Chức năng tải các tập tin mà không mua hàng trên OpenCart

public function getTotalProductSpecials() {

Thêm code

public function getDownloads($product_id) {

 $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product_to_download pd LEFT JOIN " . DB_PREFIX . "download d ON(pd.download_id=d.download_id) LEFT JOIN " . DB_PREFIX . "download_description dd ON(pd.download_id=dd.download_id) WHERE product_id = '" . (int)$product_id . "' AND dd.language_id = '" . (int)$this->config->get('config_language_id')."'");

 return $query->rows;
 }

 public function getDownload($product_id, $download_id) {
 $download="";
 if($download_id!=0)$download=" AND d.download_id=".(int)$download_id;
 $query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product_to_download pd LEFT JOIN " . DB_PREFIX . "download d ON(pd.download_id=d.download_id) LEFT JOIN " . DB_PREFIX . "download_description dd ON(pd.download_id=dd.download_id) WHERE product_id = '" . (int)$product_id . "' ".$download." AND dd.language_id = '" . (int)$this->config->get('config_language_id')."'");

 return $query->row;
 }

Tìm file: catalog/controller/product/product.php

$this->model_catalog_product->updateViewed($this->request->get['product_id']);

Thêm code:

$this->data['downloads'] = array();

$results = $this->model_catalog_product->getDownloads($this->request->get['product_id']);

foreach ($results as $result) {
if (file_exists(DIR_DOWNLOAD . $result['filename'])) {
$size = filesize(DIR_DOWNLOAD . $result['filename']);

$i = 0;

$suffix = array(
'B',
'KB',
'MB',
'GB',
'TB',
'PB',
'EB',
'ZB',
'YB'
);

while (($size / 1024) > 1) {
$size = $size / 1024;
$i++;
}

$this->data['downloads'][] = array(
'date_added' => date($this->language->get('date_format_short'), strtotime($result['date_added'])),
'name' => $result['name'],
'size' => round(substr($size, 0, strpos($size, '.') + 4), 2) . $suffix[$i],
'href' => $this->url->link('product/product/download', 'product_id='. $this->request->get['product_id']. '&download_id=' . $result['download_id'])
);
}
}

Sau code

public function upload() {

Thêm code:

public function download() {

$this->load->model('catalog/product');

if (isset($this->request->get['download_id'])) {
$download_id = $this->request->get['download_id'];
} else {
$download_id = 0;
}

if (isset($this->request->get['product_id'])) {
$product_id = $this->request->get['product_id'];
} else {
$product_id = 0;
}

$download_info = $this->model_catalog_product->getDownload($product_id, $download_id);

if ($download_info) {
$file = DIR_DOWNLOAD . $download_info['filename'];
$mask = basename($download_info['mask']);

if (!headers_sent()) {
if (file_exists($file)) {
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename="' . ($mask ? $mask : basename($file)) . '"');
header('Content-Transfer-Encoding: binary');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Pragma: public');
header('Content-Length: ' . filesize($file));

readfile($file, 'rb');

//$this->model_account_download->updateRemaining($this->request->get['download_id']);

exit;
} else {
exit('Error: Could not find file ' . $file . '!');
}
} else {
exit('Error: Headers already sent out!');
}
} else {
$this->redirect(HTTP_SERVER . 'index.php?route=account/download');
}
}

Tìm file: catalog/view/theme/*/template/product/product.tpl, * là bất kỳ theme nào, bạn có thể đúng đường dẫn theme đang dùng.Sau code:

<a href="#tab-tags"><?php echo $text_tags; ?></a>

Thêm code:

<?php } ?>
<?php if($downloads){ ?>
<a href="#tab-downloads"><?php echo "Downloads"; ?></a>

Sau code:

<?php if ($products) { ?>

Thêm code:

<?php if($downloads){ ?>
 <div id="tab-downloads" class="tab-content">
 <?php foreach($downloads as $download){ ?>

 <a href="<?php echo $download['href']; ?>" title=""><?php echo $download['name']; ?><?php echo " (". $download['size'] .")";?></a><br>

 <?php } ?>
 </div>
 <?php } ?>

Vào file: catalog/controller/checkout/login.php.Thay code:

Thành code:

$this->data['guest_checkout'] = ($this->config->get('config_guest_checkout') && !$this->config->get('config_customer_price') );

Tìm file: catalog/controller/checkout/guest.phpThay code:

if (!$this->config->get('config_guest_checkout') || $this->config->get('config_customer_price') || $this->cart->hasDownload()) {

Thành code:

if (!$this->config->get('config_guest_checkout') ) {