supplier.module

<?php

/**
 * @file
 * Contains supplier.module.
 */

use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Field\BaseFieldDefinition;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Routing\RouteMatchInterface;

const SUPPLIER_ROLE_ID = 'supplier';
const SUPPLIER_FINANCE_ACCOUNT_TYPE = 'supplier';

/**
 * Implements hook_help().
 */
function supplier_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    // Main module help for the supplier module.
    case 'help.page.supplier':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('My Awesome Module') . '</p>';
      return $output;

    default:
  }
}

/**
 * Implements hook_install().
 */
function supplier_install() {
  // 添加权限
  user_role_grant_permissions(SUPPLIER_ROLE_ID, [
    'access toolbar',
    'apply withdraw for own finance account',
    'update own platform commerce_store',
    'update own supplier commerce_store',
    'view account entities',
    'view ledger entities',
    'view platform commerce_store',
    'view supplier commerce_store',
    'view the administration theme',
    'view supplier in toolbar',
    'view withdraw entities'
  ]);
}

/**
 * Implements hook_theme().
 */
function supplier_theme() {
  return [
    'supplier' => [
      'render element' => 'children',
    ],
  ];
}


/**
 * Implements hook_entity_base_field_info_alter()
 *
 * 修改 commerce_store实体的默认字段设置
 */
function supplier_entity_base_field_info_alter(&$fields, EntityTypeInterface $entity_type) {

  /* @var $fields \Drupal\Core\Field\BaseFieldDefinition[] */
  if ($entity_type->id() == 'commerce_store') {

    // 修改默认货币为 RMB
    if (!empty($fields['default_currency'])) {
      $fields['default_currency']
        ->setDefaultValue('CNY');
    }

  }
}


/**
 * Implements hook_form_FORM_ID_alter()
 *
 * FORM_ID: commerce_store_supplier_add_form
 *
 * 在添加供应商时，显示创建登录帐号表单
 *
 * @param $form
 * @param \Drupal\Core\Form\FormStateInterface $form_state
 * @param $form_id
 */
function supplier_form_commerce_store_supplier_add_form_alter(&$form, \Drupal\Core\Form\FormStateInterface $form_state, $form_id) {
  _supplier_add_account_form_elements($form);
}

/**
 * Implements hook_form_FORM_ID_alter()
 *
 * FORM_ID: commerce_store_platform_add_form
 *
 * 在添加自营商家时，显示创建登录帐号表单
 *
 * @param $form
 * @param \Drupal\Core\Form\FormStateInterface $form_state
 * @param $form_id
 */
function supplier_form_commerce_store_platform_add_form_alter(&$form, \Drupal\Core\Form\FormStateInterface $form_state, $form_id) {
  _supplier_add_account_form_elements($form);
}

function _supplier_add_account_form_elements(&$form) {
  $form['account'] = array(
    '#type' => 'fieldset',
    '#title' => t('创建登录账号'),
  );

  // TODO: 检查用户名的可用性和唯一性
  $form['account']['username'] = array(
    '#type' => 'textfield',
    '#title' => t('用户名'),
    '#default_value' => '',
    '#size' => 60,
    '#maxlength' => \Drupal\user\UserInterface::USERNAME_MAX_LENGTH,
    '#description' => t("Several special characters are allowed, including space, period (.), hyphen (-), apostrophe ('), underscore (_), and the @ sign."),
    '#required' => TRUE,
  );

  $form['account']['password'] = array(
    '#type' => 'textfield',
    '#title' => t('密码'),
    '#default_value' => '',
    '#size' => 60,
    '#maxlength' => 128,
    '#required' => TRUE,
  );

  $form['actions']['submit']['#submit'][] = 'supplier_create_supplier_user';
}

/**
 * 创建一个供应商用户
 * @param $form
 * @param FormStateInterface $form_state
 */
function supplier_create_supplier_user($form, FormStateInterface $form_state) {

  // 读取用户名密码
  $form_values = $form_state->getValues();
  $username = \Drupal\Component\Utility\NestedArray::getValue($form_values, $form['account']['username']['#parents']);
  $password = \Drupal\Component\Utility\NestedArray::getValue($form_values, $form['account']['password']['#parents']);
  $email = \Drupal\Component\Utility\NestedArray::getValue($form_values, $form['mail']['widget'][0]['#parents'])['value'];

  $store = $form_state->getFormObject()->getEntity();

  _supplier_create_supplier_resource($store, $username, $password, $email);
}


/**
 * 为一个供应商创建相关资源：登录账号、记账账户
 *
 * @param $store
 * @param $username
 * @param $password
 * @param $email
 * @throws \Drupal\Core\Entity\EntityStorageException
 */
function _supplier_create_supplier_resource($store, $username, $password, $email) {
  // 创建用户
  $language = \Drupal::languageManager()->getCurrentLanguage()->getId();
  $user = \Drupal\user\Entity\User::create();

  $user->setPassword($password);
  $user->enforceIsNew();
  $user->setEmail($email);
  $user->setUsername($username); //This username must be unique and accept only a-Z,0-9, - _ @ .
  $user->addRole(SUPPLIER_ROLE_ID);
  $user->activate();
  $user->save();

  // 把用户 id保存到 供应商的 uid字段
  $store->setOwner($user);
  $store->save();

  // 创建佣金管理账户（调用Finance模块）
  $financeFinanceManager = \Drupal::getContainer()->get('finance.finance_manager');
  $financeFinanceManager->createAccount($user, SUPPLIER_FINANCE_ACCOUNT_TYPE);
}


/**
 * Implements hook_entity_base_field_info().
 */
function supplier_entity_base_field_info(EntityTypeInterface $entity_type) {
  $fields = [];
  if ($entity_type->id() == 'commerce_product_variation') {

    $fields['cost'] = BaseFieldDefinition::create('commerce_price')
      ->setLabel(t('成本价'))
      ->setDescription('用于与商家进行结算的价格，一般比平台实际销售价格要低。')
      ->setRequired(true)
      ->setDisplayOptions('view', [
        'label' => 'inline',
        'type' => 'commerce_price_default'
      ])
      ->setDisplayOptions('form', [
        'type' => 'commerce_price_default'
      ])
      ->setDisplayConfigurable('view', true)
      ->setDisplayConfigurable('form', true);
  }
  return $fields;
}

function supplier_entity_operation(Drupal\Core\Entity\EntityInterface $entity) {
  $operations = [];
  if ($entity->getEntityTypeId() === 'commerce_store') {
    $operations['owner'] = [
      'title' => t('用户帐号'),
      'url' => \Drupal\Core\Url::fromRoute('entity.commerce_store.owner', ['commerce_store' => $entity->id()]),
      'weight' => 20,
    ];
    $operations['finance_account'] = [
      'title' => t('余额账户'),
      'url' => \Drupal\Core\Url::fromRoute('entity.commerce_store.finance_account', ['commerce_store' => $entity->id()]),
      'weight' => 20,
    ];
  }
  return $operations;

}