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<?php
/**
* Elgg wire plugin
* The wire is simple twitter like plugin that allows users to post notes to the wire
*
* @package ElggTheWire
* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
* @author Curverider <info@elgg.com>
* @copyright Curverider Ltd 2008-2010
* @link http://elgg.com/
*/
/**
* thewire initialisation
*
* These parameters are required for the event API, but we won't use them:
*
* @param unknown_type $event
* @param unknown_type $object_type
* @param unknown_type $object
*/
function thewire_init() {
// Load system configuration
global $CONFIG;
// Set up menu for logged in users
add_menu(elgg_echo('thewire:title'), $CONFIG->wwwroot . "pg/thewire");
// Extend system CSS with our own styles, which are defined in the thewire/css view
elgg_extend_view('css','thewire/css');
//extend views
elgg_extend_view('profile/status', 'thewire/profile_status');
// Register a page handler, so we can have nice URLs
register_page_handler('thewire','thewire_page_handler');
// Register a URL handler for thewire posts
register_entity_url_handler('thewire_url','object','thewire');
// Your thewire widget
add_widget_type('thewire',elgg_echo("thewire:read"),elgg_echo("thewire:yourdesc"));
// Register entity type
register_entity_type('object','thewire');
// Listen for SMS create event
register_elgg_event_handler('create','object','thewire_incoming_sms');
// Register granular notification for this type
if (is_callable('register_notification_object'))
register_notification_object('object', 'thewire', elgg_echo('thewire:newpost'));
// Listen to notification events and supply a more useful message for SMS'
register_plugin_hook('notify:entity:message', 'object', 'thewire_notify_message');
}
function thewire_pagesetup() {
global $CONFIG;
//add submenu options
if (get_context() == "thewire") {
if ((page_owner() == $_SESSION['guid'] || !page_owner()) && isloggedin()) {
add_submenu_item(elgg_echo('thewire:read'),$CONFIG->wwwroot."pg/thewire/" . $_SESSION['user']->username);
add_submenu_item(elgg_echo('thewire:everyone'),$CONFIG->wwwroot."mod/thewire/everyone.php");
//add_submenu_item(elgg_echo('thewire:add'),$CONFIG->wwwroot."mod/thewire/add.php");
}
}
}
/**
* thewire page handler; allows the use of fancy URLs
*
* @param array $page From the page_handler function
* @return true|false Depending on success
*/
function thewire_page_handler($page) {
// The first component of a thewire URL is the username
if (isset($page[0])) {
set_input('username',$page[0]);
}
// The second part dictates what we're doing
if (isset($page[1])) {
switch($page[1]) {
case "friends": // TODO: add friends thewire page here
break;
}
// If the URL is just 'thewire/username', or just 'thewire/', load the standard thewire index
} else {
@include(dirname(__FILE__) . "/index.php");
return true;
}
return false;
}
function thewire_url($thewirepost) {
global $CONFIG;
return $CONFIG->url . "pg/thewire/" . $thewirepost->getOwnerEntity()->username;
}
/**
* Returns a more meaningful message for SMS messages.
*
* @param unknown_type $hook
* @param unknown_type $entity_type
* @param unknown_type $returnvalue
* @param unknown_type $params
*/
function thewire_notify_message($hook, $entity_type, $returnvalue, $params)
{
$entity = $params['entity'];
$to_entity = $params['to_entity'];
$method = $params['method'];
if (($entity instanceof ElggEntity) && ($entity->getSubtype() == 'thewire'))
{
$descr = $entity->description;
if ($method == 'sms') {
$owner = $entity->getOwnerEntity();
return $owner->username . ': ' . $descr;
}
if ($method == 'email') {
$owner = $entity->getOwnerEntity();
return $owner->username . ': ' . $descr . "\n\n" . $entity->getURL();
}
}
return null;
}
/**
* Create a new wire post.
*
* @param string $post The post
* @param int $access_id Public/private etc
* @param int $parent Parent post (if any)
* @param string $method The method (default: 'site')
* @return bool
*/
function thewire_save_post($post, $access_id, $parent=0, $method = "site")
{
global $SESSION;
// Initialise a new ElggObject
$thewire = new ElggObject();
// Tell the system it's a thewire post
$thewire->subtype = "thewire";
// Set its owner to the current user
$thewire->owner_guid = get_loggedin_userid();
// For now, set its access to public (we'll add an access dropdown shortly)
$thewire->access_id = $access_id;
// Set its description appropriately
$thewire->description = elgg_substr(strip_tags($post), 0, 160);
/*if (is_callable('mb_substr'))
$thewire->description = mb_substr(strip_tags($post), 0, 160);
else
$thewire->description = substr(strip_tags($post), 0, 160);*/
// add some metadata
$thewire->method = $method; //method, e.g. via site, sms etc
$thewire->parent = $parent; //used if the note is a reply
//save
$save = $thewire->save();
if($save)
add_to_river('river/object/thewire/create','create',$SESSION['user']->guid,$thewire->guid);
return $save;
}
/**
* Listen and process incoming SMS'
*/
function thewire_incoming_sms($event, $object_type, $object)
{
if (($object) && ($object->subtype == get_subtype_id('object', 'sms')))
{
// Get user from phone number
if ((is_plugin_enabled('smsclient')) && (is_plugin_enabled('smslogin')))
{
// By this stage the owner should be logged in (requires SMS Login)
if (thewire_save_post($object->description, get_default_access(), 0, 'sms'))
return false;
}
}
return true; // always create the shout even if it can't be sent
}
// Make sure the thewire initialisation function is called on initialisation
register_elgg_event_handler('init','system','thewire_init');
register_elgg_event_handler('pagesetup','system','thewire_pagesetup');
// Register actions
global $CONFIG;
register_action("thewire/add",false,$CONFIG->pluginspath . "thewire/actions/add.php");
register_action("thewire/delete",false,$CONFIG->pluginspath . "thewire/actions/delete.php");
?>
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