ProcTool/proportioning.html at master · aice09/ProcTool · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Price Calculation Table</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet">
    <link href="https://cdn.datatables.net/1.11.5/css/jquery.dataTables.min.css" rel="stylesheet">
    <style>
        .input-field {
            width: 100px;
        }
        .total-input {
            width: 150px;
            text-align: right;
        }
    </style>
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-light bg-light">
  <div class="container">
    <a class="navbar-brand" href="#">ProcTool</a>
    <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
      <span class="navbar-toggler-icon"></span>
    </button>
    <div class="collapse navbar-collapse" id="navbarNav">
      <ul class="navbar-nav">
        <li class="nav-item">
          <a class="nav-link" aria-current="page" href="https://vatcalculator.vercel.app/" active>Home</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="https://vatcalculator.vercel.app/proportioning.html">Proportioner</a>
        </li>

      </ul>
    </div>
  </div>
</nav>
    <div class="container mt-5">
        <h1 class="mb-4">Price Calculation Table</h1>
        <div class="mb-3">
            <label for="discount" class="form-label">Discount:</label>
            <input type="number" class="form-control" id="discount" placeholder="Enter discount">
        </div>
        <div class="mb-3">
            <label for="vat" class="form-label">VAT (%):</label>
            <input type="number" class="form-control" id="vat" placeholder="Enter VAT percentage">
        </div>
        <button id="addRow" class="btn btn-primary mb-3">Add Row</button>
        <table id="priceTable" class="table table-striped table-bordered">
            <thead>
                <tr>
                    <th>Quantity</th>
                    <th>Old Unit Price</th>
                    <th>Subtotal (Old)</th>
                    <th>VAT (Old)</th>
                    <th>Total Cost Before Discount</th>
                    <th>Proportional Discount</th>
                    <th>New Total Cost</th>
                    <th>New Unit Price</th>
                    <th>Subtotal (New)</th>
                    <th>VAT (New)</th>
                    <th>Actions</th>
                </tr>
            </thead>
            <tbody>
                <!-- Rows will be added dynamically -->
            </tbody>
        </table>
        <div class="row mt-3">
            <div class="col-md-6">
                <label for="totalOldPrice" class="form-label">Total Old Price:</label>
                <input type="number" class="form-control total-input" id="totalOldPrice" readonly>
            </div>
            <div class="col-md-6">
                <label for="totalNewPrice" class="form-label">Total New Price:</label>
                <input type="number" class="form-control total-input" id="totalNewPrice" readonly>
            </div>
            <div class="col-md-6 mt-3">
                <label for="totalOldVAT" class="form-label">Total Old VAT:</label>
                <input type="number" class="form-control total-input" id="totalOldVAT" readonly>
            </div>
            <div class="col-md-6 mt-3">
                <label for="totalNewVAT" class="form-label">Total New VAT:</label>
                <input type="number" class="form-control total-input" id="totalNewVAT" readonly>
            </div>
        </div>
		<hr>
	<p>Created by Carl Angelo Nievarez</p>
    </div>

    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
    <script src="https://cdn.datatables.net/1.11.5/js/jquery.dataTables.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"></script>
    <script>
        $(document).ready(function() {
            let table = $('#priceTable').DataTable({
                paging: false,
                searching: false,
                info: false
            });

            function updateTotals() {
                let totalCostBeforeDiscount = 0;
                let totalNewCost = 0;
                let discount = parseFloat($('#discount').val()) || 0;
                let vat = parseFloat($('#vat').val()) || 0;
                let totalProportionalDiscount = 0;
                let totalOldVAT = 0;
                let totalNewVAT = 0;

                table.rows().every(function() {
                    let row = $(this.node());
                    let quantity = parseFloat(row.find('.quantity').val()) || 0;
                    let oldPrice = parseFloat(row.find('.old-price').val()) || 0;

                    let totalCost = quantity * oldPrice;
                    let oldVAT = (totalCost * vat) / 100;
                    totalOldVAT += oldVAT;
                    totalCostBeforeDiscount += totalCost;

                    row.find('.total-cost').text(totalCost.toFixed(2));
                    row.find('.subtotal-old').text(totalCost.toFixed(2));
                    row.find('.vat-old').text(oldVAT.toFixed(2));
                });

                table.rows().every(function() {
                    let row = $(this.node());
                    let totalCost = parseFloat(row.find('.total-cost').text()) || 0;

                    let proportionalDiscount = (totalCost / totalCostBeforeDiscount) * discount;
                    totalProportionalDiscount += proportionalDiscount;

                    let newTotalCost = totalCost - proportionalDiscount;
                    let quantity = parseFloat(row.find('.quantity').val()) || 0;
                    let newUnitPrice = newTotalCost / quantity;

                    let subtotalNew = quantity * newUnitPrice;
                    let newVAT = (subtotalNew * vat) / 100;
                    totalNewVAT += newVAT;
                    totalNewCost += subtotalNew;

                    row.find('.proportional-discount').text(proportionalDiscount.toFixed(2));
                    row.find('.new-total-cost').text(newTotalCost.toFixed(2));
                    row.find('.new-unit-price').text(newUnitPrice.toFixed(2));
                    row.find('.subtotal-new').text(subtotalNew.toFixed(2));
                    row.find('.vat-new').text(newVAT.toFixed(2));
                });

                $('#totalOldPrice').val(totalCostBeforeDiscount.toFixed(2));
                $('#totalNewPrice').val(totalNewCost.toFixed(2));
                $('#totalOldVAT').val(totalOldVAT.toFixed(2));
                $('#totalNewVAT').val(totalNewVAT.toFixed(2));
            }

            $('#addRow').on('click', function() {
                table.row.add([
                    '<input type="number" class="form-control quantity input-field" placeholder="Quantity">',
                    '<input type="number" class="form-control old-price input-field" placeholder="Old Unit Price">',
                    '<span class="subtotal-old">0.00</span>',
                    '<span class="vat-old">0.00</span>',
                    '<span class="total-cost">0.00</span>',
                    '<span class="proportional-discount">0.00</span>',
                    '<span class="new-total-cost">0.00</span>',
                    '<span class="new-unit-price">0.00</span>',
                    '<span class="subtotal-new">0.00</span>',
                    '<span class="vat-new">0.00</span>',
                    '<button class="btn btn-danger btn-sm delete-row">Delete</button>'
                ]).draw(false);
            });

            $('#priceTable tbody').on('input', '.quantity, .old-price', function() {
                updateTotals();
            });

            $('#priceTable tbody').on('click', '.delete-row', function() {
                table.row($(this).parents('tr')).remove().draw();
                updateTotals();
            });

            $('#discount, #vat').on('input', function() {
                updateTotals();
            });
        });
    </script>
</body>
</html>