NEW FEATURE: added caching to stats.php

since reloading always took a while and things don't really
change that much over a day, I added a caching to it.

Signed-off-by: Arun Persaud <arun@nubati.net>

1 files changed, 194 insertions, 180 deletions

diff --git a/include/stats.php b/include/stats.php
index c7b0da1..cff6a84 100644
--- a/include/stats.php
+++ b/include/stats.php
@@ -20,77 +20,83 @@ DB_update_user_timestamp($myid);
 
 display_user_menu();
 
-/* start statistics*/
-echo "<div class=\"user wide\">\n";
-
-/* always: if player logged in: add link to cards  */
-
-/* total number of games */
-echo "<p>The number of finished games on this server is: ";
-$r = DB_query_array("SELECT COUNT(*) from Game".
-		    " WHERE status='gameover'");
-$GameN =  $r[0];
-echo " $GameN </p>\n";
-
-echo "<p>The contra party wins in ";
-$result = DB_query("SELECT COUNT(*) from Score".
-		   " LEFT JOIN Game ON Game.id=game_id".
-		   " WHERE score='againstqueens'".
-		   " AND Game.status='gameover'");
-while( $r = DB_fetch_array($result))
-  echo $r[0];
-echo " games.</p>\n";
-
-/* longest and shortest game */
-$r=DB_query("SELECT timediff(mod_date,create_date) ,session,id".
-	    " FROM Game WHERE status='gameover'".
-	    " ORDER BY time_to_sec(timediff(mod_date,create_date)) ASC LIMIT 1");
-
-if($r)
-  {
-    $short= DB_fetch_array($r);
-    $names = DB_get_all_names_by_gameid($short[2]);
-    echo "<p> The shortest game took only ".$short[0]." hours and was played by  ".join(", ",$names).".<br />\n";
-  }
-
-$r=DB_query("SELECT datediff(mod_date,create_date) ,session,id".
+/* check if cached version exist */
+if( !$content = getCache("cache/stats.html",60*60*24) )
+{
+  /* start caching */
+  ob_start(); 
+  
+  /* start statistics*/
+  echo "<div class=\"user wide\">\n";
+  
+  echo "<p>Generated ".date("Y-m-d H:i:s")." (server time) </p>";
+  
+  /* total number of games */
+  echo "<p>The number of finished games on this server is: ";
+  $r = DB_query_array("SELECT COUNT(*) from Game".
+		      " WHERE status='gameover'");
+  $GameN =  $r[0];
+  echo " $GameN </p>\n";
+  
+  echo "<p>The contra party wins in ";
+  $result = DB_query("SELECT COUNT(*) from Score".
+		     " LEFT JOIN Game ON Game.id=game_id".
+		     " WHERE score='againstqueens'".
+		     " AND Game.status='gameover'");
+  while( $r = DB_fetch_array($result))
+    echo $r[0];
+  echo " games.</p>\n";
+  
+  /* longest and shortest game */
+  $r=DB_query("SELECT timediff(mod_date,create_date) ,session,id".
 	    " FROM Game WHERE status='gameover'".
-	    " ORDER BY time_to_sec(timediff(mod_date,create_date)) DESC LIMIT 1");
-if($r)
-  {
-    $long= DB_fetch_array($r);
-    echo "The longest game took ".$long[0]." days.</p>\n";
-  }
-
-$r=DB_query("SELECT COUNT(*) as c, session, id FROM Game ".
-	    " GROUP BY session ORDER BY c DESC LIMIT 1");
-if($r)
-  {
-    $long  = DB_fetch_array($r);
-    $names = DB_get_all_names_by_gameid($long[2]);
-    echo "<p>The longest session is session ".$long[1]." with ".$long[0].
-      " games played by ".join(", ",$names).".</p>\n";
-  }
-
-
-/* number of solos */
-$result = DB_query_array_all("SELECT type,COUNT(*) as c from Game".
-			     " WHERE status='gameover'".
-			     " GROUP BY type".
-			     " ORDER BY c DESC");
-array_unshift($result,array("Type","Frequency"));
-echo output_table($result,"Game types","stats");
-
-/* break up solos in types */
-$result = DB_query_array_all("SELECT solo,COUNT(*) as c from Game".
-			     " WHERE status='gameover'".
-			     " AND type='solo'".
-			     " GROUP BY solo".
-			     " ORDER BY c DESC");
-array_unshift($result,array("Type","Frequency"));
-echo output_table($result,"Kind of solos","stats");
-
-/*
+	      " ORDER BY time_to_sec(timediff(mod_date,create_date)) ASC LIMIT 1");
+  
+  if($r)
+    {
+      $short= DB_fetch_array($r);
+      $names = DB_get_all_names_by_gameid($short[2]);
+      echo "<p> The shortest game took only ".$short[0]." hours and was played by  ".join(", ",$names).".<br />\n";
+    }
+  
+  $r=DB_query("SELECT datediff(mod_date,create_date) ,session,id".
+	      " FROM Game WHERE status='gameover'".
+	      " ORDER BY time_to_sec(timediff(mod_date,create_date)) DESC LIMIT 1");
+  if($r)
+    {
+      $long= DB_fetch_array($r);
+      echo "The longest game took ".$long[0]." days.</p>\n";
+    }
+  
+  $r=DB_query("SELECT COUNT(*) as c, session, id FROM Game ".
+	      " GROUP BY session ORDER BY c DESC LIMIT 1");
+  if($r)
+    {
+      $long  = DB_fetch_array($r);
+      $names = DB_get_all_names_by_gameid($long[2]);
+      echo "<p>The longest session is session ".$long[1]." with ".$long[0].
+	" games played by ".join(", ",$names).".</p>\n";
+    }
+  
+  
+  /* number of solos */
+  $result = DB_query_array_all("SELECT type,COUNT(*) as c from Game".
+			       " WHERE status='gameover'".
+			       " GROUP BY type".
+			       " ORDER BY c DESC");
+  array_unshift($result,array("Type","Frequency"));
+  echo output_table($result,"Game types","stats");
+  
+  /* break up solos in types */
+  $result = DB_query_array_all("SELECT solo,COUNT(*) as c from Game".
+			       " WHERE status='gameover'".
+			       " AND type='solo'".
+			       " GROUP BY solo".
+			       " ORDER BY c DESC");
+  array_unshift($result,array("Type","Frequency"));
+  echo output_table($result,"Kind of solos","stats");
+  
+  /*
  2 top user mit maximaler quote an solo (min 10 games)
  
  top scoring game: winning players
@@ -101,108 +107,108 @@ echo output_table($result,"Kind of solos","stats");
  select id from game where randomnumbers like "blablabl%"; the % is like .* in regexp
  select id,type,solo,status from game where id in (select id from game where randomnumbers in (select randomnumbers from game where id=27));
  
-*/
-$result = DB_query_array_all("SELECT fullname,COUNT(*) as c FROM Score".
-			     " LEFT JOIN User ON User.id=winner_id" .
-			     " WHERE score IN ('fox','doko','karlchen')".
-			     " GROUP BY game_id,fullname".
-			     " ORDER BY c DESC LIMIT 3" );
-array_unshift($result,array("Name","Points"));
-echo output_table($result,"Most extra points in a single game","stats");
-
-/* most reminders */
-$result = DB_query_array_all("SELECT fullname, COUNT(*)  /" .
-			     "      (SELECT COUNT(*) FROM Hand".
-			     "       WHERE user_id=User.id) as c".
-			     " FROM Reminder".
-			     " LEFT JOIN User ON User.id=user_id".
-			     " GROUP BY user_id".
-			     " ORDER BY c DESC LIMIT 5" );
-array_unshift($result,array("Name","Reminders"));
-echo output_table($result,"Most reminders per game","stats");
-
-/* fox */
-$result = DB_query_array_all("SELECT fullname, COUNT(*) /" .
-			     "      (SELECT COUNT(*) FROM Hand".
-			     "       WHERE user_id=User.id) as c".
-			     " FROM Score".
-			     " LEFT JOIN User ON User.id=winner_id".
-			     " WHERE score='fox'".
-			     " GROUP BY winner_id".
-			     " ORDER BY c DESC LIMIT 5" );
-array_unshift($result,array("Name","Number of foxes caught"));
-echo output_table($result,"Most caught foxes","stats");
-
-$result = DB_query_array_all("SELECT fullname, COUNT(*) /" .
-			     "      (SELECT COUNT(*) FROM Hand".
-			     "       WHERE user_id=User.id) as c".
-			     " FROM Score".
-			     " LEFT JOIN User ON User.id=looser_id".
-			     " WHERE score='fox'".
-			     " GROUP BY looser_id".
-			     " ORDER BY c DESC LIMIT 5" );
-array_unshift($result,array("Name","Number of foxes lost"));
-echo output_table($result,"Lost foxes (most)","stats");
-
-$result = DB_query_array_all("SELECT fullname, COUNT(*) /" .
-			     "      (SELECT COUNT(*) FROM Hand".
-			     "       WHERE user_id=User.id) as c".
-			     " FROM Score".
-			     " LEFT JOIN User ON User.id=looser_id".
-			     " WHERE score='fox'".
-			     " GROUP BY looser_id".
-			     " ORDER BY c ASC LIMIT 5" );
-array_unshift($result,array("Name","Number of foxes lost"));
-echo output_table($result,"Lost foxes (least)","stats");
-
-/* which position wins the most tricks  */
-$result = DB_query_array_all("SELECT CASE winner ".
-			     "   WHEN 1 THEN 'left' ".
-			     "   WHEN 2 THEN 'top' ".
-			     "   WHEN 3 THEN 'right' ".
-			     "   WHEN 4 THEN 'bottom' END,".
-			     " COUNT(*) AS c FROM Trick".
-			     " GROUP BY winner ".
-			     " HAVING LENGTH(winner)>0  ".
-			     " ORDER BY winner ASC " );
-array_unshift($result,array("Position","Number of tricks"));
-echo output_table($result,"Tricks at the table","stats");
-
-/* most games */
-$result = DB_query_array_all("SELECT fullname, COUNT(*) as c  " .
-			     " FROM Hand".
-			     " LEFT JOIN User ON User.id=user_id".
-			     " GROUP BY user_id".
-			     " ORDER BY c DESC LIMIT 7" );
-array_unshift($result,array("Name","Number of games"));
-echo output_table($result,"Most games","stats");
-
-/* most solos */
-$result = DB_query_array_all("SELECT fullname as fname,".
-			     "       COUNT(*), ".
-			     "       COUNT(*)/(SELECT COUNT(*) FROM Hand LEFT JOIN User ON User.id=Hand.user_id WHERE fullname=fname) as c ".
-			     " FROM Game ".
-			     " LEFT JOIN Hand ON Hand.position=startplayer AND Game.id=Hand.game_id ".
-			     " LEFT JOIN User ON User.id=Hand.user_id ".
-			     " WHERE type='solo' AND Game.solo<>'silent' AND Game.status='gameover' ".
-			     " GROUP BY user_id ".
-			     " ORDER BY c DESC;");
-array_unshift($result,array("Name","Number of solos","Solos/game"));
-echo output_table($result,"Most solos","stats");
-
-
-/* most active games */
-$result = DB_query_array_all("SELECT fullname, COUNT(*) as c  " .
-		   " FROM Hand".
-		   " LEFT JOIN User ON User.id=user_id".
-		   " LEFT JOIN Game ON Game.id=game_id".
-		   " WHERE Game.status<>'gameover'".
-		   " GROUP BY user_id".
-		   " ORDER BY c DESC LIMIT 7" );
-array_unshift($result,array("Name","Number of active games"));
-echo output_table($result,"Active games","stats");
-
-/*
+  */
+  $result = DB_query_array_all("SELECT fullname,COUNT(*) as c FROM Score".
+			       " LEFT JOIN User ON User.id=winner_id" .
+			       " WHERE score IN ('fox','doko','karlchen')".
+			       " GROUP BY game_id,fullname".
+			       " ORDER BY c DESC LIMIT 3" );
+  array_unshift($result,array("Name","Points"));
+  echo output_table($result,"Most extra points in a single game","stats");
+  
+  /* most reminders */
+  $result = DB_query_array_all("SELECT fullname, COUNT(*)  /" .
+			       "      (SELECT COUNT(*) FROM Hand".
+			       "       WHERE user_id=User.id) as c".
+			       " FROM Reminder".
+			       " LEFT JOIN User ON User.id=user_id".
+			       " GROUP BY user_id".
+			       " ORDER BY c DESC LIMIT 5" );
+  array_unshift($result,array("Name","Reminders"));
+  echo output_table($result,"Most reminders per game","stats");
+  
+  /* fox */
+  $result = DB_query_array_all("SELECT fullname, COUNT(*) /" .
+			       "      (SELECT COUNT(*) FROM Hand".
+			       "       WHERE user_id=User.id) as c".
+			       " FROM Score".
+			       " LEFT JOIN User ON User.id=winner_id".
+			       " WHERE score='fox'".
+			       " GROUP BY winner_id".
+			       " ORDER BY c DESC LIMIT 5" );
+  array_unshift($result,array("Name","Number of foxes caught"));
+  echo output_table($result,"Most caught foxes","stats");
+  
+  $result = DB_query_array_all("SELECT fullname, COUNT(*) /" .
+			       "      (SELECT COUNT(*) FROM Hand".
+			       "       WHERE user_id=User.id) as c".
+			       " FROM Score".
+			       " LEFT JOIN User ON User.id=looser_id".
+			       " WHERE score='fox'".
+			       " GROUP BY looser_id".
+			       " ORDER BY c DESC LIMIT 5" );
+  array_unshift($result,array("Name","Number of foxes lost"));
+  echo output_table($result,"Lost foxes (most)","stats");
+  
+  $result = DB_query_array_all("SELECT fullname, COUNT(*) /" .
+			       "      (SELECT COUNT(*) FROM Hand".
+			       "       WHERE user_id=User.id) as c".
+			       " FROM Score".
+			       " LEFT JOIN User ON User.id=looser_id".
+			       " WHERE score='fox'".
+			       " GROUP BY looser_id".
+			       " ORDER BY c ASC LIMIT 5" );
+  array_unshift($result,array("Name","Number of foxes lost"));
+  echo output_table($result,"Lost foxes (least)","stats");
+  
+  /* which position wins the most tricks  */
+  $result = DB_query_array_all("SELECT CASE winner ".
+			       "   WHEN 1 THEN 'left' ".
+			       "   WHEN 2 THEN 'top' ".
+			       "   WHEN 3 THEN 'right' ".
+			       "   WHEN 4 THEN 'bottom' END,".
+			       " COUNT(*) AS c FROM Trick".
+			       " GROUP BY winner ".
+			       " HAVING LENGTH(winner)>0  ".
+			       " ORDER BY winner ASC " );
+  array_unshift($result,array("Position","Number of tricks"));
+  echo output_table($result,"Tricks at the table","stats");
+  
+  /* most games */
+  $result = DB_query_array_all("SELECT fullname, COUNT(*) as c  " .
+			       " FROM Hand".
+			       " LEFT JOIN User ON User.id=user_id".
+			       " GROUP BY user_id".
+			       " ORDER BY c DESC LIMIT 7" );
+  array_unshift($result,array("Name","Number of games"));
+  echo output_table($result,"Most games","stats");
+  
+  /* most solos */
+  $result = DB_query_array_all("SELECT fullname as fname,".
+			       "       COUNT(*), ".
+			       "       COUNT(*)/(SELECT COUNT(*) FROM Hand LEFT JOIN User ON User.id=Hand.user_id WHERE fullname=fname) as c ".
+			       " FROM Game ".
+			       " LEFT JOIN Hand ON Hand.position=startplayer AND Game.id=Hand.game_id ".
+			       " LEFT JOIN User ON User.id=Hand.user_id ".
+			       " WHERE type='solo' AND Game.solo<>'silent' AND Game.status='gameover' ".
+			       " GROUP BY user_id ".
+			       " ORDER BY c DESC;");
+  array_unshift($result,array("Name","Number of solos","Solos/game"));
+  echo output_table($result,"Most solos","stats");
+  
+  
+  /* most active games */
+  $result = DB_query_array_all("SELECT fullname, COUNT(*) as c  " .
+			       " FROM Hand".
+			       " LEFT JOIN User ON User.id=user_id".
+			       " LEFT JOIN Game ON Game.id=game_id".
+			       " WHERE Game.status<>'gameover'".
+			       " GROUP BY user_id".
+			       " ORDER BY c DESC LIMIT 7" );
+  array_unshift($result,array("Name","Number of active games"));
+  echo output_table($result,"Active games","stats");
+  
+  /*
  does the party win more often if they start
  
  echo "<p>The party playing first wins in";
@@ -214,16 +220,24 @@ echo output_table($result,"Active games","stats");
  while( $r = mysql_fetch_array($result,MYSQL_NUM))
  echo $r[1]." (".$r[0].") <br />\n";
  echo " games</p>\n";
-*/
-$result = generate_global_score_table();
-array_unshift($result,array("Name","Average score per game"));
-echo output_table($result,"Points per game","stats");
-
-/*
+  */
+  $result = generate_global_score_table();
+  array_unshift($result,array("Name","Average score per game"));
+  echo output_table($result,"Points per game","stats");
+  
+  /*
  how often is the last trick a non-trump trick
-*/
+  */
+  
+  echo "</div>\n"; /* end output */
+
+  /* write file to cache */
+  $content = ob_get_contents();
+  ob_end_clean();
+  createCache($content,"cache/stats.html");
+}
 
-echo "</div>\n"; /* end output */
+echo $content;
 
 ?>