34959-vm/credit_customers.php

<?php
require_once __DIR__ . '/includes/header.php';

$pdo = db();
$message = '';
$customer_message = '';
$vehicle_message = '';

// Handle form submission for adding a new customer
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['add_customer'])) {
    $name = trim($_POST['name']);
    $contact = trim($_POST['contact']);
    $address = trim($_POST['address']);
    $credit_limit = trim($_POST['credit_limit']);

    if (!empty($name)) {
        try {
            $stmt = $pdo->prepare("INSERT INTO credit_customers (name, contact, address, credit_limit) VALUES (?, ?, ?, ?)");
            $stmt->execute([$name, $contact, $address, $credit_limit]);
            $customer_message = '<div class="alert alert-success">Customer added successfully!</div>';
        } catch (PDOException $e) {
            $customer_message = '<div class="alert alert-danger">Error: ' . $e->getMessage() . '</div>';
        }
    } else {
        $customer_message = '<div class="alert alert-warning">Customer name is required.</div>';
    }
}

// Handle form submission for adding a new vehicle
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['add_vehicle'])) {
    $customer_id = $_POST['customer_id'];
    $vehicle_number = trim($_POST['vehicle_number']);

    if (!empty($customer_id) && !empty($vehicle_number)) {
        try {
            $stmt = $pdo->prepare("INSERT INTO vehicles (customer_id, vehicle_number) VALUES (?, ?)");
            $stmt->execute([$customer_id, $vehicle_number]);
            $vehicle_message = '<div class="alert alert-success">Vehicle added successfully!</div>';
        } catch (PDOException $e) {
            $vehicle_message = '<div class="alert alert-danger">Error: ' . $e->getMessage() . '</div>';
        }
    } else {
        $vehicle_message = '<div class="alert alert-warning">Vehicle number is required.</div>';
    }
}


// Fetch all customers
$customers_stmt = $pdo->query("SELECT * FROM credit_customers ORDER BY name");
$customers = $customers_stmt->fetchAll(PDO::FETCH_ASSOC);

// Fetch all vehicles and group by customer
$vehicles_stmt = $pdo->query("SELECT * FROM vehicles ORDER BY vehicle_number");
$all_vehicles = $vehicles_stmt->fetchAll(PDO::FETCH_ASSOC);
$vehicles_by_customer = [];
foreach ($all_vehicles as $vehicle) {
    $vehicles_by_customer[$vehicle['customer_id']][] = $vehicle;
}

?>

<div class="row">
    <!-- Customer Management -->
    <div class="col-md-12">
        <div class="card">
            <div class="card-header">
                <h4>Manage Credit Customers</h4>
            </div>
            <div class="card-body">
                <div class="row">
                    <div class="col-md-8">
                        <h5>Existing Customers</h5>
                        <table class="table table-striped table-hover">
                            <thead class="table-dark">
                                <tr>
                                    <th>Name</th>
                                    <th>Contact</th>
                                    <th>Address</th>
                                    <th>Credit Limit</th>
                                    <th>Vehicles</th>
                                </tr>
                            </thead>
                            <tbody>
                                <?php if (empty($customers)): ?>
                                    <tr>
                                        <td colspan="5" class="text-center">No customers found.</td>
                                    </tr>
                                <?php else: ?>
                                    <?php foreach ($customers as $customer): ?>
                                        <tr>
                                            <td><?php echo htmlspecialchars($customer['name']); ?></td>
                                            <td><?php echo htmlspecialchars($customer['contact']); ?></td>
                                            <td><?php echo htmlspecialchars($customer['address']); ?></td>
                                            <td><?php echo htmlspecialchars($customer['credit_limit']); ?></td>
                                            <td>
                                                <?php 
                                                $vehicles = $vehicles_by_customer[$customer['id']] ?? [];
                                                if (!empty($vehicles)) {
                                                    foreach ($vehicles as $vehicle) {
                                                        echo htmlspecialchars($vehicle['vehicle_number']) . '<br>';
                                                    }
                                                } else {
                                                    echo 'No vehicles';
                                                }
                                                ?>
                                            </td>
                                        </tr>
                                    <?php endforeach; ?>
                                <?php endif; ?>
                            </tbody>
                        </table>
                    </div>
                    <div class="col-md-4">
                        <div class="card mb-3">
                            <div class="card-body">
                                <h5 class="card-title">Add New Customer</h5>
                                <?php echo $customer_message; ?>
                                <form action="credit_customers.php" method="POST">
                                    <div class="mb-3">
                                        <label for="name" class="form-label">Customer Name</label>
                                        <input type="text" class="form-control" id="name" name="name" required>
                                    </div>
                                    <div class="mb-3">
                                        <label for="contact" class="form-label">Contact</label>
                                        <input type="text" class="form-control" id="contact" name="contact">
                                    </div>
                                    <div class="mb-3">
                                        <label for="address" class="form-label">Address</label>
                                        <textarea class="form-control" id="address" name="address" rows="2"></textarea>
                                    </div>
                                    <div class="mb-3">
                                        <label for="credit_limit" class="form-label">Credit Limit</label>
                                        <input type="number" step="0.01" class="form-control" id="credit_limit" name="credit_limit">
                                    </div>
                                    <button type="submit" name="add_customer" class="btn btn-primary">Add Customer</button>
                                </form>
                            </div>
                        </div>
                        <div class="card">
                            <div class="card-body">
                                <h5 class="card-title">Add Vehicle to Customer</h5>
                                <?php echo $vehicle_message; ?>
                                <form action="credit_customers.php" method="POST">
                                    <div class="mb-3">
                                        <label for="customer_id" class="form-label">Customer</label>
                                        <select class="form-select" id="customer_id" name="customer_id" required>
                                            <option value="">Select a Customer</option>
                                            <?php foreach ($customers as $customer): ?>
                                                <option value="<?php echo $customer['id']; ?>"><?php echo htmlspecialchars($customer['name']); ?></option>
                                            <?php endforeach; ?>
                                        </select>
                                    </div>
                                    <div class="mb-3">
                                        <label for="vehicle_number" class="form-label">Vehicle Number</label>
                                        <input type="text" class="form-control" id="vehicle_number" name="vehicle_number" required>
                                    </div>
                                    <button type="submit" name="add_vehicle" class="btn btn-info">Add Vehicle</button>
                                </form>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<?php require_once __DIR__ . '/includes/footer.php'; ?>