<?php

	/**
	 * Task Manager: edit task action
	 */

	// Make sure we're logged in (send us to the front page if not)
	gatekeeper();

    // Make sure action is secure
    action_gatekeeper();

	// Get input data
    $entity_guid = (int) get_input('task_guid');
    $title = get_input('title');
    $startline = get_input('startline');
    $deadline = get_input('deadline');
    $target = get_input('target');
    $lecturer = get_input('lecturer');
    $task = get_input('task');
    $competencies = get_input('competencies');
    $hassubtasks = get_input('hassubtasks');

	// Cache to the session
    $_SESSION['title'] = $title;
    $_SESSION['startline'] = $startline;
    $_SESSION['deadline'] = $deadline;
	$_SESSION['target'] = $target;
	$_SESSION['lecturer'] = $lecturer;
	$_SESSION['task'] = $task;
	$_SESSION['competencies'] = $competencies;
	$_SESSION['hassubtasks'] = $hassubtasks;
	
    $errors = false;    
	// Make sure the title / description aren't blank
	if (empty($title)) {
        /*translation:Fill missing fields*/
        register_error(elgg_echo('task_manager:fill_missing_fields'));
	    $errors = true;
    }
    if ($errors) {
        forward("mod/task_manager/add_task.php");        
	// Otherwise, create course announcement
	} else if ($entity_guid){
		$task_obj = get_entity($entity_guid);
		$task_obj->access_id = 1;
		// Set its title and description appropriately
        $task_obj->title = $title;
        // Make date to timestamp conversions
        if (!empty($startline))
            $startline = dateIntoTimestamp($startline);
        $task_obj->startline = $startline;
        if (!empty($deadline))
            $deadline = dateIntoTimestamp($deadline);
        $task_obj->deadline = $deadline;
		$task_obj->target = $target;
		saveTargetRealations($task_obj->getGUID(), $target);	
		$task_obj->lecturer = $lecturer;
        $task_obj->task = $task;
        $task_obj->competencies = $competencies;
        $task_obj->hassubtasks = $hassubtasks;
        if (get_input('collections')) {
            saveSubTask(get_input('collections'), $task_obj->getGUID());
        }
        
        // Before we can set metadata, we need to save the object
        if (!$task_obj->save()) {
            /*translation:Wasn't able to edit task. Please try again.*/
			register_error(elgg_echo("task_manager:task_edit_failure"));
			forward("mod/task_manager/add_task.php");
		}
        		
        // Remove course announcement from cache
		unset($_SESSION['title']); unset($_SESSION['startline']); unset($_SESSION['deadline']); unset($_SESSION['target']); unset($_SESSION['lecturer']); unset($_SESSION['task']); unset($_SESSION['competencies']); unset($_SESSION['hassubtasks']);
        // Forward to task
		forward("pg/task_manager/task/" . $task_obj->getGUID());				

    }
		
?>