add_course.lib.inc.php

完美的在线教育系统

<?php //$id: $
/* 
==============================================================================
	Dokeos - elearning and course management software

	Copyright (c) 2004-2008 Dokeos SPRL
	Copyright (c) various contributors

	For a full list of contributors, see "credits.txt".
	The full license can be read in "license.txt".

	This program is free software; you can redistribute it and/or
	modify it under the terms of the GNU General Public License
	as published by the Free Software Foundation; either version 2
	of the License, or (at your option) any later version.

	See the GNU General Public License for more details.

	Contact address: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium 
	[e-mail]
==============================================================================
*/
/**
==============================================================================
* This is the course creation library for Dokeos.
* It contains functions to create a course.
* Include/require it in your code to use its functionality.
*
* @package dokeos.library
* @todo clean up horrible structure, script is unwieldy, for example easier way to deal with
* different tool visibility settings: ALL_TOOLS_INVISIBLE, ALL_TOOLS_VISIBLE, CORE_TOOLS_VISIBLE...
==============================================================================
*/

include_once (api_get_path(LIBRARY_PATH).'database.lib.php');

/*
==============================================================================
		FUNCTIONS
==============================================================================
*/

/**
* Not tested yet.
* We need this new function so not every script that creates courses needs
* to be changed when the behaviour necessary to create a course changes.
* This will reduce bugs.
* @param	string	Course code requested (might be altered to match possible values)
* @param	string	Course title
* @param	string	Tutor name
* @param	integer	Course category code
* @param	string	Course language
* @param	integer Course admin ID
* @param	string	DB prefix
* @param	integer	Expiration delay in unix timestamp
* @return true if the course creation was succesful, false otherwise.
*/
function create_course($wanted_code, $title, $tutor_name, $category_code, $course_language, $course_admin_id, $db_prefix, $firstExpirationDelay)
{
	$keys = define_course_keys($wanted_code, "", $db_prefix);

	if(sizeof($keys))
	{
		$visual_code = $keys["currentCourseCode"];
		$code = $keys["currentCourseId"];
		$db_name = $keys["currentCourseDbName"];
		$directory = $keys["currentCourseRepository"];
		$expiration_date = time() + $firstExpirationDelay;

		prepare_course_repository($directory, $code);
		update_Db_course($db_name);
		fill_course_repository($directory);
		fill_Db_course($db_name, $directory, $course_language);
		add_course_role_right_location_values($code);
		register_course($code, $visual_code, $directory, $db_name, $tutor_name, $category_code, $title, $course_language, $course_admin_id, $expiration_date);

		return true;
	}
	else
		return false;
}


function generate_course_code($course_title)
{
	//$wantedCode = strtr($course_title, "锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟