new database backend... kind of working

1 files changed, 264 insertions, 0 deletions

diff --git a/db.php b/db.php
new file mode 100644
index 0000000..bd37532
--- /dev/null
+++ b/db.php
@@ -0,0 +1,264 @@
+<?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)
+{
+  echo "*looking for $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 $r[0];
+  else
+    return 0;
+}
+
+function DB_set_hand_status_by_hash($hash,$status)
+{
+  mysql_query("UPDATE hand SET status='".$status."' WHERE hash=".DB_quote_smart($hash));
+  return;
+}
+
+function DB_get_gameid_by_hash($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 $cards;
+}
+
+function DB_set_solo_by_hash($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;
+}
+
+?>
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