/**
* Create method for this handler
*
* @return array of assets created
**/
public function create()
{
// Include needed files
require_once dirname(dirname(__DIR__)) . DS . 'tables' . DS . 'asset.association.php';
require_once dirname(dirname(__DIR__)) . DS . 'tables' . DS . 'asset.php';
require_once dirname(__DIR__) . DS . 'asset.php';
// Get the file
if (isset($_FILES['files'])) {
$file = $_FILES['files']['name'][0];
$size = (int) $_FILES['files']['size'];
// Get the file extension
$pathinfo = pathinfo($file);
$filename = $pathinfo['filename'];
$ext = $pathinfo['extension'];
} else {
return array('error' => 'No files provided');
}
// @FIXME: should these come from the global settings, or should they be courses specific
// Get config
$config = Component::params('com_media');
// Max upload size
$sizeLimit = (int) $config->get('upload_maxsize');
$sizeLimit = $sizeLimit * 1024 * 1024;
// Check to make sure we have a file and its not too big
if ($size == 0) {
return array('error' => 'File is empty');
}
if ($size > $sizeLimit) {
$max = preg_replace('/<abbr \\w+=\\"\\w+\\">(\\w{1,3})<\\/abbr>/', '$1', \Hubzero\Utility\Number::formatBytes($sizeLimit));
return array('error' => "File is too large. Max file upload size is {$max}");
}
// Create our asset table object
$assetObj = new Tables\Asset($this->db);
$this->asset['title'] = $filename;
$this->asset['type'] = !empty($this->asset['type']) ? $this->asset['type'] : 'file';
$this->asset['subtype'] = !empty($this->asset['subtype']) ? $this->asset['subtype'] : 'file';
$this->asset['url'] = $file;
$this->asset['created'] = Date::toSql();
$this->asset['created_by'] = App::get('authn')['user_id'];
$this->asset['course_id'] = Request::getInt('course_id', 0);
// Save the asset
if (!$assetObj->save($this->asset)) {
return array('error' => 'Asset save failed');
}
// Create asset assoc object
$assocObj = new Tables\AssetAssociation($this->db);
$this->assoc['asset_id'] = $assetObj->get('id');
$this->assoc['scope'] = Request::getCmd('scope', 'asset_group');
$this->assoc['scope_id'] = Request::getInt('scope_id', 0);
// Save the asset association
if (!$assocObj->save($this->assoc)) {
return array('error' => 'Asset association save failed');
}
// Get courses config
$cconfig = Component::params('com_courses');
// Build the upload path if it doesn't exist
$uploadDirectory = PATH_APP . DS . trim($cconfig->get('uploadpath', '/site/courses'), DS) . DS . $this->asset['course_id'] . DS . $this->assoc['asset_id'] . DS;
// Make sure upload directory exists and is writable
if (!is_dir($uploadDirectory)) {
if (!Filesystem::makeDirectory($uploadDirectory, 0755, true)) {
return array('error' => 'Server error. Unable to create upload directory');
}
}
if (!is_writable($uploadDirectory)) {
return array('error' => 'Server error. Upload directory isn\'t writable');
}
// Get the final file path
$target_path = $uploadDirectory . $filename . '.' . $ext;
// Move the file to the site folder
set_time_limit(60);
// Scan for viruses
if (!Filesystem::isSafe($_FILES['files']['tmp_name'][0])) {
// Scan failed, delete asset and association and return an error
$assetObj->delete();
$assocObj->delete();
Filesystem::deleteDirectory($uploadDirectory);
return array('error' => 'File rejected because the anti-virus scan failed.');
}
if (!($move = move_uploaded_file($_FILES['files']['tmp_name'][0], $target_path))) {
// Move failed, delete asset and association and return an error
$assetObj->delete();
$assocObj->delete();
Filesystem::deleteDirectory($uploadDirectory);
return array('error' => 'Move file failed');
}
// Get the url to return to the page
$course_id = Request::getInt('course_id', 0);
$offering_alias = Request::getCmd('offering', '');
$course = new \Components\Courses\Models\Course($course_id);
$url = Route::url('index.php?option=com_courses&controller=offering&gid=' . $course->get('alias') . '&offering=' . $offering_alias . '&asset=' . $assetObj->get('id'));
$url = rtrim(str_replace('/api', '', Request::root()), '/') . '/' . ltrim($url, '/');
$return_info = array('asset_id' => $this->assoc['asset_id'], 'asset_title' => $this->asset['title'], 'asset_type' => $this->asset['type'], 'asset_subtype' => $this->asset['subtype'], 'asset_url' => $url, 'course_id' => $this->asset['course_id'], 'offering_alias' => Request::getCmd('offering', ''), 'scope_id' => $this->assoc['scope_id'], 'asset_ext' => $ext, 'upload_path' => $uploadDirectory, 'target_path' => $target_path);
// Return info
return array('assets' => $return_info);
}
/**
* Create method for this handler
*
* @return array of assets created
**/
public function create()
{
// Include needed files
require_once dirname(dirname(__DIR__)) . DS . 'tables' . DS . 'asset.association.php';
require_once dirname(dirname(__DIR__)) . DS . 'tables' . DS . 'asset.php';
require_once dirname(__DIR__) . DS . 'asset.php';
// Get the file
if (isset($_FILES['files'])) {
$file = $_FILES['files']['name'][0];
$size = (int) $_FILES['files']['size'];
// Get the file extension
$pathinfo = pathinfo($file);
$filename = $pathinfo['filename'];
$ext = $pathinfo['extension'];
} else {
return array('error' => 'No files provided');
}
// @FIXME: should these come from the global settings, or should they be courses specific
// Get config
$config = Component::params('com_media');
// Max upload size
$sizeLimit = (int) $config->get('upload_maxsize');
$sizeLimit = $sizeLimit * 1024 * 1024;
// Check to make sure we have a file and its not too big
if ($size == 0) {
return array('error' => 'File is empty');
}
if ($size > $sizeLimit) {
$max = preg_replace('/<abbr \\w+=\\"\\w+\\">(\\w{1,3})<\\/abbr>/', '$1', \Hubzero\Utility\Number::formatBytes($sizeLimit));
return array('error' => "File is too large. Max file upload size is {$max}");
}
// get request vars
$course_id = Request::getInt('course_id', 0);
$offering_alias = Request::getCmd('offering', '');
$scope = Request::getCmd('scope', 'asset_group');
$scope_id = Request::getInt('scope_id', 0);
// get all assets in group
$assetGroup = new \Components\Courses\Models\Assetgroup($scope_id);
$assets = $assetGroup->assets();
// check to see if any of our assets are html5?
$hubpresenter = null;
foreach ($assets as $asset) {
if ($asset->get('type') == 'video' && $asset->get('subtype') == 'video' && in_array($asset->get('state'), array(0, 1)) && strpos($asset->get('url'), 'zip')) {
$hubpresenter = $asset;
break;
}
}
// make sure we have asset
if ($hubpresenter === null) {
return array('error' => 'Unable to locate html5 video or hubpresenter asset to attach subtitle file to.');
}
// build path to asset
$pathToAsset = $hubpresenter->path($course_id);
$pathToAssetFolder = trim(dirname($pathToAsset), DS);
// build target path
$target_path = PATH_APP . DS . $pathToAssetFolder . DS . $filename . '.' . $ext;
// Move the file to the site folder
set_time_limit(60);
// Scan for viruses
if (!Filesystem::isSafe($_FILES['files']['tmp_name'][0])) {
// Scan failed, return an error
return array('error' => 'File rejected because the anti-virus scan failed.');
}
// move file
if (!($move = move_uploaded_file($_FILES['files']['tmp_name'][0], $target_path))) {
// Move failed, delete asset and association and return an error
return array('error' => 'Move file failed');
}
// get json file
$jsonFile = $pathToAssetFolder . DS . 'presentation.json';
// get manifest
$manifest = file_get_contents(PATH_APP . DS . $jsonFile);
$manifest = json_decode($manifest);
// make sure we have a subtitles section
$currentSubtitles = array();
if (!isset($manifest->presentation->subtitles)) {
$manifest->presentation->subtitles = array();
} else {
foreach ($manifest->presentation->subtitles as $subtitle) {
$currentSubtitles[] = $subtitle->source;
}
}
// create subtitle details based on filename
$info = pathinfo($file);
$name = str_replace('-auto', '', $info['filename']);
$autoplay = strstr($info['filename'], '-auto') ? 1 : 0;
$source = $file;
// use only the last segment from name (ex. ThisIsATest.English => English)
$nameParts = explode('.', $name);
$name = array_pop($nameParts);
// add subtitle
$subtitle = new stdClass();
$subtitle->type = 'SRT';
$subtitle->name = ucfirst($name);
$subtitle->source = $source;
$subtitle->autoplay = $autoplay;
// only add sub if we dont already have it
if (!in_array($subtitle->source, $currentSubtitles)) {
$manifest->presentation->subtitles[] = $subtitle;
}
// update json file
file_put_contents(PATH_APP . DS . $jsonFile, json_encode($manifest, JSON_PRETTY_PRINT));
//parse subtitle file
$lines = self::_parseSubtitleFile($target_path);
// make transcript file
$transcript = '';
foreach ($lines as $line) {
$transcript .= ' ' . trim($line->text);
}
// trim transcript and replace add slide markers
$transcript = str_replace(array("\r\n", "\n"), array('', ''), $transcript);
$transcript = preg_replace("/\\[([^\\]]*)\\]/ux", "\n\n[\$1]", $transcript);
// add title to transcript
$transcript = $manifest->presentation->title . PHP_EOL . str_repeat('==', 20) . PHP_EOL . ltrim($transcript, PHP_EOL);
// Create our asset table object
$assetObj = new Tables\Asset($this->db);
$this->asset['title'] = 'Video Transcript';
$this->asset['type'] = 'file';
$this->asset['subtype'] = 'file';
$this->asset['url'] = $info['filename'] . '.txt';
$this->asset['created'] = Date::toSql();
$this->asset['created_by'] = App::get('authn')['user_id'];
$this->asset['course_id'] = $course_id;
// Save the asset
if (!$assetObj->save($this->asset)) {
return array('error' => 'Asset save failed');
}
// Create asset assoc object
$assocObj = new Tables\AssetAssociation($this->db);
$this->assoc['asset_id'] = $assetObj->get('id');
$this->assoc['scope'] = $scope;
$this->assoc['scope_id'] = $scope_id;
// Save the asset association
if (!$assocObj->save($this->assoc)) {
return array('error' => 'Asset association save failed');
}
// Get courses config
$cconfig = Component::params('com_courses');
// Build the upload path if it doesn't exist
$uploadDirectory = PATH_APP . DS . trim($cconfig->get('uploadpath', '/site/courses'), DS) . DS . $this->asset['course_id'] . DS . $this->assoc['asset_id'] . DS;
// Make sure upload directory exists and is writable
if (!is_dir($uploadDirectory)) {
if (!Filesystem::makeDirectory($uploadDirectory)) {
return array('error' => 'Server error. Unable to create upload directory');
}
}
if (!is_writable($uploadDirectory)) {
return array('error' => 'Server error. Upload directory isn\'t writable');
}
// Get the final file path
$transcript_target_path = $uploadDirectory . $this->asset['url'];
// make transcript file
file_put_contents($transcript_target_path, $transcript);
// Get the url to return to the page
$course_id = Request::getInt('course_id', 0);
$offering_alias = Request::getCmd('offering', '');
$course = new \Components\Courses\Models\Course($course_id);
$url = Route::url('index.php?option=com_courses&controller=offering&gid=' . $course->get('alias') . '&offering=' . $offering_alias . '&asset=' . $assetObj->get('id'));
// build return info
$return_info = array('asset_id' => $this->assoc['asset_id'], 'asset_title' => $this->asset['title'], 'asset_type' => $this->asset['type'], 'asset_subtype' => $this->asset['subtype'], 'asset_url' => $url, 'course_id' => $this->asset['course_id'], 'offering_alias' => Request::getCmd('offering', ''), 'scope_id' => $this->assoc['scope_id'], 'asset_ext' => 'txt', 'upload_path' => $uploadDirectory, 'target_path' => $transcript_target_path);
// Return info
return array('assets' => $return_info);
}