Replace mimemail dependency (#2183235) · Issues · project / commerce_billy_mail

Replace mimemail dependency

>>> [!note] Migrated issue   Reported by: [cjoy](https://www.drupal.org/user/1502360) >>> The module declares a strict dependency on mimemail, which is not quite the case: If the user chooses not to attach invoices to the mail (commerce_billy_mail_attach_pdf_invoice setting), there is no dependency at all. In case attachments are required, any MailSystemInterface class capable of dealing with attachments can be used, not just mimemail. I would suggest to remove the hard dependency from the .info and instead use hook_requirements(). Availability of modules that implement known to work MailSystemInterface classes (mimemail, smtp, others?) could be checked install and a warning issued if no such module is found: <div class="codeblock"> <pre><?php // commerce_billy_mail.install /**  * Implements hook_requirements().  */   function commerce_billy_mail_requirements($phase) {     $requirements = array();     $t = get_t();     if ($phase == 'install') {       if (!module_exists('mimemail') && !module_exists('smtp')) {         $requirements['c_b_m_mailsystem'] = array(           'title'       => 'Commerce Billy Mail',           'description' => $t('To send invoices as e-mail attachments, the installation of <a href="https://drupal.org/project/mimemail">Mime Mail</a> or <a href="https://drupal.org/project/smtp">smtp</a> is required.'),           'severity'    => REQUIREMENT_WARNING,         );       }     }   return $requirements; } ?></pre></div> One could also consider to make the check at runtime phase and only trigger a warning if commerce_billy_mail_attach_pdf_invoice is enabled and the MailSystemInterface class assigned to commerce_billy_mail does not match the whitelist. In any case, I feel this could be covered by documentation and notices/warnings, rather than a hard dependency on a single module that is not really required.

issue

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