calendar.install in Calendar 6.2

File

calendar.install

<?php

/**
 * Implementation of hook_enable().
 * Reset the calendar caches.
 */
function calendar_enable() {
  module_enable(array(
    'date_api',
  ));
  if (version_compare(PHP_VERSION, '5.2', '<')) {
    module_enable(array(
      'date_php4',
    ));
  }
  module_enable(array(
    'date_timezone',
  ));
  db_query("DELETE FROM {cache_views}");
}

/**
 * Implementation of hook_disable().
 * Empty the calendar caches.
 */
function calendar_disable() {
  db_query("DELETE FROM {cache_views}");
}

/**
 * Implementation of hook_uninstall().
 * Remove all traces of calendars.
 */
function calendar_uninstall() {
  $ret = array();
  variable_del('calendar_default_view_options');
  $displays = array(
    'calendar',
    'calendar_attachment',
    'calendar_year',
    'calendar_day',
    'calendar_month',
    'calendar_week',
    'calendar_block',
    'calendar_block_view',
    'calendar_ical',
  );
  $result = db_query("SELECT DISTINCT vid FROM {views_display} WHERE display_plugin IN ('" . implode("','", $displays) . "')");
  while ($row = db_fetch_array($result)) {
    db_query("DELETE FROM {views_view} WHERE vid = %d", $row['vid']);
    db_query("DELETE FROM {views_display} WHERE vid = %d", $row['vid']);
  }
  db_query("DELETE FROM {cache_views}");
  return $ret;
}

/**
 * Implementation of hook_install().
 */
function calendar_install() {
  $ret = array();
  module_enable(array(
    'date_api',
  ));
  if (version_compare(PHP_VERSION, '5.2', '<')) {
    module_enable(array(
      'date_php4',
    ));
  }
  module_enable(array(
    'date_timezone',
  ));

  // Make sure this module loads after date_api.
  db_query("UPDATE {system} SET weight = 1 WHERE name = 'calendar'");
  db_query("DELETE FROM {cache_views}");
  return $ret;
}
function calendar_update_last_removed() {
  return 5200;
}

// No longer track views info in variables now that
// Views 2 has settings we can use.
function calendar_update_6000() {
  $ret = array();

  // don't attempt to upgrade if views is not yet upgraded.
  if (drupal_get_installed_schema_version('views', TRUE) < 6000) {
    $ret = array();
    drupal_set_message(t('Calendar module cannot be updated until after Views has been updated. Please return to <a href="@update-php">update.php</a> and run the remaining updates.', array(
      '@update-php' => base_path() . 'update.php?op=selection',
    )), 'warning', FALSE);
    $ret['#abort'] = array(
      'success' => FALSE,
      'query' => t('calendar.module has updates, but cannot be updated until views.module is updated first.'),
    );
    return $ret;
  }
  variable_del('calendar_empty_arg');

  // Can't use variable_del because we don't have a reliable
  // way to find the old view names.
  db_query("DELETE FROM {variable} WHERE name LIKE 'calendar_%'");
  cache_clear_all('variables', 'cache');
  return $ret;
}

/**
 * Make sure handlers for disabled Calendar iCal module don't get saved in the view.
 */
function calendar_update_6001() {
  $ret = array();

  // don't attempt to upgrade if views is not yet upgraded.
  if (drupal_get_installed_schema_version('views', TRUE) < 6000) {
    $ret = array();
    drupal_set_message(t('Calendar module cannot be updated until after Views has been updated. Please return to <a href="@update-php">update.php</a> and run the remaining updates.', array(
      '@update-php' => base_path() . 'update.php?op=selection',
    )), 'warning', FALSE);
    $ret['#abort'] = array(
      'success' => FALSE,
      'query' => t('calendar.module has updates, but cannot be updated until views.module is updated first.'),
    );
    return $ret;
  }
  if (!module_exists('calendar_ical')) {
    $ret[] = update_sql("DELETE FROM {views_display} WHERE display_plugin = 'ical'");
  }
  return $ret;
}
function calendar_update_6002() {
  $ret = array();

  // don't attempt to upgrade if views is not yet upgraded.
  if (drupal_get_installed_schema_version('views', TRUE) < 6000) {
    $ret = array();
    drupal_set_message(t('Calendar module cannot be updated until after Views has been updated. Please return to <a href="@update-php">update.php</a> and run the remaining updates.', array(
      '@update-php' => base_path() . 'update.php?op=selection',
    )), 'warning', FALSE);
    $ret['#abort'] = array(
      'success' => FALSE,
      'query' => t('calendar.module has updates, but cannot be updated until views.module is updated first.'),
    );
    return $ret;
  }
  $periods = array(
    'calendar_month' => 'calendar_period_1',
    'calendar_year' => 'calendar_period_2',
    'calendar_day' => 'calendar_period_3',
    'calendar_week' => 'calendar_period_4',
    'calendar_block_view' => 'calendar_period_5',
  );
  $result = db_query("SELECT * FROM {views_display} d LEFT JOIN {views_view} v ON d.vid = v.vid");
  drupal_load('module', 'views');
  while ($row = db_fetch_array($result)) {
    if (in_array($row['display_plugin'], array_keys($periods))) {
      $id = $row['id'];
      $options = unserialize($row['display_options']);
      if ($row['display_plugin'] == 'calendar_block_view') {
        $options['calendar_type'] = 'month';
        $options['displays'] = array(
          'calendar_1' => 0,
          'default' => 0,
          'calendar_block_1' => 'calendar_block_1',
        );
      }
      else {
        $options['calendar_type'] = str_replace('calendar_', '', $row['display_plugin']);
        $options['displays'] = array(
          'calendar_1' => 'calendar_1',
          'default' => 0,
          'calendar_block_1' => 0,
        );
      }
      $row['id'] = $periods[$row['id']];
      $row['display_plugin'] = 'calendar_period';
      $row['display_options'] = serialize($options);
      db_query("UPDATE {views_display} SET id='%s', display_plugin='%s', display_options='%s' WHERE id='%s'", $row['id'], $row['display_plugin'], $row['display_options'], $id);
    }
    elseif ($row['display_plugin'] == 'calendar' || $row['display_plugin'] == 'calendar_block') {
      db_query("UPDATE {views_display} SET id='%s' WHERE id='%s'", $row['id'] . '_1', $row['id']);
    }
    db_query("DELETE FROM {views_object_cache} WHERE name = '%s'", $row['name']);
  }
  views_invalidate_cache();
  $ret[] = array(
    'success' => TRUE,
    'query' => 'Updated calendar displays to use new handlers.',
  );
  return $ret;
}

Functions

Name	Description
calendar_disable	Implementation of hook_disable(). Empty the calendar caches.
calendar_enable	Implementation of hook_enable(). Reset the calendar caches.
calendar_install	Implementation of hook_install().
calendar_uninstall	Implementation of hook_uninstall(). Remove all traces of calendars.
calendar_update_6000
calendar_update_6001	Make sure handlers for disabled Calendar iCal module don't get saved in the view.
calendar_update_6002
calendar_update_last_removed