class.tx_nG6_db.php

<?php
/***************************************************************
*  Copyright notice
*
*  (c) 2009 PF bioinformatique de Toulouse <>
*  All rights reserved
*
*  This script is part of the TYPO3 project. The TYPO3 project 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.
*
*  The GNU General Public License can be found at
*  http://www.gnu.org/copyleft/gpl.html.
*
*  This script is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/

require_once(t3lib_extMgm::extPath('nG6').'/lib/class.tx_nG6_utils.php');

/**
 * Class_nG6_db' for the 'nG6' extension.
 * This class is in charge of all communication with the database
 *
 * @author	PF bioinformatique de Toulouse <>
 */
class tx_nG6_db {

	/*
	 * Project functions
	 *------------------------------------------------------------*/

	/**
	 * Select all project for the current user
	 *
	 * @param	string	$user_group	the user group
	 * @return	table with all projects
	 */
	function select_all_user_projects($user_group, $orderby='', $limit='') {

		$projects = array();
		// If the user is not logged on display demonstration project
		if (!$GLOBALS['TSFE']->loginUser) {
			$where = 'fe_group=0';
		} else {
			$where = 'fe_group IN ('.tx_nG6_db::get_user_groups($user_group).')';
		}
		$orderby='tx_nG6_project.name ASC';
		//First, get the analyzis project-scale
		$queryParts = array(
			'SELECT' => 'tx_nG6_project.uid AS project_id, '.
						'tx_nG6_project.name AS project_name, '.
						'tx_nG6_project.description AS project_description, '.
						'tx_nG6_project.fe_group AS project_fe_group, '.
						'tx_nG6_project.hidden AS project_hidden',
			'FROM' => 'tx_nG6_project',
			'WHERE' => $where,
			'GROUPBY' => '',
			'ORDERBY' => $orderby,
			'LIMIT' => $limit
		);
		$res = $GLOBALS['TYPO3_DB']->exec_SELECT_queryArray($queryParts);
		$user_groups = t3lib_div::intExplode(',',tx_nG6_db::get_user_groups($user_group));
		while($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
			$project_id = $row['project_id'];

			// Is the user allowed to see this project
			$user_allowed = false;
			if ($row['project_hidden'] == 0) {
				$user_allowed = true;
			} else {
			    foreach(tx_nG6_db::get_super_groups_of($row['project_fe_group']) AS $valeur) {
					if (in_array($valeur, $user_groups)) {
						$user_allowed = true;
					}
			    }
			}

			if (!isset ($projects['project_'.$project_id]) and $user_allowed) {
				$projects['project_'.$project_id] = array(
					'id'			=> $project_id,
					'name'			=> $row['project_name'],
					'hidden'		=> $row['project_hidden'],
					'description'	=> $row['project_description']);
			}

		}
		return $projects;
	}

	/**
	 * Select a run from the database
	 *
	 * @param	string	$project_id	the project id to return
	 * @return	hash table with all project information
	 */
	function select_project($project_id) {
		$queryParts = array(
			'SELECT' => '*',
			'FROM' => 'tx_nG6_project',
			'WHERE' => 'tx_nG6_project.uid = '.$project_id,
			'GROUPBY' => '',
			'ORDERBY' => '',
			'LIMIT' => ''
		);
		$res = $GLOBALS['TYPO3_DB']->exec_SELECT_queryArray($queryParts);
		return $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
	}

	/**
	 * Select all runs linked to the specified project
	 *
	 * @param	string	$user_group	the user group
	 * @param	string	$project_id	the project id
	 * @return	hash table with all runs information
	 */
    function get_project_runs($user_group, $project_id, $orderby='', $limit='') {
		// First select all runs from the database
		$queryParts = Array(
			'SELECT' => 'tx_nG6_run.uid AS run_id,'.
					 	'tx_nG6_run.directory AS run_directory,'.
					 	'tx_nG6_run.species AS run_species,'.
						'tx_nG6_run.description AS run_description, '.
						'tx_nG6_run.data_nature AS run_data_nature, '.
						'tx_nG6_run.sequencer AS run_sequencer, '.
						'tx_nG6_run.type AS run_type, '.
						'tx_nG6_run.name AS run_name, '.
						'tx_nG6_project.uid AS project_id, '.
						'tx_nG6_run.nb_sequences AS run_nb_sequences, '.
						'tx_nG6_run.full_seq_size AS run_full_seq_size, '.
						'tx_nG6_run.date AS run_date, '.
						'tx_nG6_run.hidden AS run_hidden, '.
						'tx_nG6_project.name AS project_name, '.
						'tx_nG6_project.fe_group AS project_fe_group',
			'FROM' => 'tx_nG6_project INNER JOIN ( tx_nG6_project_run INNER JOIN tx_nG6_run ON tx_nG6_project_run.run_id=tx_nG6_run.uid '.
					  ' ) ON tx_nG6_project.uid=tx_nG6_project_run.project_id',
			'WHERE' => 'tx_nG6_run.hidden=0 AND tx_nG6_project.uid='.$project_id,
			'GROUPBY' => '',
			'ORDERBY' => $orderby,
			'LIMIT' 	=> $limit
		);
		// Then create the result hash table
		$results = array();
		$user_groups = t3lib_div::intExplode(',',tx_nG6_db::get_user_groups($user_group));
		$res = $GLOBALS['TYPO3_DB']->exec_SELECT_queryArray($queryParts);
		while($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
			$run_id = $row['run_id'];

			// Is the user allowed to see this run
			$user_allowed = false;
			if ($row['run_hidden'] == 0) {
				$user_allowed = true;
			} else {
			    foreach(tx_nG6_db::get_super_groups_of($row['project_fe_group']) AS $valeur) {
					if (in_array($valeur, $user_groups)) {
						$user_allowed = true;
					}
			    }
			}

			if (!isset($results['run_'.$run_id]) and $user_allowed) {
				$results['run_'.$run_id] = array(
					'id'			=> $run_id,
					'directory'		=> $row['run_directory'],
					'name' 			=> $row['run_name'],
					'project_name' 	=> $row['project_name'],
					'fe_group' 		=> $row['project_fe_group'],
					'hidden'		=> $row['run_hidden'],
					'species' 		=> $row['run_species'],
					'nb_sequences' 	=> $row['run_nb_sequences'],
					'full_seq_size' => $row['run_full_seq_size'],
					'project_id' 	=> $row['project_id'],
					'date'			=> $row['run_date'],
					'data_nature'	=> $row['run_data_nature'],
					'sequencer'		=> $row['run_sequencer'],
					'type'			=> $row['run_type'],
					'description' 	=> $row['run_description']
				);
			}
		}
		return $results;
    }

	/**
	 * Select all analysis linked to the specified project
	 *
	 * @param	string	$user_group	the user group
	 * @param	string	$project_id	the project id
	 * @return	hash table with all analysis information
	 */
    function get_project_analysis($user_group, $project_id, $orderby, $limit) {
		// First select all analysis from the database
		$queryParts = array(
			'SELECT' => 'tx_nG6_analyze.uid AS analyze_id,'.
						'tx_nG6_analyze.directory AS analyze_directory,'.
						'tx_nG6_analyze.name AS analyze_name, '.
						'tx_nG6_analyze.date AS analyze_date, '.
						'tx_nG6_analyze.software AS analyze_software, '.
						'tx_nG6_analyze.version AS analyze_version, '.
						'tx_nG6_analyze.description AS analyze_description, '.
						'tx_nG6_analyze.hidden AS analyze_hidden, '.
						'tx_nG6_project.fe_group AS project_fe_group',
			'FROM' => 'tx_nG6_project INNER JOIN (tx_nG6_project_analyze INNER JOIN tx_nG6_analyze ON ' .
					  'tx_nG6_analyze.uid=tx_nG6_project_analyze.analyze_id) ON tx_nG6_project.uid = tx_nG6_project_analyze.project_id ',
			'WHERE' => 'tx_nG6_project_analyze.project_id='.$project_id,
			'GROUPBY' => '',
			'ORDERBY' => $orderby,
			'LIMIT' => $limit
		);
		// Then create the result hash table
		$results = array();
		$res = $GLOBALS['TYPO3_DB']->exec_SELECT_queryArray($queryParts);
		$user_groups = t3lib_div::intExplode(',',tx_nG6_db::get_user_groups($user_group));
		while($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
			$analyze_id = $row['analyze_id'];

			// Is the user allowed to see this analyse
			$user_allowed = false;
			if ($row['analyze_hidden'] == 0) {
				$user_allowed = true;
			} else {
			    foreach(tx_nG6_db::get_super_groups_of($row['project_fe_group']) AS $valeur) {
					if (in_array($valeur, $user_groups)) {
						$user_allowed = true;
					}
			    }
			}

			if (!isset ($results['analyse_'.$analyze_id]) and $user_allowed) {
				$results['analyse_'.$analyze_id] = array(
					'directory'		=> $row['analyze_directory'],
					'name' 			=> $row['analyze_name'],
					'id' 			=> $row['analyze_id'],
					'hidden' 		=> $row['analyze_hidden'],
					'software' 		=> $row['analyze_software'],
					'version' 		=> $row['analyze_version'],
					'date'			=> $row['analyze_date'],
					'description' 	=> $row['analyze_description']
				);
			}
		}
		return $results;
    }


	/*
	 * Run functions
	 *------------------------------------------------------------*/

	/**
	 * Select all run for the specified user
	 *
	 * @param	string	$user_group	the user group
	 * @return	table with all projects
	 */
	function select_all_user_runs($user_group, $orderby='', $limit='') {

		// If the user is not logged on display demonstration project
		if (!$GLOBALS['TSFE']->loginUser) {
			$where = 'fe_group=0';
		} else {
			$where = 'fe_group IN ('.tx_nG6_db::get_user_groups($user_group).')';
		}
     	// Execute the request
		$queryParts = Array(
			'SELECT' => 'tx_nG6_run.uid AS run_id,'.
					 	'tx_nG6_run.directory AS run_directory,'.
					 	'tx_nG6_run.species AS run_species,'.
						'tx_nG6_run.description AS run_description, '.
						'tx_nG6_run.data_nature AS run_data_nature, '.
						'tx_nG6_run.sequencer AS run_sequencer, '.
						'tx_nG6_run.type AS run_type, '.
						'tx_nG6_run.name AS run_name, '.
						'tx_nG6_run.nb_sequences AS run_nb_sequences, '.
						'tx_nG6_run.full_seq_size AS run_full_seq_size, '.
						'tx_nG6_run.date AS run_date, '.
						'tx_nG6_run.hidden AS run_hidden, '.
						'tx_nG6_project.uid AS project_id, '.
						'tx_nG6_project.name AS project_name, '.
						'tx_nG6_project.fe_group AS project_fe_group',
			'FROM' => 'tx_nG6_project INNER JOIN ( tx_nG6_project_run INNER JOIN tx_nG6_run ON tx_nG6_project_run.run_id=tx_nG6_run.uid '.
					  ' ) ON tx_nG6_project.uid=tx_nG6_project_run.project_id',
			'WHERE' => $where,
			'GROUPBY' => '',
			'ORDERBY' => $orderby,
			'LIMIT' 	=> $limit
		);
		// Then create the result hash table
		$results = array();
		$user_groups = t3lib_div::intExplode(',',tx_nG6_db::get_user_groups($user_group));
		$res = $GLOBALS['TYPO3_DB']->exec_SELECT_queryArray($queryParts);
		while($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
			$run_id = $row['run_id'];

			// Is the user allowed to see this run
			$user_allowed = false;
			if ($row['run_hidden'] == 0) {
				$user_allowed = true;
			} else {
			    foreach(tx_nG6_db::get_super_groups_of($row['project_fe_group']) AS $valeur) {
					if (in_array($valeur, $user_groups)) {
						$user_allowed = true;
					}
			    }
			}

			if (!isset($results['run_'.$run_id]) and $user_allowed) {
				$results['run_'.$run_id] = array(
					'id'			=> $run_id,
					'directory'		=> $row['run_directory'],
					'name' 			=> $row['run_name'],
					'project_name' 	=> $row['project_name'],
					'fe_group' 		=> $row['project_fe_group'],
					'project_id' 	=> $row['project_id'],
					'hidden'		=> $row['run_hidden'],
					'species' 		=> $row['run_species'],
					'nb_sequences' 	=> $row['run_nb_sequences'],
					'full_seq_size' => $row['run_full_seq_size'],
					'date'			=> $row['run_date'],
					'data_nature'	=> $row['run_data_nature'],
					'sequencer'		=> $row['run_sequencer'],
					'type'			=> $row['run_type'],
					'description' 	=> $row['run_description']
				);
			}
		}
		return $results;

	}

	/**
	 * Select all information for the specified run
	 *
	 * @param	string	$run_id	the run id
	 * @return	hash table with all the run information
	 */
	function select_run($run_id) {


		// First select the run from the database
		$queryParts = Array(
			'SELECT' => 'tx_nG6_project.uid AS project_id,'.
						'tx_nG6_project.name AS project_name,'.
						'tx_nG6_run.uid AS run_id,'.
					 	'tx_nG6_run.directory AS run_directory,'.
						'tx_nG6_run.description AS run_description, '.
						'tx_nG6_run.species AS run_species, '.
						'tx_nG6_run.name AS run_name, '.
						'tx_nG6_run.data_nature AS run_data_nature, '.
						'tx_nG6_run.sequencer AS run_sequencer, '.
						'tx_nG6_run.type AS run_type, '.
						'tx_nG6_run.full_seq_size, '.
						'tx_nG6_run.nb_sequences, '.
						'tx_nG6_run.date AS run_date',
			'FROM' => 'tx_nG6_project INNER JOIN ( tx_nG6_project_run INNER JOIN tx_nG6_run ON tx_nG6_project_run.run_id=tx_nG6_run.uid '.
					  ' ) ON tx_nG6_project.uid=tx_nG6_project_run.project_id',
			'WHERE' => 'tx_nG6_run.uid='.$run_id,
			'GROUPBY' => '',
			'ORDERBY' => 'tx_nG6_run.date DESC',
			'LIMIT' 	=> ''
		);
		// Then create the result hash table
		$result = array();
		$res = $GLOBALS['TYPO3_DB']->exec_SELECT_queryArray($queryParts);
		while($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
			$result = array(
				'project_id'	=> $row['project_id'],
				'project_name'	=> $row['project_name'],
				'directory'		=> $row['run_directory'],
				'name' 			=> $row['run_name'],
				'type' 			=> $row['run_type'],
				'sequencer' 	=> $row['run_sequencer'],
				'data_nature' 	=> $row['run_data_nature'],
				'full_seq_size' => $row['full_seq_size'],
				'species' 		=> $row['run_species'],
				'nb_sequences' 	=> $row['nb_sequences'],
				'date'			=> $row['run_date'],
				'description' 	=> $row['run_description']
			);
		}
		return $result;
    }

	/**
	 * Select all analysis linked to the specified run
	 *
	 * @param	string	$user_group	the user group
	 * @param	string	$run_id	the run id
	 * @return	hash table with all analysis information
	 */
    function get_run_analysis($user_group, $run_id, $orderby='', $limit='') {
		// First select all analysis from the database
		$queryParts = array(
			'SELECT' => 'tx_nG6_analyze.uid AS analyze_id,'.
						'tx_nG6_analyze.directory AS analyze_directory,'.
						'tx_nG6_analyze.name AS analyze_name, '.
						'tx_nG6_analyze.date AS analyze_date, '.
						'tx_nG6_analyze.software AS analyze_software, '.
						'tx_nG6_analyze.version AS analyze_version, '.
						'tx_nG6_analyze.hidden AS analyze_hidden, '.
						'tx_nG6_analyze.description AS analyze_description, '.
						'tx_nG6_project.fe_group AS project_fe_group',
			'FROM' => 'tx_nG6_project INNER JOIN ( tx_nG6_project_run INNER JOIN ( tx_nG6_run INNER JOIN ( tx_nG6_run_analyze INNER JOIN '.
					  'tx_nG6_analyze ON tx_nG6_analyze.uid = tx_nG6_run_analyze.analyze_id) ON tx_nG6_run_analyze.run_id = tx_nG6_run.uid '.
					  ') ON tx_nG6_run.uid = tx_nG6_project_run.run_id) ON tx_nG6_project_run.project_id = tx_nG6_project.uid ',
			'WHERE' => 'tx_nG6_run_analyze.run_id='.$run_id,
			'GROUPBY' => '',
			'ORDERBY' => $orderby,
			'LIMIT' => $limit
		);
		// Then create the result hash table
		$results = array();
		$res = $GLOBALS['TYPO3_DB']->exec_SELECT_queryArray($queryParts);
		$user_groups = t3lib_div::intExplode(',',tx_nG6_db::get_user_groups($user_group));
		while($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
			$analyze_id = $row['analyze_id'];

			// Is the user allowed to see this analyse
			$user_allowed = false;
			if ($row['analyze_hidden'] == 0) {
				$user_allowed = true;
			} else {
			    foreach(tx_nG6_db::get_super_groups_of($row['project_fe_group']) AS $valeur) {
					if (in_array($valeur, $user_groups)) {
						$user_allowed = true;
					}
			    }
			}

			if (!isset ($results['analyse_'.$analyze_id]) and $user_allowed) {
				$results['analyse_'.$analyze_id] = array(
					'directory'		=> $row['analyze_directory'],
					'name' 			=> $row['analyze_name'],
					'id' 			=> $row['analyze_id'],
					'hidden' 		=> $row['analyze_hidden'],
					'software' 		=> $row['analyze_software'],
					'version' 		=> $row['analyze_version'],
					'date'			=> $row['analyze_date'],
					'description' 	=> $row['analyze_description']
				);
			}
		}
		return $results;
    }


	/*
	 * Run functions
	 *------------------------------------------------------------*/

	/**
	 * Select all information on an analyse
	 *
	 * @param	string	$analyse_id	the analyse id
	 * @return	hash table with all analyse information
	 */
    function select_analyse($analyse_id) {

		// First select all analyse information
		$queryParts = array(
			'SELECT' => 'tx_nG6_project.uid AS project_id,'.
						'tx_nG6_project.name AS project_name,'.
						'tx_nG6_analyze.uid AS analyze_id,'.
						'tx_nG6_analyze.directory AS analyze_directory,'.
						'tx_nG6_analyze.name AS analyze_name, '.
						'tx_nG6_analyze.date AS analyze_date, '.
						'tx_nG6_analyze.description AS analyze_description ',
			'FROM' => 'tx_nG6_project INNER JOIN (tx_nG6_project_analyze INNER JOIN tx_nG6_analyze ON ' .
					  'tx_nG6_analyze.uid=tx_nG6_project_analyze.analyze_id) ON tx_nG6_project.uid = tx_nG6_project_analyze.project_id ',
			'WHERE' => 'tx_nG6_analyze.uid='.$analyse_id,
			'GROUPBY' => '',
			'ORDERBY' => '',
			'LIMIT' => ''
		);

		$res = $GLOBALS['TYPO3_DB']->exec_SELECT_queryArray($queryParts);

		// If it's a project analyse, add project information
		if ($GLOBALS['TYPO3_DB']->sql_num_rows($res) > 0) {
			$result = array();
			while($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
				$result = array(
					'project_name'				=> $row['project_name'],
					'project_id'				=> $row['project_id'],
					'run_name'					=> 'None',
					'run_id'					=> 'None',
					'directory'					=> $row['analyze_directory'],
					'name' 						=> $row['analyze_name'],
					'date'						=> $row['analyze_date'],
					'description' 				=> $row['analyze_description']
				);
			}
			return $result;
		} else { // If it's a run analyse, add run information
			$queryParts = array(
				'SELECT' => 'tx_nG6_project.name AS project_name,'.
							'tx_nG6_project.uid AS project_id,'.
							'tx_nG6_run.uid AS run_id,'.
							'tx_nG6_run.name AS run_name,'.
							'tx_nG6_analyze.uid AS analyze_id,'.
							'tx_nG6_analyze.directory AS analyze_directory,'.
							'tx_nG6_analyze.name AS analyze_name, '.
							'tx_nG6_analyze.date AS analyze_date, '.
							'tx_nG6_analyze.description AS analyze_description',
				'FROM' => 'tx_nG6_project INNER JOIN ( tx_nG6_project_run INNER JOIN ( tx_nG6_run INNER JOIN ( tx_nG6_run_analyze INNER JOIN '.
						  'tx_nG6_analyze ON tx_nG6_analyze.uid = tx_nG6_run_analyze.analyze_id) ON tx_nG6_run_analyze.run_id = tx_nG6_run.uid '.
						  ') ON tx_nG6_run.uid = tx_nG6_project_run.run_id) ON tx_nG6_project_run.project_id = tx_nG6_project.uid ',
				'WHERE' => 'tx_nG6_analyze.uid='.$analyse_id,
				'GROUPBY' => '',
				'ORDERBY' => 'tx_nG6_analyze.name',
				'LIMIT' => ''
			);
			$res = $GLOBALS['TYPO3_DB']->exec_SELECT_queryArray($queryParts);
			$result = array();
			while($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
				$result = array(
					'project_name'				=> $row['project_name'],
					'project_id'				=> $row['project_id'],
					'run_name'					=> $row['run_name'],
					'run_id'					=> $row['run_id'],
					'directory'					=> $row['analyze_directory'],
					'name' 						=> $row['analyze_name'],
					'date'						=> $row['analyze_date'],
					'description' 				=> $row['analyze_description']
				);
			}
			return $result;
		}
    }


	/*
	 * User functions
	 *------------------------------------------------------------*/

    /**
    * Return the supergroups list of the specified group
    *
    * @param string	$group	the group
    * @return array
    */
	function get_super_groups_of ($group) {
		// First get the super group of the given group
		$queryParts = array(
			'SELECT' => 'uid, subgroup',
			'FROM' => 'fe_groups',
			'WHERE' => '',
			'GROUPBY' => '',
			'ORDERBY' => '',
			'LIMIT' => ''
		);
		$res = $GLOBALS['TYPO3_DB']->exec_SELECT_queryArray($queryParts);
		$reslist = array();
		$i = 0;
		while($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res))	{
			if (in_array($group, t3lib_div::intExplode(',',$row['subgroup']))) {
				$reslist[$i] = $row['uid'];
				$i++;
			}
		}
		return $reslist;
	}

	/**
	 * Returns a string with user groups separated by comas
	 *
     * @param	string	$user_group	the user group
	 * @return	string	list of user groups splited by a coma
	 */
	function get_user_groups($user_group) {
		$tab_groups = array();
		tx_nG6_db::get_sub_groups($user_group, '', $tab_groups);
		$groups = '';
		foreach($tab_groups as $valeur) { $groups .= $valeur.','; }
		return substr($groups, 0, -1);
	}

	/**
	 * Fetches subgroups of groups. Function is called recursively for each subgroup.
	 * Function was previously copied from t3lib_userAuthGroup->fetchGroups and has been slightly modified.
	 *
	 * @param	string	$grList	commalist of fe_groups uid numbers
	 * @param	string	$idList	list of already processed fe_groups-uids so the function will not fall into a eternal recursion.
	 * @return	array
	 */
	function get_sub_groups($grList, $idList='', &$groups)	{

		// Fetching records of the groups in $grList (which are not blocked by lockedToDomain either):
		$lockToDomain_SQL = ' AND (lockToDomain=\'\' OR lockToDomain IS NULL)';
		$res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('uid,subgroup', 'fe_groups', 'deleted=0 AND hidden=0 AND uid IN ('.$grList.')'.$lockToDomain_SQL);

		$groupRows = array();	// Internal group record storage
		// The groups array is filled
		while ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res))	{
			if(!in_array($row['uid'], $groups))	{ $groups[] = $row['uid']; }
			$groupRows[$row['uid']] = $row;
		}

		// Traversing records in the correct order
		$include_staticArr = t3lib_div::intExplode(',', $grList);
		foreach($include_staticArr as $uid)	{	// traversing list
			// Get row:
			$row=$groupRows[$uid];
			if (is_array($row) && !t3lib_div::inList($idList,$uid))	{	// Must be an array and $uid should not be in the idList, because then it is somewhere previously in the grouplist
				// Include sub groups
				if (trim($row['subgroup']))	{
					$theList = implode(',',t3lib_div::intExplode(',',$row['subgroup']));	// Make integer list
					tx_nG6_db::get_sub_groups($theList, $idList.','.$uid, $groups);		// Call recursively, pass along list of already processed groups so they are not recursed again.
				}
			}
		}
	}

	/**
	 * Return if the user is authorized or not to access the specified project and run
	 *
	 * @param	string	$user_group	the user group
	 * @param	string	$project_id	the project id
	 * @param	string	$project_id	the run id
	 * @return	boolean
	 */
	function user_is_authorized ($user_group, $project_id, $run_id) {
		if ($project_id) {
			$queryParts = array(
				'SELECT' => 'fe_group',
				'FROM' => 'tx_nG6_project',
				'WHERE' => 'uid='.$project_id,
				'GROUPBY' => '',
				'ORDERBY' => '',
				'LIMIT' => ''
			);
			$res = $GLOBALS['TYPO3_DB']->exec_SELECT_queryArray($queryParts);
			$val = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res);
			$authorized_group = $val['fe_group'];
		} elseif ($run_id) {
			$queryParts = array(
				'SELECT' => 'project_id',
				'FROM' => 'tx_nG6_project_run',
				'WHERE' => 'run_id='.$run_id,
				'GROUPBY' => '',
				'ORDERBY' => '',
				'LIMIT' => ''
			);
			$res1 = $GLOBALS['TYPO3_DB']->exec_SELECT_queryArray($queryParts);
			$val = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res1);
			$queryParts = array(
				'SELECT' => 'fe_group',
				'FROM' => 'tx_nG6_project',
				'WHERE' => 'uid='.$val['project_id'],
				'GROUPBY' => '',
				'ORDERBY' => '',
				'LIMIT' => ''
			);
			$res2 = $GLOBALS['TYPO3_DB']->exec_SELECT_queryArray($queryParts);
			$val = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res2);
			$authorized_group = $val['fe_group'];
		} else {
			return true;
		}
		if (!$GLOBALS['TSFE']->loginUser) { // If the user is not logged on
			return $authorized_group == 0;
		} else {
			return in_array($authorized_group, preg_split("/,/", tx_nG6_db::get_user_groups($user_group)));
		}
	}


}

if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/nG6/class.tx_nG6_db.php']) {
    include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/nG6/class.tx_nG6_db.php']);
}

?>