'SMS Framework',
'name' => t('SMS'),
'group' => 'sms', // Class of send method
'type' => MESSAGING_TYPE_SEND,
'glue' => ' ',
'description' => t('Send SMS using SMS Framework.'),
'render callback' => 'messaging_sms_render',
'send callback' => 'messaging_sms_send_msg',
'destination callback' => 'messaging_sms_user_destination',
);
return $info;
}
}
/**
* Message Render callback
*/
function messaging_sms_render($message, $info) {
// We need to apply filtering first or run through the render function
$message = messaging_message_render($message, $info);
// We can assume that we'll get max 110 characters for subject + body
// Because from and data take up about 50 characters and total character limit
// subject + from + date + body < 160
$message->subject = messaging_sms_truncate($message->subject, 40);
$message->body = messaging_sms_truncate($message->body, (110 - drupal_strlen($message->subject)));
return $message;
}
/**
* Send mail message to user account
*/
function messaging_sms_user_destination($account, $message) {
// Check for active mobile infomation. Simply return it so that the send
// callback has a destination array and access everything.
if (!empty($account->sms_user) && $account->sms_user[0]['status'] == 2) {
return $account->sms_user[0];
}
}
/**
* Send message to multiple destinations
*
* This is just a wrapper for sms_send()
*/
function messaging_sms_send_msg($destination, $message, $params = array()) {
if (!empty($destination['number']) && !empty($destination['gateway'])) {
$text = $message->subject;
$text = !empty($text) && !empty($message->body) ? ' ' : '';
$text .= $message->body;
return sms_send($destination['number'], $text, $destination['gateway']);
} else {
return FALSE;
}
}
/**
* Truncate messages to 160 Characters. Adapted from node_teaser() in node.module
*/
function messaging_sms_truncate($text, $length = 160) {
// If we have a short message, return the message
if (strlen($text) < $length) {
return $text;
}
// Initial slice.
$teaser = truncate_utf8($text, $length);
$position = 0;
// Cache the reverse of the message.
$reversed = strrev($teaser);
// split at paragraph boundaries.
$breakpoints = array('' => 0, '
' => 6, '
' => 4, "\n" => 1);
// We use strpos on the reversed needle and haystack for speed.
foreach ($breakpoints as $point => $offset) {
$length = strpos($reversed, strrev($point));
if ($length !== FALSE) {
$position = - $length - $offset;
return ($position == 0) ? $teaser : substr($teaser, 0, $position);
}
}
// When even the first paragraph is too long, we try to split at the end of
// the last full sentence.
$breakpoints = array('. ' => 1, '! ' => 1, '? ' => 1, ' ' => 0);
$min_length = strlen($reversed);
foreach ($breakpoints as $point => $offset) {
$length = strpos($reversed, strrev($point));
if ($length !== FALSE) {
$min_length = min($length, $min_length);
$position = 0 - $length - $offset;
}
}
return ($position == 0) ? $teaser : substr($teaser, 0, $position);
}
/**
* Implementation of hook_disable()
*/
function messaging_sms_disable() {
messaging_method_disable('sms');
}