/** * 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); }