islandora_herbarium_object.module

<?php

/**
 * @file
 * Contains islandora_herbarium.module.
 */

use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_help().
 */
function islandora_herbarium_object_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    // Main module help for the islandora_pdf module.
    case 'help.page.islandora_herbarium':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('Islandora Herbarium') . '</p>';
      return $output;

    default:
  }
}

/**
 * Implements hook_rdf_namespaces().
 */
function islandora_herbarium_object_rdf_namespaces() {
  // Yes, it's amazing, rdf is not registered by default!
  return [
    'dwc' => 'http://rs.tdwg.org/dwc/terms/',
    'dwciri' => 'http://rs.tdwg.org/dwc/iri/',
  ];
}

/**
 * Implements hook_theme().
 */
function islandora_herbarium_object_theme($existing, $type, $theme, $path) {
  return [
    'fdg_graph' => [
      'variables' => ['height' => NULL, 'width' => NULL],
    ],
  ];
}

/**
 * Implements hook_entity_presave().
 */
function islandora_herbarium_object_entity_presave(EntityInterface $entity) {
  if ($entity->bundle() == 'islandora_herbarium_object') {
    // Get the geo data.
    try {
      $geo = \Drupal::service('islandora_herbarium_object.geoparser');
      $geo->updateEntity($entity);
    }
    catch (Exception $e) {
      \Drupal::messenger()->addError(t('There was an error retrieving Geo data. %msg.',
        ['%msg' => $e->getMessage()]));
    }
    // Get the taxonomy data.
    try {
      $taxon = \Drupal::service('islandora_herbarium_object.taxonparser');
      $taxon->updateEntity($entity);
    }
    catch (Exception $e) {
       \Drupal::messenger()->addError(t('There was an error retrieving Taxon data. %msg.',
        ['%msg' => $e->getMessage()]));
    }
    $title = $entity->get('field_dwc_scientificname')->value . ' - ' . $geo->getValue('name');
    if ($title != ' - ') {
      $entity->setTitle($title);
    }

  }
}