islandora_bagger_integration.install

<?php

/**
 * Implements hook_requirements().
 */
function islandora_bagger_integration_requirements($phase) {
  $requirements = [];

  if ($phase == 'runtime') {
    $config = \Drupal::config('islandora_bagger_integration.settings');
    $mode = $config->get('islandora_bagger_mode');

    // If in remote mode, check whether Islandora Bagger's endpoint is available.
    if ($mode == 'remote') {
      $bagger_endpoint = $config->get('islandora_bagger_rest_endpoint');
      $bagger_response_code = 0;
      try {
        $client = \Drupal::httpClient();
        // Assumes Islandora Bagger requires no authentication (e.g., it's behind the Symfony or other firewall).
        $response = $client->request('GET', $bagger_endpoint);
        $bagger_response_code = $response->getStatusCode();
      }
      catch (Exception $e) {
        \Drupal::logger('islandora_bagger_integration')->error($e->getMessage());
      }
      finally {
        if ($bagger_response_code == 200) {
          $requirements['islandora_bagger_integration_microservice_available'] = [
            'title' => t("Islandora Bagger Integration"),
            'description' => t("Islandora Bagger is running at @endpoint", array('@endpoint' => $bagger_endpoint)),
            'severity' => REQUIREMENT_INFO,
          ];
        }
        else {
          $requirements['islandora_bagger_integration_microservice_available'] = [
            'title' => t("Islandora Bagger Integration"),
            'description' => t("Islandora Bagger not found or is not running at @endpoint", array('@endpoint' => $bagger_endpoint)),
            'severity' => REQUIREMENT_ERROR,
          ];
        }
      }
    }

    // If in local mode, check whether Islandora Bagger's installation directory exists.
    if ($mode == 'local') {
      $bagger_directory = $config->get('islandora_bagger_local_bagger_directory');
      if (file_exists($bagger_directory)) {
          $requirements['islandora_bagger_integration_directory_exists'] = [
            'title' => t("Islandora Bagger Integration"),
            'description' => t("Islandora Bagger is installed at @directory", array('@directory' => $bagger_directory)),
            'severity' => REQUIREMENT_INFO,
          ];
      }
      else {
        $requirements['islandora_bagger_integration_directory_exists'] = [
          'title' => t("Islandora Bagger Integration"),
          'description' => t("Islandora Bagger not installed at @directory", array('@directory' => $bagger_directory)),
          'severity' => REQUIREMENT_ERROR,
        ];
      }
    }
  }
  elseif ($phase == 'update') {
    if (!\Drupal::moduleHandler()->moduleExists('getjwtonlogin')) {
      $requirements['islandora_bagger_integration_getjwtonlogin_enabled'] = [
        'title' => t("Islandora Bagger Integration"),
        'description' => t("Islandora Bagger now requires the <a href=\"https://drupal.org/project/getjwtonlogin\">Get JWT on Login</a> module."),
        'severity' => REQUIREMENT_ERROR,
      ];
    }
  }
  return $requirements;
}

/**
 * Implements hook_schema().
 */
function islandora_bagger_integration_schema() {
  $schema = [];

  $schema['islandora_bagger_integration_bag_log'] = [
    'description' => 'Records Bags generated by Islandora Bagger.',
    'fields' => [
      'id' => [
        'type' => 'serial',
        'not null' => TRUE,
        'description' => 'Primary key.',
      ],
      'nid' => [
        'description' => 'The ID of the node the Bag was created for.',
        'type' => 'varchar',
        'length' => 50,
        'not null' => TRUE,
      ],
      'ip_address' => [
        'description' => 'The IP address of the harvester.',
        'type' => 'varchar',
        'length' => 50,
        'not null' => TRUE,
      ],
      'created' => [
        'description' => 'A timestamp indicating when the record was created.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ],
      'user' => [
        'description' => 'The user ID from the Bagger config file.',
        'type' => 'varchar',
        'length' => 50,
        'not null' => TRUE,
      ],
      'bag_name' => [
        'description' => 'The name of the Bag.',
        'type' => 'varchar',
        'length' => 256,
        'not null' => TRUE,
      ],
      'hash_algorithm' => [
        'description' => 'The hash algorithm used to create the Bag.',
        'type' => 'varchar',
        'length' => 10,
        'not null' => TRUE,
      ],
      'bagit_version' => [
        'description' => 'The Bagit version number.',
        'type' => 'varchar',
        'length' => 10,
        'not null' => TRUE,
      ],
      'bag_info' => [
        'description' => 'The contents of the bag_info.txt file.',
        'type' => 'text',
        'not null' => TRUE,
      ],
      'manifest' => [
        'description' => 'The contents of the manifest file corresponding to the hash_algorithm.',
        'type' => 'text',
        'not null' => TRUE,
      ],
      'fetch' => [
        'description' => 'The contents of the fetch.txt file.',
        'type' => 'text',
        'not null' => TRUE,
      ],
    ],
    'primary key' => ['id'],
  ];

  return $schema;
}