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<?php
/**
* Elgg Message board
* This plugin allows users and groups to attach a message board to their profile for other users
* to post comments.
*
* @package MessageBoard
*/
/**
* MessageBoard initialisation
*/
function messageboard_init() {
// js
elgg_extend_view('js/elgg', 'messageboard/js');
// css
elgg_extend_view('css/elgg', 'messageboard/css');
elgg_register_page_handler('messageboard', 'messageboard_page_handler');
// messageboard widget - only for profile for now
elgg_register_widget_type('messageboard', elgg_echo("messageboard:board"), elgg_echo("messageboard:desc"), "profile");
// actions
$action_path = dirname(__FILE__) . '/actions';
elgg_register_action("messageboard/add", "$action_path/add.php");
elgg_register_action("messageboard/delete", "$action_path/delete.php");
// delete annotations for posts
elgg_register_plugin_hook_handler('register', 'menu:annotation', 'messageboard_annotation_menu_setup');
}
/**
* Messageboard dispatcher for flat message board.
* Profile (and eventually group) widgets handle their own.
*
* URLs take the form of
* User's messageboard: messageboard/owner/<username>
* Y's history of posts on X's board: messageboard/owner/<X>/history/<Y>
* New post: messageboard/add/<guid> (container: user or group)
* Group messageboard: messageboard/group/<guid>/all (not implemented)
*
* @param array $page Array of page elements
* @return bool
*/
function messageboard_page_handler($page) {
$new_section_one = array('owner', 'add', 'group');
// if the first part is a username, forward to new format
if (isset($page[0]) && !in_array($page[0], $new_section_one) && get_user_by_username($page[0])) {
register_error(elgg_echo("changebookmark"));
$url = "messageboard/owner/{$page[0]}";
forward($url);
}
$pages = dirname(__FILE__) . '/pages/messageboard';
switch ($page[0]) {
case 'owner':
//@todo if they have the widget disabled, don't allow this.
$owner_name = elgg_extract(1, $page);
$owner = get_user_by_username($owner_name);
set_input('page_owner_guid', $owner->guid);
$history = elgg_extract(2, $page);
$username = elgg_extract(3, $page);
if ($history && $username) {
set_input('history_username', $username);
}
include "$pages/owner.php";
break;
case 'add':
$container_guid = elgg_extract(1, $page);
set_input('container_guid', $container_guid);
include "$pages/add.php";
break;
case 'group':
group_gatekeeper();
$owner_guid = elgg_extract(1, $page);
set_input('page_owner_guid', $owner_guid);
include "$pages/owner.php";
break;
}
return true;
}
/**
* Add messageboard post
*
* @param ElggUser $poster User posting the message
* @param ElggUser $owner User who owns the message board
* @param string $message The posted message
* @param int $access_id Access level (see defines in elgglib.php)
* @return bool
*/
function messageboard_add($poster, $owner, $message, $access_id = ACCESS_PUBLIC) {
$result = $owner->annotate('messageboard', $message, $access_id, $poster->guid);
if (!$result) {
return false;
}
add_to_river('river/object/messageboard/create',
'messageboard',
$poster->guid,
$owner->guid,
$access_id,
0,
$result);
// only send notification if not self
if ($poster->guid != $owner->guid) {
$subject = elgg_echo('messageboard:email:subject');
$body = elgg_echo('messageboard:email:body', array(
$poster->name,
$message,
elgg_get_site_url() . "messageboard/" . $owner->username,
$poster->name,
$poster->getURL()
));
notify_user($owner->guid, $poster->guid, $subject, $body);
}
return $result;
}
/**
* Add edit and delete links for forum replies
*/
function messageboard_annotation_menu_setup($hook, $type, $return, $params) {
$annotation = $params['annotation'];
if ($annotation->name != 'messageboard') {
return $return;
}
if ($annotation->canEdit()) {
$url = elgg_http_add_url_query_elements('action/messageboard/delete', array(
'annotation_id' => $annotation->id,
));
$options = array(
'name' => 'delete',
'href' => $url,
'text' => "<span class=\"elgg-icon elgg-icon-delete\"></span>",
'confirm' => elgg_echo('deleteconfirm'),
'encode_text' => false
);
$return[] = ElggMenuItem::factory($options);
}
return $return;
}
elgg_register_event_handler('init', 'system', 'messageboard_init');
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