BUGFIX: mysql needs to return NULL when nothing was found
[e-DoKo.git] / include / newgame.php
index 5764568cefb7785295834645bf33b57da16189f3..bce755e66ee5ab47fc5c19513b52ae845f6c7003 100644 (file)
 <?php
-/* make sure that we are not called from outside the scripts, 
+/* Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Arun Persaud <arun@nubati.net>
+ *
+ *   This file is part of e-DoKo.
+ *
+ *   e-DoKo is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   e-DoKo is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with e-DoKo.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/* make sure that we are not called from outside the scripts,
  * use a variable defined in config.php to check this
  */
 if(!isset($HOST))
   exit;
 
-output_status();
 /* user needs to be logged in to do this */
-if( isset($_SESSION["name"]) )
+if(! isset($_SESSION["name"]) )
+  {
+    echo '<div class="message">'._('Please')." <a href=\"$INDEX\">"._('log in')."</a>.</div>\n";
+  }
+else
   {
-    $names = DB_get_all_names();
-    echo "<div class=\"user\">\n";
-    output_form_for_new_game($names);
-    echo "</div>\n";
-    display_user_menu();
+    $name  = $_SESSION["name"];
+    $email = DB_get_email('name',$name);
+
+    $myid = DB_get_userid('email',$email);
+    if(!$myid)
+      return;
+
+    DB_update_user_timestamp($myid);
+
+    if( !myisset("PlayerA", "PlayerB","PlayerC","PlayerD","dullen","schweinchen","callrule","lowtrump" ))
+      {
+        display_user_menu($myid);
+       /* only get players that want to be in new games */
+       $names = DB_get_all_user_names_open_for_games();
+
+       /* add player if he is not open for games */
+       if(!in_array($_SESSION["name"],$names))
+         $names[]=$_SESSION["name"];
+
+       /* add some randomness */
+       shuffle($names);
+
+       echo "<div class=\"user\">\n";
+       output_form_for_new_game($names);
+       echo "</div>\n";
+
+      }
+    else
+      {
+       /* get my name */
+       $name = $_SESSION["name"];
+
+       /* the names of the four players */
+       $PlayerA = $_REQUEST["PlayerA"];
+       $PlayerB = $_REQUEST["PlayerB"];
+       $PlayerC = $_REQUEST["PlayerC"];
+       $PlayerD = $_REQUEST["PlayerD"];
+
+       /* the person who sets up the game has to be one of the players */
+       if(!in_array($name,array($PlayerA,$PlayerB,$PlayerC,$PlayerD)))
+         {
+           echo '<div class="message">'."You need to be one of the players to start a <a href=\"$INDEX?action=new\">new game</a>.</div>\n";
+           return;
+         }
+
+       /* what rules were selected */
+       $dullen      = $_REQUEST["dullen"];
+       $schweinchen = $_REQUEST["schweinchen"];
+       $call        = $_REQUEST["callrule"];
+       $lowtrump    = $_REQUEST["lowtrump"];
+
+       /* get the emails addresses of the players */
+       $EmailA  = DB_get_email('name',$PlayerA);
+       $EmailB  = DB_get_email('name',$PlayerB);
+       $EmailC  = DB_get_email('name',$PlayerC);
+       $EmailD  = DB_get_email('name',$PlayerD);
+
+       /* this is used to check if the player names are all ok */
+       if($EmailA=="" || $EmailB=="" || $EmailC=="" || $EmailD=="")
+         {
+           echo _("couldn't find one of the names, please start a new game");
+           return;
+         }
+
+       /* get user ids */
+       $useridA  = DB_get_userid('name',$PlayerA);
+       $useridB  = DB_get_userid('name',$PlayerB);
+       $useridC  = DB_get_userid('name',$PlayerC);
+       $useridD  = DB_get_userid('name',$PlayerD);
+
+       /* create random numbers */
+       $randomNR       = create_array_of_random_numbers($useridA,$useridB,$useridC,$useridD);
+       $randomNRstring = join(":",$randomNR);
+
+       /* create game */
+       $followup = NULL;
+       /* is this game a follow up in an already started session? */
+       if(myisset("followup") )
+         {
+           $followup= $_REQUEST["followup"];
+           $session = DB_get_session_by_gameid($followup);
+           $ruleset = DB_get_ruleset_by_gameid($followup); /* just copy ruleset from old game,
+                                                            this way no manipulation is possible */
+
+           /* check if there is a game in pre or play mode, in that case do nothing */
+           if( DB_is_session_active($session) > 0 )
+             {
+               echo "<p class=\"message\"> There is already a game going on in session $session, you can't start a new one</p>";
+               return;
+             }
+           else if ( DB_is_session_active($session) < 0 )
+             {
+               echo "<p class=\"message\"> ERROR: status of session $session couldn't be determined.</p>";
+               return;
+             }
+
+           if($session)
+             DB_query("INSERT INTO Game VALUES (NULL, NULL, '$randomNRstring', 'normal', NULL,NULL,'1',NULL,'pre',".
+                      "'$ruleset','$session' ,NULL)");
+           else
+             {
+               /* get max session and start a new one */
+               $max = DB_get_max_session();
+               $max++;
+               DB_query("UPDATE Game SET session='".$max."' WHERE id=".DB_quote_smart($followup));
+               DB_query("INSERT INTO Game VALUES (NULL, NULL, '$randomNRstring', 'normal', NULL,NULL,'1',NULL,'pre',".
+                           "'$ruleset','$max' ,NULL)");
+             }
+         }
+       else /* no follow up, start a new session */
+         {
+           /* get ruleset information or create new one */
+           $ruleset = DB_get_ruleset($dullen,$schweinchen,$call,$lowtrump);
+           if($ruleset <0)
+             {
+               myerror("Error defining ruleset: $ruleset");
+               return;
+             };
+           /* get max session */
+           $max = DB_get_max_session();
+           $max++;
+
+           DB_query("INSERT INTO Game VALUES (NULL, NULL, '$randomNRstring', 'normal', NULL,NULL,'1',NULL,'pre', ".
+                    "'$ruleset','$max' ,NULL)");
+         }
+       $gameid = DB_insert_id();
+
+       /* create hash */
+       $TIME  = (string) time(); /* to avoid collisions */
+       $hashA = md5("AGameOfDoko".$gameid.$PlayerA.$EmailA.$TIME);
+       $hashB = md5("AGameOfDoko".$gameid.$PlayerB.$EmailB.$TIME);
+       $hashC = md5("AGameOfDoko".$gameid.$PlayerC.$EmailC.$TIME);
+       $hashD = md5("AGameOfDoko".$gameid.$PlayerD.$EmailD.$TIME);
+
+       /* create hands */
+       DB_query("INSERT INTO Hand VALUES (NULL,".DB_quote_smart($gameid).",".DB_quote_smart($useridA).
+                ", ".DB_quote_smart($hashA).", 'start','1',NULL,NULL,NULL,NULL)");
+       $hand_idA = DB_insert_id();
+       DB_query("INSERT INTO Hand VALUES (NULL,".DB_quote_smart($gameid).",".DB_quote_smart($useridB).
+                ", ".DB_quote_smart($hashB).", 'start','2',NULL,NULL,NULL,NULL)");
+       $hand_idB = DB_insert_id();
+       DB_query("INSERT INTO Hand VALUES (NULL,".DB_quote_smart($gameid).",".DB_quote_smart($useridC).
+                ", ".DB_quote_smart($hashC).", 'start','3',NULL,NULL,NULL,NULL)");
+       $hand_idC = DB_insert_id();
+       DB_query("INSERT INTO Hand VALUES (NULL,".DB_quote_smart($gameid).",".DB_quote_smart($useridD).
+                ", ".DB_quote_smart($hashD).", 'start','4',NULL,NULL,NULL,NULL)");
+       $hand_idD = DB_insert_id();
+
+       /* save cards */
+       for($i=0;$i<12;$i++)
+         DB_query("INSERT INTO Hand_Card VALUES (NULL, '$hand_idA', '".$randomNR[$i]."', 'false')");
+       for($i=12;$i<24;$i++)
+         DB_query("INSERT INTO Hand_Card VALUES (NULL, '$hand_idB', '".$randomNR[$i]."', 'false')");
+       for($i=24;$i<36;$i++)
+         DB_query("INSERT INTO Hand_Card VALUES (NULL, '$hand_idC', '".$randomNR[$i]."', 'false')");
+       for($i=36;$i<48;$i++)
+         DB_query("INSERT INTO Hand_Card VALUES (NULL, '$hand_idD', '".$randomNR[$i]."', 'false')");
+
+       /* send out email, TODO: check for error with email */
+
+       $users =  array( $useridA => $hashA, $useridB => $hashB, $useridC => $hashC, $useridD => $hashD );
+       foreach ( $users as $uid => $hash )
+         {
+            set_language($uid,'uid');
+            $message = _('You are invited to play a game of DoKo.')."\n".
+              _('Please, place comments and bug reports here:')."\n$WIKI\n\n".
+              _('The whole round would consist of the following players:')."\n".
+              "$PlayerA\n".
+              "$PlayerB\n".
+              "$PlayerC\n".
+              "$PlayerD\n\n".
+              _('If you want to join this game, please follow this link:')."\n".
+              "".$HOST.$INDEX."?action=game&me=";
+
+            mymail($uid, $gameid, GAME_NEW, $message.$hash."\n\n");
+         };
+        set_language($myid,'uid');
+
+       echo '<div class="message">'._('You started a new game. The emails have been sent out!')."</div>\n";
+        display_user_menu($myid);
+      }
   }
- else
-   {
-     echo "<div class=\"message\">Please <a href=\"$INDEX\">log in</a>.</div>";
-   }
-?>
\ No newline at end of file
+
+?>