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<?php
namespace Drupal\pet\Form;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\pet\PetInterface;
use Drupal\user\Entity\User;
class PetPreviewForm extends FormBase {
public function getFormId() {
return 'pet_preview';
}
public function buildForm(array $form, FormStateInterface $form_state, PetInterface $pet = NULL) {
$messenger = \Drupal::messenger();
$body_description = $this
->t('Review and edit standard template before previewing. This will not change the template for future emailings, just for this one. To change the template permanently, go to the template page. You may use the tokens below.');
$storage = $form_state
->getStorage();
if (pet_isset_or($storage['step']) == 3) {
$messenger
->addMessage($this
->t('Email(s) sent'));
$form_state
->setStorage([]);
}
$step = empty($storage['step']) ? 1 : $storage['step'];
$storage['step'] = $step;
$storage['pet'] = $pet;
$nid = $storage['nid'] = pet_is_natural(pet_isset_or($_REQUEST['nid'])) ? $_REQUEST['nid'] : NULL;
$uid = $storage['uid'] = pet_is_natural(pet_isset_or($_REQUEST['uid'])) ? $_REQUEST['uid'] : NULL;
$recipient_callback = $storage['recipient_callback'] = pet_isset_or($_REQUEST['recipient_callback']) === 'true' || pet_isset_or($_REQUEST['uid']) === '0';
switch ($step) {
case 1:
if ($recipient_callback) {
$default_mail = t('Recipient list will be generated for preview.');
}
elseif (pet_isset_or($storage['recipients_raw'])) {
$default_mail = $storage['recipients_raw'];
}
else {
$default_mail = '';
if ($uid) {
if ($account = User::load($uid)) {
$default_mail = $account
->getEmail();
}
else {
$messenger
->addMessage($this
->t('Cannot load a user with uid @uid.', [
'@uid' => $uid,
]), 'error');
}
}
}
$form['recipients'] = [
'#title' => t('To'),
'#type' => 'email',
'#required' => TRUE,
'#default_value' => $default_mail,
'#description' => t('Enter the recipient(s) separated by lines or commas. A separate email will be sent to each, with token substitution if the email corresponds to a site user.'),
'#disabled' => $recipient_callback,
];
$form['copies'] = [
'#title' => t('Copies'),
'#type' => 'details',
'#collapsed' => empty($pet
->getCCDefault()) && empty($pet
->getBCCDefault()),
];
$form['copies']['cc'] = [
'#title' => t('Cc'),
'#type' => 'email',
'#rows' => 3,
'#default_value' => pet_isset_or($storage['cc']) ? $storage['cc'] : $pet
->getCCDefault(),
'#description' => t('Enter any copied emails separated by lines or commas.'),
];
$form['copies']['bcc'] = [
'#title' => t('Bcc'),
'#type' => 'email',
'#rows' => 3,
'#default_value' => pet_isset_or($storage['bcc']) ? $storage['bcc'] : $pet
->getBCCDefault(),
'#description' => t('Enter any blind copied emails separated by lines or commas.'),
];
$form['subject'] = [
'#type' => 'textfield',
'#title' => t('Subject'),
'#maxlength' => 255,
'#default_value' => isset($storage['subject']) ? $storage['subject'] : $pet
->getSubject(),
'#required' => TRUE,
];
if (!(pet_has_mimemail() && $pet
->getSendPlain())) {
$form['mail_body'] = [
'#type' => 'text_format',
'#title' => t('Body'),
'#default_value' => pet_isset_or($storage['mail_body']) ? $storage['mail_body'] : $pet
->getMailbody(),
'#rows' => 15,
'#description' => $body_description,
];
}
if (pet_has_mimemail()) {
$form['mimemail'] = [
'#type' => 'details',
'#title' => t('Plain text body'),
'#collapsible' => TRUE,
'#collapsed' => !(pet_has_mimemail() && $pet->send_plain),
];
$form['mimemail']['mail_body_plain'] = [
'#type' => 'textarea',
'#title' => t('Plain text body'),
'#default_value' => isset($storage['mail_body_plain']) ? $storage['mail_body_plain'] : $pet
->getMailbodyPlain(),
'#rows' => 15,
'#description' => $body_description,
];
}
$form['tokens'] = pet_token_help();
$form['preview'] = [
'#type' => 'submit',
'#value' => t('Preview'),
];
break;
case 2:
$values = $form_state
->getValues();
$form['info'] = [
'#value' => t('A preview of the email is shown below. If you\'re satisfied, click Send. If not, click Back to edit the email.'),
];
$form['recipients'] = [
'#title' => t('To'),
'#type' => 'hidden',
'#required' => TRUE,
'#default_value' => $storage['recipients'],
'#description' => t('Enter the recipient(s) separated by lines or commas. A separate email will be sent to each, with token substitution if the email corresponds to a site user.'),
'#disabled' => $recipient_callback,
];
$form['recipients_display'] = [
'#type' => 'textarea',
'#title' => t('To'),
'#rows' => 4,
'#value' => pet_recipients_formatted($storage['recipients']),
];
if ($values['cc']) {
$form['cc'] = [
'#type' => 'textarea',
'#title' => t('CC'),
'#rows' => 4,
'#value' => $values['cc'],
'#disabled' => TRUE,
];
}
if ($values['bcc']) {
$form['bcc'] = [
'#type' => 'textarea',
'#title' => t('BCC'),
'#rows' => 4,
'#value' => $values['bcc'],
'#disabled' => TRUE,
];
}
$form['subject'] = [
'#type' => 'textfield',
'#title' => t('Subject'),
'#size' => 80,
'#value' => $storage['subject_preview'],
'#disabled' => TRUE,
];
if (!pet_has_mimemail() || !$pet
->getSendPlain()) {
$form['body_label'] = [
'#prefix' => '<div class="pet_body_label">',
'#suffix' => '</div>',
'#markup' => '<label>' . t('Body as HTML') . '</label>',
];
$form['body_preview'] = [
'#prefix' => '<div class="pet_body_preview">',
'#suffix' => '</div>',
'#markup' => $storage['body_preview'],
];
$form['mail_body'] = [
'#type' => 'textarea',
'#title' => t('Body'),
'#rows' => 15,
'#value' => $storage['body_preview'],
'#disabled' => TRUE,
];
}
$plain_text = trim($storage['body_preview_plain']);
if (pet_has_mimemail() && ($pet
->getSendPlain() || !empty($plain_text))) {
$form['mail_body_plain'] = [
'#type' => 'textarea',
'#title' => t('Plain text body'),
'#rows' => 15,
'#value' => $storage['body_preview_plain'],
'#disabled' => TRUE,
];
}
$form['back'] = [
'#type' => 'submit',
'#value' => t('Back'),
'#submit' => [
'::stepBack',
],
];
$form['submit'] = [
'#type' => 'submit',
'#value' => t('Send email(s)'),
];
break;
}
$form_state
->setStorage($storage);
return $form;
}
public function validateForm(array &$form, FormStateInterface $form_state) {
$recipients_raw = $form_state
->getValue('recipients');
$recipients = [];
$errors = $this
->pet_validate_recipients($form_state, $recipients);
if (!empty($errors)) {
foreach ($errors as $error) {
$form_state
->setErrorByName('recipients', $error);
}
}
else {
$form_state
->setValue('recipients', $recipients);
$form_state
->setValue('recipients_raw', $recipients_raw);
}
}
public function submitForm(array &$form, FormStateInterface $form_state) {
$storage = $form_state
->getStorage();
$step = empty($storage['step']) ? 1 : $storage['step'];
$storage['step'] = $step;
$values = $form_state
->getValues();
switch ($step) {
case 1:
$form_state
->setRebuild(TRUE);
$storage['recipients_raw'] = $values['recipients'];
$storage['recipients'] = $values['recipients'];
$storage['subject'] = $values['subject'];
$storage['mail_body'] = pet_isset_or($values['mail_body']);
$storage['mail_body_plain'] = pet_isset_or($values['mail_body_plain']);
$storage['cc'] = $values['cc'];
$storage['bcc'] = $values['bcc'];
$form_state
->setStorage($storage);
$this
->pet_make_preview($form_state);
$storage = $form_state
->getStorage();
break;
case 2:
$form_state
->setRebuild(TRUE);
$pet = $storage['pet'];
$recipients = $storage['recipients'];
$options = [
'nid' => $storage['nid'],
'subject' => $storage['subject'],
'body' => $storage['mail_body'],
'body_plain' => $storage['mail_body_plain'],
'from' => NULL,
'cc' => $storage['cc'],
'bcc' => $storage['bcc'],
];
pet_send_mail($pet
->id(), $recipients, $options);
break;
}
$storage['step']++;
$form_state
->setStorage($storage);
}
public function pet_make_preview(FormStateInterface &$form_state) {
$values = $form_state
->getValues();
$storage = $form_state
->getStorage();
$params = [
'pet_uid' => is_array($storage['recipients']) ? $storage['recipients'][0]['uid'] : NULL,
'pet_nid' => $storage['nid'],
];
$subs = pet_substitutions($storage['pet'], $params);
$token = \Drupal::token();
$storage['subject_preview'] = $token
->replace($values['subject'], $subs);
$storage['body_preview'] = $token
->replace(pet_isset_or($values['mail_body']['value']), $subs);
$storage['body_preview_plain'] = $token
->replace(pet_isset_or($values['mail_body_plain']['value']), $subs);
$form_state
->setStorage($storage);
}
public function stepBack(array &$form, FormStateInterface $form_state) {
$form_state
->setRebuild(TRUE);
$form_state
->set('step', 1);
}
function pet_validate_recipients(FormStateInterface $form_state, &$recipients) {
$errors = [];
$recipients = [];
if ($form_state
->getValue('recipient_callback')) {
$mails = pet_callback_recipients($form_state);
if (!is_array($mails)) {
$errors[] = t('There is no recipient callback defined for this template or it is not returning an array.');
return $errors;
}
}
else {
$mails = pet_parse_mails($form_state
->getValue('recipients'));
}
foreach ($mails as $mail) {
if (!\Drupal::service('email.validator')
->isValid($mail)) {
$errors[] = t('Invalid email address found: %mail.', [
'%mail' => $mail,
]);
}
else {
$recipients[] = [
'mail' => $mail,
'uid' => pet_lookup_uid($mail),
];
}
}
if (empty($errors) && count($recipients) < 1) {
$errors[] = t('There are no recipients for this email.');
}
return $errors;
}
function pet_callback_recipients(FormStateInterface $form_state) {
$callback = $form_state
->getValue('recipient_callback');
if (!empty($callback)) {
if (function_exists($callback)) {
$recipients = $callback();
if (isset($recipients) && is_array($recipients)) {
$new_recipients = [];
foreach ($recipients as $recipient) {
$recipient = preg_replace('/^[0-9]*\\|/', '', $recipient);
$new_recipients[] = $recipient;
}
return $new_recipients;
}
}
}
return NULL;
}
}
