mods/photos/module_uninstall.php

   1 <?php\r
   2 /***********************************************************************/\r
   3 /* ATutor                                                                                                                          */\r
   4 /***********************************************************************/\r
   5 /* Copyright (c) 2002-2009                                                                                         */\r
   6 /* Adaptive Technology Resource Centre / Inclusive Design Institution  */\r
   7 /* http://atutor.ca                                                                                                        */\r
   8 /*                                                                                                                                         */\r
   9 /* This program is free software. You can redistribute it and/or           */\r
  10 /* modify it under the terms of the GNU General Public License             */\r
  11 /* as published by the Free Software Foundation.                                           */\r
  12 /***********************************************************************/\r
  13 // $Id$\r
  14 \r
  15 /*******\r
  16  * module_uninstall.php performs reversion of module_install.php\r
  17  */\r
  18 \r
  19 /*******\r
  20  * the line below safe-guards this file from being accessed directly from\r
  21  * a web browser. It will only execute if required from within an ATutor script,\r
  22  * in our case the Module::uninstall() method.\r
  23  */\r
  24 if (!defined('AT_INCLUDE_PATH')) { exit; }\r
  25 \r
  26 /********\r
  27  * the following code is used for removing a module-specific directory created in module_install.php.\r
  28  * it generates appropriate error messages to aid in its creation.\r
  29  */\r
  30 $directory = AT_PA_CONTENT_DIR;\r
  31 \r
  32 /******\r
  33  * the following code checks if there are any errors (generated previously)\r
  34  * then uses the SqlUtility to run reverted database queries of module.sql, \r
  35  * ie. "create table" statement in module.sql is run as drop according table.\r
  36  */\r
  37 if (!$msg->containsErrors() && file_exists(dirname(__FILE__) . '/module.sql')) {\r
  38         // deal with the SQL file:\r
  39         require(AT_INCLUDE_PATH . 'classes/sqlutility.class.php');\r
  40         $sqlUtility =& new SqlUtility();\r
  41 \r
  42         /*\r
  43          * the SQL file could be stored anywhere, and named anything, "module.sql" is simply\r
  44          * a convention we're using.\r
  45          */\r
  46         $sqlUtility->revertQueryFromFile(dirname(__FILE__) . '/module.sql', TABLE_PREFIX);\r
  47 }\r
  48 \r
  49 ?>