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- <?php // $Id: CourseBuilder.class.php 19948 2009-04-21 17:27:59Z juliomontoya $
- /*
- ==============================================================================
- Dokeos - elearning and course management software
- Copyright (c) 2004 Dokeos S.A.
- Copyright (c) 2003 Ghent University (UGent)
- Copyright (c) 2001 Universite catholique de Louvain (UCL)
- Copyright (c) Bart Mollet (bart.mollet@hogent.be)
- 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, 44 rue des palais, B-1030 Brussels, Belgium
- Mail: info@dokeos.com
- ==============================================================================
- */
- require_once ('Course.class.php');
- require_once ('Event.class.php');
- require_once ('Link.class.php');
- require_once ('ToolIntro.class.php');
- require_once ('Document.class.php');
- require_once ('ScormDocument.class.php');
- require_once ('LinkCategory.class.php');
- require_once ('CourseDescription.class.php');
- require_once ('ForumPost.class.php');
- require_once ('ForumTopic.class.php');
- require_once ('Forum.class.php');
- require_once ('ForumCategory.class.php');
- require_once ('Quiz.class.php');
- require_once ('QuizQuestion.class.php');
- require_once ('Learnpath.class.php');
- require_once ('Survey.class.php');
- require_once ('SurveyQuestion.class.php');
- /**
- * Class which can build a course-object from a Dokeos-course.
- * @author Bart Mollet <bart.mollet@hogent.be>
- * @package dokeos.backup
- */
- class CourseBuilder
- {
- /**
- * The course
- */
- var $course;
- /**
- * Create a new CourseBuilder
- */
- function CourseBuilder($type='')
- {
- global $_course;
- $this->course = new Course();
- $this->course->code = $_course['official_code'];
- $this->course->type = $type;
- $this->course->path = api_get_path(SYS_COURSE_PATH).$_course['path'].'/';
- $this->course->backup_path = api_get_path(SYS_COURSE_PATH).$_course['path'];
- }
- /**
- * Get the created course
- * @return course The course
- */
- function get_course()
- {
- return $this->course;
- }
- /**
- * Build the course-object
- */
- function build()
- {
- $this->build_events();
- $this->build_announcements();
- $this->build_links();
- $this->build_tool_intro();
- //$this->build_forums();
- $this->build_documents();
- $this->build_course_descriptions();
- $this->build_quizzes();
- $this->build_learnpaths();
- $this->build_surveys();
-
- //TABLE_LINKED_RESOURCES is the "resource" course table, which is deprecated, apparently
- $table = Database :: get_course_table(TABLE_LINKED_RESOURCES);
- foreach ($this->course->resources as $type => $resources)
- {
- foreach ($resources as $id => $resource)
- {
- $sql = "SELECT * FROM ".$table." WHERE source_type = '".$resource->get_type()."' AND source_id = '".$resource->get_id()."'";
- $res = api_sql_query($sql, __FILE__, __LINE__);
- while ($link = Database::fetch_object($res))
- {
- $this->course->resources[$type][$id]->add_linked_resource($link->resource_type, $link->resource_id);
- }
- }
- }
- $table = Database :: get_course_table(TABLE_ITEM_PROPERTY);
- foreach ($this->course->resources as $type => $resources)
- {
- foreach ($resources as $id => $resource)
- {
- $tool = $resource->get_tool();
- if ($tool != null)
- {
- $sql = "SELECT * FROM $table WHERE TOOL = '".$tool."' AND ref='".$resource->get_id()."'";
- $res = api_sql_query($sql,__FILE__,__LINE__);
- $all_properties = array ();
- while ($item_property = Database::fetch_array($res))
- {
- $all_properties[] = $item_property;
- }
- $this->course->resources[$type][$id]->item_properties = $all_properties;
- }
- }
- }
- return $this->course;
- }
- /**
- * Build the documents
- */
- function build_documents()
- {
- $table_doc = Database :: get_course_table(TABLE_DOCUMENT);
- $table_prop = Database :: get_course_table(TABLE_ITEM_PROPERTY);
-
- if (!empty($this->course->type) && $this->course->type=='partial')
- $sql = 'SELECT * FROM '.$table_doc.' d, '.$table_prop.' p WHERE tool = \''.TOOL_DOCUMENT.'\' AND p.ref = d.id AND p.visibility != 2 AND path NOT LIKE \'/images/gallery%\' ORDER BY path';
- else
- $sql = 'SELECT * FROM '.$table_doc.' d, '.$table_prop.' p WHERE tool = \''.TOOL_DOCUMENT.'\' AND p.ref = d.id AND p.visibility != 2 ORDER BY path';
-
- $db_result = api_sql_query($sql, __FILE__, __LINE__);
- while ($obj = Database::fetch_object($db_result))
- {
- $doc = new Document($obj->id, $obj->path, $obj->comment, $obj->title, $obj->filetype, $obj->size);
- $this->course->add_resource($doc);
- }
- }
- /**
- * Build the forums
- */
- function build_forums()
- {
- $table = Database :: get_course_table(TABLE_FORUM);
- $sql = 'SELECT * FROM '.$table;
- $db_result = api_sql_query($sql, __FILE__, __LINE__);
- while ($obj = Database::fetch_object($db_result))
- {
- $forum = new Forum($obj->forum_id, $obj->forum_name, $obj->forum_description, $obj->cat_id, $obj->forum_last_post_id);
- $this->course->add_resource($forum);
- $this->build_forum_category($obj->cat_id);
- }
- $this->build_forum_topics();
- $this->build_forum_posts();
- }
- /**
- * Build a forum-category
- */
- function build_forum_category($id)
- {
- $table = Database :: get_course_table(TABLE_FORUM_CATEGORY);
- $sql = 'SELECT * FROM '.$table.' WHERE cat_id = '.$id;
- $db_result = api_sql_query($sql, __FILE__, __LINE__);
- while ($obj = Database::fetch_object($db_result))
- {
- $forum_category = new ForumCategory($obj->cat_id, $obj->cat_title);
- $this->course->add_resource($forum_category);
- }
- }
- /**
- * Build the forum-topics
- */
- function build_forum_topics()
- {
- $table = Database :: get_course_table(TABLE_FORUM_POST);
- $sql = 'SELECT * FROM '.$table;
- $db_result = api_sql_query($sql, __FILE__, __LINE__);
- while ($obj = Database::fetch_object($db_result))
- {
- $forum_topic = new ForumTopic($obj->topic_id, $obj->topic_title, $obj->topic_time, $obj->prenom, $obj->nom, $obj->topic_notify, $obj->forum_id, $obj->topic_last_post_id);
- $this->course->add_resource($forum_topic);
- }
- }
- /**
- * Build the forum-posts
- */
- function build_forum_posts()
- {
- $table_post = Database :: get_course_table(TABLE_FORUM_POST);
- $table_posttext = Database :: get_course_table(TOOL_FORUM_POST_TEXT_TABLE);
- $sql = 'SELECT * FROM '.$table_post.' p,'.$table_posttext.' pt WHERE p.post_id = pt.post_id';
- $db_result = api_sql_query($sql, __FILE__, __LINE__);
- while ($obj = Database::fetch_object($db_result))
- {
- $forum_post = new ForumPost($obj->post_id, $obj->post_title, $obj->post_text, $obj->post_time, $obj->poster_ip, $obj->prenom, $obj->nom, $obj->topic_notify, $obj->parent_id, $obj->topic_id);
- $this->course->add_resource($forum_post);
- }
- }
- /**
- * Build the links
- */
- function build_links()
- {
- $table = Database :: get_course_table(TABLE_LINK);
- $table_prop = Database :: get_course_table(TABLE_ITEM_PROPERTY);
- $sql = "SELECT * FROM $table l, $table_prop p WHERE p.ref=l.id AND p.tool = '".TOOL_LINK."' AND p.visibility != 2 ORDER BY l.display_order";
- $db_result = api_sql_query($sql, __FILE__, __LINE__);
- while ($obj = Database::fetch_object($db_result))
- {
- $link = new Link($obj->id, $obj->title, $obj->url, $obj->description, $obj->category_id, $obj->on_homepage);
- $this->course->add_resource($link);
- $res = $this->build_link_category($obj->category_id);
- if($res > 0)
- {
- $this->course->resources[RESOURCE_LINK][$obj->id]->add_linked_resource(RESOURCE_LINKCATEGORY, $obj->category_id);
- }
- }
- }
- /**
- * Build tool intro
- */
- function build_tool_intro()
- {
- $table = Database :: get_course_table(TABLE_TOOL_INTRO);
- $sql = 'SELECT * FROM '.$table;
- $db_result = api_sql_query($sql, __FILE__, __LINE__);
- while ($obj = Database::fetch_object($db_result))
- {
- $tool_intro = new ToolIntro($obj->id, $obj->intro_text);
- $this->course->add_resource($tool_intro);
- }
- }
- /**
- * Build a link category
- */
- function build_link_category($id)
- {
- $link_cat_table = Database :: get_course_table(TABLE_LINK_CATEGORY);
- $sql = 'SELECT * FROM '.$link_cat_table.' WHERE id = '.$id;
- $db_result = api_sql_query($sql, __FILE__, __LINE__);
- while ($obj = Database::fetch_object($db_result))
- {
- $link_category = new LinkCategory($obj->id, $obj->category_title, $obj->description, $obj->display_order);
- $this->course->add_resource($link_category);
- return $id;
- }
- return 0;
- }
- /**
- * Build the Quizzes
- */
- function build_quizzes()
- {
- $table_qui = Database :: get_course_table(TABLE_QUIZ_TEST);
- $table_rel = Database :: get_course_table(TABLE_QUIZ_TEST_QUESTION);
- $table_doc = Database :: get_course_table(TABLE_DOCUMENT);
- $sql = 'SELECT * FROM '.$table_qui.' WHERE active >=0'; //select only quizzes with active = 0 or 1 (not -1 which is for deleted quizzes)
- $db_result = api_sql_query($sql, __FILE__, __LINE__);
- while ($obj = Database::fetch_object($db_result))
- {
- if (strlen($obj->sound) > 0)
- {
- $doc = Database::fetch_object(api_sql_query("SELECT id FROM ".$table_doc." WHERE path = '/audio/".$obj->sound."'"));
- $obj->sound = $doc->id;
- }
- $quiz = new Quiz($obj->id, $obj->title, $obj->description, $obj->random, $obj->type, $obj->active, $obj->sound, $obj->attempts);
- $sql = 'SELECT * FROM '.$table_rel.' WHERE exercice_id = '.$obj->id;
- $db_result2 = api_sql_query($sql, __FILE__, __LINE__);
- while ($obj2 = Database::fetch_object($db_result2))
- {
- $quiz->add_question($obj2->question_id);
- }
- $this->course->add_resource($quiz);
- }
- $this->build_quiz_questions();
- }
- /**
- * Build the Quiz-Questions
- */
- function build_quiz_questions()
- {
- $table_que = Database :: get_course_table(TABLE_QUIZ_QUESTION);
- $table_ans = Database :: get_course_table(TABLE_QUIZ_ANSWER);
- $sql = 'SELECT * FROM '.$table_que;
- $db_result = api_sql_query($sql, __FILE__, __LINE__);
- while ($obj = Database::fetch_object($db_result))
- {
- $question = new QuizQuestion($obj->id, $obj->question, $obj->description, $obj->ponderation, $obj->type, $obj->position, $obj->picture,$obj->level);
- $sql = 'SELECT * FROM '.$table_ans.' WHERE question_id = '.$obj->id;
- $db_result2 = api_sql_query($sql, __FILE__, __LINE__);
- while ($obj2 = Database::fetch_object($db_result2))
- {
- $question->add_answer($obj2->answer, $obj2->correct, $obj2->comment, $obj2->ponderation, $obj2->position, $obj2->hotspot_coordinates, $obj2->hotspot_type);
- }
- $this->course->add_resource($question);
- }
- }
- /**
- * Build the Surveys
- */
- function build_surveys()
- {
- $table_survey = Database :: get_course_table(TABLE_SURVEY);
- $table_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
- $sql = 'SELECT * FROM '.$table_survey;
- $db_result = api_sql_query($sql, __FILE__, __LINE__);
- while ($obj = Database::fetch_object($db_result))
- {
- $survey = new Survey($obj->survey_id, $obj->code,$obj->title,
- $obj->subtitle, $obj->author, $obj->lang,
- $obj->avail_from, $obj->avail_till, $obj->is_shared,
- $obj->template, $obj->intro, $obj->surveythanks,
- $obj->creation_date, $obj->invited, $obj->answered,
- $obj->invite_mail, $obj->reminder_mail);
- $sql = 'SELECT * FROM '.$table_question.' WHERE survey_id = '.$obj->survey_id;
- $db_result2 = api_sql_query($sql, __FILE__, __LINE__);
- while ($obj2 = Database::fetch_object($db_result2))
- {
- $survey->add_question($obj2->question_id);
- }
- $this->course->add_resource($survey);
- }
- $this->build_survey_questions();
- }
- /**
- * Build the Survey Questions
- */
- function build_survey_questions()
- {
- $table_que = Database :: get_course_table(TABLE_SURVEY_QUESTION);
- $table_opt = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
- $sql = 'SELECT * FROM '.$table_que;
- $db_result = api_sql_query($sql, __FILE__, __LINE__);
- while ($obj = Database::fetch_object($db_result))
- {
- $question = new SurveyQuestion($obj->question_id, $obj->survey_id,
- $obj->survey_question, $obj->survey_question_comment,
- $obj->type, $obj->display, $obj->sort,
- $obj->shared_question_id, $obj->max_value);
- $sql = 'SELECT * FROM '.$table_opt.' WHERE question_id = '."'".$obj->question_id."'";
- $db_result2 = api_sql_query($sql, __FILE__, __LINE__);
- while ($obj2 = Database::fetch_object($db_result2))
- {
- $question->add_answer($obj2->option_text, $obj2->sort);
- }
- $this->course->add_resource($question);
- }
- }
- /**
- * Build the announcements
- */
- function build_announcements()
- {
- $table = Database :: get_course_table(TABLE_ANNOUNCEMENT);
- $sql = 'SELECT * FROM '.$table;
- $db_result = api_sql_query($sql, __FILE__, __LINE__);
- while ($obj = Database::fetch_object($db_result))
- {
- $announcement = new Announcement($obj->id, $obj->title, $obj->content, $obj->end_date,$obj->display_order,$obj->email_sent);
- $this->course->add_resource($announcement);
- }
- }
- /**
- * Build the events
- */
- function build_events()
- {
- $table = Database :: get_course_table(TABLE_AGENDA);
- $sql = 'SELECT * FROM '.$table;
- $db_result = api_sql_query($sql, __FILE__, __LINE__);
- while ($obj = Database::fetch_object($db_result))
- {
- $event = new Event($obj->id, $obj->title, $obj->content, $obj->start_date, $obj->end_date);
- $this->course->add_resource($event);
- }
- }
- /**
- * Build the course-descriptions
- */
- function build_course_descriptions()
- {
- $table = Database :: get_course_table(TABLE_COURSE_DESCRIPTION);
- $sql = 'SELECT * FROM '.$table;
- $db_result = api_sql_query($sql, __FILE__, __LINE__);
- while ($obj = Database::fetch_object($db_result))
- {
- $cd = new CourseDescription($obj->id, $obj->title, $obj->content);
- $this->course->add_resource($cd);
- }
- }
- /**
- * Build the learnpaths
- */
- function build_learnpaths()
- {
- $table_main = Database :: get_course_table(TABLE_LP_MAIN);
- $table_item = Database :: get_course_table(TABLE_LP_ITEM);
- $table_tool = Database::get_course_table(TABLE_TOOL_LIST);
- $sql = 'SELECT * FROM '.$table_main;
- $db_result = api_sql_query($sql, __FILE__, __LINE__);
- while ($obj = Database::fetch_object($db_result))
- {
- $items = array();
- $sql_items = "SELECT * FROM ".$table_item." WHERE lp_id = ".$obj->id."";
- $db_items = api_sql_query($sql_items);
- while ($obj_item = Database::fetch_object($db_items))
- {
- $item['id'] = $obj_item->id;
- $item['item_type'] = $obj_item->item_type;
- $item['ref'] = $obj_item->ref;
- $item['title'] = $obj_item->title;
- $item['description'] = $obj_item->description;
- $item['path'] = $obj_item->path;
- $item['min_score'] = $obj_item->min_score;
- $item['max_score'] = $obj_item->max_score;
- $item['mastery_score'] = $obj_item->mastery_score;
- $item['parent_item_id'] = $obj_item->parent_item_id;
- $item['previous_item_id'] = $obj_item->previous_item_id;
- $item['next_item_id'] = $obj_item->next_item_id;
- $item['display_order'] = $obj_item->display_order;
- $item['prerequisite'] = $obj_item->prerequisite;
- $item['parameters'] = $obj_item->parameters;
- $item['launch_data'] = $obj_item->launch_data;
- $items[] = $item;
- }
- $sql_tool = "SELECT id FROM ".$table_tool." WHERE (link LIKE '%lp_controller.php%lp_id=".$obj->id."%' and image='scormbuilder.gif') AND visibility='1'";
- $db_tool = api_sql_query($sql_tool);
- if(Database::num_rows($db_tool))
- {
- $visibility='1';
- }
- else
- {
- $visibility='0';
- }
- $lp = new Learnpath($obj->id,
- $obj->lp_type,
- $obj->name,
- $obj->path,
- $obj->ref,
- $obj->description,
- $obj->content_local,
- $obj->default_encoding,
- $obj->default_view_mod,
- $obj->prevent_reinit,
- $obj->force_commit,
- $obj->content_maker,
- $obj->display_order,
- $obj->js_lib,
- $obj->content_license,
- $obj->debug,
- $visibility,
- $items);
- $this->course->add_resource($lp);
- }
- //save scorm directory (previously build_scorm_documents())
- $i = 1;
- if($dir=@opendir($this->course->backup_path.'/scorm'))
- {
- while($file=readdir($dir))
- {
- if(is_dir($this->course->backup_path.'/scorm/'.$file) && !in_array($file,array('.','..')))
- {
- $doc = new ScormDocument($i++, '/'.$file, $file);
- $this->course->add_resource($doc);
- }
- }
- closedir($dir);
- }
- }
- }
- ?>
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