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chamilo-lms
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Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/coursecopy/classes/Course.class.php

369 lines
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Minor - Adding new license
15 years ago
<?php
/* For licensing terms, see /license.txt */
Bug #5208 - Training bacup/restore tool: Cleaning code.
15 years ago
require_once 'LinkCategory.class.php';
require_once 'Announcement.class.php';
require_once 'Event.class.php';
[svn r9834] desactivate upgrade button (not yet tested)
18 years ago
/**
* A course-object to use in Export/Import/Backup/Copy
* @author Bart Mollet <bart.mollet@hogent.be>
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* @package chamilo.backup
[svn r9834] desactivate upgrade button (not yet tested)
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*/
class Course
{
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public $resources;
public $code;
public $path;
public $destination_path;
public $destination_db;
public $encoding;
Feature #272 - Course restorer: Now the imported course is converted to the system encoding. For example, in UTF-8 system you may import old 1.8.x archives that have ISO-8859-15 encoding.
15 years ago
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/**
* Create a new Course-object
*/
public function __construct()
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{
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$this->resources = array();
$this->code = '';
$this->path = '';
$this->backup_path = '';
$this->encoding = api_get_system_encoding();
}
/**
* Check if a resource links to the given resource
*/
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function is_linked_resource(& $resource_to_check)
{
foreach ($this->resources as $type => $resources) {
if (is_array($resources)) {
foreach ($resources as $id => $resource) {
if ($resource->links_to($resource_to_check) ) {
return true;
}
if ($type == RESOURCE_LEARNPATH && get_class($resource)=='CourseCopyLearnpath') {
if ($resource->has_item($resource_to_check)) {
return true;
}
}
}
}
}
return false;
}
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/**
* Add a resource from a given type to this course
*/
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function add_resource(& $resource)
{
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$this->resources[$resource->get_type()][$resource->get_id()] = $resource;
}
/**
* Does this course has resources?
* @param const $resource_type Check if this course has resources of the
* given type. If no type is given, check if course has resources of any
* type.
*/
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function has_resources($resource_type = null)
{
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if( $resource_type != null) {
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return isset($this->resources[$resource_type]) && is_array($this->resources[$resource_type]) && (count(
$this->resources[$resource_type]
) > 0);
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}
return (count($this->resources) > 0);
}
Minor - fixing PHP warnings
11 years ago
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/**
* Show this course resources
*/
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function show()
{ /*
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echo '<pre>';
print_r($this);
echo '</pre>';*/
}
/**
* Returns sample text based on the imported course content.
* This sample text is to be used for course language or encoding detection if there is missing (meta)data in the archive.
* @return string The resulting sample text extracted from some common resources' data fields.
*/
Minor - fixing PHP warnings
11 years ago
public function get_sample_text()
{
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$sample_text = '';
foreach ($this->resources as $type => & $resources) {
if (count($resources) > 0) {
foreach ($resources as $id => & $resource) {
$title = '';
$description = '';
switch ($type) {
case RESOURCE_ANNOUNCEMENT:
$title = $resource->title;
$description = $resource->content;
break;
case RESOURCE_DOCUMENT:
$title = $resource->title;
$description = $resource->comment;
break;
case RESOURCE_EVENT:
$title = $resource->title;
$description = $resource->content;
break;
case RESOURCE_FORUM:
$title = $resource->title;
$description = $resource->description;
break;
Feature #272 - Course restorer: Encoding detection for course archives has been added. It is necessary for importing archives that are created with systems older than 1.8.6.1. Next to do: The read/detected encoding value should be used for data conversion.
15 years ago
Minor - format code.
11 years ago
case RESOURCE_FORUMCATEGORY:
$title = $resource->title;
$description = $resource->description;
break;
case RESOURCE_FORUMPOST:
$title = $resource->title;
$description = $resource->text;
break;
case RESOURCE_FORUMTOPIC:
$title = $resource->title;
break;
case RESOURCE_GLOSSARY:
$title = $resource->name;
$description = $resource->description;
break;
case RESOURCE_LEARNPATH:
$title = $resource->name;
$description = $resource->description;
break;
case RESOURCE_LINK:
$title = $resource->title;
$description = $resource->description;
break;
case RESOURCE_LINKCATEGORY:
$title = $resource->title;
$description = $resource->description;
break;
case RESOURCE_QUIZ:
$title = $resource->title;
$description = $resource->description;
break;
Restore test_categories #ref6828 #ref6818
11 years ago
case RESOURCE_TEST_CATEGORY:
$title = $resource->title;
$description = $resource->description;
break;
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case RESOURCE_QUIZQUESTION:
$title = $resource->question;
$description = $resource->description;
break;
case RESOURCE_SCORM:
$title = $resource->title;
break;
case RESOURCE_SURVEY:
$title = $resource->title;
$description = $resource->subtitle;
break;
case RESOURCE_SURVEYQUESTION:
$title = $resource->survey_question;
$description = $resource->survey_question_comment;
break;
case RESOURCE_TOOL_INTRO:
$description = $resource->intro_text;
break;
case RESOURCE_WIKI:
$title = $resource->title;
$description = $resource->content;
break;
case RESOURCE_THEMATIC:
$title = $resource->title;
$description = $resource->content;
break;
case RESOURCE_ATTENDANCE:
$title = $resource->params['name'];
$description = $resource->params['description'];
break;
Added copy of work/assignments to coursecopy - refs #6599
11 years ago
case RESOURCE_WORK:
$title = $resource->title;
$description = $resource->description;
break;
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11 years ago
default:
break;
}
$title = api_html_to_text($title);
$description = api_html_to_text($description);
if (!empty($title)) {
$sample_text .= $title."\n";
}
if (!empty($description)) {
$sample_text .= $description."\n";
}
if (!empty($title) || !empty($description)) {
$sample_text .= "\n";
}
}
}
}
return $sample_text;
}
/**
* Converts to the system encoding all the language-sensitive fields in the imported course.
*/
public function to_system_encoding()
{
if (api_equal_encodings($this->encoding, api_get_system_encoding())) {
return;
}
foreach ($this->resources as $type => & $resources) {
if (count($resources) > 0) {
foreach ($resources as $id => & $resource) {
switch ($type) {
case RESOURCE_ANNOUNCEMENT:
$resource->title = api_to_system_encoding($resource->title, $this->encoding);
$resource->content = api_to_system_encoding($resource->content, $this->encoding);
break;
case RESOURCE_DOCUMENT:
$resource->title = api_to_system_encoding($resource->title, $this->encoding);
$resource->comment = api_to_system_encoding($resource->comment, $this->encoding);
break;
case RESOURCE_EVENT:
$resource->title = api_to_system_encoding($resource->title, $this->encoding);
$resource->content = api_to_system_encoding($resource->content, $this->encoding);
break;
case RESOURCE_FORUM:
$resource->title = api_to_system_encoding($resource->title, $this->encoding);
$resource->description = api_to_system_encoding($resource->description, $this->encoding);
break;
case RESOURCE_FORUMCATEGORY:
$resource->title = api_to_system_encoding($resource->title, $this->encoding);
$resource->description = api_to_system_encoding($resource->description, $this->encoding);
break;
case RESOURCE_FORUMPOST:
$resource->title = api_to_system_encoding($resource->title, $this->encoding);
$resource->text = api_to_system_encoding($resource->text, $this->encoding);
$resource->poster_name = api_to_system_encoding($resource->poster_name, $this->encoding);
break;
case RESOURCE_FORUMTOPIC:
$resource->title = api_to_system_encoding($resource->title, $this->encoding);
$resource->topic_poster_name = api_to_system_encoding($resource->topic_poster_name, $this->encoding);
$resource->title_qualify = api_to_system_encoding($resource->title_qualify, $this->encoding);
break;
case RESOURCE_GLOSSARY:
$resource->name = api_to_system_encoding($resource->name, $this->encoding);
$resource->description = api_to_system_encoding($resource->description, $this->encoding);
break;
case RESOURCE_LEARNPATH:
$resource->name = api_to_system_encoding($resource->name, $this->encoding);
$resource->description = api_to_system_encoding($resource->description, $this->encoding);
$resource->content_maker = api_to_system_encoding($resource->content_maker, $this->encoding);
$resource->content_license = api_to_system_encoding($resource->content_license, $this->encoding);
//$resource->author = api_to_system_encoding($resource->author, $this->encoding); // Needs implamantation.
break;
case RESOURCE_LINK:
$resource->title = api_to_system_encoding($resource->title, $this->encoding);
$resource->description = api_to_system_encoding($resource->description, $this->encoding);
break;
case RESOURCE_LINKCATEGORY:
$resource->title = api_to_system_encoding($resource->title, $this->encoding);
$resource->description = api_to_system_encoding($resource->description, $this->encoding);
break;
case RESOURCE_QUIZ:
$resource->title = api_to_system_encoding($resource->title, $this->encoding);
$resource->description = api_to_system_encoding($resource->description, $this->encoding);
break;
case RESOURCE_QUIZQUESTION:
$resource->question = api_to_system_encoding($resource->question, $this->encoding);
$resource->description = api_to_system_encoding($resource->description, $this->encoding);
if (is_array($resource->answers) && count($resource->answers) > 0) {
foreach ($resource->answers as $index => & $answer) {
$answer['answer'] = api_to_system_encoding($answer['answer'], $this->encoding);
$answer['comment'] = api_to_system_encoding($answer['comment'], $this->encoding);
}
}
break;
Feature #272 - Course restorer: Now the imported course is converted to the system encoding. For example, in UTF-8 system you may import old 1.8.x archives that have ISO-8859-15 encoding.
15 years ago
Restore test_categories #ref6828 #ref6818
11 years ago
case RESOURCE_TEST_CATEGORY:
$resource->title = api_to_system_encoding($resource->title, $this->encoding);
$resource->description = api_to_system_encoding($resource->description, $this->encoding);
break;
Minor - format code.
11 years ago
case RESOURCE_SCORM:
$resource->title = api_to_system_encoding($resource->title, $this->encoding);
break;
case RESOURCE_SURVEY:
$resource->title = api_to_system_encoding($resource->title, $this->encoding);
$resource->subtitle = api_to_system_encoding($resource->subtitle, $this->encoding);
$resource->author = api_to_system_encoding($resource->author, $this->encoding);
$resource->intro = api_to_system_encoding($resource->intro, $this->encoding);
$resource->surveythanks = api_to_system_encoding($resource->surveythanks, $this->encoding);
break;
case RESOURCE_SURVEYQUESTION:
$resource->survey_question = api_to_system_encoding($resource->survey_question, $this->encoding);
$resource->survey_question_comment = api_to_system_encoding($resource->survey_question_comment, $this->encoding);
break;
case RESOURCE_TOOL_INTRO:
$resource->intro_text = api_to_system_encoding($resource->intro_text, $this->encoding);
break;
case RESOURCE_WIKI:
$resource->title = api_to_system_encoding($resource->title, $this->encoding);
$resource->content = api_to_system_encoding($resource->content, $this->encoding);
$resource->reflink = api_to_system_encoding($resource->reflink, $this->encoding);
break;
Added copy of work/assignments to coursecopy - refs #6599
11 years ago
case RESOURCE_WORK:
$resource->url = api_to_system_encoding($resource->url, $this->encoding);
$resource->title = api_to_system_encoding($resource->title, $this->encoding);
$resource->description = api_to_system_encoding($resource->description, $this->encoding);
break;
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11 years ago
default:
break;
}
}
}
}
$this->encoding = api_get_system_encoding();
}
Minor - removing white spaces
12 years ago
/**
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* Serialize the course with the best serializer available
*/
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public static function serialize($course)
{
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if (extension_loaded('igbinary')) {
return igbinary_serialize($course);
} else {
return serialize($course);
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12 years ago
}
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}
Minor - removing white spaces
12 years ago
Minor - format code.
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/**
* Unserialize the course with the best serializer available
*/
Minor - fixing PHP warnings
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public static function unserialize($course)
{
Minor - format code.
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if (extension_loaded('igbinary')) {
return igbinary_unserialize($course);
} else {
return unserialize($course);
}
}
Minor - fixing PHP warnings
11 years ago
}