Add documentation and perl/php code from niels diploma.

1 files changed, 211 insertions, 0 deletions

diff --git a/doc/niels-diplom/Dateistruktur/results/statistic.php b/doc/niels-diplom/Dateistruktur/results/statistic.php
new file mode 100755
index 0000000..74e0fb8
--- /dev/null
+++ b/doc/niels-diplom/Dateistruktur/results/statistic.php
@@ -0,0 +1,211 @@
+<?php
+	
+	include("../header.php");
+
+	$user = $_SESSION['user'];
+	
+	$sql = "select max(tmp.versuche) from ERROR_LOG join (SELECT LESSON_ID, count(lesson_ID) as VERSUCHE FROM error_log group by LESSon_ID)tmp on tmp.LESSON_ID=ERROR_LOG.LESSON_ID"; // wieviele Aufgabe sind derzeit aktiv
+	
+		$stmt = dbconnect($sql);
+
+		OCIExecute($stmt);
+				
+		$nrows = OCIFetchStatement($stmt,$results);  	
+
+		if ( $nrows == 1 ) 
+			{
+				OCIExecute($stmt);
+
+				while(OCIFetch($stmt))
+				{
+					$max = OCIResult($stmt, $results); // Anzahl der zu lösenden Aufgaben
+				}
+			}
+
+
+	$sql = "select LO.NR, VERSUCHE_insgesamt from LESSON_ORDER LO join (SELECT LESSON_ID, count(lesson_ID) as VERSUCHE_insgesamt FROM error_log group by LESSON_ID)tmp on LO.LESSON_ID=tmp.LESSON_ID order by LO.NR";
+
+	$stmt = dbconnect($sql);
+
+	OCIExecute($stmt);
+
+?>
+
+				<tr >
+				<td><div class=titel_15>STATISTIK</div></td>						
+				</tr>
+				<tr>
+				<td><br></td>
+				</tr>
+				<tr>
+				<td bgcolor=#e99900 colspan=2><div class=text><b>Überblick über die Lösungsversuche pro Aufgabe:</b></div></td>
+				</tr>
+				<tr>
+				<td>
+								
+<?
+
+
+$nrows = OCIFetchStatement($stmt,$results);		//Ergebnisse in Array eintragen...
+
+if ( $nrows > 0 ) 
+	{
+		   print "<BR><TABLE BORDER=\"1\"  class=text>\n";
+		   print "<TR>\n";
+		   while ( list( $key, $val ) = each( $results ) ) 
+			   {
+				print "<TH>$key</TH>\n";
+			   }
+   print "</TR>\n";
+   
+   for ( $i = 0; $i < $nrows; $i++ ) {
+      $col=0;
+	  reset($results);
+      print "<TR>\n";
+      while ( $column = each($results) ) 
+			{
+			 $data = $column['value'];
+			
+			 if ($col==1)
+				{
+				 $percent = $data[$i] * 100/$max;  //wieviel Prozent der aufgaben hat der Student gelöst 
+
+				 $width = $percent * 400/100; // Darstellung per Balkendiagramm
+				 
+				 if ($percent <= 25) 
+					print "<td width=500>&nbsp;<img src=\"/dipl/css/balken_gruen.gif\" width=$width height=10 > $data[$i] Anfragen</td>"; 
+				 if ($percent > 25 and $percent < 50)
+					print "<td width=500>&nbsp;<img src=\"/dipl/css/balken_orange.gif\" width=$width height=10 > $data[$i] Anfragen</td>";
+				 if ($percent >= 50)
+					print "<td width=500>&nbsp;<img src=\"/dipl/css/balken_rot.gif\" width=$width height=10 > $data[$i] Anfragen</td>";
+				}
+			
+			 else
+				print "<TD>$data[$i]</TD>\n"; 
+			 $col++;
+			}
+      print "</TR>\n";
+   }
+	print "<tr><td colspan=3 class=text>Verteilung der Anzahl Anfragen nach Aufgaben.<BR></td></tr>";
+	print "</TABLE><BR>";
+	}
+
+
+?>
+
+<br><br>
+</td>
+</tr>
+<tr>
+<td colspan=2><div class=text>&nbsp;</div></td>
+</tr>
+<tr>
+<td bgcolor=#e99900 colspan=2><div class=text><b>durchschnittlich zur Lösung benötigte Zeit in Tagen:</b>:</div></td>
+</tr>
+<tr>
+<td colspan=2><div class=text>&nbsp;</div></td>
+</tr>
+<tr>
+<td>
+
+<?
+
+$sql="select max(schnitt) from LESSON_ORDER LO join (select LESSON_ID, round(sum(time)/count(LESSON_ID),1) as schnitt  from (select LESSON_ID, STUD_ID, max(datum) - min(datum) as time from (select stud_ID, datum, LESSON_ID from ERror_log union select stud_ID, datum, LESSON_ID from Logon) group by (LESSON_ID, STUD_ID)) group by LESSON_ID)tmp on LO.LESSON_ID=tmp.LESSON_ID order by LO.NR";
+
+$stmt = dbconnect($sql);
+
+		OCIExecute($stmt);
+				
+		$nrows = OCIFetchStatement($stmt,$results);  	
+
+		if ( $nrows == 1 ) 
+			{
+				OCIExecute($stmt);
+
+				while(OCIFetch($stmt))
+				{
+					$tagmax = OCIResult($stmt, $results); // Anzahl der zu lösenden Aufgaben
+				}
+			}
+
+
+
+
+$sql="select LO.NR, schnitt as \"benötigte Zeit\" from LESSON_ORDER LO join (select LESSON_ID, round(sum(time)/count(LESSON_ID),1) as schnitt  from (select LESSON_ID, STUD_ID, max(datum) - min(datum) as time from (select stud_ID, datum, LESSON_ID from ERror_log union select stud_ID, datum, LESSON_ID from Logon) group by (LESSON_ID, STUD_ID)) group by LESSON_ID)tmp on LO.LESSON_ID=tmp.LESSON_ID order by LO.NR";// benötigte Zeit ermitteln...
+
+$stmt = dbconnect($sql);
+
+OCIExecute($stmt);
+
+$nrows = OCIFetchStatement($stmt,$results);
+
+
+if ( $nrows > 0 ) 
+	{
+	   print "<BR><TABLE BORDER=\"1\" class=text width=560>\n";
+	   print "<TR>\n";
+	   while ( list( $key, $val ) = each( $results ) ) 
+			{
+				print "<TH>$key</TH>\n";
+			}
+		   print "</TR>\n";
+		   
+		   for ( $i = 0; $i < $nrows; $i++ ) 
+			   {
+				  $col=0;
+				  reset($results);
+				  print "<TR>\n";
+				  while ( $column = each($results) ) 
+						{
+						 $data = $column['value'];
+						
+						 if ($col==1)
+							{
+							 
+							 $wert = (float)(ereg_replace(",", ".", $data[$i])); // umwandeln in float
+							 $percent = $wert * 100/$tagmax;  //wieviel Prozent der aufgaben hat der Student gelöst 
+
+							 $width = $percent * 4;
+							 							 
+							 if ($percent >= 0 and $percent <= 25) 
+								print "<td width=500>&nbsp;<img src=\"/dipl/css/balken_gruen.gif\" width=$width height=10 > $wert Tage</td>"; 
+							 if ($percent > 25 and $percent < 50)
+								print "<td width=500>&nbsp;<img src=\"/dipl/css/balken_orange.gif\" width=$width height=10 > $wert Tage</td>";
+							 if ($percent >= 50)
+								print "<td width=500>&nbsp;<img src=\"/dipl/css/balken_rot.gif\" width=$width height=10 > $wert Tage</td>";
+							 /*if ($percent == 0) 
+								print "<td width=500>&nbsp;$wert Tage</td>";
+								if ($percent > 0 and $percent < 1) 
+								print "<td width=500>&nbsp;<img src=\"/dipl/css/balken_rot.gif\" width=2 height=10 >$wert Tage</td>";*/
+							 }
+					
+							 else
+								print "<TD>$data[$i]</TD>\n"; // Name und vorname ausgeben....
+							 $col++;
+						}
+					print "</TR>\n";
+				} 
+	}
+else 
+	{
+		if (isset($_GET['ID'])) 
+			{
+				$message = "Es sind noch keine Aufgaben gelöst worden....";
+			}
+
+		print "<tr><td class=text>" . $message . "<BR></tr></td>";
+	}      
+
+?> 
+
+</td>
+</tr>
+
+</table>
+</table>
+</table>
+
+
+<? 
+include("../footer.php");
+?>
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