ObjectRelationalMapping/sample_application/frontend/process_order.html at main · course-files/ObjectRelationalMapping · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Create Order</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            margin: 40px;
            max-width: 500px;
        }
        input[type="text"], input[type="number"] {
            width: 100%;
            padding: 8px;
            margin: 8px 0;
            box-sizing: border-box;
        }
        button {
            padding: 10px 15px;
            background-color: #4CAF50;
            color: white;
            border: none;
            cursor: pointer;
            margin-top: 10px;
        }
        #response {
            margin-top: 20px;
            font-weight: bold;
        }
        .item-group {
            margin-bottom: 10px;
        }
    </style>
</head>
<body>

<h2>Order Form</h2>

<form id="orderForm">
    <label for="customer">Customer Name:</label>
    <input type="text" id="customer" name="customer" required>

    <h3>Order Items</h3>
    <div id="itemsContainer">
        <div class="item-group">
            <input type="text" placeholder="Item Name" class="itemName" required>
            <input type="number" placeholder="Quantity" class="itemQty" min="1" required>
        </div>
    </div>

    <button type="button" onclick="addItem()">Add Another Item</button><br>
    <button type="submit">Submit Order</button>
</form>

<div id="response"></div>

<script>
function addItem() {
    const container = document.getElementById('itemsContainer');
    const div = document.createElement('div');
    div.className = 'item-group';
    div.innerHTML = `
        <input type="text" placeholder="Item Name" class="itemName" required>
        <input type="number" placeholder="Quantity" class="itemQty" min="1" required>
    `;
    container.appendChild(div);
}

document.getElementById('orderForm').addEventListener('submit', async function(event) {
    event.preventDefault();

    const customer = document.getElementById('customer').value;
    const itemNames = Array.from(document.getElementsByClassName('itemName')).map(i => i.value);
    const itemQtys = Array.from(document.getElementsByClassName('itemQty')).map(i => parseInt(i.value));

    const items = itemNames.map((name, index) => ({
        name: name,
        qty: itemQtys[index]
    }));

    const payload = { customer, items };

    try {
        const response = await fetch('http://127.0.0.1:5000/api/orders', {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json'
            },
            body: JSON.stringify(payload)
        });

        const result = await response.json();
        document.getElementById('response').innerText = JSON.stringify(result, null, 2);

    } catch (error) {
        console.error('Error:', error);
        document.getElementById('response').innerText = 'An error occurred while submitting the order.';
    }
});
</script>

</body>
</html>