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<?
# Lifter002: TODO
# Lifter003: TEST
# Lifter007: TODO
# Lifter010: TODO
// +--------------------------------------------------------------------------+
// This file is part of Stud.IP
// CycleDataDB.php
//
// Datenbank-Abfragen für CycleData.php
//
// +--------------------------------------------------------------------------+
// 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 any later version.
// +--------------------------------------------------------------------------+
// This program 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.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// +--------------------------------------------------------------------------+
/**
* CycleDataDB.php
*
*
* @author Till Glöggler <tgloeggl@uos.de>
* @version 19. Oktober 2005
* @access protected
* @package raumzeit
*/
class CycleDataDB
{
/**
* Returns sorted array of all dates belonging to the passed metadate,
* optionally filtered by start- and end-date
*
* @param string $metadate_id
* @param integer $start
* @param integer $end
*
* @return array
*/
public static function getTermine($metadate_id, $start = 0, $end = 0)
{
if (($start != 0) || ($end != 0)) {
$query = "SELECT termine.*, r.resource_id, GROUP_CONCAT(DISTINCT trp.user_id) AS related_persons, GROUP_CONCAT(DISTINCT trg.statusgruppe_id) AS related_groups
FROM termine
LEFT JOIN termin_related_persons AS trp ON (termine.termin_id = trp.range_id)
LEFT JOIN termin_related_groups AS trg ON (termine.termin_id = trg.termin_id)
LEFT JOIN resource_bookings AS r ON (termine.termin_id = r.range_id)
WHERE metadate_id = ? AND termine.date BETWEEN ? AND ?
GROUP BY termine.termin_id
ORDER BY NULL";
$parameters = [$metadate_id, $start, $end];
} else {
$query = "SELECT termine.*, r.resource_id, GROUP_CONCAT(DISTINCT trp.user_id) AS related_persons, GROUP_CONCAT(DISTINCT trg.statusgruppe_id) AS related_groups
FROM termine
LEFT JOIN termin_related_persons AS trp ON (termine.termin_id = trp.range_id)
LEFT JOIN termin_related_groups AS trg ON (termine.termin_id = trg.termin_id)
LEFT JOIN resource_bookings AS r ON (termine.termin_id = r.range_id)
WHERE metadate_id = ?
GROUP BY termine.termin_id
ORDER BY NULL";
$parameters = [$metadate_id];
}
$statement = DBManager::get()->prepare($query);
$statement->execute($parameters);
$ret = [];
while ($row = $statement->fetch(PDO::FETCH_ASSOC)) {
$data = $row;
$data['related_persons'] = array_filter(explode(',', $data['related_persons']));
$data['related_groups'] = array_filter(explode(',', $data['related_groups']));
$ret[] = $data;
}
if (($start != 0) || ($end != 0)) {
$query = "SELECT ex_termine.*, GROUP_CONCAT(DISTINCT trp.user_id) AS related_persons, GROUP_CONCAT(DISTINCT trg.statusgruppe_id) AS related_groups
FROM ex_termine
LEFT JOIN termin_related_persons AS trp ON (ex_termine.termin_id = trp.range_id)
LEFT JOIN termin_related_groups AS trg ON (ex_termine.termin_id = trg.termin_id)
WHERE metadate_id = ? AND `date` BETWEEN ? AND ?
GROUP BY ex_termine.termin_id
ORDER BY NULL";
$parameters = [$metadate_id, $start, $end];
} else {
$query = "SELECT ex_termine.*, GROUP_CONCAT(DISTINCT trp.user_id) AS related_persons, GROUP_CONCAT(DISTINCT trg.statusgruppe_id) AS related_groups
FROM ex_termine
LEFT JOIN termin_related_persons AS trp ON (ex_termine.termin_id = trp.range_id)
LEFT JOIN termin_related_groups AS trg ON (ex_termine.termin_id = trg.termin_id)
WHERE metadate_id = ?
GROUP BY ex_termine.termin_id
ORDER BY NULL";
$parameters = [$metadate_id];
}
$statement = DBManager::get()->prepare($query);
$statement->execute($parameters);
while ($row = $statement->fetch(PDO::FETCH_ASSOC)) {
$zw = $row;
$zw['ex_termin'] = TRUE;
$zw['related_persons'] = array_filter(explode(',', $zw['related_persons']));
$zw['related_groups'] = array_filter(explode(',', $zw['related_groups']));
$ret[] = $zw;
}
if ($ret) {
usort($ret, 'CycleDataDB::sort_dates');
return $ret;
}
return FALSE;
}
public static function sort_dates($a, $b)
{
if ($a['date'] == $b['date']) return 0;
return ($a['date'] < $b['date']) ? -1 : 1;
}
/**
* Deletes all dates that are newer then the passed date for metadate
* with the passed id
*
* @param string $metadate_id
* @param int $timestamp
*
* @return int number of deleted singledates
*/
public static function deleteNewerSingleDates($metadate_id, $timestamp)
{
$count = 0;
$query = "SELECT termin_id
FROM termine
WHERE metadate_id = ? AND `date` > ?";
$statement = DBManager::get()->prepare($query);
$statement->execute([$metadate_id, $timestamp]);
while ($termin_id = $statement->fetchColumn()) {
$termin = new SingleDate($termin_id);
$termin->delete();
unset($termin);
$count += 1;
}
$query = "DELETE FROM termine WHERE metadate_id = ? AND `date` > ?";
$statement = DBManager::get()->prepare($query);
$statement->execute([$metadate_id, $timestamp]);
$query = "DELETE FROM ex_termine WHERE metadate_id = ? AND `date` > ?";
$statement = DBManager::get()->prepare($query);
$statement->execute([$metadate_id, $timestamp]);
return $count;
}
/**
* Returns the list of booked rooms ordered by number of appearance
* in the metadate with the passed id
*
* @param string $metadate_id
* @param integer $filterStart
* @param integer $filterEnd
*
* @return array [resource_id, number_of_appearances]
*/
public static function getPredominantRoomDB($metadate_id, $filterStart = 0, $filterEnd = 0)
{
if (($filterStart == 0) && ($filterEnd == 0)) {
$query = "SELECT resource_id, COUNT(resource_id) AS c
FROM termine
INNER JOIN resource_bookings ON (termin_id = resource_bookings.range_id)
WHERE termine.metadate_id = ? AND resource_id != ''
GROUP BY resource_id
ORDER BY c DESC";
$parameters = [$metadate_id];
} else {
$query = "SELECT resource_id, COUNT(resource_id) AS c
FROM termine
INNER JOIN resource_bookings ON (termin_id = resource_bookings.range_id)
WHERE termine.metadate_id = ? AND termine.date BETWEEN ? AND ?
GROUP BY resource_id
ORDER BY c DESC";
$parameters = [$metadate_id, $filterStart, $filterEnd];
}
$statement = DBManager::get()->prepare($query);
$statement->execute($parameters);
return $statement->fetchGrouped(PDO::FETCH_COLUMN) ?: false;
}
/**
* Returns the list of freetext rooms ordered by number of appearance
* in the metadate with the passed id
*
* @param [type] $metadate_id
* @param integer $filterStart
* @param integer $filterEnd
*
* @return array [freetex, number_of_appearances]
*/
public static function getFreeTextPredominantRoomDB($metadate_id, $filterStart = 0, $filterEnd = 0)
{
if (($filterStart == 0) && ($filterEnd == 0)) {
$query = "SELECT raum, COUNT(raum) AS c
FROM termine
LEFT JOIN resource_bookings ON (termin_id = resource_bookings.range_id)
WHERE termine.metadate_id = ? AND resource_bookings.range_id IS NULL
GROUP BY raum
ORDER BY c DESC";
$parameters = [$metadate_id];
} else {
$query = "SELECT raum, COUNT(raum) AS c
FROM termine
LEFT JOIN resource_bookings ON (termin_id = resource_bookings.range_id)
WHERE termine.metadate_id = ? AND resource_bookings.range_id IS NULL
AND termine.date BETWEEN ? AND ?
GROUP BY raum
ORDER BY c DESC";
$parameters = [$metadate_id, $filterStart, $filterEnd];
}
$statement = DBManager::get()->prepare($query);
$statement->execute($parameters);
return $statement->fetchGrouped(PDO::FETCH_COLUMN) ?: false;
}
/**
* returns the first date for a given metadate_id as array
*
* @param string $metadate_id
*
* @return array
*/
public static function getFirstDate($metadate_id)
{
$query = "SELECT *
FROM termine
WHERE metadate_id = ?
ORDER BY `date` ASC
LIMIT 1";
$statement = DBManager::get()->prepare($query);
$statement->execute([$metadate_id]);
return $statement->fetch(PDO::FETCH_ASSOC);
}
/**
* returns the last date for a given metadate_id as array
*
* @param string $metadate_id
*
* @return array
*/
public static function getLastDate($metadate_id)
{
$query = "SELECT *
FROM termine
WHERE metadate_id = ?
ORDER BY `date` DESC
LIMIT 1";
$statement = DBManager::get()->prepare($query);
$statement->execute([$metadate_id]);
return $statement->fetch(PDO::FETCH_ASSOC);
}
}
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