOrderId: targetSelect.value
-                    })
-                });
-                await refreshData();
-                return;
+                case 'delete-item': {
+                    await fetchJson(`/api/orders/${orderId}/items/${itemId}`, {
+                        method: 'DELETE'
+                    });
+                    await refreshData();
+                    return;
+                }
+                case 'move-item': {
+                    const targetSelect = ordersContainer.querySelector(
+                        `[data-action="move-target"][data-item-id="${itemId}"]`
+                    );
+                    if (!targetSelect.value) {
+                        showNotification('Выберите заказ для перемещения.', 'warning');
+                        return;
+                    }
+                    await fetchJson(`/api/order-items/${itemId}/move`, {
+                        method: 'POST',
+                        headers: {
+                            'Content-Type': 'application/json'
+                        },
+                        body: JSON.stringify({
+                            targetOrderId: targetSelect.value
+                        })
+                    });
+                    await refreshData();
+                    return;
+                }
+                default:
+                    return;
             }
         } catch (error) {
             showNotification(error.message, 'warning');