/**
* 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 an item entry
*
* @param integer $id Optional ID to use
* @return boolean
*/
public function make($id = null)
{
if ($this->exists()) {
return true;
}
$id = $id ?: Request::getInt('id', 0);
include_once Component::path('com_courses') . DS . 'models' . DS . 'courses.php';
$course = null;
if (!$id) {
$course = \Components\Courses\Models\Course::getInstance(Request::getVar('gid', ''));
$id = $course->get('id');
}
$this->_tbl->loadType($id, $this->_type);
if ($this->exists()) {
return true;
}
if (!$course) {
$course = new \Components\Courses\Models\Course($id);
}
if (!$course->exists()) {
$this->setError(Lang::txt('Course not found.'));
return false;
}
$this->set('type', $this->_type)->set('object_id', $course->get('id'))->set('created', $course->get('created'))->set('created_by', $course->get('created_by'))->set('title', $course->get('title'))->set('description', String::truncate($course->get('blurb'), 200))->set('url', Route::url($course->link()));
if (!$this->store()) {
return false;
}
return true;
}
/**
* Saves changes to a course or saves a new entry if creating
*
* @return void
*/
public function saveTask()
{
// Check for request forgeries
Request::checkToken();
// Incoming
$fields = Request::getVar('fields', array(), 'post', 'none', 2);
$fields = array_map('trim', $fields);
// Initiate extended database class
$row = new \Components\Courses\Models\Course(0);
if (!$row->bind($fields)) {
$this->setError($row->getError());
$this->editTask($row);
return;
}
// Store content
if (!$row->store(true)) {
$this->setError($row->getError());
$this->editTask($row);
return;
}
$tags = Request::getVar('tags', '', 'post');
$row->tag($tags, User::get('id'));
if ($this->_task == 'apply') {
return $this->editTask($row);
}
// Output messsage and redirect
App::redirect(Route::url('index.php?option=' . $this->_option . '&controller=' . $this->_controller, false), Lang::txt('COM_COURSES_ITEM_SAVED'));
}
*/
// No direct access
defined('_HZEXEC_') or die;
$this->css()->js();
?>
<div id="related-courses" class="after section">
<h3>
<?php
echo count($this->ids) > 1 ? Lang::txt('PLG_COURSES_RELATED_OTHER_BY_INSTRUCTORS') : Lang::txt('PLG_COURSES_RELATED_OTHER_BY_INSTRUCTOR');
?>
</h3>
<?php
$i = 0;
$cls = '';
foreach ($this->courses as $course) {
$course = new \Components\Courses\Models\Course($course);
$i++;
if ($i == 3) {
$cls = ' omega';
$i = 0;
}
if ($i == 1) {
?>
<div class="grid">
<?php
}
?>
<div class="course-block col span-third<?php
if ($cls) {
echo $cls;
}
/**
* Create method for this handler
*
* @return array of assets created
**/
public function create()
{
// Include needed files
require_once dirname(dirname(__DIR__)) . DS . 'tables' . DS . 'asset.association.php';
require_once dirname(dirname(__DIR__)) . DS . 'tables' . DS . 'asset.php';
require_once dirname(__DIR__) . DS . 'asset.php';
// Get the file
if (isset($_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);
}
/**
* Save method for this handler
* // @FIXME: reduce code duplication here
*
* @return array of assets created
**/
public function save()
{
// Include needed files
require_once PATH_CORE . DS . 'components' . DS . 'com_courses' . DS . 'models' . DS . 'asset.php';
// Create our asset object
$id = Request::getInt('id', null);
$asset = new \Components\Courses\Models\Asset($id);
// Grab the incoming content
$content = Request::getVar('content', '', 'default', 'none', 2);
// Get everything ready to store
// Check if vars are already set (i.e. by a sub class), before setting them here
$asset->set('title', !empty($this->asset['title']) ? $this->asset['title'] : strip_tags(substr($content, 0, 25)));
$asset->set('type', !empty($this->asset['type']) ? $this->asset['type'] : 'text');
$asset->set('subtype', !empty($this->asset['subtype']) ? $this->asset['subtype'] : 'content');
$asset->set('content', !empty($this->asset['content']) ? $this->asset['content'] : $content);
// If we have a state coming in as an int
if ($graded = Request::getInt('graded', false)) {
$asset->set('graded', $graded);
// By default, weight asset as a 'homework' type
$grade_weight = $asset->get('grade_weight');
if (empty($grade_weight)) {
$asset->set('grade_weight', 'homework');
} else {
$asset->set('grade_weight', $grade_weight);
}
} elseif ($graded = Request::getInt('edit_graded', false)) {
$asset->set('graded', 0);
}
// If we're saving progress calculation var
if ($progress = Request::getInt('progress_factors', false)) {
$asset->set('progress_factors', array('asset_id' => $asset->get('id'), 'section_id' => Request::getInt('section_id', 0)));
} elseif (Request::getInt('edit_progress_factors', false)) {
$asset->set('section_id', Request::getInt('section_id', 0));
$asset->set('progress_factors', 'delete');
}
// Save the asset
if (!$asset->store()) {
return array('error' => 'Asset save failed');
}
$scope_id = Request::getInt('scope_id', null);
$original_scope_id = Request::getInt('original_scope_id', null);
$scope = Request::getCmd('scope', 'asset_group');
// Only worry about this if scope id is changing
if (!is_null($scope_id) && !is_null($original_scope_id) && $scope_id != $original_scope_id) {
// Create asset assoc object
require_once PATH_CORE . DS . 'components' . DS . 'com_courses' . DS . 'tables' . DS . 'asset.association.php';
$assoc = new Tables\AssetAssociation($this->db);
if (!$assoc->loadByAssetScope($asset->get('id'), $original_scope_id, $scope)) {
return array('error' => 'Failed to load asset association');
}
// Save the asset association
if (!$assoc->save(array('scope_id' => $scope_id))) {
return array('error' => 'Asset association save 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);
$course->offering($offering_alias);
$url = Route::url($course->offering()->link() . '&asset=' . $asset->get('id'));
$url = rtrim(str_replace('/api', '', Request::root()), '/') . '/' . ltrim($url, '/');
$files = array('asset_id' => $asset->get('id'), 'asset_title' => $asset->get('title'), 'asset_type' => $asset->get('type'), 'asset_subtype' => $asset->get('subtype'), 'asset_url' => $url, 'asset_state' => $asset->get('state'), 'scope_id' => $scope_id);
$return_info = array('asset_id' => $asset->get('id'), 'asset_title' => $asset->get('title'), 'asset_type' => $asset->get('type'), 'asset_subtype' => $asset->get('subtype'), 'asset_url' => $url, 'course_id' => $asset->get('course_id'), 'offering_alias' => $offering_alias, 'scope_id' => $scope_id, 'files' => array($files));
// Return info
return array('assets' => $return_info);
}
