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Server:

LiteSpeed

System:

Linux 4.18.0-553.84.1.lve.el8.x86_64

PHP Version:

8.2.30

User:

u176134211

Directory:

/home/u176134211/domains/digitalraj.in/public_html/dashboard

Free Space:

8.29 TB

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✏️ Editing: design_qr.php

<?php
// /public_html/dashboard/design_qr.php
session_start();
require '../config/db_connect.php';

if (!isset($_SESSION['user_id'])) { header("Location: ../login.php"); exit(); }
$user_id = $_SESSION['user_id'];

if (!isset($_GET['id'])) { header("Location: my_qrs.php"); exit(); }
$qr_id = intval($_GET['id']);

// Fetch QR Data & Verify Ownership
$sql = "SELECT * FROM qrcodes WHERE id = '$qr_id' AND user_id = '$user_id'";
$result = $conn->query($sql);
if ($result->num_rows == 0) { die("Access Denied"); }
$qr = $result->fetch_assoc();

// HANDLE FORM SUBMIT
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
    $color_dark = $_POST['color_dark'];
    $color_light = $_POST['color_light'];
    
    // Handle Logo Upload
    $logo_sql = "";
    if (isset($_FILES['logo']) && $_FILES['logo']['error'] == 0) {
        $target_dir = "../uploads/qr_logos/";
        if (!file_exists($target_dir)) mkdir($target_dir, 0777, true);
        
        $filename = time() . "_" . basename($_FILES["logo"]["name"]);
        $target_file = $target_dir . $filename;
        
        // Basic validation
        $ext = strtolower(pathinfo($target_file, PATHINFO_EXTENSION));
        if(in_array($ext, ['jpg', 'png', 'jpeg'])) {
            if (move_uploaded_file($_FILES["logo"]["tmp_name"], $target_file)) {
                // Save FULL URL so API can reach it
                $protocol = isset($_SERVER['HTTPS']) ? "https://" : "http://";
                $full_logo_url = $protocol . $_SERVER['HTTP_HOST'] . "/uploads/qr_logos/" . $filename;
                $logo_sql = ", logo_url = '$full_logo_url'";
            }
        }
    }

// Update DB
    $update_sql = "UPDATE qrcodes SET 
                   color_dark = '$color_dark', 
                   color_light = '$color_light' 
                   $logo_sql 
                   WHERE id = '$qr_id'";
                   
    if ($conn->query($update_sql)) {
        $msg = "Design saved!";
        // Refresh data
        $qr = $conn->query($sql)->fetch_assoc();
    }
}

// GENERATE PREVIEW URL (Using QuickChart API)
$protocol = isset($_SERVER['HTTPS']) ? "https://" : "http://";
$short_url = $protocol . $_SERVER['HTTP_HOST'] . "/" . $qr['short_code'];

// Encode colors for API (remove #)
$dark_clean = str_replace('#', '', $qr['color_dark']);
$light_clean = str_replace('#', '', $qr['color_light']);

$api_url = "https://quickchart.io/qr?text=" . urlencode($short_url) . 
           "&dark=" . $dark_clean . 
           "&light=" . $light_clean . 
           "&size=300&ecLevel=H"; // High error correction for logos

if ($qr['logo_url']) {
    $api_url .= "&centerImageUrl=" . urlencode($qr['logo_url']) . "&centerImageSizeRatio=0.3";
}
?>

<?php include '../includes/header.php'; ?>

<div class="container mt-5">
    <div class="row">
        <div class="col-md-4">
            <h3 class="mb-3">Customize QR</h3>
            <?php if(isset($msg)) echo "<div class='alert alert-success'>$msg</div>"; ?>
            
            <form method="POST" enctype="multipart/form-data">
                
                <div class="mb-3">
                    <label class="form-label">Foreground Color</label>
                    <input type="color" name="color_dark" class="form-control form-control-color w-100" value="<?php echo $qr['color_dark']; ?>">
                </div>

<div class="mb-3">
                    <label class="form-label">Background Color</label>
                    <input type="color" name="color_light" class="form-control form-control-color w-100" value="<?php echo $qr['color_light']; ?>">
                </div>

<div class="mb-3">
                    <label class="form-label">Center Logo (Optional)</label>
                    <input type="file" name="logo" class="form-control">
                    <?php if($qr['logo_url']): ?>
                        <small class="text-success"><i class="bi bi-check-circle"></i> Logo uploaded</small>
                    <?php endif; ?>
                </div>

<button type="submit" class="btn btn-primary w-100 mb-3">Save Design</button>
                <a href="view_qr.php?code=<?php echo $qr['short_code']; ?>" class="btn btn-outline-secondary w-100">Back to View</a>
            </form>
        </div>

<div class="col-md-8 text-center d-flex align-items-center justify-content-center bg-white border rounded">
            <div class="p-5">
                <h5>Live Preview</h5>
                <img src="<?php echo $api_url; ?>" class="img-fluid border shadow-sm" alt="QR Preview" style="max-width: 300px;">
                <p class="text-muted mt-3 small">Save changes to update preview.</p>
            </div>
        </div>
    </div>
</div>

<?php include '../includes/footer.php'; ?>

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