XOOPS /
XoopsCore25
| Total Complexity | 62 |
| Total Lines | 400 |
| Duplicated Lines | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
Complex classes like SystemMaintenance often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use SystemMaintenance, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 26 | class SystemMaintenance |
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| 27 | { |
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| 28 | public $db; |
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| 29 | public $prefix; |
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| 30 | |||
| 31 | /** |
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| 32 | * Constructor |
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| 33 | */ |
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| 34 | public function __construct() |
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| 40 | } |
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| 41 | |||
| 42 | /** |
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| 43 | * Display Tables |
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| 44 | * |
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| 45 | * @param bool $array |
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| 46 | * |
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| 47 | * @internal param $array |
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| 48 | * @return array|string |
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| 49 | */ |
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| 50 | public function displayTables($array = true) |
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| 51 | { |
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| 52 | $tables = array(); |
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| 53 | $sql = 'SHOW TABLES'; |
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| 54 | $result = $this->db->queryF($sql); |
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| 55 | if (!$this->db->isResultSet($result)) { |
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| 56 | \trigger_error("Query Failed! SQL: $sql- Error: " . $this->db->error(), E_USER_ERROR); |
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| 57 | } |
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| 58 | while (false !== ($myrow = $this->db->fetchArray($result))) { |
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|
Bug
introduced
by
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| 59 | $value = array_values($myrow); |
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| 60 | $value = substr($value[0], strlen(XOOPS_DB_PREFIX) + 1); |
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| 61 | $tables[$value] = $value; |
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| 62 | } |
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| 63 | if (true === (bool) $array) { |
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| 64 | return $tables; |
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| 65 | } else { |
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| 66 | return implode(',', $tables); |
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| 67 | } |
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| 68 | } |
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| 69 | |||
| 70 | /** |
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| 71 | * Clear sessions |
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| 72 | * |
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| 73 | * @return bool |
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| 74 | */ |
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| 75 | public function CleanSession() |
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| 76 | { |
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| 77 | $result = $this->db->queryF('TRUNCATE TABLE ' . $this->db->prefix('session')); |
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| 78 | |||
| 79 | return true; |
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| 80 | } |
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| 81 | |||
| 82 | /** |
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| 83 | * CleanAvatar |
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| 84 | * |
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| 85 | * Clean up orphaned custom avatars left when a user is deleted. |
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| 86 | * |
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| 87 | * @author slider84 of Team FrXoops |
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| 88 | * |
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| 89 | * @return boolean |
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| 90 | */ |
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| 91 | public function CleanAvatar() |
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| 92 | { |
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| 93 | $sql = 'SELECT avatar_id, avatar_file FROM ' . $this->db->prefix('avatar') . " WHERE avatar_type='C' AND avatar_id IN (" . 'SELECT t1.avatar_id FROM ' . $this->db->prefix('avatar_user_link') . ' AS t1 ' . 'LEFT JOIN ' . $this->db->prefix('users') . ' AS t2 ON t2.uid=t1.user_id ' . 'WHERE t2.uid IS NULL)'; |
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| 94 | $result = $this->db->queryF($sql); |
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| 95 | if (!$this->db->isResultSet($result)) { |
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| 96 | \trigger_error("Query Failed! SQL: $sql- Error: " . $this->db->error(), E_USER_ERROR); |
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| 97 | } |
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| 98 | |||
| 99 | while (false !== ($myrow = $this->db->fetchArray($result))) { |
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| 100 | //delete file |
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| 101 | @unlink(XOOPS_UPLOAD_PATH . '/' . $myrow['avatar_file']); |
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| 102 | //clean avatar table |
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| 103 | $result1 = $this->db->queryF('DELETE FROM ' . $this->db->prefix('avatar') . ' WHERE avatar_id=' . $myrow['avatar_id']); |
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| 104 | } |
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| 105 | //clean any deleted users from avatar_user_link table |
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| 106 | $result2 = $this->db->queryF('DELETE FROM ' . $this->db->prefix('avatar_user_link') . ' WHERE user_id NOT IN (SELECT uid FROM ' . $this->db->prefix('users') . ')'); |
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| 107 | |||
| 108 | return true; |
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| 109 | } |
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| 110 | |||
| 111 | /** |
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| 112 | * Delete all files in a directory |
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| 113 | * |
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| 114 | * @param string $dir directory to clear |
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| 115 | * |
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| 116 | * @return void |
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| 117 | */ |
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| 118 | protected function clearDirectory($dir) |
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| 119 | { |
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| 120 | if (is_dir($dir)) { |
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| 121 | if ($dirHandle = opendir($dir)) { |
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| 122 | while (($file = readdir($dirHandle)) !== false) { |
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| 123 | if (filetype($dir . $file) === 'file') { |
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| 124 | unlink($dir . $file); |
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| 125 | } |
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| 126 | } |
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| 127 | closedir($dirHandle); |
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| 128 | } |
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| 129 | file_put_contents($dir . 'index.php', '<?php' . PHP_EOL . 'header("HTTP/1.0 404 Not Found");' . PHP_EOL); |
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| 130 | } |
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| 131 | } |
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| 132 | |||
| 133 | /** |
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| 134 | * Clean cache 'xoops_data/caches/smarty_cache' |
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| 135 | * |
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| 136 | * @param array $cacheList int[] of cache "ids" |
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| 137 | * 1 = smarty cache |
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| 138 | * 2 = smarty compile |
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| 139 | * 3 = xoops cache |
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| 140 | * @return bool |
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| 141 | */ |
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| 142 | public function CleanCache($cacheList) |
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| 143 | { |
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| 144 | foreach ($cacheList as $cache) { |
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| 145 | switch ($cache) { |
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| 146 | case 1: |
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| 147 | $this->clearDirectory(XOOPS_VAR_PATH . '/caches/smarty_cache/'); |
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| 148 | break; |
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| 149 | case 2: |
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| 150 | $this->clearDirectory(XOOPS_VAR_PATH . '/caches/smarty_compile/'); |
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| 151 | break; |
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| 152 | case 3: |
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| 153 | $this->clearDirectory(XOOPS_VAR_PATH . '/caches/xoops_cache/'); |
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| 154 | break; |
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| 155 | default: |
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| 156 | return false; |
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| 157 | } |
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| 158 | } |
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| 159 | |||
| 160 | return true; |
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| 161 | } |
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| 162 | |||
| 163 | /** |
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| 164 | * Maintenance database |
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| 165 | * |
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| 166 | * @param array tables 'list of tables' |
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| 167 | * @param array maintenance 'optimize, check, repair, analyze' |
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| 168 | * @return array |
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| 169 | */ |
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| 170 | public function CheckRepairAnalyzeOptimizeQueries($tables, $maintenance) |
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| 171 | { |
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| 172 | $ret = '<table class="outer"><th>' . _AM_SYSTEM_MAINTENANCE_TABLES1 . '</th><th>' . _AM_SYSTEM_MAINTENANCE_TABLES_OPTIMIZE . '</th><th>' . _AM_SYSTEM_MAINTENANCE_TABLES_CHECK . '</th><th>' . _AM_SYSTEM_MAINTENANCE_TABLES_REPAIR . '</th><th>' . _AM_SYSTEM_MAINTENANCE_TABLES_ANALYZE . '</th>'; |
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| 173 | $tab = array(); |
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| 174 | for ($i = 0; $i < 4; ++$i) { |
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| 175 | $tab[$i] = $i + 1; |
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| 176 | } |
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| 177 | $tab1 = array(); |
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| 178 | for ($i = 0; $i < 4; ++$i) { |
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| 179 | if (in_array($tab[$i], $maintenance)) { |
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| 180 | $tab1[$i] = $tab[$i]; |
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| 181 | } else { |
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| 182 | $tab1[$i] = '0'; |
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| 183 | } |
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| 184 | } |
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| 185 | unset($tab); |
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| 186 | $class = 'odd'; |
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| 187 | $tablesCount = count($tables); |
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| 188 | for ($i = 0; $i < $tablesCount; ++$i) { |
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| 189 | $ret .= '<tr class="' . $class . '"><td align="center">' . $this->prefix . $tables[$i] . '</td>'; |
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| 190 | for ($j = 0; $j < 4; ++$j) { |
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| 191 | if ($tab1[$j] == 1) { |
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| 192 | // Optimize |
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| 193 | $result = $this->db->queryF('OPTIMIZE TABLE ' . $this->prefix . $tables[$i]); |
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| 194 | if ($result) { |
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| 195 | $ret .= '<td class="xo-actions txtcenter"><img src="' . system_AdminIcons('success.png') . '" /></td>'; |
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| 196 | } else { |
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| 197 | $ret .= '<td class="xo-actions txtcenter"><img src="' . system_AdminIcons('cancel.png') . '" /></td>'; |
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| 198 | } |
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| 199 | } elseif ($tab1[$j] == 2) { |
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| 200 | // Check tables |
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| 201 | $result = $this->db->queryF('CHECK TABLE ' . $this->prefix . $tables[$i]); |
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| 202 | if ($result) { |
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| 203 | $ret .= '<td class="xo-actions txtcenter"><img src="' . system_AdminIcons('success.png') . '" /></td>'; |
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| 204 | } else { |
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| 205 | $ret .= '<td class="xo-actions txtcenter"><img src="' . system_AdminIcons('cancel.png') . '" /></td>'; |
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| 206 | } |
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| 207 | } elseif ($tab1[$j] == 3) { |
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| 208 | // Repair |
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| 209 | $result = $this->db->queryF('REPAIR TABLE ' . $this->prefix . $tables[$i]); |
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| 210 | if ($result) { |
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| 211 | $ret .= '<td class="xo-actions txtcenter"><img src="' . system_AdminIcons('success.png') . '" /></td>'; |
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| 212 | } else { |
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| 213 | $ret .= '<td class="xo-actions txtcenter"><img src="' . system_AdminIcons('cancel.png') . '" /></td>'; |
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| 214 | } |
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| 215 | } elseif ($tab1[$j] == 4) { |
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| 216 | // Analyze |
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| 217 | $result = $this->db->queryF('ANALYZE TABLE ' . $this->prefix . $tables[$i]); |
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| 218 | if ($result) { |
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| 219 | $ret .= '<td class="xo-actions txtcenter"><img src="' . system_AdminIcons('success.png') . '" /></td>'; |
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| 220 | } else { |
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| 221 | $ret .= '<td class="xo-actions txtcenter"><img src="' . system_AdminIcons('cancel.png') . '" /></td>'; |
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| 222 | } |
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| 223 | } else { |
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| 224 | $ret .= '<td> </td>'; |
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| 225 | } |
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| 226 | } |
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| 227 | $ret .= '</tr>'; |
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| 228 | $class = ($class === 'even') ? 'odd' : 'even'; |
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| 229 | } |
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| 230 | $ret .= '</table>'; |
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| 231 | |||
| 232 | return $ret; |
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| 233 | } |
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| 234 | |||
| 235 | /** |
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| 236 | * Dump by tables |
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| 237 | * |
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| 238 | * @param array tables 'list of tables' |
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| 239 | * @param int drop |
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| 240 | * @return array 'ret[0] = dump, ret[1] = display result |
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| 241 | */ |
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| 242 | public function dump_tables($tables, $drop) |
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| 262 | } |
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| 263 | |||
| 264 | /** |
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| 265 | * Dump by modules |
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| 266 | * |
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| 267 | * @param array modules 'list of modules' |
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| 268 | * @param int drop |
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| 269 | * @return array 'ret[0] = dump, ret[1] = display result |
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| 270 | */ |
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| 271 | public function dump_modules($modules, $drop) |
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| 303 | } |
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| 304 | |||
| 305 | /** |
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| 306 | * Dump table structure |
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| 307 | * |
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| 308 | * @param array |
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| 309 | * @param string table |
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| 310 | * @param int drop |
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| 311 | * @param string class |
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| 312 | * @return array 'ret[0] = dump, ret[1] = display result |
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| 313 | */ |
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| 314 | public function dump_table_structure($ret, $table, $drop, $class) |
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| 315 | { |
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| 316 | $verif = false; |
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| 317 | $sql = 'SHOW create table `' . $table . '`;'; |
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| 318 | $result = $this->db->queryF($sql); |
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| 319 | if ($this->db->isResultSet($result)) { |
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| 320 | if ($row = $this->db->fetchArray($result)) { |
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| 321 | $ret[0] .= '# Table structure for table `' . $table . "` \n\n"; |
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| 322 | if ($drop == 1) { |
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| 323 | $ret[0] .= 'DROP TABLE IF EXISTS `' . $table . "`;\n\n"; |
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| 324 | } |
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| 325 | $verif = true; |
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| 326 | $ret[0] .= $row['Create Table'] . ";\n\n"; |
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| 327 | } |
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| 328 | } |
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| 329 | |||
| 330 | $ret[1] .= '<tr class="' . $class . '"><td align="center">' . $table . '</td><td class="xo-actions txtcenter">'; |
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| 331 | $ret[1] .= ($verif === true) ? '<img src="' . system_AdminIcons('success.png') . '" />' : '<img src="' . system_AdminIcons('cancel.png') . '" />'; |
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| 332 | $ret[1] .= '</td>'; |
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| 333 | if ($this->db->isResultSet($result)) { |
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| 334 | $this->db->freeRecordSet($result); |
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| 335 | } |
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| 336 | |||
| 337 | return $ret; |
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| 338 | } |
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| 339 | |||
| 340 | /** |
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| 341 | * Dump table data |
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| 342 | * |
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| 343 | * @param array |
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| 344 | * @param string table |
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| 345 | * @return array 'ret[0] = dump, ret[1] = display result |
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| 346 | */ |
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| 347 | public function dump_table_datas($ret, $table) |
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| 407 | } |
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| 408 | |||
| 409 | /** |
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| 410 | * Dump Write |
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| 411 | * |
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| 412 | * @param array |
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| 413 | * @return array 'ret[0] = dump, ret[1] = display result |
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| 414 | */ |
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| 415 | public function dump_write($ret) |
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| 426 | } |
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| 427 | } |
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| 428 |
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