farm_loocc.module

<?php

/**
 * @file
 * Primary module hooks for farmOS LOOC-C module.
 */

use Drupal\asset\Entity\AssetInterface;
use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_help().
 */
function farm_loocc_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {

    // Module help page.
    case 'help.page.farm_loocc':
      $output = [
        '#markup' => t('Provides a farmOS integration with the <a href=":link">LOOC-C calculator.</a>', [':link' => 'https://looc-c.farm/) calculator.']) . ' ' . t('For more information see <a href=":link">What is LOOC-C</a>', [':link' => 'https://looc-c.farm/about']),
      ];
      return $output;

    // Cobenefits page.
    case 'farm_loocc.cobenefits':
      $output = [
        '#markup' => t('Select a method to view associated farm co-benefits and disbenefits.') . ' ' . t('For more information about these methods see the <a href=":link">Emissions Reduction Fund (ERF)</a>.', [':link' => 'http://www.cleanenergyregulator.gov.au/ERF']),
      ];
      return $output;
  }
}

/**
 * Implements hook_preprocess_HOOK().
 */
function farm_loocc_preprocess_views_view(&$variables) {

  // Bail if there is no view.
  if (empty($variables['view'])) {
    return;
  }

  // Only modify some views.
  $target_view_ids = ['farm_loocc_estimates'];
  if (!in_array($variables['view']->id(), $target_view_ids)) {
    return;
  }

  // Only modify if there is an exposed variable.
  if (!empty($variables['exposed'])) {

    // Save the existing exposed array.
    $exposed = $variables['exposed'];

    // Build new exposed variable as a details element.
    $variables['exposed'] = [
      '#type' => 'details',
      '#title' => t('Filter'),
      '#open' => FALSE,
      '#attached' => [
        'library' => ['farm_loocc/views_collapsible_filters'],
      ],
    ];

    // Add back the original exposed array.
    $variables['exposed']['form'] = $exposed;
  }
}

/**
 * Implements hook_ENTITY_TYPE_update().
 */
function farm_loocc_asset_update(AssetInterface $asset) {

  // Bail if there is no original asset.
  if (empty($asset->original)) {
    return;
  }

  // Delete estimates if the asset is now archived.
  if ($asset->get('status')->value == 'archived' && $asset->original->get('status')->value != 'archived') {
    /** @var \Drupal\farm_loocc\LooccEstimateInterface $loocc_estimate */
    $loocc_estimate = \Drupal::service('farm_loocc.estimate');
    $loocc_estimate->deleteEstimate($asset);
  }
}

/**
 * Implements hook_ENTITY_TYPE_delete().
 */
function farm_loocc_asset_delete(AssetInterface $asset) {
  /** @var \Drupal\farm_loocc\LooccEstimateInterface $loocc_estimate */
  $loocc_estimate = \Drupal::service('farm_loocc.estimate');
  $loocc_estimate->deleteEstimate($asset);
}