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<?php |
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// ------------------------------------------------------------------------- // |
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// This program is free software; you can redistribute it and/or modify // |
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// it under the terms of the GNU General Public License as published by // |
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// the Free Software Foundation; either version 2 of the License, or // |
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// (at your option) any later version. // |
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// // |
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// You may not change or alter any portion of this comment or credits // |
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// of supporting developers from this source code or any supporting // |
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// source code which is considered copyrighted (c) material of the // |
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// original comment or credit authors. // |
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// // |
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// This program is distributed in the hope that it will be useful, // |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of // |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // |
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// GNU General Public License for more details. // |
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// // |
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// You should have received a copy of the GNU General Public License // |
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// along with this program; if not, write to the Free Software // |
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // |
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// ------------------------------------------------------------------------ // |
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/** |
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* General functions. |
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* |
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* @param mixed $text |
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* @param mixed $allowed_characters |
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* @package chess |
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* @subpackage functions |
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*/ |
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/** |
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* Remove unsafe characters from text. |
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* |
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* @param string $text Text to be sanitized |
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* @param string $allowed_characters Characters permitted in text; |
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* must not contain any regex symbols such as \w or \s, since preg_quote() mishandles those. But \' and \" are ok. |
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* @return string Sanitized text |
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*/ |
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function chess_sanitize($text, $allowed_characters = 'A-Za-z0-9') |
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{ |
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$char_class = preg_replace('/(\.\\\+\*\?\[\^\]\$\(\)\{\}\=\!\<\>\|\:\#)/', '\\${1}', $allowed_characters); |
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//$char_class = preg_quote($allowed_characters, '/'); |
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return preg_replace("/[^$char_class]/i", '_', $text); |
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} |
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/** |
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* Get chess module configuration option value. |
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* |
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* @param string $option Name of configuration option |
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* @return string Value of configuration option |
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*/ |
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function chess_moduleConfig($option) |
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{ |
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global $xoopsModule, $xoopsModuleConfig; |
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$value = null; |
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if (is_object($xoopsModule) && 'chess' == $xoopsModule->getVar('dirname') && isset($xoopsModuleConfig[$option])) { |
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$value = $xoopsModuleConfig[$option]; |
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} else { // for use within a block |
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$moduleHandler = xoops_getHandler('module'); |
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$module = $moduleHandler->getByDirname('chess'); |
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$configHandler = xoops_getHandler('config'); |
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$moduleConfig = $configHandler->getConfigsByCat(0, $module->getVar('mid')); |
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if (isset($moduleConfig[$option])) { |
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$value = $moduleConfig[$option]; |
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} else { |
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trigger_error("configuration option '$option' not found", E_USER_ERROR); |
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} |
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} |
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return $value; |
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} |
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/** |
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* Check whether a user has the play-chess right. |
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* |
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* @param int $uid User ID to check, defaults to current user |
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* @return bool True if user has play-chess right, otherwise false |
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*/ |
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function chess_can_play($uid = null) |
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{ |
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global $xoopsUser; |
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if (isset($uid)) { |
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$memberHandler = xoops_getHandler('member'); |
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$user = $memberHandler->getUser($uid); |
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} elseif (is_object($xoopsUser)) { |
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$user = $xoopsUser; |
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} else { |
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$user = null; |
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} |
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$groups_play = chess_moduleConfig('groups_play'); |
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$can_play = false; |
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if (in_array(XOOPS_GROUP_ANONYMOUS, $groups_play)) { |
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$can_play = true; |
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} elseif (is_object($user)) { |
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$can_play = count(array_intersect($user->getGroups(), $groups_play)) > 0; |
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} |
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return $can_play; |
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} |
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/** |
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* Check whether a user has the delete-game right. |
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* |
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* @param int $uid User ID to check, defaults to current user |
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* @return bool True if user has delete-game right, otherwise false |
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*/ |
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function chess_can_delete($uid = null) |
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{ |
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global $xoopsUser; |
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if (isset($uid)) { |
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$memberHandler = xoops_getHandler('member'); |
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$user = $memberHandler->getUser($uid); |
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} elseif (is_object($xoopsUser)) { |
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$user = $xoopsUser; |
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} else { |
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$user = null; |
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} |
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$groups_delete = chess_moduleConfig('groups_delete'); |
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$can_delete = false; |
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if (in_array(XOOPS_GROUP_ANONYMOUS, $groups_delete)) { |
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$can_delete = true; |
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} elseif (is_object($user)) { |
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$can_delete = count(array_intersect($user->getGroups(), $groups_delete)) > 0; |
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} |
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return $can_delete; |
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} |
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/** |
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* Build string suitable for output as .pgn (Portable Game Notation) file. |
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* |
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* @param array $data Array with keys: |
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* |
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* - 'datetime' - 'YYYY-MM-DD HH:MM:SS' |
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* Use '?' for each unknown digit. If the entire datetime is unknown, use either '????-??-?? ??:??:??' or '0000-00-00 00:00:00'. |
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* - 'event', 'site', 'round', 'white', 'black', 'result', 'setup', 'fen', 'movetext' - strings (use '?' for entire string if value unknown) |
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* @return string |
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*/ |
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function chess_to_pgn_string($data) |
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{ |
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#var_dump('chess_to_pgn_string, data=', $data);#*#DEBUG# |
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if ('0000-00-00 00:00:00' == $data['datetime']) { |
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$datetime = '????.??.?? ??:??:??'; |
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} else { |
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$datetime = str_replace('-', '.', $data['datetime']); |
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} |
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[$date, $time] = explode(' ', $datetime); |
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$movetext = wordwrap($data['movetext'], 75); |
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$rtn = <<<END |
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[Event "{$data['event']}"] |
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[Site "{$data['site']}"] |
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[Date "$date"] |
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[Time "$time"] |
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[Round "{$data['round']}"] |
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[White "{$data['white']}"] |
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[Black "{$data['black']}"] |
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[Result "{$data['result']}"] |
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END; |
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if ($data['setup'] && $data['fen']) { |
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$rtn .= "[Setup \"1\"]\n[FEN \"{$data['fen']}\"]\n"; |
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} |
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$rtn .= "\n$movetext\n"; |
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return $rtn; |
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} |
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/** |
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* Get user ID corresponding to the specified username. |
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* |
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* @param string $uname Username (unsanitized) |
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* @return int User ID, or '0' if user not found |
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*/ |
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function chess_uname_to_uid($uname) |
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{ |
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$criteria = new \CriteriaCompo(); |
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$criteria->add(new \Criteria('uname', MyTextSanitizer::addSlashes($uname))); |
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$criteria->setLimit(1); |
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$memberHandler = xoops_getHandler('member'); |
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$users = $memberHandler->getUserList($criteria); |
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$uids = array_keys($users); |
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return $uids[0] ?? 0; |
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} |
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/*** #*#DEBUG# testing something |
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* SELECT |
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* g.game_id,g.white_uid AS white_uid, g.black_uid AS black_uid, g.pgn_result AS pgn_result, w.rating AS white_rating, b.rating AS black_rating, |
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* (w.games_won+w.games_lost+w.games_drawn) AS white_games, (b.games_won+b.games_lost+b.games_drawn) AS black_games |
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* FROM xoops_chess_games AS g |
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* LEFT JOIN xoops_chess_ratings AS w ON w.player_uid = g.white_uid |
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* LEFT JOIN xoops_chess_ratings AS b ON b.player_uid = g.black_uid |
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* WHERE g.pgn_result != '*' AND g.is_rated='1' AND (w.player_uid IS NULL OR b.player_uid IS NULL OR w.player_uid != b.player_uid) LIMIT 0, 30 |
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***/ |
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mambax7 /
chess
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