path: root/modules-available/statistics_reporting/inc/queries.inc.php

<?php


class Queries
{

	// Client Data: Name, Time Online, Median Time Online, Time Offline, last start, last logout, Last Time Booted, Number of Sessions > 60Sec, Number of Sessions < 60Sec, name of location, id of location (anonymized), machine uuid (anonymized)
	public static function getClientStatistics($cutOff, $lowerTimeBound = 0, $upperTimeBound = 24) {
		$notassigned = Dictionary::translateFile('template-tags', 'lang_notassigned');
		$res = Database::simpleQuery("SELECT t1.name AS clientName, timeSum, medianTime, offlineSum, lastStart, lastLogout, longSessions, shortSessions, locName, MD5(locId) AS locHash, MD5(t1.uuid) AS clientHash FROM (
													SELECT machine.hostname AS 'name', machine.machineuuid AS 'uuid', SUM(CAST(sessionTable.length AS UNSIGNED)) AS 'timeSum', GROUP_CONCAT(sessionTable.length) AS 'medianTime', SUM(sessionTable.length >= 60) AS 'longSessions', SUM(sessionTable.length < 60) AS 'shortSessions',MAX(sessionTable.dateline + sessionTable.data) AS 'lastLogout', IFNULL(location.locationname, '$notassigned') AS 'locName', location.locationid AS 'locId'
													FROM ".self::getBoundedTableQueryString('~session-length', $lowerTimeBound, $upperTimeBound, $cutOff)." sessionTable
														INNER JOIN machine ON sessionTable.machineuuid = machine.machineuuid
														LEFT JOIN location ON machine.locationid = location.locationid
													GROUP BY machine.machineuuid
												) 	t1 
												INNER JOIN (
													SELECT machine.hostname AS 'name', machine.machineuuid AS 'uuid', SUM(CAST(offlineTable.length AS UNSIGNED)) AS 'offlineSum', MAX(offlineTable.dateline) AS 'lastStart'
													FROM ".self::getBoundedTableQueryString('~offline-length', $lowerTimeBound, $upperTimeBound, $cutOff)." offlineTable
														INNER JOIN machine ON offlineTable.machineuuid = machine.machineuuid
													GROUP BY machine.machineuuid
												) 	t2 
												ON t1.uuid = t2.uuid");
		return $res;
	}

	// Location Data: Name, ID (anonymized), Time Online, Median Time Online, Time Offline, Number of Sessions > 60Sec, Number of Sessions < 60Sec
	public static function getLocationStatistics($cutOff, $lowerTimeBound = 0, $upperTimeBound = 24) {
		$notassigned = Dictionary::translateFile('template-tags', 'lang_notassigned');
		$res = Database::simpleQuery("SELECT t1.locName AS locName, MD5(locId) AS locHash, timeSum, medianTime, offlineSum, longSessions, shortSessions FROM (
													SELECT IFNULL(location.locationname, '$notassigned') AS 'locName', location.locationid AS 'locId', SUM(CAST(sessionTable.length AS UNSIGNED)) AS 'timeSum', GROUP_CONCAT(sessionTable.length) AS 'medianTime', SUM(sessionTable.length >= 60) AS 'longSessions', SUM(sessionTable.length < 60) AS 'shortSessions'
													FROM ".self::getBoundedTableQueryString('~session-length', $lowerTimeBound, $upperTimeBound, $cutOff)." sessionTable
												   	INNER JOIN machine ON sessionTable.machineuuid = machine.machineuuid 
														LEFT JOIN location ON machine.locationid = location.locationid 
													GROUP BY location.locationname
												) 	t1 
												INNER JOIN (
											 		SELECT IFNULL(location.locationname, '$notassigned') AS 'locName', SUM(CAST(offlineTable.length AS UNSIGNED)) AS 'offlineSum'
													FROM ".self::getBoundedTableQueryString('~offline-length', $lowerTimeBound, $upperTimeBound, $cutOff)." offlineTable
														INNER JOIN machine ON offlineTable.machineuuid = machine.machineuuid 
														LEFT JOIN location ON machine.locationid = location.locationid 
													GROUP BY location.locationname
												) 	t2 
												ON t1.locName = t2.locName");
		return $res;
	}

	// User Data: Name, Name(anonymized), Number of Logins
	public static function getUserStatistics($cutOff, $lowerTimeBound = 0, $upperTimeBound = 24) {
		$res = Database::simpleQuery("SELECT username AS name, IF(username = 'anonymous', 'anonymous', md5(username)) AS  userHash, COUNT(*) AS 'count' 
												FROM statistic 
												WHERE typeid='.vmchooser-session-name' AND dateline+data >= UNIX_TIMESTAMP(CURDATE() - INTERVAL $cutOff DAY) 
														AND ((FROM_UNIXTIME(dateline+data, '%H')*1 >= $lowerTimeBound) AND (FROM_UNIXTIME(dateline, '%H')*1 < $upperTimeBound))
												GROUP BY username 
												ORDER BY 2 DESC");
		return $res;
	}

	// Virtual Machine Data: Name, Number of Usages
	public static function getVMStatistics($cutOff, $lowerTimeBound = 0, $upperTimeBound = 24) {
		$res = Database::simpleQuery("SELECT data AS name, COUNT(*) AS 'count' FROM statistic WHERE typeid='.vmchooser-session-name' AND dateline+data >= UNIX_TIMESTAMP(CURDATE() - INTERVAL $cutOff DAY) 
												AND ((FROM_UNIXTIME(dateline+data, '%H')*1 >= $lowerTimeBound) AND (FROM_UNIXTIME(dateline, '%H')*1 < $upperTimeBound)) 
												GROUP BY data 
												ORDER BY 2 DESC");
		return $res;
	}

	//Total Data: Time Online, Median Time Online, Number of Sessions > 60Sec, Number of Sessions < 60Sec
	public static function getOverallStatistics ($cutOff, $lowerTimeBound = 0, $upperTimeBound = 24) {
		$res = Database::simpleQuery("SELECT SUM(CAST(sessionTable.length AS UNSIGNED)) AS sum, GROUP_CONCAT(sessionTable.length) AS median, SUM(sessionTable.length >= 60) AS longSessions, SUM(sessionTable.length < 60) AS shortSessions
											 	FROM ".self::getBoundedTableQueryString('~session-length', $lowerTimeBound, $upperTimeBound, $cutOff)." sessionTable");
		return $res;
	}

	// Total Data(2): Time Offline
	public static function getTotalOfflineStatistics($cutOff, $lowerTimeBound = 0, $upperTimeBound = 24) {
		$res = Database::simpleQuery("SELECT SUM(CAST(offlineTable.length AS UNSIGNED)) AS timeOff
												FROM ".self::getBoundedTableQueryString('~offline-length', $lowerTimeBound, $upperTimeBound, $cutOff)." offlineTable");
		return $res;
	}

	// query string which provides table with time-cutoff and time-bounds
	private static function getBoundedTableQueryString($typeid, $lowerTimeBound, $upperTimeBound, $cutOff)
	{
		$lowerFormat = "'%y-%m-%d $lowerTimeBound:00:00'";
		$upperFormat = "'%y-%m-%d ".($upperTimeBound-1).":59:59'";
		$queryString = "
			select

			@startLower := UNIX_TIMESTAMP(FROM_UNIXTIME(dateline, $lowerFormat)),
			@startUpper := UNIX_TIMESTAMP(FROM_UNIXTIME(dateline, $upperFormat)),
			@endLower := UNIX_TIMESTAMP(FROM_UNIXTIME(dateline+data, $lowerFormat)),
			@endUpper := UNIX_TIMESTAMP(FROM_UNIXTIME(dateline+data, $upperFormat)),
			
			(CAST(data AS SIGNED) 
			- IF(
					dateline > @startUpper,
					UNIX_TIMESTAMP(FROM_UNIXTIME(dateline, $lowerFormat) + INTERVAL 1 DAY) - dateline,
					IF(
						 dateline < @startLower,
						 @startLower - dateline,
						 0
					)
			  )
			- IF(
					dateline+data > @endUpper,
					dateline+data - (@endUpper + 1),
					IF(
						 dateline+data < @endLower,
						 dateline+data - (UNIX_TIMESTAMP(FROM_UNIXTIME(dateline+data, $upperFormat) - INTERVAL 1 DAY) + 1),
						 0
					)
			  )
			- (    TO_DAYS(FROM_UNIXTIME(dateline+data, '%y-%m-%d')) - TO_DAYS(FROM_UNIXTIME(dateline, '%y-%m-%d'))
					 - 2
					 + IF(dateline <= @startUpper, 1, 0)
					 + IF(dateline+data >= @endLower, 1, 0)
			  ) * ((24 - ($upperTimeBound - $lowerTimeBound)) * 3600)
			  
			- IF(
					@leftBound := IF(dateline <= @startUpper, @startUpper, UNIX_TIMESTAMP(FROM_UNIXTIME(dateline, $upperFormat) + INTERVAL 1 DAY))
					< @rightBound := IF(dateline+data >= @endLower, @endLower, UNIX_TIMESTAMP(FROM_UNIXTIME(dateline+data, $lowerFormat) - INTERVAL 1 DAY)),
					IF(
						@timeDiff := (
						(date_format(from_unixtime(@leftBound), '%H') -
						date_format(convert_tz(from_unixtime(@leftBound), @@session.time_zone, '+00:00'), '%H') + 24) % 24
						-
						(date_format(from_unixtime(@rightBound), '%H') -
						date_format(convert_tz(from_unixtime(@rightBound), @@session.time_zone, '+00:00'), '%H') + 24) % 24) = 1
						AND ($lowerTimeBound >= 2 OR $upperTimeBound <= 2),
						3600,
						IF(@timeDiff = -1 AND ($lowerTimeBound >= 3 OR $upperTimeBound <= 3), -3600, 0)
					),
					0
			  )
					  
			) as 'length',
			dateline,
			data,
			machineuuid
			
			from statistic
			where dateline+data >= UNIX_TIMESTAMP(CURDATE() - INTERVAL $cutOff DAY) and typeid = '$typeid' 
			and (
				(UNIX_TIMESTAMP(FROM_UNIXTIME(dateline, $lowerFormat)) <= dateline and dateline <= UNIX_TIMESTAMP(FROM_UNIXTIME(dateline, $upperFormat))) 
				or
				(UNIX_TIMESTAMP(FROM_UNIXTIME(dateline+data, $lowerFormat)) <= dateline+data and dateline+data <= UNIX_TIMESTAMP(FROM_UNIXTIME(dateline+data, $upperFormat)))
	 		)
		";
		return "(".$queryString.")";
	}
}