comment_notify.module 27.1 KB
Newer Older
1 2 3 4 5
<?php
// $Id$

/**
 * @file
6 7
 *
 * This module provides comment follow-up e-mail notification for anonymous and registered users.
8 9
 */

10 11 12 13 14 15 16 17 18 19 20 21 22 23
define('AUTHOR_MAILTEXT',
'Hi !name,

You have received a comment on: "!node_title"

You can view the comment at the following url
!comment_url

You will receive emails like this for all replies to your posts. You can disable this by logging in and going to your account settings.

Webmaster of !site
!mission
!uri');

24 25
define('DEFAULT_MAILTEXT',
'Hi !name,
26

27
!commname has commented on: "!node_title"
28 29 30

The post is about
----
31
!node_teaser
32 33 34
----

You can view the comment at the following url
35
!comment_url
36

37
You can stop receiving emails when someone replies to this post,
38
by going to !link1
39

40
If you have auto-following enabled in your account, you will receive emails like this for all replies to a blog post you commented on. You can disable this by logging in and going to your account settings or unchecking the flag at the time you post the comment.
41

42
You can set up auto-following feature for all future posts
43
by creating your own user with a few clicks here !uri/user/register
44 45 46

Thanks for your feedback,

47 48 49
Webmaster of !site
!mission
!uri');
50

51 52 53 54
define('COMMENT_NOTIFY_DISABLED', 0);
define('COMMENT_NOTIFY_NODE', 1);
define('COMMENT_NOTIFY_COMMENT', 2);

55 56 57
/**
 * Implementation of hook_help().
 */
58 59
function comment_notify_help($path, $arg) {
  switch ($path) {
60
    case 'admin/modules#description':
61
      return t('Comment follow-up e-mail notification for anonymous and registered users.');
62 63 64 65
      break;
  }
}

66
/**
67
 * Insert our checkbox, add a submit button, and populate fields.
68
 */
69
function comment_notify_form_alter(&$form, &$form_state, $form_id) {
70 71
  global $user;

72
  // Only do alter the form if it's a comment form and the user has the permission to subscribe
73
  if ($form_id != 'comment_form' || !user_access('subscribe to comments')) {
74 75
    return;
  }
76

77 78
  // Only add the checkbox if this is an enabled content type
  $node = node_load($form['nid']['#value']);
79 80
  $enabled_types = variable_get('comment_notify_node_types', array($node->type => TRUE));
  if (empty($enabled_types[$node->type])) {
81
    return;
82
  }
83

84 85 86
  drupal_add_css(drupal_get_path('module', 'comment_notify') .'/comment_notify.css');
  drupal_add_js(drupal_get_path('module', 'comment_notify') .'/comment_notify.js');

87
  $total_options = array(
88 89
    COMMENT_NOTIFY_NODE     => t('All comments'),
    COMMENT_NOTIFY_COMMENT  => t('Replies to my comment')
90
  );
91
  $options = variable_get('comment_notify_available_alerts', array(COMMENT_NOTIFY_NODE => COMMENT_NOTIFY_NODE, COMMENT_NOTIFY_COMMENT => COMMENT_NOTIFY_COMMENT));
92
  foreach ($options as $key => $available) {
93
    if ($key == $available) {
94 95 96
      $available_options[$available] = $total_options[$available];
    }
  }
97

98
  // Add the checkbox for anonymous users and set the default based on admin settings.
99
  if ($user->uid == 0) {
100
    // If anonymous user's can't enter their e-mail don't tempt them with the checkbox.
101 102 103
    if (empty($form['mail'])) {
      return;
    }
104
    $preference = variable_get('comment_notify_default_anon_mailalert', COMMENT_NOTIFY_DISABLED);
105
  }
106 107
  else {
    $user_preference = db_result(db_query("SELECT comment_notify FROM {comment_notify_user_settings} WHERE uid = %d", $user->uid));
108
    $preference = !empty($user_preference) ? $user_preference : variable_get('comment_notify_default_registered_mailalert', COMMENT_NOTIFY_DISABLED);
109 110
  }

111
  // If you want to hide this on your site see http://drupal.org/node/322482
112
  $form['notify_open'] = array('#value' => '<div id="comment-notify">');
113
  $form['notify'] = array(
114 115 116 117 118
    '#type' => 'checkbox',
    '#title' => t('Notify me when new comments are posted'),
    '#default_value' => $preference,
  );

119 120 121 122
  if (count($available_options) > 1) {
    $form['notify_type'] = array(
      '#type' => 'radios',
      '#options' => $available_options,
123
      '#default_value' => $preference,
124 125 126 127 128
    );
  }
  else {
    $form['notify_type'] = array(
      '#type' => 'hidden',
129
      '#default_value' => key($available_options),
130 131
    );
  }
132

133
  // If this is an existing comment we set the default value based on their selection last time.
134
  if ($form['cid']['#value'] != '') {
135 136
    $notify = db_result(db_query("SELECT notify FROM {comment_notify} WHERE cid = %d", $form['cid']['#value']));
    $form['notify']['#default_value'] = $notify;
137 138 139 140 141 142
    if (count($available_options) > 1) {
      $form['notify_type']['#default_value'] = $notify;
    }
    else {
      $form['notify_type']['#default_value'] = key($available_options);
    }
143
  }
144
  $form['notify_close'] = array('#value' => '</div>', '#weight' => 9);
145
}
146

147
/**
148
 * Implementation of hook_perm().
149 150
 */
function comment_notify_perm() {
151
  return array('administer comment notify', 'subscribe to comments');
152
}
153 154 155 156

/**
 * Implementation of hook_menu().
 */
157 158 159
function comment_notify_menu() {

  $items['admin/settings/comment_notify'] = array(
160
    'title' => 'Comment notify',
161 162 163
    'description' => 'Configure settings for e-mails about new comments.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('comment_notify_settings'),
164
    'access arguments' => array('administer comment notify'),
165
    'type' => MENU_NORMAL_ITEM,
166
  );
167
  $items['admin/settings/comment_notify/settings'] = array(
168 169 170 171
    'title' => 'Settings',
    'description' => 'Configure settings for e-mails about new comments.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('comment_notify_settings'),
172
    'access arguments' => array('administer comment notify'),
173 174
    'type' => MENU_DEFAULT_LOCAL_TASK,
  );
175

176 177 178 179 180 181
  $items['admin/settings/comment_notify/unsubscribe'] = array(
    'title' => 'Unsubscribe',
    'description' => 'Unsubscribe an email from all notifications.',
    'weight' => 2,
    'page callback' => 'drupal_get_form',
    'page arguments' => array('comment_notify_unsubscribe'),
182
    'access arguments' => array('administer comment notify'),
183 184 185 186 187 188 189 190
    'type' => MENU_LOCAL_TASK,
  );
  $items['comment_notify'] = array(
    'title' => 'comment notify',
    'page callback' => 'comment_notify_page',
    'access arguments' => array('access content'),
    'type' => MENU_CALLBACK
  );
191 192 193 194

  return $items;
}

195 196 197
/**
 * Page callback to allow users to unsubscribe simply by visiting the page.
 */
198 199 200
function comment_notify_page() {
  global $user;

201 202
  $op = $_POST['op'];
  $edit = $_POST['edit'];
203

204
  $page_content = ' ';
205 206 207 208 209 210 211
  if (empty($op)) {
    $op = arg(1);
  }
  $arg = arg(2);

  switch ($op) {
    case 'disable':
212
      $key = $arg;
213
      db_query("UPDATE {comment_notify} SET notify = 0 WHERE notify_hash = '%s'", $arg);
214 215 216

      drupal_set_message(t('Your comment follow-up notification for this post was disabled. Thanks.'));
      $title = t('Disabled comment follow-up notification feature for this post.');
217 218
      break;
    default;
219
      $title = t('Comment notify');
220 221
      break;
  }
222

223
  drupal_set_title($title);
224
  return $page_content;
225 226
}

227
/**
228
 * Implementation of hook_comment().
229 230 231 232
 */
function comment_notify_comment($comment, $op) {
  global $user;

233 234
  // In theory, the update or insert operations are duplicates with publish which
  // would lead to duplicate messages.  _comment_notify_mailalert() protects against that.
235
  switch ($op) {
236
    case 'validate':
237 238
       // We assume that if they are non-anonymous then they have a valid mail.
       // For anonymous users, though, we verify that they entered a mail and let comment.module validate it is real.
239 240 241 242
      if (!$user->uid && $comment['notify'] && empty($comment['mail'])) {
        form_set_error('mail', t('If you want to subscribe to comments you must supply a valid e-mail address.'));
      }
      break;
243 244 245 246
    case 'publish':
      // And send notifications - the real purpose of the module.
      _comment_notify_mailalert($comment);
      break;
247
    case 'update':
248
      // In case they have changed their status, save it in the database.
249
      $sql = 'UPDATE {comment_notify} SET notify = %d WHERE cid = %d';
250 251 252 253 254 255
      if ($comment['notify']) {
        db_query($sql, $comment['notify_type'], $comment['cid']);
      }
      else {
        db_query($sql, 0, $comment['cid']);
      }
256 257 258 259
      // And send notifications - the real purpose of the module.
      if ($comment['status'] == COMMENT_PUBLISHED) {
        _comment_notify_mailalert($comment);
      }
260
      break;
261
    case 'insert':
262
      // For new comments, we first build up a string to be used as the identifier for the alert
263
      $mail = empty($comment['mail']) ? $user->mail : $comment['mail'];
264
      $notify_hash = drupal_get_token($mail . $comment['cid']);
265 266 267 268

      if ($comment['notify']) {
        $notify = $comment['notify_type'];
        $current = db_result(db_query("SELECT count(1) from {comment_notify_user_settings} WHERE uid = %d", $user->uid));
269
        if ($current == 0 && $user->uid) {
270 271 272 273 274 275
          db_query("INSERT INTO {comment_notify_user_settings} (uid, comment_notify) VALUES (%d, %d)", $user->uid, $comment['notify_type']);
        }
      }
      else {
        $notify = $comment['notify'];
      }
276
      // And then save the data.
277 278
      db_query("INSERT INTO {comment_notify} (cid, notify, notify_hash) values (%d, %d, '%s')", $comment['cid'], $notify, $notify_hash);

279 280 281 282
      // And send notifications - the real purpose of the module.
      if ($comment['status'] == COMMENT_PUBLISHED) {
        _comment_notify_mailalert($comment);
      }
283
      break;
284 285 286
    case 'delete':
      db_query("DELETE FROM {comment_notify} WHERE cid = %d", $comment->cid);
      break;
287 288 289 290 291 292 293 294 295
  }
}

/**
 * Implementation of hook_user().
 */
function comment_notify_user($type, &$edit, &$user, $category = NULL) {
  switch ($type) {
    case 'form':
296
      if ($category == 'account' && user_access('subscribe to comments', $user)) {
297 298
        $form = array();
        $form['comment_notify_settings'] = array(
299 300 301 302 303 304
          '#type' => 'fieldset',
          '#title' => t('Comment follow-up notification settings'),
          '#weight' => 4,
          '#collapsible' => TRUE
        );

305 306 307 308 309 310 311
        $form['comment_notify_settings']['node_notify_mailalert'] = array(
          '#type' => 'checkbox',
          '#title' => t('Receive node follow-up notification e-mails'),
          '#default_value' => isset($edit['node_notify_mailalert']) ? $edit['node_notify_mailalert'] : FALSE,
          '#description' => t('Check this box to receive an e-mail notification for follow-ups on your nodes (pages, forum topics, etc). You can not disable notifications for individual threads.')
        );

312
        $form['comment_notify_settings']['comment_notify_mailalert'] = array(
313
          '#type' => 'select',
314
          '#title' => t('Receive comment follow-up notification e-mails'),
315
          '#default_value' => isset($edit['comment_notify_mailalert']) ? $edit['comment_notify_mailalert'] : variable_get('comment_notify_default_registered_mailalert', COMMENT_NOTIFY_DISABLED),
316 317
          '#options' => array(
            COMMENT_NOTIFY_DISABLED => t('No notifications'),
318 319
            COMMENT_NOTIFY_NODE     => t('All comments'),
            COMMENT_NOTIFY_COMMENT  => t('Replies to my comment')
320
          ),
321
          '#description' => t("Check this box to receive e-mail notification for follow-up comments to comments you posted. You can later disable this on a post-by-post basis... so if you leave this to YES, you can still disable follow-up notifications for comments you don't want follow-up mails anymore - i.e. for very popular posts.")
322
        );
323 324
        return $form;
      }
325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343
      break;

    case 'submit':
      // Save the values of node_notify_mailalert and comment_notify_mailalert
      // to {comment_notify_user_settings}.
      if (db_result(db_query('SELECT uid FROM {comment_notify_user_settings} WHERE uid = %d', $user->uid))) {
        db_query('UPDATE {comment_notify_user_settings} SET node_notify = %d, comment_notify = %d WHERE uid = %d', $edit['node_notify_mailalert'], $edit['comment_notify_mailalert'], $user->uid);
      }
      else {
        db_query('INSERT INTO {comment_notify_user_settings} (uid, node_notify, comment_notify) VALUES (%d, %d, %d)', $user->uid, $edit['node_notify_mailalert'], $edit['comment_notify_mailalert']);
      }

      // Unset them from $user so they don't also get saved into {users}.data.
      unset($edit['node_notify_mailalert']);
      unset($edit['comment_notify_mailalert']);
      break;

    case 'load':
      $user_settings = db_fetch_array(db_query('SELECT node_notify AS node_notify_mailalert, comment_notify AS comment_notify_mailalert FROM {comment_notify_user_settings} WHERE uid = %d', $user->uid));
344 345 346 347
      if (!empty($user_settings)) {
        foreach ($user_settings as $property => $value) {
          $user->$property = $value;
        }
348 349 350 351 352 353
      }
      break;

    case 'delete':
      db_query('DELETE FROM {comment_notify_user_settings} WHERE uid = %d', $user->uid);
      break;
354

355 356 357 358
      break;
  }
}

359 360
/**
 * Private function to send the notifications.
greggles's avatar
greggles committed
361
 *
362 363 364
 * @param $comment
 *   The comment array as found in hook_comment $op = publish.
 */
365 366
function _comment_notify_mailalert($comment) {
  $comment = (object) $comment;
367
  global $language;
368
  global $base_url;
369
  global $user;
370

371 372 373 374 375 376 377 378 379 380
  $nid = $comment->nid;
  $cid = $comment->cid;

  // Check to see if a notification has already been sent for this
  // comment so that edits to a comment don't trigger an additional
  // notification.
  if (db_result(db_query('SELECT cid from {comment_notify} WHERE cid = %d AND notified = %d', $cid, 1))) {
    return;
  }

381
  $initial_language = $language;
382

383
  if (function_exists('locale')) {
384
    $languages = locale_language_list();
385 386 387
    $languages = $languages['name'];
  }

388 389
  $node = node_load($nid);
  if (!isset($comment->mail)) {
390
    $comment_account = user_load(array('name' => $comment->name));
391 392 393 394 395
    $comment_mail = $comment_account->mail;
  }
  else {
    $comment_mail = $comment->mail;
  }
396 397 398 399
  $sent_to = array();

  // Send to a subscribed author if they are not the current commenter
  $author = user_load(array('uid' => $node->uid));
400
  if (!empty($author->node_notify_mailalert) && $author->node_notify_mailalert == 1 && $user->uid != $author->uid) {
401 402 403 404
    // Get the author's language.
    $language = user_preferred_language($author);
    $message['subject'] = t('!site :: new comment for your post.', array('!site' => variable_get('site_name', 'drupal')));
    $message['body'] = t(
405 406
      variable_get('node_notify_default_mailtext', AUTHOR_MAILTEXT),
      array(
407 408 409
        '!commname' => $comment->name,
        '!commtext' => $comment->comment,
        '!commsubj' => $comment->subject,
410
        '!comment_url' => url('node/'. $nid, array('absolute' => TRUE, 'fragment' => 'comment-'. $cid)),
411 412 413 414 415 416 417
        '!node_title' =>  $node->title,
        '!node_teaser' => $node->teaser,
        '!mission' => variable_get('site_mission', ''),
        '!node_body' =>  $node->body,
        '!name' => $author->name,
        '!site' => variable_get('site_name', 'drupal'),
        '!uri' => $base_url,
418
        '!uri_brief' => preg_replace('!^https?://!', '', $base_url),
419
        '!date' => format_date(time()),
420
        '!login_uri' => url('user', array('absolute' => TRUE)),
421
        '!edit_uri' => url('user/'. $author->uid .'/edit', array('absolute' => TRUE))
422 423
      )
    );
424
    drupal_mail('comment_notify', 'comment_notify_mail', $author->mail, $language, $message);
425 426
    $sent_to[] = $author->mail;
  }
427

428 429 430
  // For "reply to my comments" notifications, figure out what thread this is.
  $thread = db_result(db_query("SELECT thread FROM {comments} WHERE cid = %d", $cid));

431
  //Get the list of commenters to notify
432
  $result = db_query("SELECT DISTINCT c.cid, c.uid, c.name, c.nid, c.mail AS cmail, u.mail AS umail, u.init AS uinit, c.uid, c.name, cn.notify, cn.notify_hash, c.thread
433
    FROM {comments} c INNER JOIN {comment_notify} cn on c.cid = cn.cid LEFT OUTER JOIN {users} u ON c.uid = u.uid
434
    WHERE nid = %d AND cn.notify > 0 AND c.status = 0 AND (u.status = 1 OR u.uid = 0)", $nid
435
  );
436
  // TODO? the original big query had stuff making sure the mail was populated and contained .+@.+ Perhaps check for that here and set notify = 0 if that is the case for this cid
437

438
  while ($alert = db_fetch_object($result)) {
439 440 441
    $umail = empty($alert->umail) ? $alert->uinit : $alert->umail;
    $mail = empty($alert->cmail) ? $umail : $alert->cmail;

442 443
    $relevant_thread = substr($thread, 0, drupal_strlen($alert->thread) -1);
    if ($alert->notify == COMMENT_NOTIFY_COMMENT && strcmp($relevant_thread . '/', $alert->thread) != 0) {
444
      continue;
445
    }
446
    if ($mail != $comment_mail && !in_array($mail, $sent_to) && $alert->uid != $comment->uid) {
447 448
      $message = array();
      if (!empty($alert->uid)) {
greggles's avatar
greggles committed
449
        $recipient_user = user_load(array('uid' => $alert->uid));
450 451 452 453
        $language = user_preferred_language($recipient_user);
      }
      else {
        $language = language_default();
454
      }
455

456
      $message['subject'] = t('!site :: new comment for your post.', array('!site' => variable_get('site_name', 'drupal')));
457
      $message['body'] = t(
458 459
        variable_get('comment_notify_default_mailtext', DEFAULT_MAILTEXT),
        array(
460 461 462
          '!commname' => $comment->name,
          '!commtext' => $comment->comment,
          '!commsubj' => $comment->subject,
463
          '!comment_url' => url('node/'. $nid, array('absolute' => TRUE, 'fragment' => 'comment-'. $cid)),
464 465 466 467 468 469 470
          '!node_title' =>  $node->title,
          '!node_teaser' => $node->teaser,
          '!mission' => variable_get('site_mission', ''),
          '!node_body' =>  $node->body,
          '!name' => $alert->name,
          '!site' => variable_get('site_name', 'drupal'),
          '!uri' => $base_url,
471
          '!uri_brief' => preg_replace('!^https?://!', '', $base_url),
472
          '!date' => format_date(time()),
473 474
          '!login_uri' => url('user', array('absolute' => TRUE)),
          '!edit_uri' => url('user/'. $alert->uid .'/edit', array('absolute' => TRUE)),
475
          '!link1' => url('comment_notify/disable/'. $alert->notify_hash, array('absolute' => TRUE))
476
        )
477
      );
478
      drupal_mail('comment_notify', 'comment_notify_mail', $mail, $language, $message);
479
      $sent_to[] = $mail;
480

481
      // Make the mail link to user's /edit, unless it's an anonymous user.
482
      if ($alert->uid != 0) {
483
        $user_mail = l($mail, 'user/'. $alert->uid .'/edit');
484 485
      }
      else {
486
        $user_mail = check_plain($mail);
487
      }
488

489
      // Add an entry to the watchdog log.
490 491 492 493 494 495 496 497 498
      watchdog(
        'comment_notify',
        'Notified: !user_mail',
        array('!user_mail' => $user_mail),
        WATCHDOG_NOTICE,
        l(t('source comment'), 'node/'. $nid, array(
          'fragment' => 'comment-'. $alert->cid,
        ))
      );
499

500
      // revert to previous (site default) locale
501
      $language = $initial_language;
502 503
    }
  }
504 505 506
  // Record that a notification was sent for this comment so that
  // notifications aren't sent again if the comment is later edited.
  db_query('UPDATE {comment_notify} SET notified = 1 WHERE cid = %d', $cid);
507 508
}

509 510
function comment_notify_mail($key, &$message, $params) {
  $message['subject'] = $params['subject'];
511
  $message['body'][] = $params['body'];
512 513 514
}


515
/**
516
 * Callback for an administrative form to unsubscribe users by e-mail address.
517 518 519 520 521 522 523 524 525 526 527 528 529
 */
function comment_notify_unsubscribe() {
  $form['comment_notify_unsubscribe'] = array();
  $form['comment_notify_unsubscribe']['email_to_unsubscribe'] = array(
    '#type' => 'textfield',
    '#title' => t('Email to unsubscribe'),
  );
  $form['comment_notify_unsubscribe']['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Unsubscribe this e-mail'),
  );
  return $form;
}
530

531
/**
532
 * Based on admin submit, do the actual unsubscribe from notifications.
533
 */
534 535
function comment_notify_unsubscribe_submit($form, &$form_state) {
  $email = trim($form_state['values']['email_to_unsubscribe']);
536
  // If they have a uid, use that, otherwise update comments directly
537
  $result = db_result(db_query_range("SELECT uid FROM {users} WHERE mail = '%s'", $email, 0, 1));
538
  if ($result > 0) {
539
    $comments = db_result(db_query("SELECT COUNT(1) FROM {comments} c INNER JOIN {comment_notify} cn ON c.cid = cn.cid WHERE c.uid = %d AND cn.notify > 0", $result));
540
    db_query("UPDATE {comment_notify} SET notify = 0 WHERE cid IN (SELECT cid FROM  {comments} WHERE uid = %d)", $result);
541 542
  }
  else {
543
    $comments = db_result(db_query("SELECT COUNT(1) FROM {comments} c INNER JOIN {comment_notify} cn ON c.cid = cn.cid WHERE c.mail = '%s' AND cn.notify > 0", $email));
544
    db_query("UPDATE {comment_notify} SET notify = 0 WHERE cid IN (SELECT cid FROM {comments} WHERE mail = '%s')", $email);
545 546 547 548 549 550 551 552 553 554
  }
  // Update the admin about the state of this comment notification subscription.
  if ($comments == 0) {
    drupal_set_message(t("There were no active comment notifications for that email."));
  }
  else {
    drupal_set_message(format_plural($comments, "Email unsubscribed from 1 comment notification.",
      "Email unsubscribed from @count comment notifications."));
  }
}
555

556 557 558
/*
 * Page callback for administrative settings form.
 */
559 560
function comment_notify_settings() {
  $form['comment_notify_settings'] = array();
561 562

  // Only perform comment_notify for certain node types (default, all)
563
  $enabled_types = variable_get('comment_notify_node_types', FALSE);
564
  $anonymous_problems = '';
565 566 567
  foreach (node_get_types('names') as $type => $name) {
    $checkboxes[$type] = check_plain($name);
    $default[] = $type;
568 569

    // If they don't have the ability to leave contact info, then we make a report
greggles's avatar
greggles committed
570
    if (isset($enabled_types[$type]) && $enabled_types[$type] && variable_get('comment_anonymous_'. $type, COMMENT_ANONYMOUS_MAYNOT_CONTACT) == COMMENT_ANONYMOUS_MAYNOT_CONTACT) {
571
      $account = user_load(array('uid' => 0));
572
      if (user_access('subscribe to comments', $account)) {
573 574 575 576
        $anonymous_problems[] = l(t('@content-type', array('@content-type' => $name)), 'admin/content/node-type/'. $type);
      }
    }
  }
greggles's avatar
greggles committed
577

578 579
  if (!empty($anonymous_problems)) {
    drupal_set_message(t('Anonymous commenters have the permission to subscribe to comments but cannot leave their contact infromation on the following content types: !types.  You should either disable subscriptions on those types here, revoke the permission for anonymous users, or enable anonymous users to leave their contact information in the comment settings.', array('!types' => implode(', ', $anonymous_problems))));
580 581 582 583
  }

  $form['comment_notify_settings']['comment_notify_node_types'] = array(
    '#type' => 'checkboxes',
584
    '#title' => t('Content types to enable for comment notification'),
585 586 587 588 589
    '#default_value' => variable_get('comment_notify_node_types', $default),
    '#options' => $checkboxes,
    '#description' => t('Comments on content types enabled here will have the option of comment notification.'),
  );

590 591
  $form['comment_notify_settings']['comment_notify_available_alerts'] = array(
    '#type' => 'checkboxes',
592
    '#title' => t('Available subscription modes'),
593
    '#return_value' => 1,
594
    '#default_value' => variable_get('comment_notify_available_alerts', array(COMMENT_NOTIFY_NODE, COMMENT_NOTIFY_COMMENT)),
595
    '#description' => t('Choose which notification subscription styles are available for users'),
596
    '#options' => array(
597 598
      COMMENT_NOTIFY_NODE     => t('All comments'),
      COMMENT_NOTIFY_COMMENT  => t('Replies to my comment')
599 600 601
    )
  );

602 603
  $available_options = array(
      COMMENT_NOTIFY_DISABLED => t('No notifications'),
604 605
      COMMENT_NOTIFY_NODE     => t('All comments'),
      COMMENT_NOTIFY_COMMENT  => t('Replies to my comment')
606 607
    );

608
  $form['comment_notify_settings']['comment_notify_default_anon_mailalert'] = array(
609
    '#type' => 'select',
610
    '#title' => t('Default state for the notification selection box for anonymous users'),
611
    '#return_value' => 1,
612 613 614 615 616 617 618 619 620 621 622
    '#default_value' => variable_get('comment_notify_default_anon_mailalert', COMMENT_NOTIFY_NODE),
    '#options' => $available_options,
  );

  $form['comment_notify_settings']['comment_notify_default_registered_mailalert'] = array(
    '#type' => 'select',
    '#title' => t('Default state for the notification selection box for registered users.'),
    '#return_value' => 1,
    '#default_value' => variable_get('comment_notify_default_registered_mailalert', COMMENT_NOTIFY_NODE),
    '#description' => t('This flag presets the flag for the follow-up notification on the form that anon users will see when posting a comment'),
    '#options' => $available_options,
623 624
  );

625

626 627
  $form['comment_notify_settings']['comment_notify_default_mailtext'] = array(
    '#type' => 'textarea',
628
    '#title' => t('Default mail text for sending out notifications to commenters'),
629 630
    '#description' => t(
      'You can use the following variables to be replaced:
631
      <ul>
632 633 634 635 636 637 638 639 640 641 642 643 644 645 646
      <li>!commname = the username who posted the comment
      <li>!commtext = the text of the posted comment
      <li>!commsubj = the subject of the posted comment
      <li>!comment_url = the full url of the post and comment - note: if you have paging enabled, this does not work correct - set your max comments per page so that all fit on one page or reverse order them
      <li>!node_title = the title of the node that was commented on
      <li>!node_teaser = the teaser of the node that was commented on
      <li>!node_body = the body of the node that was commented on
      <li>!mission = site_mission text
      <li>!name = username receiving the alert
      <li>!site = your site
      <li>!uri = base_url of site
      <li>!uri_brief = base_url of site w/o http
      <li>!date = the current time
      <li>!login_uri  uri to login the user
      <li>!edit_uri = uri to edit user profile
647
      <li>!link1 the QUICKLINK to disable future follow-up notifications for the user
648 649 650 651 652 653 654 655
      </ul>'
    ),
    '#default_value' => variable_get('comment_notify_default_mailtext', t(DEFAULT_MAILTEXT)),
    '#return_value' => 1,
    '#cols' => 80,
    '#rows' => 15
  );

656 657
  $form['comment_notify_settings']['node_notify_default_mailtext'] = array(
    '#type' => 'textarea',
658
    '#title' => t('Default mail text for sending out the notifications to node authors'),
659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684
    '#description' => t(
      'You can use the following variables to be replaced:
      <ul>
      <li>!commname = the username who posted the comment
      <li>!commtext = the text of the posted comment
      <li>!commsubj = the subject of the posted comment
      <li>!comment_url = the full url of the post and comment - note: if you have paging enabled, this does not work correct - set your max comments per page so that all fit on one page or reverse order them
      <li>!node_title = the title of the node that was commented on
      <li>!node_teaser = the teaser of the node that was commented on
      <li>!node_body = the body of the node that was commented on
      <li>!mission = site_mission text
      <li>!name = username receiving the alert
      <li>!site = your site
      <li>!uri = base_url of site
      <li>!uri_brief = base_url of site w/o http
      <li>!date = the current time
      <li>!login_uri  uri to login the user
      <li>!edit_uri = uri to edit user profile
      </ul>'
    ),
    '#default_value' => variable_get('node_notify_default_mailtext', t(AUTHOR_MAILTEXT)),
     '#return_value' => 1,
     '#cols' => 80,
     '#rows' => 15
  );

685 686
  $form['#validate'] = array('comment_notify_settings_validate');

687
  return system_settings_form($form);
688
}
689 690 691 692 693 694 695 696 697 698

function comment_notify_settings_validate($form, &$form_state) {
  $sum_enabled = 0;
  foreach ($form_state['values']['comment_notify_available_alerts'] as $enabled) {
    $sum_enabled += $enabled;
  }
  if (!$sum_enabled) {
    form_set_error('comment_notify_available_alerts', 'You must enable at least one subscription mode.');
  }
}