courserestorer.class.php

完美的在线教育系统

				if (file_exists($path.$document->path))
				{
					switch ($this->file_option)
					{
						case FILE_OVERWRITE :
							rmdirr($path.$document->path);

							copyDirTo($this->course->backup_path.'/'.$document->path, $path.dirname($document->path), false);

							break;
						case FILE_SKIP :
							break;
						case FILE_RENAME :
							$i = 1;

							$ext = explode('.', basename($document->path));

							if (count($ext) > 1)
							{
								$ext = array_pop($ext);
								$file_name_no_ext = substr($document->path, 0, - (strlen($ext) + 1));
								$ext = '.'.$ext;
							}
							else
							{
								$ext = '';
								$file_name_no_ext = $document->path;
							}

							$new_file_name = $file_name_no_ext.'_'.$i.$ext;
							$file_exists = file_exists($path.$new_file_name);

							while ($file_exists)
							{
								$i ++;
								$new_file_name = $file_name_no_ext.'_'.$i.$ext;
								$file_exists = file_exists($path.$new_file_name);
							}

							rename($this->course->backup_path.'/'.$document->path,$this->course->backup_path.'/'.$new_file_name);

							copyDirTo($this->course->backup_path.'/'.$new_file_name, $path.dirname($new_file_name), false);

							rename($this->course->backup_path.'/'.$new_file_name,$this->course->backup_path.'/'.$document->path);

							break;
					} // end switch
				} // end if file exists
				else
				{
					copyDirTo($this->course->backup_path.'/'.$document->path, $path.dirname($document->path), false);
				}
			} // end for each
		}
	}

	/**
	 * Restore forums
	 */
	function restore_forums()
	{
		if ($this->course->has_resources(RESOURCE_FORUM))
		{
			$table_forum = Database :: get_course_table(TABLE_FORUM, $this->course->destination_db);
			$table_topic = Database :: get_course_table(TABLE_FORUM_POST, $this->course->destination_db);
			$table_post = Database :: get_course_table(TABLE_FORUM_POST, $this->course->destination_db);
			$resources = $this->course->resources;
			foreach ($resources[RESOURCE_FORUM] as $id => $forum)
			{
				$cat_id = $this->restore_forum_category($forum->category_id);
				$sql = "INSERT INTO ".$table_forum." SET forum_name = '".Database::escape_string($forum->title)."', forum_desc = '".Database::escape_string($forum->description)."', cat_id = '".$cat_id."', forum_access='2'";
				api_sql_query($sql, __FILE__, __LINE__);
				$new_id = Database::get_last_insert_id();
				$this->course->resources[RESOURCE_FORUM][$id]->destination_id = $new_id;
				$forum_topics = 0;
				if (is_array($this->course->resources[RESOURCE_FORUMTOPIC]))
				{
					foreach ($this->course->resources[RESOURCE_FORUMTOPIC] as $topic_id => $topic)
					{
						if ($topic->forum_id == $id)
						{
							$this->restore_topic($topic_id, $new_id);
							$forum_topics ++;
						}
					}
				}
				if ($forum_topics > 0)
				{
					$last_post = $this->course->resources[RESOURCE_FORUMPOST][$forum->last_post];
					$sql = "UPDATE ".$table_forum." SET forum_topics = ".$forum_topics.", forum_last_post_id = ".$last_post->destination_id." WHERE forum_id = '".$new_id."' ";
					api_sql_query($sql, __FILE__, __LINE__);
				}
			}
		}
	}
	/**
	 * Restore forum-categories
	 */
	function restore_forum_category($id)
	{
		$forum_cat_table = Database :: get_course_table(TABLE_FORUM_CATEGORY, $this->course->destination_db);
		$resources = $this->course->resources;
		$forum_cat = $resources[RESOURCE_FORUMCATEGORY][$id];
		if (!$forum_cat->is_restored())
		{
			$sql = "INSERT INTO ".$forum_cat_table." SET cat_title = '".Database::escape_string($forum_cat->title.' ('.$this->course->code.')')."'";
			api_sql_query($sql, __FILE__, __LINE__);
			$new_id = Database::get_last_insert_id();
			$this->course->resources[RESOURCE_FORUMCATEGORY][$id]->destination_id = $new_id;
			return $new_id;
		}
		return $this->course->resources[RESOURCE_FORUMCATEGORY][$id]->destination_id;
	}
	/**
	 * Restore a forum-topic
	 */
	function restore_topic($id, $forum_id)
	{
		$table = Database :: get_course_table(TABLE_FORUM_POST, $this->course->destination_db);
		$resources = $this->course->resources;
		$topic = $resources[RESOURCE_FORUMTOPIC][$id];
		$sql = "INSERT INTO ".$table." SET topic_title = '".Database::escape_string($topic->title)."', topic_time = '".$topic->time."', nom = '".Database::escape_string($topic->lastname)."', prenom = '".Database::escape_string($topic->firstname)."', topic_notify = '".$topic->topic_notify."', forum_id = '".$forum_id."'";
		api_sql_query($sql, __FILE__, __LINE__);
		$new_id = Database::get_last_insert_id();
		$this->course->resources[RESOURCE_FORUMTOPIC][$id]->destination_id = $new_id;
		$topic_replies = -1;
		foreach ($this->course->resources[RESOURCE_FORUMPOST] as $post_id => $post)
		{
			if ($post->topic_id == $id)
			{
				$topic_replies ++;
				$this->restore_post($post_id, $new_id, $forum_id);
			}
		}
		if ($topic_replies >= 0)
		{
			$last_post = $this->course->resources[RESOURCE_FORUMPOST][$topic->last_post];
			$sql = "UPDATE ".$table." SET topic_replies = '".$topic_replies."', topic_last_post_id = ".$last_post->destination_id;
			api_sql_query($sql, __FILE__, __LINE__);
		}
		return $new_id;
	}
	/**
	 * restore a forum-post
	 * @todo restore tree-structure of posts.
	 */
	function restore_post($id, $topic_id, $forum_id)
	{
		$table_post = Database :: get_course_table(TABLE_FORUM_POST, $this->course->destination_db);
		$table_posttext = Database :: get_course_table(TOOL_FORUM_POST_TEXT_TABLE, $this->course->destination_db);
		$resources = $this->course->resources;
		$post = $resources[RESOURCE_FORUMPOST][$id];
		$sql = "INSERT INTO ".$table_post." SET topic_id = '".$topic_id."', post_time = '".$post->post_time."', forum_id = '".$forum_id."', nom = '".Database::escape_string($post->lastname)."', prenom = '".Database::escape_string($post->firstname)."', topic_notify = '".$post->topic_notify."', poster_ip = '".$post->poster_ip."'";
		api_sql_query($sql, __FILE__, __LINE__);
		$new_id = Database::get_last_insert_id();
		$this->course->resources[RESOURCE_FORUMPOST][$id]->destination_id = $new_id;
		$sql = "INSERT INTO ".$table_posttext." SET post_text = '".Database::escape_string($post->text)."', post_title = '".Database::escape_string($post->title)."', post_id = '".$new_id."'";
		api_sql_query($sql, __FILE__, __LINE__);
		return $new_id;
	}
	/**
	 * Restore links
	 */
	function restore_links()
	{
		if ($this->course->has_resources(RESOURCE_LINK))
		{
			$link_table = Database :: get_course_table(TABLE_LINK, $this->course->destination_db);
			$resources = $this->course->resources;
			foreach ($resources[RESOURCE_LINK] as $id => $link)
			{
				$cat_id = $this->restore_link_category($link->category_id);
				$sql = "SELECT MAX(display_order) FROM  $link_table WHERE category_id='" . Database::escape_string($cat_id). "'";
				$result = api_sql_query($sql, __FILE__, __LINE__);
    			list($max_order) = Database::fetch_array($result);
				$sql = "INSERT INTO ".$link_table." SET url = '".Database::escape_string($link->url)."', title = '".Database::escape_string($link->title)."', description = '".Database::escape_string($link->description)."', category_id='".$cat_id."', on_homepage = '".$link->on_homepage."', display_order='".($max_order+1)."'";
				api_sql_query($sql, __FILE__, __LINE__);
				$this->course->resources[RESOURCE_LINK][$id]->destination_id = Database::get_last_insert_id();
			}
		}
	}
	/**
	 * Restore tool intro
	 */
	function restore_tool_intro()
	{
		if ($this->course->has_resources(RESOURCE_TOOL_INTRO))
		{
			$tool_intro_table = Database :: get_course_table(TABLE_TOOL_INTRO, $this->course->destination_db);
			$resources = $this->course->resources;
			foreach ($resources[RESOURCE_TOOL_INTRO] as $id => $tool_intro)
			{
				$sql = "DELETE FROM ".$tool_intro_table." WHERE id='".Database::escape_string($tool_intro->id)."'";
				api_sql_query($sql, __FILE__, __LINE__);

				$sql = "INSERT INTO ".$tool_intro_table." SET id='".Database::escape_string($tool_intro->id)."', intro_text = '".Database::escape_string($tool_intro->intro_text)."'";
				api_sql_query($sql, __FILE__, __LINE__);

				$this->course->resources[RESOURCE_TOOL_INTRO][$id]->destination_id = Database::get_last_insert_id();
			}
		}
	}
	/**
	 * Restore a link-category
	 */
	function restore_link_category($id)
	{
		if ($id == 0)
			return 0;
		$link_cat_table = Database :: get_course_table(TABLE_LINK_CATEGORY, $this->course->destination_db);
		$resources = $this->course->resources;
		$link_cat = $resources[RESOURCE_LINKCATEGORY][$id];
		if (is_object($link_cat) && !$link_cat->is_restored())
		{
			$sql = "SELECT MAX(display_order) FROM  $link_cat_table";
			$result=api_sql_query($sql,__FILE__,__LINE__);
			list($orderMax)=Database::fetch_array($result,'NUM');
			$display_order=$orderMax+1;
			$sql = "INSERT INTO ".$link_cat_table." SET category_title = '".Database::escape_string($link_cat->title)."', description='".Database::escape_string($link_cat->description)."', display_order='".$display_order."' ";
			api_sql_query($sql, __FILE__, __LINE__);
			$new_id = Database::get_last_insert_id();
			$this->course->resources[RESOURCE_LINKCATEGORY][$id]->destination_id = $new_id;
			return $new_id;
		}
		return $this->course->resources[RESOURCE_LINKCATEGORY][$id]->destination_id;
	}
	/**
	 * Restore events
	 */
	function restore_events()
	{
		if ($this->course->has_resources(RESOURCE_EVENT))
		{
			$table = Database :: get_course_table(TABLE_AGENDA, $this->course->destination_db);
			$resources = $this->course->resources;
			foreach ($resources[RESOURCE_EVENT] as $id => $event)
			{
				$sql = "INSERT INTO ".$table." SET title = '".Database::escape_string($event->title)."', content = '".Database::escape_string($event->content)."', start_date = '".$event->start_date."', end_date = '".$event->end_date."'";
				api_sql_query($sql, __FILE__, __LINE__);
				$this->course->resources[RESOURCE_EVENT][$id]->destination_id = Database::get_last_insert_id();
			}
		}
	}
	/**
	 * Restore course-description
	 */
	function restore_course_descriptions()
	{
		if ($this->course->has_resources(RESOURCE_COURSEDESCRIPTION))
		{
			$table = Database :: get_course_table(TABLE_COURSE_DESCRIPTION, $this->course->destination_db);
			$resources = $this->course->resources;
			foreach ($resources[RESOURCE_COURSEDESCRIPTION] as $id => $cd)
			{
				$sql = "INSERT INTO ".$table." SET title = '".Database::escape_string($cd->title)."', content = '".Database::escape_string($cd->content)."'";
				api_sql_query($sql, __FILE__, __LINE__);
				$this->course->resources[RESOURCE_COURSEDESCRIPTION][$id]->destination_id = Database::get_last_insert_id();
			}
		}
	}
	/**
	 * Restore announcements
	 */
	function restore_announcements()
	{
		if ($this->course->has_resources(RESOURCE_ANNOUNCEMENT))
		{
			$table = Database :: get_course_table(TABLE_ANNOUNCEMENT, $this->course->destination_db);
			$resources = $this->course->resources;
			foreach ($resources[RESOURCE_ANNOUNCEMENT] as $id => $announcement)
			{
				$sql = "INSERT INTO ".$table." " .
						"SET title = '".Database::escape_string($announcement->title)."'," .
							"content = '".Database::escape_string($announcement->content)."', " .
							"end_date = '".$announcement->date."', " .
							"display_order = '".$announcement->display_order."', " .
							"email_sent = '".$announcement->email_sent."'";
				api_sql_query($sql, __FILE__, __LINE__);
				$this->course->resources[RESOURCE_ANNOUNCEMENT][$id]->destination_id = Database::get_last_insert_id();
			}
		}
	}
	/**
	 * Restore Quiz
	 */
	function restore_quizzes()
	{
		if ($this->course->has_resources(RESOURCE_QUIZ))
		{
			$table_qui = Database :: get_course_table(TABLE_QUIZ_TEST, $this->course->destination_db);
			$table_rel = Database :: get_course_table(TABLE_QUIZ_TEST_QUESTION, $this->course->destination_db);
			$table_doc = Database :: get_course_table(TABLE_DOCUMENT, $this->course->destination_db);
			$resources = $this->course->resources;
			foreach ($resources[RESOURCE_QUIZ] as $id => $quiz)
			{
				$doc = '';