X-Git-Url: https://git.nubati.net/cgi-bin/gitweb.cgi?p=e-DoKo.git;a=blobdiff_plain;f=db.php;h=54f57066f2981b4b907c5fdc5b769defc68f9c00;hp=f883fff0a3cc9da755c168eaa9d54725faea3923;hb=5db5f9e9ee3544b1a2b82ad1dc4e250530dd8e64;hpb=67d441a0c134060e61f840d955b370145d1ac328

diff --git a/db.php b/db.php
index f883fff..54f5706 100644
--- a/db.php
+++ b/db.php
@@ -1,7 +1,7 @@
 <?php
 
 /*
- * open database 
+ * open database
  */
 
 function DB_open()
@@ -10,11 +10,11 @@ function DB_open()
   $DB = @mysql_connect($DB_host,$DB_user, $DB_password);
   if ( $DB )
     {
-      mysql_select_db($DB_database) or die('Could not select database'); 
+      mysql_select_db($DB_database) or die('Could not select database');
     }
   else
     return -1;
-  
+
   return 0;
 }
 
@@ -55,7 +55,17 @@ function DB_get_email_by_name($name)
 {
   $result = mysql_query("SELECT email FROM User WHERE fullname=".DB_quote_smart($name)."");
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
+  if($r)
+    return $r[0];
+  else
+    return "";
+}
+function DB_get_passwd_by_name($name)
+{
+  $result = mysql_query("SELECT password FROM User WHERE fullname=".DB_quote_smart($name)."");
+  $r      = mysql_fetch_array($result,MYSQL_NUM);
+
   if($r)
     return $r[0];
   else
@@ -66,7 +76,7 @@ function DB_get_email_by_userid($id)
 {
   $result = mysql_query("SELECT email FROM User WHERE id=".DB_quote_smart($id)."");
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -77,11 +87,11 @@ function DB_get_email_by_pos_and_gameid($pos,$gameid)
 {
   $result = mysql_query("SELECT email FROM User ".
 			"LEFT JOIN Hand ON User.id=Hand.user_id ".
-			"LEFT JOIN Game ON Game.id=Hand.game_id ". 
+			"LEFT JOIN Game ON Game.id=Hand.game_id ".
 			"WHERE Game.id=".DB_quote_smart($gameid)." ".
 			"AND Hand.position=".DB_quote_smart($pos)."");
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -92,7 +102,7 @@ function DB_get_email_by_hash($hash)
 {
   $result = mysql_query("SELECT User.email FROM User LEFT JOIN Hand ON Hand.user_id=User.id WHERE Hand.hash=".DB_quote_smart($hash)."");
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -103,7 +113,7 @@ function DB_get_userid_by_name($name)
 {
   $result = mysql_query("SELECT id FROM User WHERE fullname=".DB_quote_smart($name));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -113,7 +123,7 @@ function DB_get_userid_by_passwd($passwd)
 {
   $result = mysql_query("SELECT id FROM User WHERE password=".DB_quote_smart($passwd));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -123,7 +133,7 @@ function DB_get_userid_by_email($email)
 {
   $result = mysql_query("SELECT id FROM User WHERE email=".DB_quote_smart($email));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -133,7 +143,7 @@ function DB_get_userid_by_email_and_password($email,$password)
 {
   $result = mysql_query("SELECT id FROM User WHERE email=".DB_quote_smart($email)." AND password=".DB_quote_smart($password));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   /* test if a recovery password has been set */
   if(!$r)
     {
@@ -151,11 +161,27 @@ function DB_get_userid_by_email_and_password($email,$password)
     return 0;
 }
 
+function DB_check_recovery_passwords($password,$email)
+{
+  $result = mysql_query("SELECT User.id FROM User".
+			" LEFT JOIN Recovery ON User.id=Recovery.user_id".
+			" WHERE email=".DB_quote_smart($email).
+			" AND Recovery.password=".DB_quote_smart($password).
+			" AND DATE_SUB(CURDATE(),INTERVAL 1 DAY) <= Recovery.create_date");
+  $r      = mysql_fetch_array($result,MYSQL_NUM);
+
+  if($r)
+    return 1;
+  else
+    return 0;
+
+}
+
 function DB_get_handid_by_hash($hash)
 {
   $result = mysql_query("SELECT id FROM Hand WHERE hash=".DB_quote_smart($hash));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -168,7 +194,7 @@ function DB_get_handid_by_gameid_and_position($gameid,$pos)
 			DB_quote_smart($gameid)." AND position=".
 			DB_quote_smart($pos));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -180,7 +206,7 @@ function DB_get_userid_by_gameid_and_position($gameid,$pos)
 			DB_quote_smart($gameid)." AND position=".
 			DB_quote_smart($pos));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -194,7 +220,7 @@ function DB_get_handid_by_gameid_and_userid($gameid,$userid)
 			DB_quote_smart($gameid)." AND user_id=".
 			DB_quote_smart($userid));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -205,7 +231,7 @@ function DB_get_userid_by_hash($hash)
 {
   $result = mysql_query("SELECT user_id FROM Hand WHERE hash=".DB_quote_smart($hash));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -216,7 +242,7 @@ function DB_get_pos_by_hash($hash)
 {
   $result = mysql_query("SELECT position FROM Hand WHERE hash=".DB_quote_smart($hash));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -227,7 +253,7 @@ function DB_get_name_by_hash($hash)
 {
   $result = mysql_query("SELECT fullname FROM Hand LEFT JOIN User ON Hand.user_id=User.id WHERE hash=".DB_quote_smart($hash));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -238,7 +264,7 @@ function DB_get_name_by_email($email)
 {
   $result = mysql_query("SELECT fullname FROM User WHERE email=".DB_quote_smart($email));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -249,7 +275,7 @@ function DB_get_name_by_userid($id)
 {
   $result = mysql_query("SELECT fullname FROM User  WHERE id=".DB_quote_smart($id));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -260,7 +286,7 @@ function DB_get_status_by_hash($hash)
 {
   $result = mysql_query("SELECT status FROM Hand WHERE hash=".DB_quote_smart($hash));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -282,7 +308,7 @@ function DB_get_sickness_by_gameid($id)
 {
   $result = mysql_query("SELECT sickness FROM Game WHERE id=".DB_quote_smart($id));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -293,7 +319,7 @@ function DB_get_game_status_by_gameid($id)
 {
   $result = mysql_query("SELECT status FROM Game WHERE id=".DB_quote_smart($id));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -311,7 +337,7 @@ function DB_get_hand_status_by_userid_and_gameid($uid,$gid)
   $result = mysql_query("SELECT status FROM Hand WHERE user_id=".DB_quote_smart($uid).
 			" AND game_id=".DB_quote_smart($gid));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -323,7 +349,7 @@ function DB_get_sickness_by_userid_and_gameid($uid,$gid)
   $result = mysql_query("SELECT sickness FROM Hand WHERE user_id=".DB_quote_smart($uid).
 			" AND game_id=".DB_quote_smart($gid));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -335,7 +361,7 @@ function DB_get_sickness_by_pos_and_gameid($pos,$gid)
   $result = mysql_query("SELECT sickness FROM Hand WHERE position=".DB_quote_smart($pos).
 			" AND game_id=".DB_quote_smart($gid));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -346,7 +372,7 @@ function DB_get_gameid_by_hash($hash)
 {
   $result = mysql_query("SELECT game_id FROM Hand WHERE hash=".DB_quote_smart($hash));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -365,22 +391,21 @@ function DB_cancel_game($hash)
   while($r = mysql_fetch_array($result,MYSQL_NUM))
     {
       $id = $r[0];
-      
+
       $tmp = mysql_query("SELECT id  FROM Hand_Card WHERE hand_id=".DB_quote_smart($id));
       $tmp = mysql_fetch_array($tmp,MYSQL_NUM);
       mysql_query("DELETE FROM Play WHERE hand_card_id=".DB_quote_smart($tmp[0]));
 
-      
+
       mysql_query("DELETE FROM Hand_Card WHERE hand_id=".DB_quote_smart($id));
-      mysql_query("DELETE FROM Score WHERE hand_id=".DB_quote_smart($id));
       mysql_query("DELETE FROM Hand WHERE id=".DB_quote_smart($id));
     }
-  
+
   /* delete game */
   mysql_query("DELETE FROM User_Game_Prefs WHERE game_id=".DB_quote_smart($gameid));
   mysql_query("DELETE FROM Trick WHERE game_id=".DB_quote_smart($gameid));
   mysql_query("DELETE FROM Game WHERE id=".DB_quote_smart($gameid));
-  
+
   return;
 }
 
@@ -414,7 +439,7 @@ function DB_get_cards_by_trick($id)
 {
   $cards = array();
   $i     = 1;
-  
+
   $result = mysql_query("SELECT card_id,position FROM Play LEFT JOIN Hand_Card ON Hand_Card.id=Play.hand_card_id ".
 			"LEFT JOIN Hand ON Hand.id=Hand_Card.hand_id ".
 			"WHERE trick_id=".
@@ -463,7 +488,7 @@ function DB_get_current_trickid($gameid)
       $sequence = $r[1];
       $number++;
     };
-  
+
   if(!$sequence || $sequence==4)
     {
       mysql_query("INSERT INTO Trick VALUES (NULL,NULL,NULL, ".DB_quote_smart($gameid).",NULL)");
@@ -483,7 +508,7 @@ function DB_get_max_trickid($gameid)
 {
   $result = mysql_query("SELECT MAX(id) FROM Trick WHERE game_id=".DB_quote_smart($gameid));
   $r = mysql_fetch_array($result,MYSQL_NUM) ;
-  
+
   return ($r?$r[0]:NULL);
 }
 
@@ -491,7 +516,7 @@ function DB_play_card($trickid,$handcardid,$sequence)
 {
   mysql_query("INSERT INTO Play VALUES(NULL,NULL,NULL,".DB_quote_smart($trickid).
 	      ",".DB_quote_smart($handcardid).",".DB_quote_smart($sequence).")");
-      
+
   $playid = mysql_insert_id();
   return $playid;
 }
@@ -499,7 +524,7 @@ function DB_play_card($trickid,$handcardid,$sequence)
 function DB_get_all_names_by_gameid($id)
 {
   $names = array();
-  
+
   $result = mysql_query("SELECT fullname FROM Hand LEFT JOIN User ON Hand.user_id=User.id WHERE game_id=".
 			DB_quote_smart($id)." ORDER BY position ASC");
   while($r = mysql_fetch_array($result,MYSQL_NUM))
@@ -511,7 +536,7 @@ function DB_get_all_names_by_gameid($id)
 function DB_get_all_userid_by_gameid($id)
 {
   $names = array();
-  
+
   $result = mysql_query("SELECT user_id FROM Hand WHERE game_id=".
 			DB_quote_smart($id)." ORDER BY position ");
   while($r = mysql_fetch_array($result,MYSQL_NUM))
@@ -524,7 +549,7 @@ function DB_get_hash_from_game_and_pos($id,$pos)
 {
   $result = mysql_query("SELECT hash FROM Hand WHERE game_id=".DB_quote_smart($id)." and position=".DB_quote_smart($pos));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -535,7 +560,7 @@ function DB_get_hash_from_gameid_and_userid($id,$user)
 {
   $result = mysql_query("SELECT hash FROM Hand WHERE game_id=".DB_quote_smart($id)." and user_id=".DB_quote_smart($user));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -570,7 +595,7 @@ function DB_get_user_timestamp($userid)
 {
   $result = mysql_query("SELECT last_login FROM User WHERE id=".DB_quote_smart($userid));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -580,7 +605,7 @@ function DB_get_user_timezone($userid)
 {
   $result = mysql_query("SELECT timezone FROM User WHERE id=".DB_quote_smart($userid));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -598,7 +623,7 @@ function DB_get_gametype_by_gameid($id)
 {
   $result = mysql_query("SELECT type FROM Game WHERE id=".DB_quote_smart($id));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0]."";
   else
@@ -615,7 +640,7 @@ function DB_get_solo_by_gameid($id)
 {
   $result = mysql_query("SELECT solo FROM Game WHERE id=".DB_quote_smart($id));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0]."";
   else
@@ -627,7 +652,7 @@ function DB_get_startplayer_by_gameid($id)
 {
   $result = mysql_query("SELECT startplayer FROM Game WHERE id=".DB_quote_smart($id));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -644,7 +669,7 @@ function DB_get_player_by_gameid($id)
 {
   $result = mysql_query("SELECT player FROM Game WHERE id=".DB_quote_smart($id));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -662,7 +687,7 @@ function DB_get_ruleset_by_gameid($id)
 {
   $result = mysql_query("SELECT ruleset FROM Game WHERE id=".DB_quote_smart($id));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -673,7 +698,7 @@ function DB_get_session_by_gameid($id)
 {
   $result = mysql_query("SELECT session FROM Game WHERE id=".DB_quote_smart($id));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -684,7 +709,7 @@ function DB_get_max_session()
 {
   $result = mysql_query("SELECT MAX(session) FROM Game");
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
@@ -698,7 +723,8 @@ function DB_get_hashes_by_session($session,$user)
   $result = mysql_query("SELECT Hand.hash FROM Hand".
 			" LEFT JOIN Game ON Game.id=Hand.game_id ".
 			" WHERE Game.session=".DB_quote_smart($session).
-			" AND Hand.user_id=".DB_quote_smart($user));
+			" AND Hand.user_id=".DB_quote_smart($user).
+			" ORDER BY Game.create_date ASC");
   while($t = mysql_fetch_array($result,MYSQL_NUM))
     $r[] = $t[0];
 
@@ -708,14 +734,14 @@ function DB_get_hashes_by_session($session,$user)
 function DB_get_ruleset($dullen,$schweinchen,$call)
 {
   $r = array();
-  
+
   $result = mysql_query("SELECT id FROM Rulesets WHERE".
 			" dullen=".DB_quote_smart($dullen)." AND ".
 			" call=".DB_quote_smart($call)." AND ".
 			" schweinchen=".DB_quote_smart($schweinchen));
   if($result)
     $r    = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0]; /* found ruleset */
   else
@@ -737,12 +763,26 @@ function DB_get_party_by_hash($hash)
 {
   $result = mysql_query("SELECT party FROM Hand WHERE hash=".DB_quote_smart($hash));
   $r      = mysql_fetch_array($result,MYSQL_NUM);
-  
+
   if($r)
     return $r[0];
   else
     return NULL;
 }
+
+function DB_get_party_by_gameid_and_userid($gameid,$userid)
+{
+  $result = mysql_query("SELECT party FROM Hand".
+			" WHERE game_id=".DB_quote_smart($gameid).
+			"  AND user_id=".DB_quote_smart($userid));
+  $r      = mysql_fetch_array($result,MYSQL_NUM);
+
+  if($r)
+    return $r[0];
+  else
+    return NULL;
+}
+
 function DB_set_party_by_hash($hash,$party)
 {
   mysql_query("UPDATE Hand SET party=".DB_quote_smart($party)." WHERE hash=".DB_quote_smart($hash));
@@ -753,30 +793,81 @@ function DB_get_PREF($myid)
 {
   global $PREF;
 
-    $result = mysql_query("SELECT value from User_Prefs".
-			  " WHERE user_id='$myid' AND pref_key='cardset'" );
-    $r = mysql_fetch_array($result,MYSQL_NUM);
-    if($r)
-      {
-	if($r[0]=="germancards" && (time()-strtotime( "2009-12-31 23:59:59")<0) ) /* licence only valid until then */
-	  $PREF["cardset"]="altenburg";
+  /* Cardset */
+  $result = mysql_query("SELECT value from User_Prefs".
+			" WHERE user_id='$myid' AND pref_key='cardset'" );
+  $r = mysql_fetch_array($result,MYSQL_NUM);
+  if($r)
+    {
+      if($r[0]=="germancards" && (time()-strtotime( "2009-12-31 23:59:59")<0) ) /* licence only valid until then */
+	$PREF["cardset"]="altenburg";
       else
 	$PREF["cardset"]="english";
-      }
-    else
-      $PREF["cardset"]="english";
+    }
+  else
+    $PREF["cardset"]="english";
 
-    return;
+  /* Email */
+  $result = mysql_query("SELECT value FROM User_Prefs".
+			" WHERE user_id='$myid' AND pref_key='email'" );
+  $r = mysql_fetch_array($result,MYSQL_NUM);
+  if($r)
+    {
+      if($r[0]=="emailaddict")
+	$PREF["email"]="emailaddict";
+      else
+	$PREF["email"]="emailnonaddict";
+    }
+  else
+    $PREF["email"]="emailnonaddict";
+
+  return;
+}
+
+function DB_get_email_pref_by_hash($hash)
+{
+  $result = mysql_query("SELECT value FROM Hand".
+			" LEFT JOIN User_Prefs ON Hand.user_id=User_Prefs.user_id".
+			" WHERE hash='$hash' AND pref_key='email'" );
+  $r = mysql_fetch_array($result,MYSQL_NUM);
+  if($r)
+    {
+      if($r[0]=="emailaddict")
+	return "emailaddict";
+      else
+	return "emailnonaddict";
+    }
+  else
+    return "emailnonaddict";
+}
+
+function DB_get_email_pref_by_uid($uid)
+{
+  $result = mysql_query("SELECT value FROM User_Prefs ".
+			" WHERE user_id='$uid' AND pref_key='email'" );
+  $r = mysql_fetch_array($result,MYSQL_NUM);
+  if($r)
+    {
+      if($r[0]=="emailaddict")
+	return "emailaddict";
+      else
+	return "emailnonaddict";
+    }
+  else
+    return "emailnonaddict";
 }
 
 function DB_get_unused_randomnumbers($userstr)
 {
-  $queryresult = mysql_query("SELECT randomnumbers,Game.id, COUNT(*) as num FROM Game ".
-			     "  LEFT JOIN Hand ON Hand.game_id=Game.id ".
-			     "                 AND user_id not in (".$userstr.")".
-			     "  GROUP BY  Game.id ".
-			     "  HAVING num=4");
-  
+  $queryresult = mysql_query(" SELECT randomnumbers FROM Game".
+			     "   WHERE randomnumbers NOT IN".
+			     "           (SELECT randomnumbers FROM Game".
+			     "                LEFT JOIN Hand ON Game.id=Hand.game_id".
+			     "                WHERE user_id IN  (". $userstr .")".
+			     "                GROUP BY randomnumbers".
+			     "           )");
+
+
   $r = mysql_fetch_array($queryresult,MYSQL_NUM);
   if($r)
     return $r[0];
@@ -790,7 +881,7 @@ function DB_get_number_of_passwords_recovery($user)
 			     "  WHERE user_id=$user ".
 			     "  AND DATE_SUB(CURDATE(),INTERVAL 1 DAY) <= create_date".
 			     "  GROUP BY user_id " );
-  
+
   $r = mysql_fetch_array($queryresult,MYSQL_NUM);
   if($r)
     return $r[0];
@@ -802,14 +893,14 @@ function DB_set_recovery_password($user,$newpw)
 {
   mysql_query("INSERT INTO Recovery VALUES(NULL,".DB_quote_smart($user).
 	      ",".DB_quote_smart($newpw).",NULL)");
-	      
+
   return;
 }
 
 function DB_get_card_name($card)
 {
   $queryresult = mysql_query("SELECT strength,suite FROM Card WHERE id='$card'");
-  
+
   $r = mysql_fetch_array($queryresult,MYSQL_NUM);
   if($r)
     return $r[0]." of ".$r[1];
@@ -820,16 +911,159 @@ function DB_get_card_name($card)
 function DB_get_current_playid($gameid)
 {
   $trick = DB_get_max_trickid($gameid);
-  
+
   if(!$trick) return NULL;
-  
+
   $queryresult = mysql_query("SELECT id FROM Play WHERE trick_id='$trick' ORDER BY create_date DESC LIMIT 1");
-  
+
   $r = mysql_fetch_array($queryresult,MYSQL_NUM);
   if($r)
     return $r[0];
-  
+
   return "";
 }
 
+function DB_get_call_by_hash($hash)
+{
+  $queryresult = mysql_query("SELECT point_call FROM Hand WHERE hash='$hash'");
+
+  $r = mysql_fetch_array($queryresult,MYSQL_NUM);
+  if($r)
+    return $r[0];
+
+  return NULL;
+}
+
+function DB_get_partner_call_by_hash($hash)
+{
+  $partner = DB_get_partner_hash_by_hash($hash);
+
+  if($partner)
+    {
+      $queryresult = mysql_query("SELECT point_call FROM Hand WHERE hash='$partner'");
+
+      $r = mysql_fetch_array($queryresult,MYSQL_NUM);
+      if($r)
+	return $r[0];
+    }
+
+  return NULL;
+}
+
+function DB_get_partner_hash_by_hash($hash)
+{
+  $gameid = DB_get_gameid_by_hash($hash);
+  $party  = DB_get_party_by_hash($hash);
+
+  $queryresult = mysql_query("SELECT hash FROM Hand WHERE game_id='$gameid' AND party='$party' AND hash<>'$hash'");
+
+  $r = mysql_fetch_array($queryresult,MYSQL_NUM);
+  if($r)
+    return $r[0];
+
+  return NULL;
+}
+
+function DB_format_gameid($gameid)
+{
+  $session = DB_get_session_by_gameid($gameid);
+
+  /* get number of game */
+  $result = mysql_query("SELECT COUNT(*),create_date FROM Game".
+			" WHERE session='$session' ".
+			" AND TIMEDIFF(create_date, (SELECT create_date FROM Game WHERE id='$gameid'))<=0 ".
+			" GROUP by session");
+  $r = mysql_fetch_array($result,MYSQL_NUM);
+
+  return $session.".".$r[0];
+}
+
+function DB_get_reminder($user,$gameid)
+{
+  $queryresult = mysql_query("SELECT COUNT(*) FROM Reminder ".
+			     "  WHERE user_id=$user ".
+			     "  AND game_id=$gameid ".
+			     "  AND DATE_SUB(CURDATE(),INTERVAL 1 DAY) <= create_date".
+			     "  GROUP BY user_id " );
+
+  $r = mysql_fetch_array($queryresult,MYSQL_NUM);
+  if($r)
+    return $r[0];
+  else
+    return 0;
+}
+
+function DB_set_reminder($user,$gameid)
+{
+  mysql_query("INSERT INTO Reminder ".
+	      "  VALUES(NULL, ".DB_quote_smart($user).", ".DB_quote_smart($gameid).
+              ", NULL) ");
+  return 0;
+}
+
+function DB_is_session_active($session)
+{
+  $queryresult = mysql_query("SELECT COUNT(*) FROM Game ".
+			     "  WHERE session=$session ".
+			     "  AND status<>'gameover' ");
+
+  $r = mysql_fetch_array($queryresult,MYSQL_NUM);
+  if($r)
+    return $r[0];
+  else
+    return -1;
+}
+
+function DB_get_score_by_gameid($gameid)
+{
+  /* returns the points of a game from the point of the re parth (<0 if they lost) */
+  $queryresult = mysql_query("SELECT COUNT(*),party FROM Score ".
+			     "  WHERE game_id=$gameid ".
+			     "  GROUP BY party ");
+
+  $re     = 0;
+  $contra = 0;
+
+  while($r = mysql_fetch_array($queryresult,MYSQL_NUM) )
+    {
+      if($r[1] == "re")
+	$re += $r[0];
+      else if ($r[1] == "contra")
+	$contra += $r[0];
+    };
+
+  return ($re - $contra);
+}
+
+function DB_get_gameids_of_finished_games_by_session($session)
+{
+  $ids = array ();
+
+  $queryresult = mysql_query("SELECT id FROM Game ".
+			     "  WHERE session=$session ".
+			     "   AND status='gameover' ".
+			     " ORDER BY create_date ASC");
+
+  $i=0;
+  while($r = mysql_fetch_array($queryresult,MYSQL_NUM) )
+    {
+      $ids[$i] = $r[0];
+      $i++;
+    }
+
+  return $ids;
+}
+
+function DB_get_card_value_by_cardid($id)
+{
+  $queryresult = mysql_query("SELECT points FROM Card ".
+			     "  WHERE id=$id ");
+
+  $r = mysql_fetch_array($queryresult,MYSQL_NUM);
+  if($r)
+    return $r[0];
+  else
+    return NULL;
+}
+
 ?>
\ No newline at end of file