/**
* Sends email notifications that a task has been added, edited, or
* deleted to users that want such notifications.
*
* @param string $action The event action. One of "add", "edit", or
* "delete".
* @param Nag_Task $task The changed task.
* @param Nag_Task $old_task The original task if $action is "edit".
*
* @throws Nag_Exception
*/
public static function sendNotification($action, $task, $old_task = null)
{
if (!in_array($action, array('add', 'edit', 'delete'))) {
throw new Nag_Exception('Unknown event action: ' . $action);
}
try {
$share = $GLOBALS['nag_shares']->getShare($task->tasklist);
} catch (Horde_Share_Exception $e) {
Horde::log($e->getMessage(), 'ERR');
throw new Nag_Exception($e);
}
$groups = $GLOBALS['injector']->getInstance('Horde_Group');
$recipients = array();
$identity = $GLOBALS['injector']->getInstance('Horde_Core_Factory_Identity')->create();
$from = $identity->getDefaultFromAddress(true);
$owner = $share->get('owner');
if (strlen($owner)) {
$recipients[$owner] = self::_notificationPref($owner, 'owner');
}
foreach ($share->listUsers(Horde_Perms::READ) as $user) {
if (empty($recipients[$user])) {
$recipients[$user] = self::_notificationPref($user, 'read', $task->tasklist);
}
}
foreach ($share->listGroups(Horde_Perms::READ) as $group) {
try {
$group_users = $groups->listUsers($group);
} catch (Horde_Group_Exception $e) {
Horde::log($e, 'ERR');
continue;
}
foreach ($group_users as $user) {
if (empty($recipients[$user])) {
$recipients[$user] = self::_notificationPref($user, 'read', $task->tasklist);
}
}
}
$addresses = array();
foreach ($recipients as $user => $vals) {
if (!$vals) {
continue;
}
$identity = $GLOBALS['injector']->getInstance('Horde_Core_Factory_Identity')->create($user);
$email = $identity->getValue('from_addr');
if (strpos($email, '@') === false) {
continue;
}
if (!isset($addresses[$vals['lang']][$vals['tf']][$vals['df']])) {
$addresses[$vals['lang']][$vals['tf']][$vals['df']] = array();
}
$tmp = new Horde_Mail_Rfc822_Address($email);
$tmp->personal = $identity->getValue('fullname');
$addresses[$vals['lang']][$vals['tf']][$vals['df']][] = strval($tmp);
}
if (!$addresses) {
return;
}
$mail = new Horde_Mime_Mail(array('User-Agent' => 'Nag ' . $GLOBALS['registry']->getVersion(), 'Precedence' => 'bulk', 'Auto-Submitted' => 'auto-generated', 'From' => $from));
foreach ($addresses as $lang => $twentyFour) {
$GLOBALS['registry']->setLanguageEnvironment($lang);
$view_link = Horde::url('view.php', true)->add(array('tasklist' => $task->tasklist, 'task' => $task->id))->setRaw(true);
switch ($action) {
case 'add':
$subject = _("Task added:");
$notification_message = _("You requested to be notified when tasks are added to your task lists.") . "\n\n" . ($task->due ? _("The task \"%s\" has been added to task list \"%s\", with a due date of: %s.") : _("The task \"%s\" has been added to task list \"%s\".")) . "\n" . str_replace('%', '%%', $view_link);
break;
case 'edit':
$subject = _("Task modified:");
$notification_message = _("You requested to be notified when tasks are edited on your task lists.") . "\n\n" . _("The task \"%s\" has been edited on task list \"%s\".") . "\n" . str_replace('%', '%%', $view_link) . "\n\n" . _("Changes made for this task:");
if ($old_task->name != $task->name) {
$notification_message .= "\n - " . sprintf(_("Changed name from \"%s\" to \"%s\""), $old_task->name, $task->name);
}
if ($old_task->tasklist != $task->tasklist) {
$old_share = $GLOBALS['nag_shares']->getShare($old_task->tasklist);
$notification_message .= "\n - " . sprintf(_("Changed task list from \"%s\" to \"%s\""), Nag::getLabel($old_share), Nag::getLabel($share));
}
if ($old_task->parent_id != $task->parent_id) {
$old_parent = $old_task->getParent();
try {
$parent = $task->getParent();
$notification_message .= "\n - " . sprintf(_("Changed parent task from \"%s\" to \"%s\""), $old_parent ? $old_parent->name : _("no parent"), $parent ? $parent->name : _("no parent"));
} catch (Nag_Exception $e) {
}
}
if ($old_task->assignee != $task->assignee) {
$identity = $GLOBALS['injector']->getInstance('Horde_Core_Factory_Identity')->create($old_task->assignee);
$old_name = $identity->getValue('fullname');
if (!strlen($old_name)) {
$old_name = $old_task->assignee;
}
$identity = $GLOBALS['injector']->getInstance('Horde_Core_Factory_Identity')->create($task->assignee);
$new_name = $identity->getValue('fullname');
if (!strlen($new_name)) {
$new_name = $new_task->assignee;
}
$notification_message .= "\n - " . sprintf(_("Changed assignee from \"%s\" to \"%s\""), $old_name, $new_name);
}
if ($old_task->private != $task->private) {
$notification_message .= "\n - " . ($task->private ? _("Turned privacy on") : _("Turned privacy off"));
}
if ($old_task->due != $task->due) {
$notification_message .= "\n - " . sprintf(_("Changed due date from %s to %s"), $old_task->due ? self::formatDate($old_task->due) : _("no due date"), $task->due ? self::formatDate($task->due) : _("no due date"));
}
if ($old_task->start != $task->start) {
$notification_message .= "\n - " . sprintf(_("Changed start date from %s to %s"), $old_task->start ? self::formatDate($old_task->start) : _("no start date"), $task->start ? self::formatDate($task->start) : _("no start date"));
}
if ($old_task->alarm != $task->alarm) {
$notification_message .= "\n - " . sprintf(_("Changed alarm from %s to %s"), self::formatAlarm($old_task->alarm), self::formatAlarm($task->alarm));
}
if ($old_task->priority != $task->priority) {
$notification_message .= "\n - " . sprintf(_("Changed priority from %s to %s"), $old_task->priority, $task->priority);
}
if ($old_task->estimate != $task->estimate) {
$notification_message .= "\n - " . sprintf(_("Changed estimate from %s to %s"), $old_task->estimate, $task->estimate);
}
if ($old_task->completed != $task->completed) {
$notification_message .= "\n - " . sprintf(_("Changed completion from %s to %s"), $old_task->completed ? _("completed") : _("not completed"), $task->completed ? _("completed") : _("not completed"));
}
if ($old_task->desc != $task->desc) {
$notification_message .= "\n - " . _("Changed description");
}
break;
case 'delete':
$subject = _("Task deleted:");
$notification_message = _("You requested to be notified when tasks are deleted from your task lists.") . "\n\n" . _("The task \"%s\" has been deleted from task list \"%s\".");
break;
}
$mail->addHeader('Subject', $subject . ' ' . $task->name);
foreach ($twentyFour as $tf => $dateFormat) {
foreach ($dateFormat as $df => $df_recipients) {
$message = sprintf($notification_message, $task->name, Nag::getLabel($share), $task->due ? strftime($df, $task->due) . ' ' . date($tf ? 'H:i' : 'h:ia', $task->due) : '');
if (strlen(trim($task->desc))) {
$message .= "\n\n" . _("Task description:") . "\n\n" . $task->desc;
}
$mail->setBody($message);
$mail->clearRecipients();
$mail->addRecipients($df_recipients);
Horde::log(sprintf('Sending event notifications for %s to %s', $task->name, implode(', ', $df_recipients)), 'INFO');
$mail->send($GLOBALS['injector']->getInstance('Horde_Mail'));
}
}
}
}
