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   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * @package    tool_xmldb
  19   * @copyright  2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
  20   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  21   */
  22  
  23  /**
  24   * This class will load every XML file to memory if necessary
  25   *
  26   * @package    tool_xmldb
  27   * @copyright  2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
  28   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  29   */
  30  class load_xml_files extends XMLDBAction {
  31  
  32      /**
  33       * Init method, every subclass will have its own
  34       */
  35      function init() {
  36          parent::init();
  37          // Set own core attributes
  38          $this->can_subaction = ACTION_NONE;
  39          //$this->can_subaction = ACTION_HAVE_SUBACTIONS;
  40  
  41          // Set own custom attributes
  42  
  43          // Get needed strings
  44          $this->loadStrings(array(
  45              // 'key' => 'module',
  46          ));
  47      }
  48  
  49      /**
  50       * Invoke method, every class will have its own
  51       * returns true/false on completion, setting both
  52       * errormsg and output as necessary
  53       */
  54      function invoke() {
  55          parent::invoke();
  56  
  57          $result = true;
  58  
  59          // Set own core attributes
  60          $this->does_generate = ACTION_NONE;
  61          //$this->does_generate = ACTION_GENERATE_HTML;
  62  
  63          // These are always here
  64          global $CFG, $XMLDB;
  65  
  66          // Do the job, setting $result as needed
  67  
  68          // Iterate over $XMLDB->dbdirs, loading their XML data to memory
  69          if ($XMLDB->dbdirs) {
  70              $dbdirs = $XMLDB->dbdirs;
  71              foreach ($dbdirs as $dbdir) {
  72                  // Set some defaults
  73                  $dbdir->xml_exists = false;
  74                  $dbdir->xml_writeable = false;
  75                  $dbdir->xml_loaded  = false;
  76                  // Only if the directory exists
  77                  if (!$dbdir->path_exists) {
  78                      continue;
  79                  }
  80                  $xmldb_file = new xmldb_file($dbdir->path . '/install.xml');
  81                  // Set dbdir as necessary
  82                  if ($xmldb_file->fileExists()) {
  83                      $dbdir->xml_exists = true;
  84                  }
  85                  if ($xmldb_file->fileWriteable()) {
  86                      $dbdir->xml_writeable = true;
  87                  }
  88                  // Load the XML contents to structure
  89                  $loaded = $xmldb_file->loadXMLStructure();
  90                  if ($loaded && $xmldb_file->isLoaded()) {
  91                      $dbdir->xml_loaded = true;
  92                  }
  93                  $dbdir->xml_file = $xmldb_file;
  94              }
  95          }
  96          return $result;
  97      }
  98  }
  99