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<?php
/*
* open database
*/
function DB_open()
{
global $DB;
if ( $DB = mysql_connect('localhost','dokodb', 'doko') )
mysql_select_db('doko') or die('Could not select database');
else
die (mysql_error());
return;
}
function DB_close()
{
global $DB;
mysql_close($DB);
return;
}
function DB_quote_smart($value)
{
/* Stripslashes */
if (get_magic_quotes_gpc()) {
$value = stripslashes($value);
}
/* Quote if not a number or a numeric string */
if (!is_numeric($value)) {
$value = "'" . mysql_real_escape_string($value) . "'";
}
return $value;
}
function DB_test()
{
$result = mysql_query("SELECT * FROM User");
while($r = mysql_fetch_array($result,MYSQL_NUM))
{
foreach($r as $thing)
echo " $thing ";
echo "<br />\n";
}
return;
}
function DB_get_email_by_name($name)
{
$result = mysql_query("SELECT email FROM User WHERE fullname=".DB_quote_smart($name)."");
$r = mysql_fetch_array($result,MYSQL_NUM);
if($r)
return $r[0];
else
return "";
}
function DB_get_userid_by_name($name)
{
$result = mysql_query("SELECT id FROM User WHERE fullname=".DB_quote_smart($name));
$r = mysql_fetch_array($result,MYSQL_NUM);
if($r)
return $r[0];
else
return 0;
}
function DB_get_userid_by_passwd($passwd)
{
$result = mysql_query("SELECT id FROM User WHERE password=".DB_quote_smart($passwd));
$r = mysql_fetch_array($result,MYSQL_NUM);
if($r)
return $r[0];
else
return 0;
}
function DB_get_userid_by_email($email)
{
$result = mysql_query("SELECT id FROM User WHERE email=".DB_quote_smart($email));
$r = mysql_fetch_array($result,MYSQL_NUM);
if($r)
return $r[0];
else
return 0;
}
function DB_get_handid_by_hash($hash)
{
$result = mysql_query("SELECT id FROM Hand WHERE hash=".DB_quote_smart($hash));
$r = mysql_fetch_array($result,MYSQL_NUM);
if($r)
return $r[0];
else
return 0;
}
function DB_get_userid_by_hash($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 $r[0];
else
return 0;
}
function DB_get_pos_by_hash($hash)
{
$result = mysql_query("SELECT position FROM Hand WHERE hash=".DB_quote_smart($hash));
$r = mysql_fetch_array($result,MYSQL_NUM);
if($r)
return $r[0];
else
return 0;
}
function DB_get_name_by_hash($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 $r[0];
else
return "";
}
function DB_get_status_by_hash($hash)
{
$result = mysql_query("SELECT status FROM Hand WHERE hash=".DB_quote_smart($hash));
$r = mysql_fetch_array($result,MYSQL_NUM);
if($r)
return $r[0];
else
return 0;
}
function DB_set_game_status_by_gameid($id,$status)
{
mysql_query("UPDATE Game SET status='".$status."' WHERE id=".DB_quote_smart($id));
return;
}
function DB_get_game_status_by_gameid($id)
{
$result = mysql_query("SELECT status FROM Game WHERE id=".DB_quote_smart($id));
$r = mysql_fetch_array($result,MYSQL_NUM);
if($r)
return $r[0];
else
return NULL;
}
function DB_set_hand_status_by_hash($hash,$status)
{
mysql_query("UPDATE Hand SET status='".$status."' WHERE hash=".DB_quote_smart($hash));
return;
}
function DB_get_hand_status_by_userid($id)
{
$result = mysql_query("SELECT status FROM Hand WHERE user_id=".DB_quote_smart($id));
$r = mysql_fetch_array($result,MYSQL_NUM);
if($r)
return $r[0];
else
return 0;
}
function DB_get_gameid_by_hash($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 $r[0];
else
return 0;
}
function DB_cancel_game($hash)
{
$gameid = DB_get_gameid_by_hash($me);
if(!$gameid)
return;
/* get the IDs of all players */
$result = mysql_query("SELECT id FROM Hand WHERE game_id=".DB_quote_smart($gameid));
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($gameid));
return;
}
function DB_get_hand($me)
{
$cards = array();
$handid = DB_get_handid_by_hash($me);
$result = mysql_query("SELECT card_id FROM Hand_Card WHERE hand_id=".DB_quote_smart($handid)." and played='false' ");
while($r = mysql_fetch_array($result,MYSQL_NUM))
$cards[]=$r[0];
return $cards;
}
function DB_get_cards_by_trick($id)
{
$cards = array();
$cards[0]=0; /* need to return index 1-4 */
$result = mysql_query("SELECT card_id FROM Play LEFT JOIN Hand_Card ON Hand_Card.id=Play.hand_card_id ".
"LEFT JOIN Hand ON Hand.id=Hand_Card.hand_id ".
"WHERE trick_id=".
DB_quote_smart($id)." ORDER BY position ASC");
while($r = mysql_fetch_array($result,MYSQL_NUM))
$cards[]=$r[0];
return $cards;
}
function DB_set_solo_by_hash($me,$solo)
{
mysql_query("UPDATE Hand SET solo=".DB_quote_smart($solo)." WHERE hash=".DB_quote_smart($hash));
return;
}
function DB_set_sickness_by_hash($me,$sickness)
{
mysql_query("UPDATE Hand SET sickness=".DB_quote_smart($sickness)." WHERE hash=".DB_quote_smart($hash));
return;
}
function DB_get_current_trickid($gameid)
{
$result = mysql_query("SELECT Trick.id,MAX(Play.sequence) FROM Play ".
"LEFT JOIN Trick ON Play.trick_id=Trick.id ".
"WHERE Trick.game_id=".DB_quote_smart($gameid)." ".
"GROUP BY Trick.id");
while( $r = mysql_fetch_array($result,MYSQL_NUM) )
{
$trickid = $r[0];
$sequence = $r[1];
};
if(!$sequence || $sequence==4)
{
mysql_query("INSERT INTO Trick VALUES (NULL,NULL,NULL, ".DB_quote_smart($gameid).")");
$trickid = mysql_insert_id();
$sequence = 1;
}
else
{
$sequence++;
}
return array($trickid,$sequence);
}
function DB_get_max_trickid($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);
}
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).")");
return;
}
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))
$names[] = $r[0];
return $names;
}
function DB_get_all_userid_by_gameid($id)
{
$names = array();
$result = mysql_query("SELECT user_id FROM Hand WHERE game_id=".
DB_quote_smart($id));
while($r = mysql_fetch_array($result,MYSQL_NUM))
$names[] = $r[0];
return $names;
}
function DB_get_hash_from_game_and_pos($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
return "";
}
?>
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