jsonapi_views.module

<?php

/**
 * @file
 * Core functions for the JSON:API Views module.
 */

use Drupal\Core\Link;
use Drupal\Core\Url;

/**
 * Implements hook_views_preview_info_alter().
 */
function jsonapi_views_views_preview_info_alter(&$rows, $executable) {
  // Build JSON:API View path for the current display.
  $jsonapi_base_path = \Drupal::getContainer()->getParameter('jsonapi.base_path');
  $path = implode([
    $jsonapi_base_path,
    'views',
    $executable->id(),
    $executable->current_display,
  ], '/');

  // Build Exposed sort queries.
  $query = [];
  $input = $executable->getExposedInput();
  if ($input['sort_by']) {
    $query['views-sort[sort_by]'] = $input['sort_by'];
  }
  if ($input['sort_order']) {
    $query['views-sort[sort_order]'] = $input['sort_order'];
  }

  // Build Exposed filter queries.
  $display_handler = $executable->getDisplay();
  foreach ($display_handler->view->filter as $filter) {
    if ($filter->isExposed() && $input[$filter->field]) {
      $query["views-filter[{$filter->field}]"] = $input[$filter->field];
    }
  }

  // Build JSON:API View URL.
  $url = Url::fromUri("internal:{$path}");
  $url->setOptions(['query' => $query]);

  // Build render array.
  $rows['query'][] = [
    [
      'data' => [
        '#prefix' => '<strong>',
        '#markup' => t('JSON:API Views'),
        '#suffix' => '</strong>',
      ],
    ],
    [
      'data' => [
        '#markup' => Link::fromTextAndUrl($url->toString(), $url)->toString(),
      ],
    ],
  ];
}