+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 $r[0];
+ else
+ return 0;
+}
+function DB_set_player_by_gameid($id,$p)
+{
+ mysql_query("UPDATE Game SET player='".DB_quote_smart($p)."' WHERE id=".DB_quote_smart($id));
+ return;
+}
+
+
+
+function DB_get_ruleset_by_gameid($id)
+{
+ $result = mysql_query("SELECT ruleset FROM Game WHERE id=".DB_quote_smart($id));
+ $r = mysql_fetch_array($result,MYSQL_NUM);
+
+ if($r)
+ return $r[0];
+ else
+ return NULL;
+}
+
+function DB_get_session_by_gameid($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
+ return NULL;
+}
+
+function DB_get_max_session()
+{
+ $result = mysql_query("SELECT MAX(session) FROM Game");
+ $r = mysql_fetch_array($result,MYSQL_NUM);
+
+ if($r)
+ return $r[0];
+ else
+ return 0;
+}
+
+function DB_get_hashes_by_session($session,$user)
+{
+ $r = array();
+
+ $result = mysql_query("SELECT Hand.hash FROM Hand".
+ " LEFT JOIN Game ON Game.id=Hand.game_id ".
+ " WHERE Game.session=".DB_quote_smart($session).
+ " AND Hand.user_id=".DB_quote_smart($user));
+ while($t = mysql_fetch_array($result,MYSQL_NUM))
+ $r[] = $t[0];
+
+ return $r;
+}
+
+function DB_get_ruleset($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
+ {
+ /* create new one */
+ $result = mysql_query("INSERT INTO Rulesets VALUES (NULL, NULL, ".
+ DB_quote_smart($dullen).",".
+ DB_quote_smart($schweinchen).",".
+ DB_quote_smart($call).
+ ", NULL)");
+ if($result)
+ return mysql_insert_id();
+ };
+
+ return -1; /* something went wrong */
+}
+
+function DB_get_party_by_hash($hash)
+{
+ $result = mysql_query("SELECT party FROM Hand WHERE hash=".DB_quote_smart($hash));
+ $r = mysql_fetch_array($result,MYSQL_NUM);
+
+ if($r)
+ return $r[0];
+ else
+ return NULL;
+}
+function DB_set_party_by_hash($hash,$party)
+{
+ mysql_query("UPDATE Hand SET party=".DB_quote_smart($party)." WHERE hash=".DB_quote_smart($hash));
+ return;
+}
+
+function DB_get_PREF($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";
+ else
+ $PREF["cardset"]="english";
+ }
+ else
+ $PREF["cardset"]="english";
+
+ return;
+}
+
+function DB_get_unused_randomnumbers($userstr)
+{
+ $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 $r[0];
+ else
+ return "";
+}
+
+function DB_get_number_of_passwords_recovery($user)
+{
+ $queryresult = mysql_query("SELECT COUNT(*) FROM Recovery ".
+ " WHERE user_id=$user ".
+ " AND DATE_SUB(CURDATE(),INTERVAL 1 DAY) <= create_date".
+ " GROUP BY user_id " );
+
+ $r = mysql_fetch_array($queryresult,MYSQL_NUM);
+ if($r)
+ return $r[0];
+ else
+ return 0;
+}
+
+function DB_set_recovery_password($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];
+ else
+ return "Error during 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;
+}
+