function amp_requirements in Accelerated Mobile Pages (AMP) 8.3

Same name and namespace in other branches

1. 8 amp.install \amp_requirements()
2. 8.2 amp.install \amp_requirements()
3. 7 amp.install \amp_requirements()

Implements hook_requirements().

File

./amp.install, line 15

Code

function amp_requirements($phase) {
  $requirements = [];
  if (!class_exists('\\Lullabot\\AMP\\AMP')) {
    $requirements['amp_library'] = [
      'title' => t('AMP'),
      'value' => t('Not available'),
      'description' => t('The AMP module requires the PHP <a href="@library">AMP library</a>.', [
        '@library' => 'https://github.com/Lullabot/amp-library',
      ]),
      'severity' => REQUIREMENT_ERROR,
    ];
  }
  if ($phase == 'runtime') {
    $theme_handler = \Drupal::service('theme_handler');

    // Check the version of AMPTheme by looking for a deprecated function.
    if (function_exists('amptheme_preprocess_username')) {
      $requirements['amptheme'] = [
        'title' => t('AMPTheme 8.3'),
        'value' => t('Not installed'),
        'description' => t('The AMP 8.3 will not work with <a href="@theme">AMPTheme 8.1</a>. Please confirm that the right version is installed.', [
          '@theme' => 'https://www.drupal.org/project/amptheme',
        ]),
        'severity' => REQUIREMENT_WARNING,
      ];
    }
    elseif ($theme_handler
      ->themeExists('amptheme')) {
      $requirements['amptheme'] = [
        'title' => t('AMPTheme 8.3'),
        'value' => t('Installed'),
        'description' => t('AMP 8.3 will not work with <a href="@theme">AMPTheme 8.1</a>. ', [
          '@theme' => 'https://www.drupal.org/project/amptheme',
        ]),
        'severity' => REQUIREMENT_OK,
      ];
    }
    $module_handler = \Drupal::service('module_handler');

    // Schema Metatag has been added as a dependency, but if AMP was
    // installed earlier this could still be missing.
    if (!$module_handler
      ->moduleExists('schema_metatag')) {
      $requirements['amp_schema_metatag'] = [
        'title' => t('Schema.org Metatag'),
        'value' => t('Not installed'),
        'description' => t('To create valid AMP you will also need to download, install, and configure the <a href="@module">Schema.org Metatag</a> module.', [
          '@module' => 'https://www.drupal.org/project/schema_metatag',
        ]),
        'severity' => REQUIREMENT_ERROR,
      ];
    }
    else {
      $requirements['amp_schema_metatag'] = [
        'title' => t('Schema.org Metatag'),
        'value' => t('Installed'),
        'description' => t('To create valid AMP you will also need to download, install, and configure the <a href="@module">Schema.org Metatag</a> module.', [
          '@module' => 'https://www.drupal.org/project/schema_metatag',
        ]),
        'severity' => REQUIREMENT_OK,
      ];
    }
    if ($module_handler
      ->moduleExists('rdf') && !$module_handler
      ->moduleExists('amp_rdf')) {
      $requirements['amp_rdf'] = [
        'title' => t('AMP RDF'),
        'value' => t('Not installed'),
        'description' => t('AMP RDF required by AMP when the RDF module is enabled.'),
        'severity' => REQUIREMENT_ERROR,
      ];
    }
    elseif ($module_handler
      ->moduleExists('rdf')) {
      $requirements['amp_rdf'] = [
        'title' => t('AMP RDF'),
        'value' => t('Installed'),
        'description' => t('AMP RDF required by AMP when the RDF module is enabled.'),
        'severity' => REQUIREMENT_OK,
      ];
    }
    if ($module_handler
      ->moduleExists('toolbar') && !$module_handler
      ->moduleExists('amp_toolbar')) {
      $requirements['amp_toolbar'] = [
        'title' => t('AMP Toolbar'),
        'value' => t('Not installed'),
        'description' => t('AMP Toolbar required by AMP when the Toolbar module is enabled.'),
        'severity' => REQUIREMENT_ERROR,
      ];
    }
    elseif ($module_handler
      ->moduleExists('toolbar')) {
      $requirements['amp_toolbar'] = [
        'title' => t('AMP Toolbar'),
        'value' => t('Installed'),
        'description' => t('AMP Toolbar required by AMP when the Toolbar module is enabled.'),
        'severity' => REQUIREMENT_OK,
      ];
    }
  }
  return $requirements;
}