<?php

    require_once(dirname(dirname(__FILE__))."/engine/engine.php");

    gatekeeper();
	action_gatekeeper();

    global $Dippler;

	$course = (int)get_input('course_id');
	$id = get_input('outcome_id');
	$title = get_input('outcome_title');
	$categories = get_input('outcome_categories', array());

	// Cache variables
	$input_values = array();
	$input_values['outcome_title'] = $title;
	$input_values['outcome_categories'] = $categories;
    $_SESSION['input_values'] = $input_values;

	if (empty($title)) {
		$Dippler->add_system_message(_("At least one of the parameters is empty."), 'error');
		forward("course/outcomes/{$course}/outcome/{$id}/edit");
	} else if (empty($course)) {
	    $Dippler->add_system_message(_("Course not found"), 'error');
		forward('courses/my');
	} else if (empty($id)) {
	    $Dippler->add_system_message(_("Learning Outcome not found"), 'error');
		forward("course/outcomes/{$course}");
	} else {
		$lo = new LearningOutcome($id);
		$lo->load();
		$lo->title = $title;
		$lo->course = $course;
		$new_cats = array();
		$data_categories = $Dippler->listCourseCategoriesFull($course);
		foreach ($categories as $cat_id) {
		    $new_cats[$cat_id] = $data_categories[$cat_id];
		    //$new_cats[$cat_id] = new Category($cat_id);
		}
		$lo->categories = $new_cats;
        $lo_id = $lo->save();
		if (!$lo_id) {
		    $Dippler->add_system_message(_("Learning Outcome could not be saved."), 'error');
            forward("course/outcomes/{$course}/outcome/{$id}/edit");
		}

		$Dippler->add_system_message(_("Learning Outcome saved."));

		// Clear cache
        $Dippler->clearSessionInputValues();
		forward("course/outcomes/{$course}");
	}

	forward('courses/my');
?>