/**
* Displays an edit form
*
* @return void
*/
public function editTask($model = null)
{
Request::setVar('hidemainmenu', 1);
if (!is_object($model)) {
// Incoming
$id = Request::getVar('id', array(0));
// Get the single ID we're working with
if (is_array($id)) {
$id = !empty($id) ? $id[0] : '';
}
$model = new \Components\Courses\Models\Assetgroup($id);
}
$this->view->row = $model;
if (!$this->view->row->get('unit_id')) {
$this->view->row->set('unit_id', Request::getInt('unit', 0));
}
$this->view->unit = \Components\Courses\Models\Unit::getInstance($this->view->row->get('unit_id'));
$this->view->offering = \Components\Courses\Models\Offering::getInstance($this->view->unit->get('offering_id'));
$rows = $this->view->unit->assetgroups();
// establish the hierarchy of the menu
$children = array(0 => array());
$levellimit = 500;
// first pass - collect children
foreach ($rows as $v) {
$children[0][] = $v;
$children[$v->get('id')] = $v->children();
}
// second pass - get an indent list of the items
$this->view->assetgroups = $this->treeRecurse(0, '', array(), $children, max(0, $levellimit - 1));
// Set any errors
foreach ($this->getErrors() as $error) {
\Notify::error($error);
}
// Output the HTML
$this->view->setLayout('edit')->display();
}
defined('_HZEXEC_') or die;
$results = null;
$notes = $this->model->notes($this->filters);
if ($notes) {
foreach ($notes as $note) {
$ky = $note->get('scope_id');
if (!isset($results[$ky])) {
$results[$ky] = array();
}
$results[$ky][] = $note;
}
}
$base = $this->offering->link();
if ($results) {
foreach ($results as $id => $notes) {
$lecture = new \Components\Courses\Models\Assetgroup($id);
$unit = \Components\Courses\Models\Unit::getInstance($lecture->get('unit_id'));
echo $this->escape(stripslashes($lecture->get('title'))) . "\n";
echo '--------------------------------------------------' . "\n";
foreach ($notes as $note) {
echo '#' . $note->get('id');
if ($note->get('timestamp') != '00:00:00') {
echo ' video time: ' . $this->escape($note->get('timestamp'));
}
echo "\n";
echo $this->escape(stripslashes($note->get('content')));
echo "\n\n";
}
echo "\n";
}
}
/**
* Removes a course and all associated information
*
* @return void
*/
public function deleteTask()
{
// Check for request forgeries
Request::checkToken();
// Incoming
$ids = Request::getVar('id', array());
$ids = !is_array($ids) ? array($ids) : $ids;
$num = 0;
// Do we have any IDs?
if (!empty($ids)) {
foreach ($ids as $id) {
// Load the course page
$model = \Components\Courses\Models\Unit::getInstance($id);
// Ensure we found the course info
if (!$model->exists()) {
continue;
}
// Delete course
if (!$model->delete()) {
throw new Exception(Lang::txt('COM_COURSES_ERROR_UNABLE_TO_REMOVE_ENTRY'), 500);
}
// Log the course approval
$log = new Tables\Log($this->database);
$log->scope_id = $id;
$log->scope = 'course_unit';
$log->user_id = User::get('id');
$log->timestamp = Date::toSql();
$log->action = 'unit_deleted';
$log->actor_id = User::get('id');
if (!$log->store()) {
$this->setError($log->getError());
}
$num++;
}
}
// Redirect back to the courses page
App::redirect(Route::url('index.php?option=' . $this->_option . '&controller=' . $this->_controller . '&offering=' . Request::getInt('offering', 0), false), Lang::txt('COM_COURSES_ITEMS_REMOVED', $num));
}
/**
* Method to get/set the current unit
*
* @param mixed $id ID or alias of specific unit
* @return object \Components\Courses\Models\Unit
*/
public function unit($id = null)
{
if (!isset($this->_unit) || $id !== null && (int) $this->_unit->get('id') != $id && (string) $this->_unit->get('alias') != $id) {
$this->_unit = null;
if (isset($this->_units)) {
foreach ($this->units() as $key => $unit) {
if ((int) $unit->get('id') == $id || (string) $unit->get('alias') == $id) {
$this->_unit = $unit;
$units = $this->units();
$this->_unit->siblings($units);
break;
}
}
}
if (is_null($this->_unit)) {
$this->_unit = Unit::getInstance($id, $this->get('id'));
}
}
return $this->_unit;
}
/**
* Actions to perform after deleting an assetgroup
*
* @param object $model \Components\Courses\Models\Assetgroup
* @return void
*/
public function onAssetgroupDelete($assetgroup)
{
if (!$assetgroup->exists()) {
return;
}
require_once PATH_CORE . DS . 'components' . DS . 'com_courses' . DS . 'models' . DS . 'unit.php';
$db = App::get('db');
$unit = \Components\Courses\Models\Unit::getInstance($assetgroup->get('unit_id'));
// Attempt to load an associated category
$category = new \Components\Forum\Tables\Category($db);
$category->loadByObject($assetgroup->get('id'), null, $unit->get('offering_id'), 'course');
// Was a category found?
if ($category->id && $category->state != 2) {
// Mark as deleted
$category->state = 2;
if ($category->check()) {
$category->store();
}
// Mark all threads in category as deleted
$thread = new \Components\Forum\Tables\Post($db);
$thread->setStateByCategory($category->get('id'), 2);
}
// Bit of recursion here for nested asset groups
if ($assetgroup->children(null, true)->total() > 0) {
foreach ($assetgroup->children() as $child) {
$this->onAssetgroupDelete($child);
}
}
}
/**
* Actions to perform after deleting an assetgroup
*
* @param object $model \Components\Courses\Models\Assetgroup
* @return void
*/
public function onAssetgroupDelete($assetgroup)
{
if (!$assetgroup->exists()) {
return;
}
require_once PATH_CORE . DS . 'components' . DS . 'com_courses' . DS . 'models' . DS . 'unit.php';
$unit = \Components\Courses\Models\Unit::getInstance($assetgroup->get('unit_id'));
// Attempt to load an associated category
$category = Category::all()->whereEquals('object_id', $assetgroup->get('id'))->whereEquals('scope', 'course')->whereEquals('scope_id', $unit->get('offering_id'))->whereEquals('state', Category::STATE_PUBLISHED)->row();
// Was a category found?
if ($category->get('id') && $category->get('state') != Category::STATE_DELETED) {
// Mark as deleted
// Note: State will carry through to threads under this category.
$category->set('state', Category::STATE_DELETED);
$category->save();
}
// Bit of recursion here for nested asset groups
if ($assetgroup->children(null, true)->total() > 0) {
foreach ($assetgroup->children() as $child) {
$this->onAssetgroupDelete($child);
}
}
}
/**
* Saves a course unit
*
* @apiMethod POST
* @apiUri /courses/unit/save
* @apiParameter {
* "name": "id",
* "description": "Unit ID to edit",
* "type": "integer",
* "required": false,
* "default": null
* }
* @apiParameter {
* "name": "section_id",
* "description": "Section ID of unit",
* "type": "integer",
* "required": false,
* "default": null
* }
* @apiParameter {
* "name": "offering_id",
* "description": "Offering ID of unit",
* "type": "integer",
* "required": false,
* "default": null
* }
* @apiParameter {
* "name": "title",
* "description": "Unit title",
* "type": "string",
* "required": false,
* "default": "New Unit"
* }
* @apiParameter {
* "name": "publish_up",
* "description": "Start publishing date",
* "type": "string",
* "required": false,
* "default": null
* }
* @apiParameter {
* "name": "publish_down",
* "description": "Stop publishing date",
* "type": "string",
* "required": false,
* "default": null
* }
* @return void
*/
public function saveTask()
{
// Require authentication and authorization
$this->authorizeOrFail();
// Make sure we have an incoming 'id'
$id = Request::getInt('id', null);
// Create our unit model
$unit = Unit::getInstance($id);
// Check to make sure we have a unit object
if (!is_object($unit)) {
App::abort(500, 'Failed to instantiate a unit object');
}
if ($section_id = Request::getInt('section_id', false)) {
$unit->set('section_id', $section_id);
}
// We'll always save the title again, even if it's just to the same thing
$title = $unit->get('title');
$title = !empty($title) ? $title : 'New Unit';
// Set our values
$unit->set('title', Request::getString('title', $title));
$unit->set('alias', strtolower(str_replace(' ', '', $unit->get('title'))));
$offset = Config::get('offset');
// If we have dates coming in, save those
if ($publish_up = Request::getVar('publish_up', false)) {
$unit->set('publish_up', Date::of($publish_up, $offset)->toSql());
}
if ($publish_down = Request::getVar('publish_down', false)) {
$unit->set('publish_down', Date::of($publish_down, $offset)->toSql());
}
// When creating a new unit
if (!$id) {
$unit->set('offering_id', Request::getInt('offering_id', 0));
$unit->set('created', Date::toSql());
$unit->set('created_by', App::get('authn')['user_id']);
}
// Save the unit
if (!$unit->store()) {
App::abort(500, "Saving unit {$id} failed ({$unit->getError()})");
}
// Create a placeholder for our return object
$assetGroups = [];
// If this is a new unit, give it some default asset groups
// Create a top level asset group for each of lectures, homework, and exam
if (!$id) {
// Get the courses config
$config = Component::params('com_courses');
$asset_groups = explode(',', $config->get('default_asset_groups', 'Lectures, Homework, Exam'));
array_map('trim', $asset_groups);
foreach ($asset_groups as $key) {
// Get our asset group object
$assetGroup = new Assetgroup(null);
$assetGroup->set('title', $key);
$assetGroup->set('alias', strtolower(str_replace(' ', '', $assetGroup->get('title'))));
$assetGroup->set('unit_id', $unit->get('id'));
$assetGroup->set('parent', 0);
$assetGroup->set('created', Date::toSql());
$assetGroup->set('created_by', App::get('authn')['user_id']);
// Save the asset group
if (!$assetGroup->store()) {
App::abort(500, 'Asset group save failed');
}
$return = new stdclass();
$return->assetgroup_id = $assetGroup->get('id');
$return->assetgroup_title = $assetGroup->get('title');
$return->course_id = $this->course_id;
$return->assetgroup_style = '';
$assetGroups[] = $return;
}
}
// Need to return the content of the prerequisites view (not sure of a better way to do this at the moment)
// @FIXME: need to handle this another way...shouldn't be loading up views from API!
/*$view = new \Hubzero\Plugin\View(array(
'folder' => 'courses',
'element' => 'outline',
'name' => 'outline',
'layout' => '_prerequisites'
));
$view->set('scope', 'unit')
->set('scope_id', $unit->get('id'))
->set('section_id', $this->course->offering()->section()->get('id'))
->set('items', clone($this->course->offering()->units()));*/
// Return message
$this->send(['unit_id' => $unit->get('id'), 'unit_title' => $unit->get('title'), 'course_id' => $this->course_id, 'assetgroups' => $assetGroups, 'course_alias' => $this->course->get('alias'), 'offering_alias' => $this->offering_alias, 'section_id' => isset($section_id) ? $section_id : $this->course->offering()->section()->get('id'), 'prerequisites' => ''], $id ? 200 : 201);
}
