islandora_batch_modify.drush.inc

<?php
/**
 * @file
 * Functions for batch modifications via drush.
 *
 *
 *  Copyright 2017 Leiden University Library
 *
 *  This file is part of islandora_batch_modify.
 *
 *  islandora_batch_modify is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/**
 * Implements hook_drush_command().
 */
function islandora_batch_modify_drush_command() {
  $items['islandora_batch_modify'] = array(
    'description' => 'Ingests or generates datastreams for objects found in a CSV file.',
    'options' => array(
      'csvfile' => 'An absolute path to an existing CSV file, containing lines with 3 values: an object id, a datastream id or property type, and optionally a absolute path to a datastream file or property value.',
      'skipmodifiedafter' => 'Optional, prevents modification of a datastream, or the label of an object or a datastream if the modification date of the datastream or object is after this date.',
    ),
    'aliases' => array('ibm'),
    'examples' => array(
      'drush --user=admin islandora_batch_modify --csvfile=/tmp/test.csv',
      'drush --user=admin ibm --csvfile=/tmp/test.csv',
    ),
  );
  return $items;
}

/**
 * Implements drush_hook_COMMAND_validate().
 */
function drush_islandora_batch_modify_validate() {
  $csvfile = drush_get_option('csvfile');

  if (substr($csvfile, 0, 1) !== DIRECTORY_SEPARATOR) {
    return drush_set_error("csvfile should be an absolute path to an existing CSV file, but is not absolute.");
  }
  if (!is_file($csvfile)) {
    return drush_set_error("csvfile should be an absolute path to an existing CSV file, but does not exist.");
  }

  $skipmodifiedafter = drush_get_option('skipmodifiedafter');
  if (isset($skipmodifiedafter)) {
    if (!preg_match('/^[12][0-9]{3}-[01][0-9]-[0-3][0-9](?:T[0-2][0-9]:[0-5][0-9]:[0-5][0-9]Z)?$/', $skipmodifiedafter)) {
      return drush_set_error("skipmodifiedafter should be a date, e.g. 2014-01-20 or 2014-04-28T21:15:00Z.");
    }
  }

  return TRUE;
}

/**
 * Implements drush_hook_COMMAND().
 */
function drush_islandora_batch_modify() {
  module_load_include('inc', 'islandora_batch_modify', 'includes/utilities');
  $csvfile = drush_get_option('csvfile');
  $skipmodifiedafter = drush_get_option('skipmodifiedafter', NULL);

  $workinfo = islandora_batch_modify_parse_csv_file($csvfile, 'drush_log'); 

  if ($workinfo) {
    $askbeforedoing = FALSE;
    foreach ($workinfo as $objid => $info) {
      if (isset($info['POLICY']) || isset($info['RELS-EXT']) || isset($info['RELS-INT'])) {
        $askbeforedoing = TRUE;
      }
    }
    if ($askbeforedoing) {
      if (!drush_confirm(t('Warning: Are you sure you want to change POLICY, RELS-EXT or RELS-INT datastreams?'))) {
        drush_log(t('Cancelled.'), 'notice');
        return;
      }
    }
    islandora_batch_modify_do_work($workinfo, 'drush_log', 'notice', $skipmodifiedafter);
  }
  else {
    drush_log(t('Nothing to do!'), 'notice');
  }
}