node_revision_delete.install in Node Revision Delete 7.3

Install, update and uninstall functions for the Node Revision Delete module.

File

node_revision_delete.install

<?php

/**
 * @file
 * Install, update and uninstall functions for the Node Revision Delete module.
 */

/**
 * Implements hook_install().
 */
function node_revision_delete_install() {

  // Number of revisions to remove in each cron run.
  variable_set('node_revision_delete_cron', 50);

  // Last time that the node revision delete was made.
  variable_set('node_revision_delete_last_execute', 0);

  // Frequency with which to delete revisions while cron is running.
  variable_set('node_revision_delete_time', -1);

  // Time configuration to know when the revision should be deleted.
  $node_revision_delete_when_to_delete_time = array(
    'max_number' => 12,
    'time' => 'months',
  );
  variable_set('node_revision_delete_when_to_delete_time', $node_revision_delete_when_to_delete_time);

  // Time configuration to know the minimum age that the revision should have
  // to be deleted.
  $node_revision_delete_minimum_age_to_delete_time = array(
    'max_number' => 12,
    'time' => 'months',
  );
  variable_set('node_revision_delete_minimum_age_to_delete_time', $node_revision_delete_minimum_age_to_delete_time);

  // Configuration for each content_type.
  variable_set('node_revision_delete_track', array());
}

/**
 * Implements hook_uninstall().
 */
function node_revision_delete_uninstall() {
  variable_del('node_revision_delete_cron');
  variable_del('node_revision_delete_last_execute');
  variable_del('node_revision_delete_time');
  variable_del('node_revision_delete_when_to_delete_time');
  variable_del('node_revision_delete_minimum_age_to_delete_time');
  variable_del('node_revision_delete_track');
}

/**
 * Sets max amount of revisions per content type.
 */
function node_revision_delete_update_7200() {

  // If content types were selected, set the global max to each of them.
  $content_types = variable_get('node_revision_delete_content_type', '');
  if (!empty($content_types)) {
    $content_types = explode(',', $content_types);
    $max = variable_get('node_revision_delete_number');
    if ($max) {
      foreach ($content_types as $type) {
        variable_set('node_revision_delete_track_' . $type, 1);
        variable_set('node_revision_delete_number_' . $type, $max);
      }
    }
  }
  variable_del('node_revision_delete_number');
  variable_del('node_revision_delete_content_type');
}

/**
 * Removes node_revision_delete_time if its values is 0.
 *
 * It was matching a wrong condition in a switch at hook_cron.
 */
function node_revision_delete_update_7201() {
  if (variable_get('node_revision_delete_time') == 0) {
    variable_del('node_revision_delete_time');
  }
}

/**
 * Update the configurations to the 3.x module version.
 */
function node_revision_delete_update_7300() {

  // Creating new variables.
  // Time configuration to know when the revision should be deleted.
  $node_revision_delete_when_to_delete_time = array(
    'max_number' => 12,
    'time' => 'months',
  );
  variable_set('node_revision_delete_when_to_delete_time', $node_revision_delete_when_to_delete_time);

  // Time configuration to know the minimum age that the revision should have
  // to be deleted.
  $node_revision_delete_minimum_age_to_delete_time = array(
    'max_number' => 12,
    'time' => 'months',
  );
  variable_set('node_revision_delete_minimum_age_to_delete_time', $node_revision_delete_minimum_age_to_delete_time);
  $node_revision_delete_track = array();

  // Searching the content type machine name.
  $results = db_query("SELECT SUBSTR(name, 28) as name\n                       FROM {variable}\n                       WHERE name LIKE 'node_revision_delete_track_%'");
  foreach ($results as $content_type) {

    // Convert variables. Leave out untracked content types.
    if (variable_get('node_revision_delete_track_' . $content_type->name)) {
      $node_revision_delete_track[$content_type->name]['minimum_revisions_to_keep'] = variable_get('node_revision_delete_number_' . $content_type->name);
      $node_revision_delete_track[$content_type->name]['minimum_age_to_delete'] = 0;
      $node_revision_delete_track[$content_type->name]['when_to_delete'] = 0;
    }

    // Deleting old variables.
    variable_del('node_revision_delete_track_' . $content_type->name);
    variable_del('node_revision_delete_number_' . $content_type->name);
  }

  // Saving the new format.
  variable_set('node_revision_delete_track', $node_revision_delete_track);
}

/**
 * Update node_revision_delete_time from words to seconds.
 */
function node_revision_delete_update_7301() {

  // Including the helper file.
  module_load_include('inc', 'node_revision_delete', 'node_revision_delete.helpers');

  // Getting the new values.
  $options_node_revision_delete_time = _node_revision_delete_word_to_time();

  // Getting the old value.
  $time = variable_get('node_revision_delete_time');

  // Setting the new value.
  variable_set('node_revision_delete_time', $options_node_revision_delete_time[$time]);
}

Functions

Name	Description
node_revision_delete_install	Implements hook_install().
node_revision_delete_uninstall	Implements hook_uninstall().
node_revision_delete_update_7200	Sets max amount of revisions per content type.
node_revision_delete_update_7201	Removes node_revision_delete_time if its values is 0.
node_revision_delete_update_7300	Update the configurations to the 3.x module version.
node_revision_delete_update_7301	Update node_revision_delete_time from words to seconds.