/**
* Copy an entry and associated data
*
* @param integer $offering_id New offering to copy to
* @param boolean $deep Copy associated data?
* @return boolean True on success, false on error
*/
public function copy($offering_id = null, $deep = true)
{
// Get some old info we may need
// - Unit ID
// - Offering ID
$u_id = $this->get('id');
$o_id = $this->get('offering_id');
// Reset the ID. This will force store() to create a new record.
$this->set('id', 0);
// Are we copying to a new offering?
if ($offering_id) {
$this->set('offering_id', $offering_id);
} else {
// Copying to the same offering so we want to distinguish
// this unit from the one we copied from
$this->set('title', $this->get('title') . ' (copy)');
$this->set('alias', $this->get('alias') . '_copy');
}
if (!$this->store()) {
return false;
}
if ($deep) {
// Copy assets
$tbl = new Tables\AssetAssociation($this->_db);
//foreach ($this->assets(array('asset_scope_id' => $u_id)) as $asset)
foreach ($tbl->find(array('scope_id' => $u_id, 'scope' => 'unit')) as $asset) {
$tbl->bind($asset);
$tbl->id = 0;
$tbl->scope_id = $this->get('id');
//if (!$asset->copy($this->get('id')))
if (!$tbl->store()) {
$this->setError($tbl->getError());
}
}
// Copy asset groups
foreach ($this->assetgroups(null, array('unit_id' => $u_id, 'parent' => 0)) as $assetgroup) {
if (!$assetgroup->copy($this->get('id'), $deep)) {
$this->setError($assetgroup->getError());
}
}
}
return true;
}
/**
* Cancel a course page task
*
* @return void
*/
public function reorderTask()
{
// Check for request forgeries
Request::checkToken();
$move = $this->_task == 'orderup' ? -1 : 1;
// Incoming
$id = Request::getVar('id', array());
$id = $id[0];
$tmpl = Request::getVar('tmpl', '');
$scope = Request::getVar('scope', 'asset_group');
$scope_id = Request::getInt('scope_id', 0);
$course_id = Request::getInt('course_id', 0);
// Get the element moving down - item 1
$tbl = new Tables\AssetAssociation($this->database);
$tbl->loadByAssetScope($id, $scope_id, $scope);
if (!$tbl->move($move, "scope=" . $this->database->Quote($scope) . " AND scope_id=" . $this->database->Quote(intval($scope_id)))) {
echo $tbl->getError();
return;
}
App::redirect(Route::url('index.php?option=' . $this->_option . '&controller=' . $this->_controller . '&tmpl=' . $tmpl . '&scope=' . $scope . '&scope_id=' . $scope_id . '&course_id=' . $course_id, false));
}
/**
* 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]);
}
/**
* Copy an entry and associated data
*
* @param integer $course_id New course to copy to
* @param boolean $deep Copy associated data?
* @return boolean True on success, false on error
*/
public function copy($course_id = null, $deep = true)
{
// Get some old info we may need
// - Offering ID
// - Course ID
$o_id = $this->get('id');
$c_id = $this->get('course_id');
$oldOfferingAssets = $this->assets();
// Reset the ID. This will force store() to create a new record.
$this->set('id', 0);
// Are we copying to a new course?
if ($course_id) {
$this->set('course_id', $course_id);
} else {
// Copying to the same course so we want to distinguish
// this offering from the one we copied from
$this->set('title', $this->get('title') . ' (copy)');
$this->set('alias', $this->get('alias') . '_copy');
}
if (!$this->store()) {
return false;
}
if ($deep) {
// Copy pages
foreach ($this->pages(array('offering_id' => $o_id, 'active' => array(0, 1)), true) as $page) {
if (!$page->copy($this->get('course_id'), $this->get('id'))) {
$this->setError($page->getError());
}
}
// Copy units
foreach ($this->units(array('offering_id' => $o_id, 'section_id' => -1), true) as $unit) {
if (!$unit->copy($this->get('id'))) {
$this->setError($unit->getError());
}
}
// Copy logo
if ($file = $this->logo('file')) {
$src = DS . trim($this->config('uploadpath', '/site/courses'), '/') . DS . $c_id . '/offerings/' . $o_id . DS . $file;
if (file_exists(PATH_APP . $src)) {
$dest = DS . trim($this->config('uploadpath', '/site/courses'), '/') . DS . $this->get('course_id') . '/offerings/' . $this->get('id');
if (!is_dir(PATH_APP . $dest)) {
if (!Filesystem::makeDirectory(PATH_APP . $dest)) {
$this->setError(Lang::txt('UNABLE_TO_CREATE_UPLOAD_PATH'));
}
}
$dest .= DS . $file;
if (!Filesystem::copy(PATH_APP . $src, PATH_APP . $dest)) {
$this->setError(Lang::txt('Failed to copy offering logo.'));
}
}
}
// Copy assets (grab the assets from the original offering)
if ($oldOfferingAssets) {
foreach ($oldOfferingAssets as $asset) {
$oldAssetId = $asset->get('id');
if (!$asset->copy()) {
$this->setError($asset->getError());
} else {
// Copy asset associations
$tbl = new Tables\AssetAssociation($this->_db);
foreach ($tbl->find(array('scope_id' => $o_id, 'scope' => 'offering', 'asset_id' => $oldAssetId)) as $aa) {
$tbl->bind($aa);
$tbl->id = 0;
$tbl->scope_id = $this->get('id');
$tbl->asset_id = $asset->get('id');
if (!$tbl->store()) {
$this->setError($tbl->getError());
}
}
}
}
}
}
return true;
}
