chamilo-lms2/main/gradebook/lib/be/dropboxlink.class.php

<?php
/* For licensing terms, see /license.txt */

/**
 * Gradebook link to dropbox item
 * @author Bert Steppé
 * @package chamilo.gradebook
 */
class DropboxLink extends EvalLink
{
	private $dropbox_table = null;

	/**
	 * Constructor
	 */
	public function __construct()
	{
		parent::__construct();
		$this->set_type(LINK_DROPBOX);
	}

	/**
	 *
	 * Returns the URL of a document
	 * This function is loaded when using a gradebook as a tab (gradebook = -1) see issue #2705
	 */
	public function get_view_url($stud_id)
	{
		// find a file uploaded by the given student,
		// with the same title as the evaluation name

		$eval = $this->get_evaluation();
		$sql = 'SELECT filename FROM '.$this->get_dropbox_table()
			.' WHERE c_id = '.$this->course_id.' AND uploader_id = '.intval($stud_id)
			." AND title = '".Database::escape_string($eval->get_name())."'";

		$result = Database::query($sql);
		if ($fileurl = Database::fetch_row($result)) {
			return null;
		} else {
			return null;
		}
	}

	public function get_type_name()
	{
		return get_lang('LMSDropbox');
	}

	public function is_allowed_to_change_name()
	{
		return false;
	}

	/**
	 * Lazy load function to get the dropbox database table
	 */
	private function get_dropbox_table()
	{
		$this->dropbox_table = Database :: get_course_table(TABLE_DROPBOX_FILE);
		return $this->dropbox_table;
	}

	public function get_icon_name()
	{
		return 'dropbox';
	}

}