[statistics_reporting] moved some functions to a new class

1 files changed, 153 insertions, 0 deletions

diff --git a/modules-available/statistics_reporting/inc/queries.inc.php b/modules-available/statistics_reporting/inc/queries.inc.php
new file mode 100644
index 00000000..23afceed
--- /dev/null
+++ b/modules-available/statistics_reporting/inc/queries.inc.php
@@ -0,0 +1,153 @@
+<?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.")";
+	}
+}
+