/**
* Deletes an asset
*
* @apiMethod POST
* @apiUri /courses/asset/delete
* @apiParameter {
* "name": "asset_id",
* "description": "ID of asset to delete",
* "type": "integer",
* "required": true,
* "default": null
* }
* @apiParameter {
* "name": "scope",
* "description": "Asset scope",
* "type": "string",
* "required": true,
* "default": null
* }
* @apiParameter {
* "name": "scope_id",
* "description": "Asset scope ID",
* "type": "integer",
* "required": true,
* "default": null
* }
* @return void
*/
public function deleteTask()
{
// Require authentication and authorization
$this->authorizeOrFail();
// First, delete the asset association
$database = App::get('db');
$assocObj = new AssetAssociation($database);
// Get vars
$asset_id = Request::getInt('asset_id', 0);
$scope = Request::getCmd('scope', 'asset_group');
$scope_id = Request::getInt('scope_id', 0);
// Make sure we're not missing anything
if (!$asset_id || !$scope || !$scope_id) {
// Missing needed variables to identify asset association
App::abort(404, 'Missing one of asset id, scope, or scope id');
} else {
// Try to load the association
if (!$assocObj->loadByAssetScope($asset_id, $scope_id, $scope)) {
App::abort(500, 'Loading asset association failed');
} else {
// Delete the association
if (!$assocObj->delete()) {
App::abort(500, $assocObj->getError());
}
}
}
// Then, lookup whether or not there are other assocations connected to this asset
$assetObj = new AssetTbl($database);
if (!$assetObj->load($asset_id)) {
App::abort(500, "Loading asset {$id} failed");
}
// See if the asset is orphaned
if (!$assetObj->isOrphaned()) {
// Asset isn't an orphan (i.e. it's still being used elsewhere), so we're done
$this->send(['asset_id' => $assetObj->id]);
return;
}
// If no other associations exist, we'll delete the asset file and folder on the file system
$deleted = [];
$params = Component::params('com_courses');
$path = DS . trim($params->get('uploadpath', '/site/courses'), DS) . DS . $this->course_id . DS . $assetObj->id;
// If the path exists, delete it!
if (Filesystem::exists($path)) {
$deleted = Filesystem::listFolderTree($path);
Filesystem::deleteDirectory($path);
}
// Then we'll delete the asset entry itself
if (!$assetObj->delete()) {
App::abort(500, $assetObj->getError());
}
// Return message
$this->send(['asset_id' => $assetObj->id, 'deleted' => $deleted]);
}
/**
* Save a course page
*
* @return void
*/
public function saveTask()
{
// Check for request forgeries
Request::checkToken();
// load the request vars
$fields = Request::getVar('fields', array(), 'post', 'none', 2);
$tmpl = Request::getVar('tmpl', '');
// instatiate course page object for saving
$row = new Tables\Asset($this->database);
if (!$row->bind($fields)) {
$this->setError($row->getError());
$this->editTask($row);
return;
}
if (!$row->check()) {
$this->setError($row->getError());
$this->editTask($row);
return;
}
if (!$row->store()) {
$this->setError($row->getError());
$this->editTask($row);
return;
}
$fields['asset_id'] = $row->get('id');
$row2 = new Tables\AssetAssociation($this->database);
$row2->loadByAssetScope($fields['asset_id'], $fields['scope_id'], $fields['scope']);
if (!$row2->id) {
if (!$row2->bind($fields)) {
$this->setError($row2->getError());
$this->editTask($row);
return;
}
if (!$row2->check()) {
$this->setError($row2->getError());
$this->editTask($row);
return;
}
if (!$row2->store()) {
$this->setError($row2->getError());
$this->editTask($row);
return;
}
}
// Rename the temporary upload directory if it exist
$lid = $fields['lid'];
if ($lid != $row->get('id')) {
$path = PATH_APP . DS . trim($this->config->get('uploadpath', '/site/courses'), DS) . DS . $fields['course_id'];
if (is_dir($path . DS . $lid)) {
if (!Filesystem::move($path . DS . $lid, $path . DS . $row->get('id'))) {
$this->setError(Lang::txt('UNABLE_TO_MOVE_PATH'));
}
}
}
// Incoming file
/*$file = Request::getVar('upload', '', 'files', 'array');
if ($file['name'])
{
$path = PATH_APP . DS . trim($this->config->get('uploadpath', '/site/courses'), DS) . DS . $fields['course_id'] . DS . $row->id;
// Make sure the upload path exist
if (!is_dir($path))
{
if (!\Filesystem::makeDirectory($path))
{
$this->setError(Lang::txt('UNABLE_TO_CREATE_UPLOAD_PATH').' '.$path);
$this->editTask($row);
return;
}
}
// Make the filename safe
$file['name'] = Filesystem::clean($file['name']);
// Ensure file names fit.
$ext = Filesystem::extension($file['name']);
$file['name'] = str_replace(' ', '_', $file['name']);
if (strlen($file['name']) > 230)
{
$file['name'] = substr($file['name'], 0, 230);
$file['name'] .= '.' . $ext;
}
// Perform the upload
if (!\Filesystem::upload($file['tmp_name'], $path . DS . $file['name']))
{
$this->setError(Lang::txt('ERROR_UPLOADING'));
}
else
{
if (strtolower($ext) == 'zip')
{
require_once(PATH_CORE . DS . 'includes' . DS . 'pcl' . DS . 'pclzip.lib.php');
if (!extension_loaded('zlib'))
{
$this->setError(Lang::txt('ZLIB_PACKAGE_REQUIRED'));
}
else
{
$zip = new PclZip($path . DS . $file['name']);
// unzip the file
if (!($do = $zip->extract($path)))
{
$this->setError(Lang::txt('UNABLE_TO_EXTRACT_PACKAGE'));
}
else
{
@unlink($path . DS . $file['name']);
$file['name'] = 'presentation.json';
}
}
}
// Set the url
$row->set('url', $file['name']);
$row->store();
}
}*/
if ($tmpl == 'component') {
if ($this->getError()) {
echo '<p class="error">' . $this->getError() . '</p>';
} else {
echo '<p class="message">' . Lang::txt('COM_COURSES_ITEM_SAVED') . '</p>';
}
return;
}
App::redirect(Route::url('index.php?option=' . $this->_option . '&controller=' . $this->_controller . '&tmpl=' . $tmpl . '&scope=' . $fields['scope'] . '&scope_id=' . $fields['scope_id'] . '&course_id=' . $fields['course_id'], false));
}
