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   1  <?php
   2  // $Id: link.install,v 1.5.4.2 2010/02/22 03:28:00 jcfiala Exp $
   3  
   4  /**
   5   * @file
   6   * Install file for the link module.
   7   */
   8  
   9  /**
  10   * Implementation of hook_install().
  11   */
  12  function link_install() {
  13    drupal_load('module', 'content');
  14    content_notify('install', 'link');
  15  }
  16  
  17  /**
  18  * Implementation of hook_uninstall().
  19  */
  20  function link_uninstall() {
  21    drupal_load('module', 'content');
  22    content_notify('uninstall', 'link');
  23  }
  24  
  25  /**
  26  * Implementation of hook_enable().
  27  */
  28  function link_enable() {
  29    drupal_load('module', 'content');
  30    content_notify('enable', 'link');
  31  }
  32  
  33  /**
  34  * Implementation of hook_disable().
  35  */
  36  function link_disable() {
  37    drupal_load('module', 'content');
  38    content_notify('disable', 'link');
  39  }
  40  
  41  /**
  42   * Removed link.module created tables, move data to content.module tables
  43   *
  44   * Even though most everyone will not be using this particular update, several
  45   * folks have complained that their upgrades of link.module do not work because
  46   * of this function being missing when schema expects it. - JCF
  47   * And on further review, I'm removing the body, since some of those calls
  48   * no longer exist in Drupal 6.  Remember to upgrade from 4.7 to 5 first, and
  49   * *then* from 5 to 6.  kthx! -JCF
  50   */
  51  function link_update_1() {
  52    $ret = array();
  53    // GNDN
  54    return $ret;
  55  }
  56  
  57  
  58  /**
  59   * Ensure that content.module is updated before link module.
  60   */
  61  function link_update_6000() {
  62    if ($abort = content_check_update('link')) {
  63      return $abort;
  64    }
  65    return array();
  66  }
  67  
  68  /**
  69   * Change the database schema to allow NULL values.
  70   */
  71  function link_update_6001() {
  72    $ret = array();
  73    
  74    // Build a list of fields that need updating.
  75    $update_fields = array();
  76    foreach (content_types_install() as $type_name => $fields) {
  77      foreach ($fields as $field) {
  78        if ($field['type'] == 'link') {
  79          // We only process a given field once.
  80          $update_fields[$field['field_name']] = $field;
  81        }
  82      }
  83    }
  84    
  85    // Update each field's storage to match the current definition.
  86    foreach ($update_fields as $field) {
  87      $db_info = content_database_info($field);
  88      foreach ($db_info['columns'] as $column) {
  89        db_change_field($ret, $db_info['table'], $column['column'], $column['column'], $column);
  90        $ret[] = update_sql("UPDATE {". $db_info['table'] ."} SET ". $column['column'] ." = NULL WHERE ". $column['column'] ." = '' OR ". $column['column'] ." = 'N;'");
  91      }
  92    }
  93    
  94    // Let CCK re-associate link fields with Link module and activate the fields.
  95    content_associate_fields('link');
  96    
  97    return $ret;
  98  }
  99  
 100  /**
 101   * 6.x-2.7 had code that mistakenly wrote 'a:3:{s:6:"target";s:7:"default";s:5:"class";s:0:"";s:3:"rel";s:0:"";}'
 102   * to the attributes field, when it should have written NULL.
 103   *
 104   * This fixes that.  Ticket #626932.
 105   */
 106  function link_update_6002() {
 107    $ret = array();
 108    
 109    // Build a list of fields that need updating.
 110    $update_fields = array();
 111    foreach (content_types_install() as $type_name => $fields) {
 112      foreach ($fields as $field) {
 113        if ($field['type'] == 'link') {
 114          // We only process a given field once.
 115          $update_fields[$field['field_name']] = $field;
 116        }
 117      }
 118    }
 119    
 120    // Update each field's storage to match the current definition.
 121    foreach ($update_fields as $field) {
 122      $db_info = content_database_info($field);
 123      foreach ($db_info['columns'] as $column) {
 124        //db_change_field($ret, $db_info['table'], $column['column'], $column['column'], $column);
 125        if (preg_match('/_attributes$/', $column['column'])) {
 126          //we can't use update_sql, because it doesn't handle serialized data.
 127          $sql = "UPDATE {". $db_info['table'] ."} SET ". $column['column'] ." = NULL WHERE ". $column['column'] ." = '%s'";
 128          $result = db_query($sql, 'a:3:{s:6:"target";s:7:"default";s:5:"class";s:0:"";s:3:"rel";s:0:"";}');
 129          $ret[] = array('success' => $result !== FALSE, 'query' => check_plain($sql));
 130        }
 131      }
 132    }
 133    
 134    // Let CCK re-associate link fields with Link module and activate the fields.
 135    content_associate_fields('link');
 136    
 137    return $ret;
 138  }