*/
/**
* Implementation of hook_help().
*/
function video_multidownload_help($section) {
switch ($section) {
case 'admin/modules#description':
return t('Enable multiple file download in video module.');
}
}
/**
* Implementation of hook_menu().
*
* @param $may_cache
* boolean indicating whether cacheable menu items should be returned
*
* @return
* array of menu information
*/
function video_multidownload_menu($may_cache) {
$items = array();
if ($may_cache) {
$items[] = array(
'path' => 'admin/content/video/multidownload',
'title' => t('Multidownload'),
'description' => t('Administer video_multidownload module settings'),
'callback' => 'drupal_get_form',
'callback arguments' => array('video_multidownload_settings_form'),
'access' => user_access('administer site configuration'),
'type' => MENU_NORMAL_ITEM,
);
}
else {
if (arg(0) == 'node' && is_numeric(arg(1))) {
if ($node = node_load(arg(1)) and $node->type == 'video') {
if(isset($node->disable_multidownload) &&
!$node->disable_multidownload &&
($node->use_play_folder || $node->download_folder!='')
) {
$items[] = array('path' => 'node/'.arg(1).'/multidownload',
'title' => t('download other formats'),
'callback' => 'video_multidownload_download',
'access' => user_access('access video'),
'weight' => 7,
'type' => MENU_LOCAL_TASK);
}
}
}
}
return $items;
}
/**
* Implementation of hook_perm().
*/
function video_multidownload_perm() {
return array('create multi-file downloads');
}
/**
* Implementation of hook_settings()
*/
function video_multidownload_settings_form() {
$form = array();
$options = array(1 => 'Yes', 0 => 'No');
$form['multifile'] = array('#type' => 'fieldset', '#title' => t('Multi-file download options'), '#description' => t('Allows a list of files to be shown on the download page. The list is usually gotten from a specified folder. This ability is useful for providing different sizes and video types for download.'));
$form['multifile']['video_multidownload'] = array(
'#type' => 'radios',
'#title' => t('Allow Multi-file Downloads'),
'#options' => $options,
'#default_value' => variable_get('video_multidownload', 0),
'#description' => t('This feature can be disabled separately for each node. If turned on make sure you set the permissions so users can use this feature.') . ' ' . l(t('access control'), 'admin/access'));
$form['multifile']['video_download_ext'] = array(
'#type' => 'textfield',
'#title' => t('File extensions to show'),
'#default_value' => variable_get('video_download_ext', 'mov,wmv,rm,flv,avi,divx,mpg,mpeg,mp4,zip'),
'#description' => t('The extensions of files to list from the multi-file download folder on the download page. Extensions should be comma seperated with no spaces, for example (mov,wmv,rm).'));
return system_settings_form($form);
}
/**
* Implementation of hook_form_alter()
* We use this to add multidownload fields to the video creation form.
*/
function video_multidownload_form_alter($form_id, &$form) {
if ($form_id == 'video_node_form' && isset($form['video']) && user_access('create multi-file downloads')) {
$node = $form['#node'];
$form['multi-file'] = array(
'#type' => 'fieldset',
'#title' => t('Multiple files in download tab'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
'#weight' => -18,
'#description' => t('These options allow you to have multiple files shown on the download page. This is useful for allowing users to download different file sizes and video formats. ') . l(t('More information.'), 'video/help', NULL, NULL, 'multi-download')
);
$form['multi-file']['disable_multidownload'] = array(
'#type' => 'checkbox',
'#title' => t('Disable multi-file downloads'),
'#default_value' => isset($node->disable_multidownload) ? $node->disable_multidownload : 1,
'#description' => t('Disables multi-file downloads for this video only.')
);
$form['multi-file']['download_folder'] = array(
'#type' => 'textfield',
'#title' => t('Multi-file download folder'),
'#default_value' => $node->download_folder,
'#maxlength' => 250,
'#description' => t('Enter the folder containing your videos. It must be relative from the drupal directory. If the absolute path is "C:\inetpub\drupal\videos\projectfolder\" or "/usr/htdocs/drupal/videos/projectfolder/" then enter something like "videos/projectfolder/".'));
$form['multi-file']['use_play_folder'] = array(
'#type' => 'checkbox',
'#title' => t('Show files in "play" folder'),
'#default_value' => $node->use_play_folder,
'#description' => t('Display videos in the same directory as the "play" video. If folder above is entered this will be in addition.'));
}
}
/**
* Implementation of hook_nodeapi()
*/
function video_multidownload_nodeapi(&$node, $op, $teaser) {
if($node->type == 'video') {
switch ($op) {
case 'validate':
//Validate multi-file download values.
if (user_access('create multi-file downloads')) { //Make sure the user has permission.
//Checks to make sure either multi-downloads are disabled, or a valid folder is given, or use_play_folder is checked.
if ($node->disable_multidownload == 0 and !is_dir(getcwd() . '/' . $node->download_folder) and $node->use_play_folder == 0) {
form_set_error('disable_multidownload', t("Please disable multi-file downloads if you are not going to use the feature."));
form_set_error('download_folder', t('Download directory does not exist. Make sure it has a trailing forward slash "/".'));
}
}
break;
}
}
}
function video_multidownload_download() {
if ($node = node_load(arg(1))) {
if (variable_get("video_multidownload", 0) == 0 or $node->disable_multidownload == 1) {
}
else if (arg(3) != '') { //If we are passed an encoded URL redirect to the downloader.
_video_multidownload_download_goto(arg(3), $node->vid, TRUE);
}
else { //Multiple file downloads is turned on.
$download_error = FALSE; //Initialize and clear the error flag.
$node->file_array = array(); //Initialize the final file array.
global $base_url;
$full_download_folder = getcwd() . '/' . $node->download_folder; //Get absolute path to folder.
//If the download folder is set and valid scan it for files.
if ($node->download_folder != '' and file_exists($full_download_folder)) {
$scan_download_folder = _video_multidownload_scandir($full_download_folder); //Get array of file names in the directory.
$scan_download_folder['local_dir'] = $full_download_folder; //For getting filesize.
$scan_download_folder['dir_stub'] = $node->download_folder; //To put in the URL.
$folder_array[] = $scan_download_folder;
}
//If option is set to use "play" folder and it exists, scan it for files.
$play_dir_stub = str_replace(basename($node->vidfile), "", $node->vidfile); //Remove the filename from the play file to get directory.
$play_dir = getcwd() . '/' . $play_dir_stub; //Get the local directory path where the file is kept.
if ($node->use_play_folder == 1 and file_exists($play_dir) and $play_dir_stub != '/') { //Make sure play stub won't allow scanning base drupal directory.
$scan_play_folder = _video_multidownload_scandir($play_dir);
$scan_play_folder['local_dir'] = $play_dir; //For getting filesize.
$scan_play_folder['dir_stub'] = $play_dir_stub; //To put in the URL.
$folder_array[] = $scan_play_folder;
}
if (count($folder_array) > 0) { //Make sure we have a folder to scan.
foreach ($folder_array as $dir_scan) { //Scan through one or both folders results.
foreach ($dir_scan as $file) { //Go through each file in the directory.
if (is_file($dir_scan['local_dir'] . "/" . $file)) { //Make sure it's a valid file.
//Checks the new file with the files already in the array to eliminate dupes.
$match = false;
foreach ($node->file_array as $file_array_file) {
if ($file_array_file['file'] == $file) { //If the file is already in the array.
$match = TRUE;
}
} //If we get here with $match still set FALSE we don't have a dupe.
$file_ext = substr($file, strrpos($file, '.') + 1); //Get the file extension.
$ext_array = explode(',', variable_get('video_download_ext', 'mov,wmv,avi'));
if (!$match and in_array($file_ext, $ext_array)) { //Only add file if it's not already in the array and it's extension shouldn't be hidden.
$file_array_size[] = filesize($dir_scan['local_dir'] . $file); //Create an array of the file sizes for sorting.
global $base_url;
$file_url = $base_url . '/' . $dir_scan['dir_stub'] . $file; //Generate absolute URL to video.
$file_url = str_replace(' ', '%20', $file_url); //Replace any spaces in filename.
$encoded_url = base64_encode($file_url); //Encode URL to base64 MIME value so it can be passed in URL.
$encoded_url = str_replace('/', '-', $encoded_url); //Replace "/" with "-" so it doesn't mess up the URL.
$node->file_array[] = array( 'file' => $file
, 'type' => $file_ext
, 'size' => filesize($dir_scan['local_dir'] . $file)
, 'encoded_url' => $encoded_url
);
}
} //Close the valid file check.
} //Close the directory scan.
} //Close scan location array.
if (count($node->file_array) > 0) { //Make sure atleast 1 file was found.
array_multisort($file_array_size, SORT_ASC, $node->file_array); //Sort based of file size.
}
else { //Else if no files were found in the directory.
$download_error = TRUE;
}
}
else { //Else if we have no valid folders to scan.
$download_error = TRUE;
}
//If there was no error send the files array to the theme function for display.
if($download_error == FALSE) {
print theme('video_multidownload_download', $node); //Print to the screen from the theme_video_download function.
}
else { //Else if there is an error download the play file.
_video_download_goto($node->vidfile, $node->vid);
}
} //Close multi-file downloads is turned on.
}
}
/**
* Outputs the HTML for the download page when multi-file download are turned on.
*
* @param $node
* object with node information
*
* @return
* string of content to display
*/
function theme_video_multidownload_download($node) {
$output = '';
//Replace some common file types with full name and links.
$find = array('mov', 'wmv', 'rm', 'avi', 'zip', 'divx', 'flv', 'ogg');
$replace = array('' . t('Quicktime') . ''
, '' . t('Windows Media') . ''
, '' . t('Real Media') . ''
, '' . t('AVI') . ''
, '' . t('ZIP') . ''
, '' . t('DIVX') . ''
, '' .t('Flash FLV') . ''
, ''.t('Ogg Theora FAQ') .', ' . t('Ogg Theora help') . ''
);
$output .= '
'; //Enclose all HTML in "videodownload" class.
foreach($node->file_array as $file) { //Goes through the array of video files and gets them ready for display.
$file_type = str_replace($find, $replace, $file['type']); //Match and replace common file types.
$link = l($file['file'], "node/$node->nid/multidownload/" . $file['encoded_url']); //Create link to download file.
$file_array_table[] = array($link, format_size($file['size']), $file_type); //Create table row.
}
$headers = array(t('File Link'), t('File Size'), t('File Type'));
$output .= theme_table($headers, $file_array_table); //Create the table of files.
$output .= '
'; //Close the "videodownload" class.
//Adds a breadcrumb back to view on the download page. This may not be needed but some better breadcrumbs are.
$breadcrumb = drupal_get_breadcrumb();
$breadcrumb[] = l(t('View'), "node/$node->nid");
drupal_set_breadcrumb($breadcrumb);
drupal_set_title(t('Downloading').' '. theme('placeholder', $node->title));
return theme("page", $output);
}
/**
* Scans a directory and returns an array of all the filenames in the directory.
* This function is only necessary to maintain PHP 4 support.
*
* @param $dir
* The directory. Can be an absolute path or relative from the current working directory.
*
* @return
* array of filenames.
*/
function _video_multidownload_scandir($dir) {
//Try a few different ways to open the directory.
if (is_dir($dir)) {
$dir_open = opendir($dir);
}
else if (is_dir($new_dir = getcwd() . $dir)) {
$dir_open = opendir($new_dir);
}
else if (is_dir($new_dir = getcwd() . '/' . $dir)) {
$dir_open = opendir($new_dir);
}
else { //If directory does not exist.
return FALSE;
}
if (!$dir_open) { //If opendir returned false then return false.
return FALSE;
}
//If it makes it this far $dir_open should be valid.
while (($dir_content = readdir($dir_open)) !== FALSE) {
$files[] = $dir_content;
}
return $files;
}
/**
* Forward user directly to the file for downloading
*
* @param $input_url
* string should be either a base64 encoded absolute URL, relative URL, or absolute URL.
*
* @param $vid
* integer node version ID of the node to have it's download counter updated.
*
* @param $base64_encoded
* boolean value determines whether the $input is base64 encoded.
*
* @return
* Nothing
*/
function _video_multidownload_download_goto($input_url, $vid, $base64_encoded) {
if (user_access('download video') && $base64_encoded) {
$encoded_url = str_replace('-', '/', $input_url); //Replace "-" to "/" for MIME base64.
$location = base64_decode($encoded_url);
if (variable_get('video_downloadcounter', 1)) {
db_query("UPDATE {video} SET download_counter = download_counter + 1 where vid = '%d'", $vid); //Increment download counter.
}
header("Location: $location"); //Redirect to the video files URL.
}
else { //If the user does not have access to download videos.
drupal_set_message(t('You do not have permission to download videos.'), 'error');
$node = node_load(array('vid' => $vid)); //Load a node with the $vid so we can get the nid.
drupal_goto("node/$node->nid"); //Use the nid we just loaded to go back to the node page.
}
}