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568 lines
28 KiB
568 lines
28 KiB
<?php
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/* For licensing terms, see /license.txt */
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require_once 'Course.class.php';
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/**
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* Class to delete items from a Chamilo-course
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* @author Bart Mollet <bart.mollet@hogent.be>
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* @package chamilo.backup
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*/
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class CourseRecycler
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{
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/**
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* A course-object with the items to delete
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*/
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public $course;
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public $type;
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/**
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* Create a new CourseRecycler
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* @param course $course The course-object which contains the items to
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* delete
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*/
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function CourseRecycler($course) {
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$this->course = $course;
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$this->course_info = api_get_course_info($this->course->code);
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$this->course_id = $this->course_info['real_id'];
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}
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/**
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* Delete all items from the course.
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* This deletes all items in the course-object from the current Chamilo-
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* course
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* @param string The type of recycling we want (full_backup or select_items)
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* @assert (null) === false
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*/
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function recycle($type) {
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if (empty($type)) { return false; }
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$this->type = $type;
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$table_tool_intro = Database::get_course_table(TABLE_TOOL_INTRO);
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$table_linked_resources = Database::get_course_table(TABLE_LINKED_RESOURCES);
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$table_item_properties = Database::get_course_table(TABLE_ITEM_PROPERTY);
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$this->recycle_links();
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$this->recycle_link_categories();
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$this->recycle_events();
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$this->recycle_announcements();
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$this->recycle_documents();
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$this->recycle_forums();
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$this->recycle_forum_categories();
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$this->recycle_quizzes();
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$this->recycle_test_category();
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$this->recycle_surveys();
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$this->recycle_learnpaths();
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$this->recycle_cours_description();
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$this->recycle_wiki();
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$this->recycle_glossary();
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$this->recycle_thematic();
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$this->recycle_attendance();
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$this->recycle_work();
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foreach ($this->course->resources as $type => $resources) {
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foreach ($resources as $id => $resource) {
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$sql = "DELETE FROM ".$table_linked_resources." WHERE c_id = ".$this->course_id." AND (source_type = '".$type."' AND source_id = '".$id."') OR (resource_type = '".$type."' AND resource_id = '".$id."') ";
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Database::query($sql);
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if (is_numeric($id)) {
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$sql = "DELETE FROM ".$table_item_properties." WHERE c_id = ".$this->course_id." AND tool ='".$resource->get_tool()."' AND ref=".$id;
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Database::query($sql);
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} elseif ($type == RESOURCE_TOOL_INTRO) {
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$sql = "DELETE FROM $table_tool_intro WHERE c_id = ".$this->course_id." AND id='$id'";
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Database::query($sql);
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}
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}
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}
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}
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/**
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* Delete documents
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*/
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function recycle_documents() {
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if ($this->course->has_resources(RESOURCE_DOCUMENT)) {
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$table = Database :: get_course_table(TABLE_DOCUMENT);
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foreach ($this->course->resources[RESOURCE_DOCUMENT] as $id => $document) {
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rmdirr($this->course->backup_path.'/'.$document->path);
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}
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$ids = implode(',', (array_keys($this->course->resources[RESOURCE_DOCUMENT])));
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$sql = "DELETE FROM ".$table." WHERE c_id = ".$this->course_id." AND id IN(".$ids.")";
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Database::query($sql);
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}
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}
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/**
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* Delete wiki
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*/
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function recycle_wiki() {
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if ($this->course->has_resources(RESOURCE_WIKI)) {
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$table_wiki = Database::get_course_table(TABLE_WIKI);
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$table_wiki_conf = Database::get_course_table(TABLE_WIKI_CONF);
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//$table_wiki_discuss = Database::get_course_table(TABLE_WIKI_DISCUSS);
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//$table_wiki_mailcue = Database::get_course_table(TABLE_WIKI_MAILCUE);
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$pages = array();
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foreach ($this->course->resources[RESOURCE_WIKI] as $resource) {
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$pages[] = $resource->page_id;
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}
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$wiki_ids = implode(',', (array_keys($this->course->resources[RESOURCE_WIKI])));
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$page_ids = implode(',', $pages);
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$sql = "DELETE FROM ".$table_wiki." WHERE c_id = ".$this->course_id." AND id IN(".$wiki_ids.")";
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Database::query($sql);
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$sql = "DELETE FROM ".$table_wiki_conf." WHERE c_id = ".$this->course_id." AND page_id IN(".$page_ids.")";
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Database::query($sql);
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}
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}
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/**
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* Delete glossary
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*/
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function recycle_glossary() {
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if ($this->course->has_resources(RESOURCE_GLOSSARY)) {
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$table_glossary = Database::get_course_table(TABLE_GLOSSARY);
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$ids = implode(',', (array_keys($this->course->resources[RESOURCE_GLOSSARY])));
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$sql = "DELETE FROM ".$table_glossary." WHERE c_id = ".$this->course_id." AND glossary_id IN(".$ids.")";
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Database::query($sql);
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}
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}
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/**
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* Delete links
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*/
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function recycle_links() {
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if ($this->course->has_resources(RESOURCE_LINK)) {
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$table = Database :: get_course_table(TABLE_LINK);
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$ids = implode(',', (array_keys($this->course->resources[RESOURCE_LINK])));
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$sql = "DELETE FROM ".$table." WHERE c_id = ".$this->course_id." AND id IN(".$ids.")";
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Database::query($sql);
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}
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}
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/**
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* Delete forums
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*/
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function recycle_forums() {
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$table_category = Database :: get_course_table(TABLE_FORUM_CATEGORY);
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$table_forum = Database :: get_course_table(TABLE_FORUM);
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$table_thread = Database :: get_course_table(TABLE_FORUM_THREAD);
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$table_post = Database :: get_course_table(TABLE_FORUM_POST);
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$table_attachment = Database::get_course_table(TABLE_FORUM_ATTACHMENT);
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$table_notification = Database::get_course_table(TABLE_FORUM_NOTIFICATION);
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$table_mail_queue = Database::get_course_table(TABLE_FORUM_MAIL_QUEUE);
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$table_thread_qualify = Database::get_course_table(TABLE_FORUM_THREAD_QUALIFY);
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$table_thread_qualify_log = Database::get_course_table(TABLE_FORUM_THREAD_QUALIFY_LOG);
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if ($this->type == 'full_backup') {
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$sql = "DELETE FROM ".$table_category." WHERE c_id = ".$this->course_id;
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Database::query($sql);
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$sql = "DELETE FROM ".$table_forum." WHERE c_id = ".$this->course_id;
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Database::query($sql);
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$sql = "DELETE FROM ".$table_thread." WHERE c_id = ".$this->course_id;
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Database::query($sql);
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$sql = "DELETE FROM ".$table_post." WHERE c_id = ".$this->course_id;
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Database::query($sql);
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$sql = "DELETE FROM ".$table_attachment." WHERE c_id = ".$this->course_id;
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Database::query($sql);
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$sql = "DELETE FROM ".$table_notification." WHERE c_id = ".$this->course_id;
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Database::query($sql);
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$sql = "DELETE FROM ".$table_mail_queue." WHERE c_id = ".$this->course_id;
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Database::query($sql);
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$sql = "DELETE FROM ".$table_thread_qualify." WHERE c_id = ".$this->course_id;
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Database::query($sql);
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$sql = "DELETE FROM ".$table_thread_qualify_log." WHERE c_id = ".$this->course_id;
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Database::query($sql);
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$sql = "DELETE FROM ".$table_thread_qualify_log." WHERE c_id = ".$this->course_id;
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Database::query($sql);
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}
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if ($this->course->has_resources(RESOURCE_FORUMCATEGORY)) {
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$forum_ids = implode(',', (array_keys($this->course->resources[RESOURCE_FORUMCATEGORY])));
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$sql = "DELETE FROM ".$table_category." WHERE c_id = ".$this->course_id." AND cat_id IN(".$forum_ids.");";
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Database::query($sql);
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}
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if ($this->course->has_resources(RESOURCE_FORUM)) {
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$forum_ids = implode(',', (array_keys($this->course->resources[RESOURCE_FORUM])));
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$sql = "DELETE FROM $table_attachment USING $table_attachment
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INNER JOIN $table_post
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WHERE ".$table_post.".c_id = ".$this->course_id." AND
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".$table_attachment.".c_id = ".$this->course_id." AND
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".$table_attachment.".post_id = ".$table_post.".post_id".
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" AND ".$table_post.".forum_id IN(".$forum_ids.");";
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Database::query($sql);
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$sql = "DELETE FROM ".$table_mail_queue." USING ".$table_mail_queue." INNER JOIN ".$table_post.
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" WHERE ".$table_post.".c_id = ".$this->course_id." AND ".$table_mail_queue.".c_id = ".$this->course_id." AND ".$table_mail_queue.".post_id = ".$table_post.".post_id".
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" AND ".$table_post.".forum_id IN(".$forum_ids.");";
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Database::query($sql);
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// Just in case, deleting in the same table using thread_id as record-linker.
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$sql = "DELETE FROM ".$table_mail_queue.
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" USING ".$table_mail_queue." INNER JOIN ".$table_thread.
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" WHERE $table_mail_queue.c_id = ".$this->course_id." AND $table_thread.c_id = ".$this->course_id." AND ".$table_mail_queue.".thread_id = ".$table_thread.".thread_id".
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" AND ".$table_thread.".forum_id IN(".$forum_ids.");";
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Database::query($sql);
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$sql = "DELETE FROM ".$table_thread_qualify.
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" USING ".$table_thread_qualify." INNER JOIN ".$table_thread.
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" WHERE $table_thread_qualify.c_id = ".$this->course_id." AND $table_thread.c_id = ".$this->course_id." AND ".$table_thread_qualify.".thread_id = ".$table_thread.".thread_id".
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" AND ".$table_thread.".forum_id IN(".$forum_ids.");";
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Database::query($sql);
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$sql = "DELETE FROM ".$table_thread_qualify_log.
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" USING ".$table_thread_qualify_log." INNER JOIN ".$table_thread.
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" WHERE $table_thread_qualify_log.c_id = ".$this->course_id." AND $table_thread.c_id = ".$this->course_id." AND ".$table_thread_qualify_log.".thread_id = ".$table_thread.".thread_id".
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" AND ".$table_thread.".forum_id IN(".$forum_ids.");";
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Database::query($sql);
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$sql = "DELETE FROM ".$table_notification." WHERE c_id = ".$this->course_id." AND forum_id IN(".$forum_ids.")";
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Database::query($sql);
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$sql = "DELETE FROM ".$table_post." WHERE c_id = ".$this->course_id." AND forum_id IN(".$forum_ids.")";
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Database::query($sql);
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$sql = "DELETE FROM ".$table_thread." WHERE c_id = ".$this->course_id." AND forum_id IN(".$forum_ids.")";
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Database::query($sql);
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$sql = "DELETE FROM ".$table_forum." WHERE c_id = ".$this->course_id." AND forum_id IN(".$forum_ids.")";
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Database::query($sql);
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}
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}
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/**
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* Delete forum-categories
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* Deletes all forum-categories from current course without forums
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*/
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function recycle_forum_categories() {
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$table_forum = Database :: get_course_table(TABLE_FORUM);
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$table_forumcat = Database :: get_course_table(TABLE_FORUM_CATEGORY);
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$sql = "SELECT fc.cat_id FROM ".$table_forumcat." fc
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LEFT JOIN ".$table_forum." f ON fc.cat_id=f.forum_category AND fc.c_id = ".$this->course_id." AND f.c_id = ".$this->course_id."
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WHERE f.forum_id IS NULL";
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$res = Database::query($sql);
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while ($obj = Database::fetch_object($res)) {
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$sql = "DELETE FROM ".$table_forumcat." WHERE c_id = ".$this->course_id." AND cat_id = ".$obj->cat_id;
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Database::query($sql);
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}
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}
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/**
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* Delete link-categories
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* Deletes all empty link-categories (=without links) from current course
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*/
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function recycle_link_categories() {
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$link_cat_table = Database :: get_course_table(TABLE_LINK_CATEGORY);
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$link_table = Database :: get_course_table(TABLE_LINK);
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$sql = "SELECT lc.id FROM ".$link_cat_table." lc
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LEFT JOIN ".$link_table." l
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ON lc.id=l.category_id AND lc.c_id = ".$this->course_id." AND l.c_id = ".$this->course_id."
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WHERE l.id IS NULL";
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$res = Database::query($sql);
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while ($obj = Database::fetch_object($res)) {
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$sql = "DELETE FROM ".$link_cat_table." WHERE c_id = ".$this->course_id." AND id = ".$obj->id;
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Database::query($sql);
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}
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}
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/**
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* Delete events
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*/
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function recycle_events() {
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if ($this->course->has_resources(RESOURCE_EVENT)) {
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$table = Database :: get_course_table(TABLE_AGENDA);
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$table_attachment = Database :: get_course_table(TABLE_AGENDA_ATTACHMENT);
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$ids = implode(',', (array_keys($this->course->resources[RESOURCE_EVENT])));
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$sql = "DELETE FROM ".$table." WHERE c_id = ".$this->course_id." AND id IN(".$ids.")";
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Database::query($sql);
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$sql = "DELETE FROM ".$table_attachment." WHERE c_id = ".$this->course_id." AND agenda_id IN(".$ids.")";
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Database::query($sql);
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}
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}
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/**
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* Delete announcements
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*/
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function recycle_announcements() {
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if ($this->course->has_resources(RESOURCE_ANNOUNCEMENT)) {
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$table = Database :: get_course_table(TABLE_ANNOUNCEMENT);
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$table_attachment = Database :: get_course_table(TABLE_ANNOUNCEMENT_ATTACHMENT);
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$ids = implode(',', (array_keys($this->course->resources[RESOURCE_ANNOUNCEMENT])));
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$sql = "DELETE FROM ".$table." WHERE c_id = ".$this->course_id." AND id IN(".$ids.")";
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Database::query($sql);
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$sql = "DELETE FROM ".$table_attachment." WHERE c_id = ".$this->course_id." AND announcement_id IN(".$ids.")";
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Database::query($sql);
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}
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}
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/**
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* Recycle quizzes - doesn't remove the questions and their answers, as they might still be used later
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*/
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function recycle_quizzes()
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{
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if ($this->course->has_resources(RESOURCE_QUIZ)) {
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$table_qui_que = Database :: get_course_table(TABLE_QUIZ_QUESTION);
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$table_qui_ans = Database :: get_course_table(TABLE_QUIZ_ANSWER);
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$table_qui = Database :: get_course_table(TABLE_QUIZ_TEST);
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$table_rel = Database :: get_course_table(TABLE_QUIZ_TEST_QUESTION);
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$table_qui_que_opt = Database :: get_course_table(TABLE_QUIZ_QUESTION_OPTION);
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$table_qui_que_cat = Database :: get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
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$table_qui_que_rel_cat = Database :: get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
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$ids = array_keys($this->course->resources[RESOURCE_QUIZ]);
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// If the value "-1" is in the ids of elements (questions) to
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// be deleted, then consider all orphan questions should be deleted
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// This value is set in CourseBuilder::quiz_build_questions()
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$delete_orphan_questions = in_array(-1, $ids);
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$ids = implode(',', $ids);
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if (!empty($ids)) {
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// Deletion of the tests first. Questions in these tests are
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// not deleted and become orphan at this point
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$sql = "DELETE FROM ".$table_qui." WHERE c_id = ".$this->course_id." AND id IN(".$ids.")";
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Database::query($sql);
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$sql = "DELETE FROM ".$table_rel." WHERE c_id = ".$this->course_id." AND exercice_id IN(".$ids.")";
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Database::query($sql);
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}
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// Identifying again and deletion of the orphan questions, if it was desired.
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if ($delete_orphan_questions) {
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$sql = " (
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SELECT q.id, ex.c_id FROM $table_qui_que q
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INNER JOIN $table_rel r
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ON (q.c_id = r.c_id AND q.id = r.question_id)
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INNER JOIN $table_qui ex
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ON (ex.id = r.exercice_id AND ex.c_id = r.c_id)
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WHERE ex.c_id = ".$this->course_id." AND (ex.active = '-1' OR ex.id = '-1')
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)
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UNION
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(
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SELECT q.id, r.c_id FROM $table_qui_que q
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LEFT OUTER JOIN $table_rel r
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ON (q.c_id = r.c_id AND q.id = r.question_id)
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WHERE q.c_id = ".$this->course_id." AND r.question_id is null
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)
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UNION
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(
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SELECT q.id, r.c_id FROM $table_qui_que q
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INNER JOIN $table_rel r
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ON (q.c_id = r.c_id AND q.id = r.question_id)
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WHERE r.c_id = ".$this->course_id." AND (r.exercice_id = '-1' OR r.exercice_id = '0')
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)";
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$db_result = Database::query($sql);
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if (Database::num_rows($db_result) > 0) {
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$orphan_ids = array();
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while ($obj = Database::fetch_object($db_result)) {
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$orphan_ids[] = $obj->id;
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}
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$orphan_ids = implode(',', $orphan_ids);
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$sql = "DELETE FROM ".$table_rel." WHERE c_id = ".$this->course_id." AND question_id IN(".$orphan_ids.")";
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Database::query($sql);
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$sql = "DELETE FROM ".$table_qui_ans." WHERE c_id = ".$this->course_id." AND question_id IN(".$orphan_ids.")";
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Database::query($sql);
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$sql = "DELETE FROM ".$table_qui_que." WHERE c_id = ".$this->course_id." AND id IN(".$orphan_ids.")";
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Database::query($sql);
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}
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// Also delete questions categories and options
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$sql = "DELETE FROM $table_qui_que_rel_cat WHERE c_id = ".$this->course_id;
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Database::query($sql);
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$sql = "DELETE FROM $table_qui_que_cat WHERE c_id = ".$this->course_id;
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Database::query($sql);
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$sql = "DELETE FROM $table_qui_que_opt WHERE c_id = ".$this->course_id;
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Database::query($sql);
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}
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// Quizzes previously deleted are, in fact, kept with a status
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// (active field) of "-1". Delete those, now.
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$sql = "DELETE FROM ".$table_qui." WHERE c_id = ".$this->course_id." AND active = -1";
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Database::query($sql);
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}
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}
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/**
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* Recycle tests categories
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*/
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function recycle_test_category()
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{
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foreach ($this->course->resources[RESOURCE_TEST_CATEGORY] as $tab_test_cat) {
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$obj_cat = new Testcategory($tab_test_cat->source_id);
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$obj_cat->removeCategory();
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}
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}
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/**
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* Recycle surveys - removes everything
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*/
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function recycle_surveys() {
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if ($this->course->has_resources(RESOURCE_SURVEY)) {
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$table_survey = Database :: get_course_table(TABLE_SURVEY);
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$table_survey_q = Database :: get_course_table(TABLE_SURVEY_QUESTION);
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$table_survey_q_o = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
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$table_survey_a = Database :: get_course_Table(TABLE_SURVEY_ANSWER);
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$table_survey_i = Database :: get_course_table(TABLE_SURVEY_INVITATION);
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$ids = implode(',', (array_keys($this->course->resources[RESOURCE_SURVEY])));
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$sql = "DELETE FROM ".$table_survey_i." WHERE c_id = ".$this->course_id." ";
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Database::query($sql);
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$sql = "DELETE FROM ".$table_survey_a." WHERE c_id = ".$this->course_id." AND survey_id IN(".$ids.")";
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|
Database::query($sql);
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|
$sql = "DELETE FROM ".$table_survey_q_o." WHERE c_id = ".$this->course_id." AND survey_id IN(".$ids.")";
|
|
Database::query($sql);
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|
$sql = "DELETE FROM ".$table_survey_q." WHERE c_id = ".$this->course_id." AND survey_id IN(".$ids.")";
|
|
Database::query($sql);
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|
$sql = "DELETE FROM ".$table_survey." WHERE c_id = ".$this->course_id." AND survey_id IN(".$ids.")";
|
|
Database::query($sql);
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|
}
|
|
}
|
|
/**
|
|
* Recycle learnpaths
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|
*/
|
|
function recycle_learnpaths() {
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if ($this->course->has_resources(RESOURCE_LEARNPATH)) {
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$table_main = Database :: get_course_table(TABLE_LP_MAIN);
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$table_item = Database :: get_course_table(TABLE_LP_ITEM);
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|
$table_view = Database :: get_course_table(TABLE_LP_VIEW);
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|
$table_iv = Database :: get_course_table(TABLE_LP_ITEM_VIEW);
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|
$table_iv_int = Database::get_course_table(TABLE_LP_IV_INTERACTION);
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|
$table_tool = Database::get_course_table(TABLE_TOOL_LIST);
|
|
|
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foreach($this->course->resources[RESOURCE_LEARNPATH] as $id => $learnpath) {
|
|
// See task #875.
|
|
if ($learnpath->lp_type == 2) {
|
|
// This is a learning path of SCORM type.
|
|
if (trim($learnpath->path) != '') // A sanity check for avoiding removal of the parent folder scorm/
|
|
// when $learnpath->path value is incorrect for some reason.
|
|
{
|
|
// The directory trat contains files of the SCORM package is to be deleted.
|
|
$scorm_package_dir = realpath($this->course->path . 'scorm/' . $learnpath->path);
|
|
rmdirr($scorm_package_dir);
|
|
}
|
|
}
|
|
|
|
//remove links from course homepage
|
|
$sql = "DELETE FROM $table_tool WHERE c_id = ".$this->course_id." AND link LIKE '%lp_controller.php%lp_id=$id%' AND image='scormbuilder.gif'";
|
|
Database::query($sql);
|
|
//remove elements from lp_* tables (from bottom-up) by removing interactions, then item_view, then views and items, then paths
|
|
$sql_items = "SELECT id FROM $table_item WHERE c_id = ".$this->course_id." AND lp_id=$id";
|
|
$res_items = Database::query($sql_items);
|
|
while ($row_item = Database::fetch_array($res_items)) {
|
|
//get item views
|
|
$sql_iv = "SELECT id FROM $table_iv WHERE c_id = ".$this->course_id." AND lp_item_id=".$row_item['id'];
|
|
$res_iv = Database::query($sql_iv);
|
|
while ($row_iv = Database::fetch_array($res_iv)) {
|
|
//delete interactions
|
|
$sql_iv_int_del = "DELETE FROM $table_iv_int WHERE c_id = ".$this->course_id." AND lp_iv_id = ".$row_iv['id'];
|
|
$res_iv_int_del = Database::query($sql_iv_int_del);
|
|
}
|
|
//delete item views
|
|
$sql_iv_del = "DELETE FROM $table_iv WHERE c_id = ".$this->course_id." AND lp_item_id=".$row_item['id'];
|
|
$res_iv_del = Database::query($sql_iv_del);
|
|
}
|
|
//delete items
|
|
$sql_items_del = "DELETE FROM $table_item WHERE c_id = ".$this->course_id." AND lp_id=$id";
|
|
$res_items_del = Database::query($sql_items_del);
|
|
//delete views
|
|
$sql_views_del = "DELETE FROM $table_view WHERE c_id = ".$this->course_id." AND lp_id=$id";
|
|
$res_views_del = Database::query($sql_views_del);
|
|
//delete lps
|
|
$sql_del = "DELETE FROM $table_main WHERE c_id = ".$this->course_id." AND id = $id";
|
|
$res_del = Database::query($sql_del);
|
|
}
|
|
}
|
|
}
|
|
/**
|
|
* Delete course description
|
|
*/
|
|
function recycle_cours_description() {
|
|
if ($this->course->has_resources(RESOURCE_COURSEDESCRIPTION)) {
|
|
$table = Database :: get_course_table(TABLE_COURSE_DESCRIPTION);
|
|
$ids = implode(',', (array_keys($this->course->resources[RESOURCE_COURSEDESCRIPTION])));
|
|
$sql = "DELETE FROM ".$table." WHERE c_id = ".$this->course_id." AND id IN(".$ids.")";
|
|
Database::query($sql);
|
|
}
|
|
}
|
|
/**
|
|
* Recycle Thematics
|
|
*/
|
|
function recycle_thematic($session_id = 0) {
|
|
if ($this->course->has_resources(RESOURCE_THEMATIC)) {
|
|
$table_thematic = Database :: get_course_table(TABLE_THEMATIC);
|
|
$table_thematic_advance = Database :: get_course_table(TABLE_THEMATIC_ADVANCE);
|
|
$table_thematic_plan = Database :: get_course_table(TABLE_THEMATIC_PLAN);
|
|
|
|
$resources = $this->course->resources;
|
|
foreach ($resources[RESOURCE_THEMATIC] as $last_id => $thematic) {
|
|
if (is_numeric($last_id)) {
|
|
|
|
foreach($thematic->thematic_advance_list as $thematic_advance) {
|
|
$cond = array('id = ? AND c_id = ?'=>array($thematic_advance['id'], $this->course_id));
|
|
api_item_property_update($this->course_info, 'thematic_advance', $thematic_advance['id'],'ThematicAdvanceDeleted', api_get_user_id());
|
|
Database::delete($table_thematic_advance, $cond);
|
|
}
|
|
|
|
foreach($thematic->thematic_plan_list as $thematic_plan) {
|
|
$cond = array('id = ? AND c_id = ?'=>array($thematic_plan['id'], $this->course_id));
|
|
api_item_property_update($this->course_info, 'thematic_plan', $thematic_advance['id'], 'ThematicPlanDeleted', api_get_user_id());
|
|
Database::delete($table_thematic_plan, $cond);
|
|
}
|
|
$cond = array('id = ? AND c_id = ?'=>array($last_id, $this->course_id));
|
|
api_item_property_update($this->course_info, 'thematic', $last_id,'ThematicDeleted', api_get_user_id());
|
|
Database::delete($table_thematic,$cond);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Recycle Attendances
|
|
*/
|
|
function recycle_attendance($session_id = 0) {
|
|
if ($this->course->has_resources(RESOURCE_ATTENDANCE)) {
|
|
$table_attendance = Database :: get_course_table(TABLE_ATTENDANCE);
|
|
$table_attendance_calendar = Database :: get_course_table(TABLE_ATTENDANCE_CALENDAR);
|
|
|
|
$resources = $this->course->resources;
|
|
foreach ($resources[RESOURCE_ATTENDANCE] as $last_id => $obj) {
|
|
if (is_numeric($last_id)) {
|
|
foreach($obj->attendance_calendar as $attendance_calendar) {
|
|
$cond = array('id = ? AND c_id = ? '=>array($attendance_calendar['id'], $this->course_id));
|
|
Database::delete($table_attendance_calendar, $cond);
|
|
}
|
|
$cond = array('id = ? AND c_id = ?'=>array($last_id, $this->course_id));
|
|
Database::delete($table_attendance, $cond);
|
|
api_item_property_update($this->course_info, TOOL_ATTENDANCE, $last_id,'AttendanceDeleted', api_get_user_id());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/**
|
|
* Recycle Works
|
|
*/
|
|
function recycle_work($session_id = 0) {
|
|
if ($this->course->has_resources(RESOURCE_WORK)) {
|
|
$table_work = Database :: get_course_table(TABLE_STUDENT_PUBLICATION);
|
|
$table_work_assignment = Database :: get_course_table(TABLE_STUDENT_PUBLICATION_ASSIGNMENT);
|
|
|
|
$resources = $this->course->resources;
|
|
foreach ($resources[RESOURCE_WORK] as $last_id => $obj) {
|
|
if (is_numeric($last_id)) {
|
|
$cond = array('publication_id = ? AND c_id = ? '=>array($last_id, $this->course_id));
|
|
Database::delete($table_work_assignment, $cond);
|
|
// The following also deletes student tasks
|
|
$cond = array('parent_id = ? AND c_id = ?'=>array($last_id, $this->course_id));
|
|
Database::delete($table_work, $cond);
|
|
// Finally, delete the main task registry
|
|
$cond = array('id = ? AND c_id = ?'=>array($last_id, $this->course_id));
|
|
Database::delete($table_work, $cond);
|
|
api_item_property_update($this->course_info, TOOL_STUDENTPUBLICATION, $last_id,'StudentPublicationDeleted', api_get_user_id());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|