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<?php
/**
* Blogs
*
* @package Blog
* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
* @author Curverider Ltd
* @copyright Curverider Ltd 2008-2010
* @link http://elgg.org/
*
* @todo
* Either drop support for "publish date" or duplicate more entity getter
* functions to work with a non-standard time_created.
* Show friends blog posts
* Widget
*
* Pingbacks
* Notifications
*/
/**
* Init blog plugin.
*
* @return TRUE
*/
function blog_init() {
global $CONFIG;
require_once dirname(__FILE__) . '/blog_lib.php';
add_menu(elgg_echo('blog:blogs'), "{$CONFIG->wwwroot}pg/blog/", array());
// run the setup upon activations or to upgrade old installations.
run_function_once('blog_runonce', '1269370108');
elgg_extend_view('css', 'blog/css');
register_elgg_event_handler('pagesetup', 'system', 'blog_page_setup');
register_page_handler('blog', 'blog_page_handler');
register_entity_url_handler('blog_url_handler', 'object', 'blog');
// notifications
register_notification_object('object', 'blog', elgg_echo('blog:newpost'));
register_plugin_hook('notify:entity:message', 'object', 'blog_notify_message');
// pingbacks
//register_elgg_event_handler('create', 'object', 'blog_incoming_ping');
//register_plugin_hook('pingback:object:subtypes', 'object', 'blog_pingback_subtypes');
// Register for search.
register_entity_type('object', 'blog');
add_group_tool_option('blog', elgg_echo('blog:enableblog'), true);
//add_widget_type('blog', elgg_echo('blog'), elgg_echo('blog:widget:description'), 'profile, dashboard');
$action_path = dirname(__FILE__) . '/actions/blog';
register_action('blog/save', FALSE, "$action_path/save.php");
register_action('blog/auto_save_revision', FALSE, "$action_path/auto_save_revision.php");
register_action('blog/delete', FALSE, "$action_path/delete.php");
}
/**
* Register entity class for object:blog -> ElggBlog
*/
function blog_runonce() {
if (!update_subtype('object', 'blog', 'ElggBlog')) {
add_subtype('object', 'blog', 'ElggBlog');
}
}
/**
* Dispatches blog pages.
* To maintain URL backward compatibility, expects old-style URLs like:
* pg/blog/[username/[read|edit|archive|new/[time_start|guid/[time_end|title]]]]
*
* Without a username, show all blogs
* Without an action (read|edit|archive|new), forward to pg/blog/username/read.
* Without a guid, show all post for that user.
* Title is ignored
*
* If archive, uses time_start/end
*
* @todo There is no way to say "show me archive view for all blog posts" with the
* current URL scheme because $param[0] is the username instead of an action.
* Could do something hideous like make '*' mean "all users" (since a username can't be *).
* Can't change the URL scheme because of URL compatibility.
*
* @param array $page
* @return NULL
*/
function blog_page_handler($page) {
global $CONFIG;
// see if we're showing all or just a user's
if (isset($page[0]) && !empty($page[0])) {
$username = $page[0];
// push breadcrumb
elgg_push_breadcrumb(elgg_echo('blog:blogs'), "{$CONFIG->site->url}pg/blog");
// forward away if invalid user.
if (!$user = get_user_by_username($username)) {
register_error('blog:error:unknown_username');
forward($_SERVER['HTTP_REFERER']);
}
set_page_owner($user->getGUID());
$crumbs_title = sprintf(elgg_echo('blog:owned_blogs'), $user->name);
$crumbs_url = "{$CONFIG->site->url}pg/blog/$username/read";
elgg_push_breadcrumb($crumbs_title, $crumbs_url);
$action = isset($page[1]) ? $page[1] : FALSE;
// yeah these are crap names, but they're used for different things.
$page2 = isset($page[2]) ? $page[2] : FALSE;
$page3 = isset($page[3]) ? $page[3] : FALSE;
switch ($action) {
case 'read':
$title = sprintf(elgg_echo('blog:title:user_blogs'), $user->name);
$content_info = blog_get_page_content_read($user->getGUID(), $page2);
break;
case 'new':
case 'edit':
$title = elgg_echo('blog:edit');
$content_info = blog_get_page_content_edit($page2, $page3);
break;
case 'archive':
$title = elgg_echo('blog:archives');
$content_info = blog_get_page_content_archive($user->getGUID(), $page2, $page3);
break;
case 'friends':
$title = elgg_echo('blog:friends');
$content_info = blog_get_page_content_friends($user->getGUID());
break;
default:
forward("pg/blog/$username/read/");
break;
}
} else {
$title = elgg_echo('blog:title:all_blogs');
$content_info = blog_get_page_content_read();
}
$sidebar .= elgg_view('blog/sidebar_menu');
if (isset($content_info['sidebar'])) {
$sidebar .= $content_info['sidebar'];
}
$content = elgg_view('navigation/breadcrumbs') . $content_info['content'];
$body = elgg_view_layout('one_column_with_sidebar', $content, $sidebar);
page_draw($title, $body);
}
/**
* Format and return the correct URL for blogs.
*
* @param ElggObject $entity
* @return string URL of blog.
*/
function blog_url_handler($entity) {
global $CONFIG;
if (!$user = get_entity($entity->owner_guid)) {
// default to a standard view if no owner.
return FALSE;
}
$friendly_title = friendly_title($entity->title);
$url = "{$CONFIG->site->url}pg/blog/{$user->username}/read/{$entity->getGUID()}/$friendly_title";
return $url;
}
/**
* Add menu items for groups
*/
function blog_page_setup() {
global $CONFIG;
$page_owner = page_owner_entity();
if ($page_owner instanceof ElggGroup && get_context() == 'groups') {
if($page_owner->blog_enable != "no") {
$url = "{$CONFIG->wwwroot}pg/blog/{$page_owner->username}/items";
add_submenu_item(elgg_echo('blog:groups:group_blogs'), $url);
}
}
}
register_elgg_event_handler('init', 'system', 'blog_init');
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