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<?php
/**
* Blogs
*
* @package Blog
*
* @todo
* - Either drop support for "publish date" or duplicate more entity getter
* functions to work with a non-standard time_created.
* - Pingbacks
* - Notifications
* - River entry for posts saved as drafts and later published
*/
elgg_register_event_handler('init', 'system', 'blog_init');
/**
* Init blog plugin.
*/
function blog_init() {
elgg_register_library('elgg:blog', elgg_get_plugins_path() . 'blog/lib/blog.php');
// add a site navigation item
$item = new ElggMenuItem('blog', elgg_echo('blog:blogs'), 'blog/all');
elgg_register_menu_item('site', $item);
elgg_register_event_handler('upgrade', 'upgrade', 'blog_run_upgrades');
// add to the main css
elgg_extend_view('css/screen', 'blog/css');
// register the blog's JavaScript
$blog_js = elgg_get_simplecache_url('js', 'blog/save_draft');
elgg_register_js('elgg.blog', $blog_js);
// routing of urls
elgg_register_page_handler('blog', 'blog_page_handler');
// override the default url to view a blog object
elgg_register_entity_url_handler('object', 'blog', 'blog_url_handler');
// notifications
register_notification_object('object', 'blog', elgg_echo('blog:newpost'));
elgg_register_plugin_hook_handler('notify:entity:message', 'object', 'blog_notify_message');
// add blog link to
elgg_register_plugin_hook_handler('register', 'menu:owner_block', 'blog_owner_block_menu');
// pingbacks
//elgg_register_event_handler('create', 'object', 'blog_incoming_ping');
//elgg_register_plugin_hook_handler('pingback:object:subtypes', 'object', 'blog_pingback_subtypes');
// Register for search.
elgg_register_entity_type('object', 'blog');
// Add group option
add_group_tool_option('blog', elgg_echo('blog:enableblog'), true);
elgg_extend_view('groups/tool_latest', 'blog/group_module');
// add a blog widget
elgg_register_widget_type('blog', elgg_echo('blog'), elgg_echo('blog:widget:description'), 'profile');
// register actions
$action_path = elgg_get_plugins_path() . 'blog/actions/blog';
elgg_register_action('blog/save', "$action_path/save.php");
elgg_register_action('blog/auto_save_revision', "$action_path/auto_save_revision.php");
elgg_register_action('blog/delete', "$action_path/delete.php");
// entity menu
elgg_register_plugin_hook_handler('register', 'menu:entity', 'blog_entity_menu_setup');
// ecml
elgg_register_plugin_hook_handler('get_views', 'ecml', 'blog_ecml_views_hook');
}
/**
* Dispatches blog pages.
* URLs take the form of
* All blogs: blog/all
* User's blogs: blog/owner/<username>
* Friends' blog: blog/friends/<username>
* User's archives: blog/archives/<username>/<time_start>/<time_stop>
* Blog post: blog/view/<guid>/<title>
* New post: blog/add/<guid>
* Edit post: blog/edit/<guid>/<revision>
* Preview post: blog/preview/<guid>
* Group blog: blog/group/<guid>/owner
*
* Title is ignored
*
* @todo no archives for all blogs or friends
*
* @param array $page
* @return NULL
*/
function blog_page_handler($page) {
elgg_load_library('elgg:blog');
// @todo remove the forwarder in 1.9
// forward to correct URL for bookmarks pre-1.7.5
blog_url_forwarder($page);
// push all blogs breadcrumb
elgg_push_breadcrumb(elgg_echo('blog:blogs'), "blog/all");
if (!isset($page[0])) {
$page[0] = 'all';
}
$page_type = $page[0];
switch ($page_type) {
case 'owner':
$user = get_user_by_username($page[1]);
$params = blog_get_page_content_list($user->guid);
break;
case 'friends':
$user = get_user_by_username($page[1]);
$params = blog_get_page_content_friends($user->guid);
break;
case 'archive':
$user = get_user_by_username($page[1]);
$params = blog_get_page_content_archive($user->guid, $page[2], $page[3]);
break;
case 'view':
$params = blog_get_page_content_read($page[1]);
break;
case 'add':
gatekeeper();
$params = blog_get_page_content_edit($page_type, $page[1]);
break;
case 'edit':
gatekeeper();
$params = blog_get_page_content_edit($page_type, $page[1], $page[2]);
break;
case 'group':
$params = blog_get_page_content_list($page[1]);
break;
case 'all':
default:
$title = elgg_echo('blog:title:all_blogs');
$params = blog_get_page_content_list();
break;
}
$params['sidebar'] .= elgg_view('blog/sidebar', array('page' => $page_type));
$body = elgg_view_layout('content', $params);
echo elgg_view_page($params['title'], $body);
}
/**
* Format and return the URL for blogs.
*
* @param ElggObject $entity Blog object
* @return string URL of blog.
*/
function blog_url_handler($entity) {
if (!$entity->getOwnerEntity()) {
// default to a standard view if no owner.
return FALSE;
}
$friendly_title = elgg_get_friendly_title($entity->title);
return "blog/view/{$entity->guid}/$friendly_title";
}
/**
* Add a menu item to an ownerblock
*/
function blog_owner_block_menu($hook, $type, $return, $params) {
if (elgg_instanceof($params['entity'], 'user')) {
$url = "blog/owner/{$params['entity']->username}";
$item = new ElggMenuItem('blog', elgg_echo('blog'), $url);
$return[] = $item;
} else {
if ($params['entity']->blog_enable != "no") {
$url = "blog/group/{$params['entity']->guid}/owner";
$item = new ElggMenuItem('blog', elgg_echo('blog:group'), $url);
$return[] = $item;
}
}
return $return;
}
/**
* Add particular blog links/info to entity menu
*/
function blog_entity_menu_setup($hook, $type, $return, $params) {
if (elgg_in_context('widgets')) {
return $return;
}
$entity = $params['entity'];
$handler = elgg_extract('handler', $params, false);
if ($handler != 'blog') {
return $return;
}
if ($entity->canEdit() && $entity->status != 'published') {
$status_text = elgg_echo("blog:status:{$entity->status}");
$options = array(
'name' => 'published_status',
'text' => $status_text,
'href' => false,
'priority' => 150,
);
$return[] = ElggMenuItem::factory($options);
}
return $return;
}
/**
* Register blogs with ECML.
*/
function blog_ecml_views_hook($hook, $entity_type, $return_value, $params) {
$return_value['object/blog'] = elgg_echo('blog:blogs');
return $return_value;
}
/**
* Runs when blog plugin is activated. See manifest file.
*/
function blog_on_activate() {
add_subtype('object', 'blog', 'ElggBlog');
}
/**
* When upgrading, check if the ElggBlog class has been registered as this
* was added in Elgg 1.8
*/
function blog_run_upgrades() {
if (!update_subtype('object', 'blog', 'ElggBlog')) {
add_subtype('object', 'blog', 'ElggBlog');
}
}
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