islandora_vault.module

<?php

define('ISLANDORA_VAULT_MANAGE_ITEMS', 'manage islandora vault items');
define('ISLANDORA_VAULT_MANAGE', 'manage islandora vault admin');

/**
 * Implementation of hook_menu. 
 * we need some standard entry points so we can have consistent urls for different Object actions
 */
function islandora_vault_menu() {
  $items = array();
  $items['admin/islandora/islandora_vault/configure'] = array(
    'title' => 'Islandora Vault',
    'description' => 'Configure settings for Islandora Duracloud cloudsync.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('islandora_vault_admin'),
    'file' => 'admin/islandora_vault.admin.inc',
    'access arguments' => array('administer site configuration'),
    'type' => MENU_NORMAL_ITEM,
    'weight' => -1,
  );
  $items['islandora_vault/%/manage/vault/logcontent'] = array(
    'title' => 'Islandora Vault Serivce Log Content',
    //'description' => 'Configure settings for Islandora Duracloud cloudsync.',
    'page callback' => 'islandora_vault_cloudsync_log_content',
    'file' => 'includes/islandora_vault.cloudsync.service.inc',
    'page arguments' => array('islandora_vault_admin'),
    'access arguments' => array('islandora_vault_access'),
    'page arguments' => array(1),
    'type' => MENU_CALLBACK,
    'weight' => -1,
  );
  $items['islandora/object/%islandora_object/manage/vault'] = array(
    'title' => 'Vault',
    'page callback' => 'islandora_vault_manage_object',
    'page arguments' => array(2),
    'type' => MENU_LOCAL_TASK,
    'access callback' => 'islandora_vault_access',
    'file' => 'includes/islandora_vault.forms.inc',
    'access arguments' => array(2),
  );
  $items['islandora_vault/test'] = array(
    'title' => 'foo',
    'access callback' => 'user_access',
    'page callback' => 'islandora_vault_test',
    'type' => MENU_CALLBACK,
    'access arguments' => array('administer site configuration'),
  );

  return $items;
}

function islandora_vault_test() {
  module_load_include('inc', 'islandora_vault', 'includes/islandora_vault.duracloud.service');
  module_load_include('inc', 'islandora_vault', 'islandora_vault.api');
  $duraboss = DuraBoss::getInstance();
  $report = islandora_vault_get_latest_report_id($duraboss);
  $report = substr($report, 14); //don't want the x-service-out part of the path
  return $duraboss->getItemContent($report);
}

/**
 * determines whether or not to show this modules vault tab
 * @global object $user
 * @param string $object_id
 * @return boolean
 */
function islandora_vault_access($fedora_object) {
  if (!isset($fedora_object)) {
    return FALSE;
  }
  return user_access(ISLANDORA_VAULT_MANAGE);
}

/* function islandora_vault_admin_paths(){
  $paths = array(
  'islandora_vault/service/logcontent*' => TRUE,
  );
  return $paths;
  } */

function islandora_vault_permission() {
  return array(
    ISLANDORA_VAULT_MANAGE_ITEMS => array(
      'title' => t('Manage items in Islandora Vault'),
      'description' => t('Allow users to add items to Duracloud')
    )
  );
}

/**
 * preprocess the edit template add the vault column
 * @global string $base_url
 * @param array $variables
 *   theme variables for the edit template
 */
function islandora_vault_preprocess_islandora_default_edit(&$variables) {
  $islandora_object = $variables['islandora_object'];
  module_load_include('inc', 'islandora_vault', 'includes/islandora_vault.utils');
  global $base_url;

  module_load_include('inc', 'islandora', 'includes/datastream');
  module_load_include('inc', 'islandora', 'includes/utilities');

  $table = &$variables['datastream_table'];

  $rows = &$table['rows'];
  foreach ($rows as &$row) {
    foreach ($row as &$column) {
      foreach ($islandora_object as $ds) {
        if ($column['class'] == 'datastream-label' && $column['data'] == $ds->label) {
          $rt_value = "";
          if ($ds->controlGroup == 'M') {
            try {
              $headers = islandora_vault_get_duracloud_item_properties($ds->location);
              $chksum = $ds->checksum;
              if ($chksum == 'none') {
                $rt_value = '<div class="islandora-vault-unknown" label="File exists in both Fedora and Duracloud but does not have a checksum in Fedora">Missing Checksum </div>';
              }
              else {
                $rt_value = ($ds->checksum == $headers['Content-Md5']) ? '<div class="islandora-vault-match" label="checksums in Fedora and Duracloud are the same">Match</div>'
                : '<div class="islandora-vault-mismatch" label="checksums in Fedora and Duracloud are not the same">Mismatch</div>';
              }
            } catch (Exception $e) {
              $rt_value = '<div class="islandora-vault-missing" label="File does not exist in Duracloud">Missing File</div>';
            }
          }
        }
      }
    }
    $vault_row = array('class' => 'vault-datastream', 'data' => $rt_value);
    array_unshift($row, $vault_row);
  }

  $headers = &$table['header'];
  $vault_header = array('data' => t('Vault'));
  array_unshift($headers, $vault_header);

  //$table = array('colgroups' => NULL, 'sticky' => TRUE, 'empty' => 'Error loading datastreams', 'caption' => $caption, 'header' => $header, 'rows' => $rows, 'attributes' => $table_attributes);
  //$variables['datastream_table'] = $table;
}

/*
function islandora_vault_islandora_pre_purge_object($object){
  if(isset($object['CLOUDSYNC'])){
    //TODO: maybe delete cloudsync tasks etc.
    // we may want to leave the task in case we want to restore
   
  }
}*/