price.module in Price 2.0.x

Defines the functionalities for the 'price' module.

File

price.module

<?php

/**
 * @file
 * Defines the functionalities for the 'price' module.
 */
use Drupal\language\Entity\ConfigurableLanguage;
use Drupal\price\Plugin\Field\FieldFormatter\PriceCalculatedFormatter;
use Drupal\Core\Field\BaseFieldDefinition;
use Drupal\Core\Form\FormStateInterface;
use Drupal\views\Plugin\views\field\EntityField;
use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_help().
 */
function price_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.price':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('Price field with currencies.') . '</p>';
      $output .= '<p>' . t('Use bellow links to add new currency to your project.') . '</p>';
      $output .= '<p>' . t('Started as a decoupling commerce_price from commerce.') . '</p>';
      return $output;
  }
}

/**
 * Implements hook_theme().
 */
function price_theme() {
  return [
    'price_plain' => [
      'variables' => [
        'number' => 0,
        'currency' => NULL,
      ],
      'template' => 'price-plain',
    ],
    'price_calculated' => [
      'variables' => [
        'calculated_price' => NULL,
        'entity' => NULL,
      ],
    ],
  ];
}

/**
 * Implements hook_ENTITY_TYPE_insert() for 'configurable_language'.
 */
function price_configurable_language_insert(ConfigurableLanguage $language) {
  if (!\Drupal::isConfigSyncing()) {

    // Import currency translations for the new language.
    $importer = \Drupal::service('price.currency_importer');
    $importer
      ->importTranslations([
      $language
        ->getId(),
    ]);
  }
}

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * Removes the "Calculated price" formatter from views field options, if
 * it is not applicable. Since the formatter is entity specific,
 * this prevents it from accidentally being used on other entity types.
 *
 * @todo Remove when https://www.drupal.org/node/2991660 gets fixed.
 */
function price_form_views_ui_config_item_form_alter(&$form, FormStateInterface $form_state) {

  /** @var \Drupal\views\Plugin\views\field\EntityField $handler */
  $handler = $form_state
    ->get('handler');
  if ($handler instanceof EntityField && !empty($handler->definition['entity_type'])) {
    $entity_type_id = $handler->definition['entity_type'];
    $field_name = $handler->definition['field_name'];

    /** @var \Drupal\Core\Entity\EntityFieldManagerInterface $field_manager */
    $field_manager = \Drupal::service('entity_field.manager');
    $field_definitions = $field_manager
      ->getFieldStorageDefinitions($entity_type_id);
    $field_definition = $field_definitions[$field_name] ?? NULL;
    if (!$field_definition || $field_definition
      ->getType() != 'price') {
      return;
    }

    // Remove the formatter from configurable fields, and non-applicable ones.
    if (!$field_definition instanceof BaseFieldDefinition || !PriceCalculatedFormatter::isApplicable($field_definition)) {
      unset($form['options']['type']['#options']['price_calculated']);
    }
  }
}

Functions

Name	Description
price_configurable_language_insert	Implements hook_ENTITY_TYPE_insert() for 'configurable_language'.
price_form_views_ui_config_item_form_alter	Implements hook_form_FORM_ID_alter().
price_help	Implements hook_help().
price_theme	Implements hook_theme().