commerce_invoice_mail.module in Commerce Invoice 7.2

The Commerce Invoice PDF module.

File

modules/mail/commerce_invoice_mail.module

<?php

/**
 * @file
 * The Commerce Invoice PDF module.
 */
use Drupal\commerce_invoice\Entity\Invoice;
function commerce_invoice_mail_send(Invoice $invoice, $to = '') {
  $subject = variable_get('commerce_invoice_mail_subject', '');
  $body = variable_get('commerce_invoice_mail_body', '');
  $attachments = [];
  if (variable_get('commerce_invoice_mail_attach_pdf_invoice', TRUE)) {
    $attachments = commerce_invoice_mail_pdf_prepare($invoice);
  }

  // Get the invoice owner
  // @todo: Do I want this empty object here?
  $owner = new stdClass();
  if (!empty($invoice->uid)) {
    $owner = $invoice
      ->wrapper()->owner
      ->value();
    $to = $owner->mail;
  }

  // @todo: Add "Order owner" as a fallback.
  $owner_language = user_preferred_language($owner);

  // Replace tokens
  $subject = token_replace($subject, [
    'user' => $owner,
    'commerce_invoice' => $invoice,
  ]);
  $body = token_replace($body, [
    'user' => $owner,
    'commerce_invoice' => $invoice,
  ]);

  // Set mail values.
  $params = [
    'subject' => $subject,
    'body' => $body,
    'plain' => !empty(variable_get('commerce_invoice_mail_plaintext', FALSE)),
    'attachments' => $attachments,
    'headers' => [
      'cc' => trim(variable_get('commerce_invoice_mail_cc', '')),
      'bcc' => trim(variable_get('commerce_invoice_mail_bcc', '')),
    ],
    'context' => [
      'subject' => $subject,
      'body' => $body,
      'invoice' => $invoice,
    ],
  ];

  // Remove the Bcc and Cc headers if they are empty, else this will crash phpmailer and maybe other modules.
  if (empty($params['headers']['cc'])) {
    unset($params['headers']['cc']);
  }
  if (empty($params['headers']['bcc'])) {
    unset($params['headers']['bcc']);
  }
  $from = variable_get('commerce_invoice_mail_from', variable_get('site_mail', ini_get('sendmail_from')));
  $mailkey = 'commerce_invoice_send_order_invoice';
  $send = TRUE;

  // Send mail.
  $message = drupal_mail('commerce_invoice_mail', $mailkey, $to, $owner_language, $params, $from, $send);
  if (!$message['result']) {
    watchdog('commerce_invoice_mail', 'Error sending e-mail (from %from to %to).', array(
      '%from' => $message['from'],
      '%to' => $message['to'],
    ), WATCHDOG_ERROR);
    drupal_set_message(t('Unable to send e-mail. Contact the site administrator if the problem persists.'));
    return FALSE;
  }
  return TRUE;
}

/**
 * Helper function to prepare the invoice mail.
 *
 * @param   Invoice $invoice Invoice object.
 * @return  array               Email attachments.
 */
function commerce_invoice_mail_pdf_prepare(Invoice $invoice) {
  if (module_exists('commerce_invoice_pdf')) {
    module_load_include('module', 'commerce_invoice_pdf');
  }
  else {
    drupal_set_message(t('PDF email attachment could not be created, because commerce_invoice_pdf is disabled.'), 'error');
    return [];
  }
  $file = commerce_invoice_pdf_create($invoice);
  $file_content = file_get_contents(drupal_realpath($file->uri));
  $attachments = [];
  $attachments[] = array(
    'filecontent' => $file_content,
    // we use a dynamically created file.
    'filename' => $file->filename,
    // can use any alias name here
    'name' => $file->filename,
    // required for mandril and other libraries.
    'filemime' => $file->filemime,
    // mime file type
    'type' => $file->filemime,
    // required for mandril and other libraries
    'list' => TRUE,
  );
  return $attachments;
}

/**
 * Implements hook_mail().
 */
function commerce_invoice_mail_mail($key, &$message, $params) {
  switch ($key) {
    default:
      if (isset($params['subject'])) {
        $message['subject'] = $params['subject'];
      }
      if (isset($params['body'])) {
        $message['body'][] = $params['body'];
      }
      if (isset($params['headers']) && is_array($params['headers'])) {
        $message['headers'] = array_merge($message['headers'], $params['headers']);
      }
      if (isset($params['plain'])) {
        $message['plain'] = $params['plain'];
      }
      if (isset($params['attachments'])) {
        $message['attachments'][] = $params['attachments'];
      }
      break;
  }
}

Functions

Name	Description
commerce_invoice_mail_mail	Implements hook_mail().
commerce_invoice_mail_pdf_prepare	Helper function to prepare the invoice mail.
commerce_invoice_mail_send