\n"; } return; } /* use Mysql in the background */ function DB_query($query) { /* debug/optimize the database $logfile=fopen('/tmp/DBlog.log','a+'); fwrite($logfile,"EXPLAIN $query ;\n"); $time = microtime(); $return = mysql_query($query); $time = $time - microtime(); fwrite($logfile,"time of above query: $time\n"); fclose($logfile); return $return; */ return mysql_query($query); } function DB_fetch_array($result) { return mysql_fetch_array($result,MYSQL_NUM); } function DB_insert_id() { return mysql_insert_id(); } function DB_num_rows($result) { return mysql_num_rows($result); } /* end Mysql functions */ function DB_query_array($query) { $result = DB_query($query); $return = DB_fetch_array($result); return $return; } function DB_query_array_all($query) { $result = array(); $queryresult = DB_query($query); while($row = DB_fetch_array($queryresult)) $result[] = $row; return $result; } function DB_get_passwd_by_name($name) { $r = DB_query_array("SELECT password FROM User WHERE fullname=".DB_quote_smart($name).""); if($r) return $r[0]; else return ""; } function DB_get_passwd_by_userid($id) { $r = DB_query_array("SELECT password FROM User WHERE id=".DB_quote_smart($id).""); if($r) return $r[0]; else return ""; } function DB_check_recovery_passwords($password,$email) { $r = DB_query_array("SELECT User.id FROM User". " LEFT JOIN Recovery ON User.id=Recovery.user_id". " WHERE email=".DB_quote_smart($email). " AND Recovery.password=".DB_quote_smart($password). " AND DATE_SUB(CURDATE(),INTERVAL 1 DAY) <= Recovery.create_date"); if($r) return 1; else return 0; } function DB_get_handid($type,$var1='',$var2='') { switch($type) { case 'hash': $r = DB_query_array("SELECT id FROM Hand WHERE hash=".DB_quote_smart($var1)); break; case 'gameid-position': $r = DB_query_array("SELECT id FROM Hand WHERE game_id=". DB_quote_smart($var1)." AND position=". DB_quote_smart($var2)); break; case 'gameid-userid': $r = DB_query_array("SELECT id FROM Hand WHERE game_id=". DB_quote_smart($var1)." AND user_id=". DB_quote_smart($var2)); break; } if($r) return $r[0]; else return 0; } function DB_get_pos_by_hash($hash) { $r= DB_query_array("SELECT position FROM Hand WHERE hash=".DB_quote_smart($hash)); if($r) return $r[0]; else return 0; } function DB_get_status_by_hash($hash) { $r= DB_query_array("SELECT status FROM Hand WHERE hash=".DB_quote_smart($hash)); if($r) return $r[0]; else return 0; } function DB_set_game_status_by_gameid($id,$status) { DB_query("UPDATE Game SET status='".$status."' WHERE id=".DB_quote_smart($id)); return; } function DB_set_sickness_by_gameid($id,$status) { DB_query("UPDATE Game SET sickness='".$status."' WHERE id=".DB_quote_smart($id)); return; } function DB_get_sickness_by_gameid($id) { $r = DB_query_array("SELECT sickness FROM Game WHERE id=".DB_quote_smart($id)); if($r) return $r[0]; else return NULL; } function DB_get_game_status_by_gameid($id) { $r = DB_query_array("SELECT status FROM Game WHERE id=".DB_quote_smart($id)); if($r) return $r[0]; else return NULL; } function DB_set_hand_status_by_hash($hash,$status) { DB_query("UPDATE Hand SET status='".$status."' WHERE hash=".DB_quote_smart($hash)); return; } function DB_get_hand_status_by_userid_and_gameid($uid,$gid) { $r = DB_query_array("SELECT status FROM Hand WHERE user_id=".DB_quote_smart($uid). " AND game_id=".DB_quote_smart($gid)); if($r) return $r[0]; else return 0; } function DB_get_sickness_by_userid_and_gameid($uid,$gid) { $r = DB_query_array("SELECT sickness FROM Hand WHERE user_id=".DB_quote_smart($uid). " AND game_id=".DB_quote_smart($gid)); if($r) return $r[0]; else return 0; } function DB_get_sickness_by_pos_and_gameid($pos,$gid) { $r = DB_query_array("SELECT sickness FROM Hand WHERE position=".DB_quote_smart($pos). " AND game_id=".DB_quote_smart($gid)); if($r) return $r[0]; else return 0; } function DB_get_gameid_by_hash($hash) { $r = DB_query_array("SELECT game_id FROM Hand WHERE hash=".DB_quote_smart($hash)); if($r) return $r[0]; else return 0; } function DB_cancel_game($hash) { $gameid = DB_get_gameid_by_hash($hash); if(!$gameid) return; /* get the IDs of all players */ $result = DB_query("SELECT id FROM Hand WHERE game_id=".DB_quote_smart($gameid)); while($r = DB_fetch_array($result)) { $id = $r[0]; $tmp = DB_query_array("SELECT id FROM Hand_Card WHERE hand_id=".DB_quote_smart($id)); DB_query("DELETE FROM Play WHERE hand_card_id=".DB_quote_smart($tmp[0])); DB_query("DELETE FROM Hand_Card WHERE hand_id=".DB_quote_smart($id)); DB_query("DELETE FROM Hand WHERE id=".DB_quote_smart($id)); } /* delete game */ DB_query("DELETE FROM User_Game_Prefs WHERE game_id=".DB_quote_smart($gameid)); DB_query("DELETE FROM Trick WHERE game_id=".DB_quote_smart($gameid)); DB_query("DELETE FROM Game WHERE id=".DB_quote_smart($gameid)); return; } function DB_get_hand($me) { $cards = array(); $handid = DB_get_handid('hash',$me); $result = DB_query("SELECT card_id FROM Hand_Card WHERE hand_id=".DB_quote_smart($handid)." and played='false' "); while($r = DB_fetch_array($result)) $cards[]=$r[0]; return $cards; } function DB_get_all_hand($me) { $cards = array(); $handid = DB_get_handid('hash',$me); $result = DB_query("SELECT card_id FROM Hand_Card WHERE hand_id=".DB_quote_smart($handid)); while($r = DB_fetch_array($result)) $cards[]=$r[0]; return $cards; } function DB_get_cards_by_trick($id) { $cards = array(); $i = 1; $result = DB_query("SELECT card_id,position FROM Play LEFT JOIN Hand_Card ON Hand_Card.id=Play.hand_card_id ". "LEFT JOIN Hand ON Hand.id=Hand_Card.hand_id ". "WHERE trick_id=". DB_quote_smart($id)." ORDER BY sequence ASC"); while($r = DB_fetch_array($result)) { $cards[$i]=array("card"=>$r[0],"pos"=>$r[1]); $i++; } return $cards; } function DB_set_solo_by_hash($hash,$solo) { DB_query("UPDATE Hand SET solo=".DB_quote_smart($solo)." WHERE hash=".DB_quote_smart($hash)); return; } function DB_set_solo_by_gameid($id,$solo) { DB_query("UPDATE Game SET solo=".DB_quote_smart($solo)." WHERE id=".DB_quote_smart($id)); return; } function DB_set_sickness_by_hash($hash,$sickness) { DB_query("UPDATE Hand SET sickness=".DB_quote_smart($sickness)." WHERE hash=".DB_quote_smart($hash)); return; } function DB_get_current_trickid($gameid) { $trickid = NULL; $sequence = NULL; $number = 0; $result = DB_query("SELECT Trick.id,MAX(Play.sequence) FROM Play ". "LEFT JOIN Trick ON Play.trick_id=Trick.id ". "WHERE Trick.game_id=".DB_quote_smart($gameid)." ". "GROUP BY Trick.id"); while( $r = DB_fetch_array($result) ) { $trickid = $r[0]; $sequence = $r[1]; $number++; }; if(!$sequence || $sequence==4) { DB_query("INSERT INTO Trick VALUES (NULL,NULL,NULL, ".DB_quote_smart($gameid).",NULL)"); $trickid = DB_insert_id(); $sequence = 1; $number++; } else { $sequence++; } return array($trickid,$sequence,$number); } function DB_get_max_trickid($gameid) { $r = DB_query_array("SELECT MAX(id) FROM Trick WHERE game_id=".DB_quote_smart($gameid)); return ($r?$r[0]:NULL); } function DB_play_card($trickid,$handcardid,$sequence) { DB_query("INSERT INTO Play VALUES(NULL,NULL,NULL,".DB_quote_smart($trickid). ",".DB_quote_smart($handcardid).",".DB_quote_smart($sequence).")"); $playid = DB_insert_id(); return $playid; } function DB_get_all_names_by_gameid($id) { $names = array(); $result = DB_query("SELECT fullname FROM Hand LEFT JOIN User ON Hand.user_id=User.id WHERE game_id=". DB_quote_smart($id)." ORDER BY position ASC"); while($r = DB_fetch_array($result)) $names[] = $r[0]; return $names; } function DB_get_all_userid_by_gameid($id) { $names = array(); $result = DB_query("SELECT user_id FROM Hand WHERE game_id=". DB_quote_smart($id)." ORDER BY position "); while($r = DB_fetch_array($result)) $names[] = $r[0]; return $names; } function DB_get_hash_from_game_and_pos($id,$pos) { $r = DB_query_array("SELECT hash FROM Hand WHERE game_id=".DB_quote_smart($id)." and position=".DB_quote_smart($pos)); if($r) return $r[0]; else return ""; } function DB_get_hash_from_gameid_and_userid($id,$user) { $r = DB_query_array("SELECT hash FROM Hand WHERE game_id=".DB_quote_smart($id)." and user_id=".DB_quote_smart($user)); if($r) return $r[0]; else return ""; } function DB_get_all_names() { $names = array(); $result = DB_query("SELECT fullname FROM User"); while($r = DB_fetch_array($result)) $names[] = $r[0]; return $names; } function DB_get_all_user_names_open_for_games() { $names = array(); DB_query("DROP TEMPORARY TABLE IF EXISTS Usertmp;"); DB_query("CREATE TEMPORARY TABLE Usertmp SELECT id,fullname FROM User;"); DB_query("DELETE FROM Usertmp WHERE id IN (SELECT user_id FROM User_Prefs WHERE pref_key='open for games' and value='no')"); $result = DB_query("SELECT fullname FROM Usertmp"); DB_query("DROP TEMPORARY TABLE IF EXISTS Usertmp;"); while($r = DB_fetch_array($result)) $names[] = $r[0]; return $names; } function DB_get_names_of_last_logins($N) { $names = array(); $result = DB_query("SELECT fullname FROM User ORDER BY last_login DESC LIMIT $N"); while($r = DB_fetch_array($result)) $names[] = $r[0]; return $names; } function DB_get_names_of_new_logins($N) { $names = array(); $result = DB_query("SELECT fullname FROM User ORDER BY create_date DESC, id DESC LIMIT $N"); while($r = DB_fetch_array($result)) $names[] = $r[0]; return $names; } function DB_update_game_timestamp($gameid) { DB_query("UPDATE Game SET mod_date = CURRENT_TIMESTAMP WHERE id=".DB_quote_smart($gameid)); return; } function DB_update_user_timestamp($userid) { DB_query("UPDATE User SET last_login = CURRENT_TIMESTAMP WHERE id=".DB_quote_smart($userid)); return; } function DB_get_user_timestamp($userid) { $r = DB_query_array("SELECT last_login FROM User WHERE id=".DB_quote_smart($userid)); if($r) return $r[0]; else return NULL; } function DB_get_user_timezone($userid) { $r = DB_query_array("SELECT timezone FROM User WHERE id=".DB_quote_smart($userid)); if($r) return $r[0]; else return "Europe/London"; } function DB_insert_comment($comment,$playid,$userid) { DB_query("INSERT INTO Comment VALUES (NULL,NULL,NULL,$userid,$playid, ".DB_quote_smart($comment).")"); return; } function DB_insert_note($comment,$gameid,$userid) { DB_query("INSERT INTO Notes VALUES (NULL,NULL,NULL,$userid,$gameid, ".DB_quote_smart($comment).")"); return; } function DB_get_notes_by_userid_and_gameid($userid,$gameid) { $notes = array(); $result = DB_query("SELECT comment FROM Notes WHERE user_id=".DB_quote_smart($userid) . " AND game_id=".DB_quote_smart($gameid)); while($r = DB_fetch_array($result)) $notes[] = $r[0]; return $notes; } function DB_get_gametype_by_gameid($id) { $r = DB_query_array("SELECT type FROM Game WHERE id=".DB_quote_smart($id)); if($r) return $r[0].""; else return ""; } function DB_set_gametype_by_gameid($id,$p) { DB_query("UPDATE Game SET type='".$p."' WHERE id=".DB_quote_smart($id)); return; } function DB_get_solo_by_gameid($id) { $r = DB_query_array("SELECT solo FROM Game WHERE id=".DB_quote_smart($id)); if($r) return $r[0].""; else return ""; } function DB_get_startplayer_by_gameid($id) { $r = DB_query_array("SELECT startplayer FROM Game WHERE id=".DB_quote_smart($id)); if($r) return $r[0]; else return 0; } function DB_set_startplayer_by_gameid($id,$p) { DB_query("UPDATE Game SET startplayer='".$p."' WHERE id=".DB_quote_smart($id)); return; } function DB_get_player_by_gameid($id) { $r = DB_query_array("SELECT player FROM Game WHERE id=".DB_quote_smart($id)); if($r) return $r[0]; else return 0; } function DB_set_player_by_gameid($id,$p) { DB_query("UPDATE Game SET player='".DB_quote_smart($p)."' WHERE id=".DB_quote_smart($id)); return; } function DB_get_ruleset_by_gameid($id) { $r = DB_query_array("SELECT ruleset FROM Game WHERE id=".DB_quote_smart($id)); if($r) return $r[0]; else return NULL; } function DB_get_session_by_gameid($id) { $r = DB_query_array("SELECT session FROM Game WHERE id=".DB_quote_smart($id)); if($r) return $r[0]; else return NULL; } function DB_get_max_session() { $r = DB_query_array("SELECT MAX(session) FROM Game"); if($r) return $r[0]; else return 0; } function DB_get_hashes_by_session($session,$user) { $r = array(); $result = DB_query("SELECT Hand.hash FROM Hand". " LEFT JOIN Game ON Game.id=Hand.game_id ". " WHERE Game.session=".DB_quote_smart($session). " AND Hand.user_id=".DB_quote_smart($user). " ORDER BY Game.create_date ASC"); while($t = DB_fetch_array($result)) $r[] = $t[0]; return $r; } function DB_get_ruleset($dullen,$schweinchen,$call) { $r = array(); $result = DB_query("SELECT id FROM Rulesets WHERE". " dullen=".DB_quote_smart($dullen)." AND ". " Rulesets.call=".DB_quote_smart($call)." AND ". " schweinchen=".DB_quote_smart($schweinchen)); if($result) $r = DB_fetch_array($result); if($r) return $r[0]; /* found ruleset */ else { /* create new one */ $result = DB_query("INSERT INTO Rulesets VALUES (NULL, NULL, ". DB_quote_smart($dullen).",". DB_quote_smart($schweinchen).",". DB_quote_smart($call). ", NULL)"); if($result) return DB_insert_id(); }; return -1; /* something went wrong */ } function DB_get_party_by_hash($hash) { $r = DB_query_array("SELECT party FROM Hand WHERE hash=".DB_quote_smart($hash)); if($r) return $r[0]; else return NULL; } function DB_get_party_by_gameid_and_userid($gameid,$userid) { $r = DB_query_array("SELECT party FROM Hand". " WHERE game_id=".DB_quote_smart($gameid). " AND user_id=".DB_quote_smart($userid)); if($r) return $r[0]; else return NULL; } function DB_set_party_by_hash($hash,$party) { DB_query("UPDATE Hand SET party=".DB_quote_smart($party)." WHERE hash=".DB_quote_smart($hash)); return; } function DB_get_PREF($myid) { /* set defaults */ $PREF['cardset'] = 'english'; $PREF['email'] = 'emailnonaddict'; $PREF['autosetup'] = 'no'; $PREF['sorting'] = 'high-low'; $PREF['open_for_games'] = 'yes'; $PREF['vacation_start'] = NULL; $PREF['vacation_stop'] = NULL; $PREF['vacation_comment'] = ''; /* get all preferences */ $r = DB_query('SELECT pref_key, value FROM User_Prefs'. " WHERE user_id='$myid' " ); while($pref = DB_fetch_array($r) ) { switch($pref[0]) { case 'cardset': /* licence only valid until then */ if($pref[1]=="altenburg" && (time()-strtotime( "2009-12-31 23:59:59")<0) ) $PREF["cardset"]="altenburg"; break; case 'email': if($pref[1]=="emailaddict") $PREF["email"]="emailaddict"; break; case 'autosetup': if($pref[1]=='yes') $PREF['autosetup']='yes'; break; case 'sorting': if($pref[1]) $PREF['sorting'] = $pref[1]; break; case 'open for games': if($pref[1]) $PREF['open_for_games'] = $pref[1]; break; case 'vacation start': if($pref[1]) $PREF['vacation_start'] = $pref[1]; break; case 'vacation stop': if($pref[1]) $PREF['vacation_stop'] = $pref[1]; break; case 'vacation comment': if($pref[1]) $PREF['vacation_comment'] = $pref[1]; break; } } return $PREF; } function DB_get_RULES($gameid) { $r = DB_query_array("SELECT * FROM Rulesets". " LEFT JOIN Game ON Game.ruleset=Rulesets.id ". " WHERE Game.id='$gameid'" ); $RULES["dullen"] = $r[2]; $RULES["schweinchen"] = $r[3]; $RULES["call"] = $r[4]; return $RULES; } function DB_get_email_pref_by_hash($hash) { $r = DB_query_array("SELECT value FROM Hand". " LEFT JOIN User_Prefs ON Hand.user_id=User_Prefs.user_id". " WHERE hash='$hash' AND pref_key='email'" ); if($r) { if($r[0]=="emailaddict") return "emailaddict"; else return "emailnonaddict"; } else return "emailnonaddict"; } function DB_get_email_pref_by_uid($uid) { $r = DB_query_array("SELECT value FROM User_Prefs ". " WHERE user_id='$uid' AND pref_key='email'" ); if($r) { if($r[0]=="emailaddict") return "emailaddict"; else return "emailnonaddict"; } else return "emailnonaddict"; } function DB_get_unused_randomnumbers($userstr) { /* optimized version of this query using temporary tables (perhaps we should use a procedure here?). First we create a copy of the Game table using just the gameid and the cards. Then in a second round we delete all the gameids of games where our players are in. At the end we return only the first entry in the temporary table. */ DB_query("DROP TEMPORARY TABLE IF EXISTS gametmp;"); DB_query("CREATE TEMPORARY TABLE gametmp SELECT id,randomnumbers FROM Game;"); DB_query("DELETE FROM gametmp WHERE randomnumbers IN (SELECT randomnumbers FROM Hand LEFT JOIN Game ON Game.id=game_id WHERE user_id IN (".$userstr."));"); $r = DB_query_array("SELECT randomnumbers FROM gametmp LIMIT 1;"); DB_query("DROP TEMPORARY TABLE IF EXISTS gametmp;"); if($r) return $r[0]; else return ""; } function DB_get_number_of_passwords_recovery($user) { $r = DB_query_array("SELECT COUNT(*) FROM Recovery ". " WHERE user_id=$user ". " AND DATE_SUB(CURDATE(),INTERVAL 1 DAY) <= create_date". " GROUP BY user_id " ); if($r) return $r[0]; else return 0; } function DB_set_recovery_password($user,$newpw) { DB_query("INSERT INTO Recovery VALUES(NULL,".DB_quote_smart($user). ",".DB_quote_smart($newpw).",NULL)"); return; } function DB_get_card_name($card) { if($card==0) return 'backside'; $r = DB_query_array("SELECT strength,suite FROM Card WHERE id='$card'"); 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; $r = DB_query_array("SELECT id FROM Play WHERE trick_id='$trick' ORDER BY create_date DESC LIMIT 1"); if($r) return $r[0]; return ""; } function DB_get_call_by_hash($hash) { $r = DB_query_array("SELECT point_call FROM Hand WHERE hash='$hash'"); 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) { $r = DB_query_array("SELECT point_call FROM Hand WHERE hash='$partner'"); 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); $r = DB_query_array("SELECT hash FROM Hand WHERE game_id='$gameid' AND party='$party' AND hash<>'$hash'"); if($r) return $r[0]; return NULL; } function DB_format_gameid($gameid) { /* get session and create date */ $r = DB_query_array("SELECT session, create_date FROM Game WHERE id='$gameid' "); $session = $r[0]; $date = $r[1]; /* get number of game */ $r = DB_query_array("SELECT SUM(TIME_TO_SEC(TIMEDIFF(create_date, '$date'))<=0) ". " FROM Game". " WHERE session='$session' "); return $session.'.'.$r[0]; } function DB_get_reminder($user,$gameid) { $r = DB_query_array("SELECT COUNT(*) FROM Reminder ". " WHERE user_id=$user ". " AND game_id=$gameid ". " AND DATE_SUB(CURDATE(),INTERVAL 1 DAY) <= create_date". " GROUP BY user_id " ); if($r) return $r[0]; else return 0; } function DB_set_reminder($user,$gameid) { DB_query("INSERT INTO Reminder ". " VALUES(NULL, ".DB_quote_smart($user).", ".DB_quote_smart($gameid). ", NULL) "); return 0; } function DB_is_session_active($session) { $r = DB_query_array("SELECT COUNT(*) FROM Game ". " WHERE session=$session ". " AND status IN ('pre','play') "); 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) */ $queryresult = DB_query("SELECT COUNT(*),party FROM Score ". " WHERE game_id=$gameid ". " GROUP BY party "); $re = 0; $contra = 0; while($r = DB_fetch_array($queryresult) ) { if($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) { $ids = array (); if($session==0) /* return all games */ $queryresult = DB_query("SELECT id FROM Game ". " WHERE status='gameover' ". " ORDER BY create_date ASC"); else /* return games in a session */ $queryresult = DB_query("SELECT id FROM Game ". " WHERE session=$session ". " AND status='gameover' ". " ORDER BY create_date ASC"); $i=0; while($r = DB_fetch_array($queryresult) ) { $ids[$i] = $r[0]; $i++; } return $ids; } function DB_get_card_value_by_cardid($id) { $r = DB_query_array("SELECT points FROM Card ". " WHERE id=$id "); if($r) return $r[0]; else return NULL; } function DB_get_userid($type,$var1="",$var2="") { /* get the userid of a user * this can be done several ways, which are all handled below * if a email/password combination is given and it doesn't work, we also * need to check the recovery table for additional passwords */ $r = NULL; switch($type) { case 'name': $result = DB_query("SELECT id FROM User WHERE fullname=".DB_quote_smart($var1)); break; case 'hash': $result = DB_query("SELECT user_id FROM Hand WHERE hash=".DB_quote_smart($var1)); break; case 'password': $result = DB_query("SELECT id FROM User WHERE password=".DB_quote_smart($var1)); break; case 'email': $result = DB_query("SELECT id FROM User WHERE email=".DB_quote_smart($var1)); break; case 'email-password': $result = DB_query("SELECT id FROM User WHERE email=".DB_quote_smart($var1)." AND password=".DB_quote_smart($var2)); $r = DB_fetch_array($result); /* test if a recovery password has been set */ if(!$r) { echo "testing alternative password"; $result = DB_query("SELECT User.id FROM User". " LEFT JOIN Recovery ON User.id=Recovery.user_id". " WHERE email=".DB_quote_smart($var1). " AND Recovery.password=".DB_quote_smart($var2). " AND DATE_SUB(CURDATE(),INTERVAL 1 DAY) <= Recovery.create_date"); } break; case 'gameid-position': $result = DB_query("SELECT user_id FROM Hand WHERE game_id=". DB_quote_smart($var1)." AND position=". DB_quote_smart($var2)); break; } if(!$r) $r = DB_fetch_array($result); if($r) return $r[0]; else return 0; } function DB_get_email($type,$var1='',$var2='') { /* return the email of a user * this is used for sending out emails, but also for * testing the login for example */ switch($type) { case 'name': $result = DB_query("SELECT email FROM User WHERE fullname=".DB_quote_smart($var1).""); break; case 'userid': $result = DB_query("SELECT email FROM User WHERE id=".DB_quote_smart($var1).""); break; case 'hash': $result = DB_query("SELECT User.email FROM User ". "LEFT JOIN Hand ON Hand.user_id=User.id ". "WHERE Hand.hash=".DB_quote_smart($var1).""); break; case 'position-gameid': $result = DB_query("SELECT email FROM User ". "LEFT JOIN Hand ON User.id=Hand.user_id ". "LEFT JOIN Game ON Game.id=Hand.game_id ". "WHERE Game.id=".DB_quote_smart($var2)." ". "AND Hand.position=".DB_quote_smart($var1).""); break; } $r = DB_fetch_array($result); if($r) return $r[0]; else return ""; } function DB_get_name($type,$var1='') { /* get the full name of a user * a user can be uniquely identified several ways */ switch($type) { case 'hash': $r = DB_query_array("SELECT fullname FROM Hand LEFT JOIN User ON Hand.user_id=User.id WHERE hash=".DB_quote_smart($var1)); break; case 'email': $r = DB_query_array("SELECT fullname FROM User WHERE email=".DB_quote_smart($var1)); break; case 'userid': $r = DB_query_array("SELECT fullname FROM User WHERE id=".DB_quote_smart($var1)); } if($r) return $r[0]; else return ""; } function DB_add_exchanged_card($card,$old_hand_id,$new_hand_id) { DB_query("INSERT INTO Card_Exchange VALUES (NULL,$new_hand_id,$old_hand_id,$card)"); return; } function DB_get_exchanged_cards($hash) { $cards = array(); $handid = DB_get_handid('hash',$hash); $result = DB_query("SELECT card_id FROM Card_Exchange WHERE orig_hand_id=".DB_quote_smart($handid)); while($r = DB_fetch_array($result)) $cards[]=$r[0]; return $cards; } function DB_played_by_others($gameid) { $gameids = array(); $result = DB_query("SELECT id FROM Game WHERE randomnumbers=(SELECT randomnumbers FROM Game WHERE id=$gameid) AND status='gameover'"); while($r = DB_fetch_array($result)) if($r[0]!=$gameid) $gameids[]=$r[0]; return $gameids; } ?>