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Differences Between: [Versions 311 and 401] [Versions 311 and 402] [Versions 311 and 403]

   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 save changes in table name and/or comments
  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 edit_table_save extends XMLDBAction {
  31  
  32      /**
  33       * Init method, every subclass will have its own
  34       */
  35      function init() {
  36          parent::init();
  37  
  38          // Set own custom attributes
  39  
  40          // Get needed strings
  41          $this->loadStrings(array(
  42              'tablenameempty' => 'tool_xmldb',
  43              'incorrecttablename' => 'tool_xmldb',
  44              'duplicatetablename' => 'tool_xmldb',
  45              'back' => 'tool_xmldb',
  46              'administration' => ''
  47          ));
  48      }
  49  
  50      /**
  51       * Invoke method, every class will have its own
  52       * returns true/false on completion, setting both
  53       * errormsg and output as necessary
  54       */
  55      function invoke() {
  56          parent::invoke();
  57  
  58          $result = true;
  59  
  60          // Set own core attributes
  61          //$this->does_generate = ACTION_NONE;
  62          $this->does_generate = ACTION_GENERATE_HTML;
  63  
  64          // These are always here
  65          global $CFG, $XMLDB;
  66  
  67          // Do the job, setting result as needed
  68  
  69          if (!data_submitted()) { // Basic prevention
  70              print_error('wrongcall', 'error');
  71          }
  72  
  73          // Get parameters
  74          $dirpath = required_param('dir', PARAM_PATH);
  75          $dirpath = $CFG->dirroot . $dirpath;
  76  
  77          $tableparam = strtolower(required_param('table', PARAM_PATH));
  78          $name = substr(trim(strtolower(required_param('name', PARAM_PATH))),0,xmldb_table::NAME_MAX_LENGTH);
  79          $comment = required_param('comment', PARAM_CLEAN);
  80          $comment = $comment;
  81  
  82          $dbdir = $XMLDB->dbdirs[$dirpath];
  83  
  84          $editeddir = $XMLDB->editeddirs[$dirpath];
  85          $structure = $editeddir->xml_file->getStructure();
  86          $table = $structure->getTable($tableparam);
  87  
  88          $errors = array(); // To store all the errors found
  89  
  90          // Perform some checks
  91          // Check empty name
  92          if (empty($name)) {
  93              $errors[] = $this->str['tablenameempty'];
  94          }
  95          // Check incorrect name
  96          if ($name == 'changeme') {
  97              $errors[] = $this->str['incorrecttablename'];
  98          }
  99          // Check duplicatename
 100          if ($tableparam != $name && $structure->getTable($name)) {
 101              $errors[] = $this->str['duplicatetablename'];
 102          }
 103  
 104          if (!empty($errors)) {
 105              $temptable = new xmldb_table($name);
 106                  // Prepare the output
 107              $o = '<p>' .implode(', ', $errors) . '</p>
 108                    <p>' . $temptable->getName() . '</p>';
 109              $o.= '<a href="index.php?action=edit_table&amp;table=' . $tableparam .
 110                   '&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['back'] . ']</a>';
 111              $this->output = $o;
 112  
 113  
 114          // Continue if we aren't under errors
 115          } else if (empty($errors)) {
 116              // If there is one name change, do it, changing the prev and next
 117              // atributes of the adjacent tables
 118              if ($tableparam != $name) {
 119                  $table->setName($name);
 120                  if ($table->getPrevious()) {
 121                      $prev = $structure->getTable($table->getPrevious());
 122                      $prev->setNext($name);
 123                      $prev->setChanged(true);
 124                  }
 125                  if ($table->getNext()) {
 126                      $next = $structure->getTable($table->getNext());
 127                      $next->setPrevious($name);
 128                      $next->setChanged(true);
 129                  }
 130                  // Table has changed
 131                  $table->setChanged(true);
 132              }
 133  
 134              // Set comment
 135              if ($table->getComment() != $comment) {
 136                  $table->setComment($comment);
 137                  // Table has changed
 138                  $table->setChanged(true);
 139              }
 140  
 141              // Recalculate the hash
 142              $structure->calculateHash(true);
 143  
 144              // If the hash has changed from the original one, change the version
 145              // and mark the structure as changed
 146              $origstructure = $dbdir->xml_file->getStructure();
 147              if ($structure->getHash() != $origstructure->getHash()) {
 148                  $structure->setVersion(userdate(time(), '%Y%m%d', 99, false));
 149                  $structure->setChanged(true);
 150              }
 151  
 152              // Launch postaction if exists (leave this here!)
 153              if ($this->getPostAction() && $result) {
 154                  return $this->launch($this->getPostAction());
 155              }
 156          }
 157  
 158          // Return ok if arrived here
 159          return $result;
 160      }
 161  }
 162