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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
* - Group menu
*/
elgg_register_event_handler('init', 'system', 'blog_init');
/**
* Init blog plugin.
*/
function blog_init() {
elgg_register_library('elgg:blog', elgg_get_plugin_path() . 'blog/lib/blog.php');
$item = new ElggMenuItem('blog', elgg_echo('blog:blogs'), 'pg/blog/all');
elgg_register_menu_item('site', $item);
// run the setup upon activations or to upgrade old installations.
run_function_once('blog_runonce', '1269370108');
elgg_extend_view('css/screen', 'blog/css');
elgg_register_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'));
elgg_register_plugin_hook_handler('notify:entity:message', 'object', 'blog_notify_message');
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.
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');
elgg_register_widget_type('blog', elgg_echo('blog'), elgg_echo('blog:widget:description'), 'profile');
// register actions
$action_path = elgg_get_plugin_path() . 'blog/actions/blog';
elgg_register_action('blog/save', "$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");
// ecml
elgg_register_plugin_hook_handler('get_views', 'ecml', 'blog_ecml_views_hook');
// Register profile menu hook
elgg_register_plugin_hook_handler('profile_menu', 'profile', 'blog_profile_menu');
}
/**
* Register entity class for object:blog -> ElggBlog
*/
function blog_runonce() {
if (!update_subtype('object', 'blog', 'ElggBlog')) {
add_subtype('object', 'blog', 'ElggBlog');
}
}
/**
* Dispatches blog pages.
* URLs take the form of
* All blogs: pg/blog/all
* User's blogs: pg/blog/owner/<username>
* Friends' blog: pg/blog/friends/<username>
* User's archives: pg/blog/archives/<username>/<time_start>/<time_stop>
* Blog post: pg/blog/read/<guid>/<title>
* New post: pg/blog/new
* Edit post: pg/blog/edit/<guid>/<revision>
* Preview post: pg/blog/preview/<guid>
* Group blog: pg/blog/group/<guid>/owner
* Group new post: pg/blog/group/<guid>/new
*
* Title is ignored
*
* @todo no archives for all blogs or friends
*
* @param array $page
* @return NULL
*/
function blog_page_handler($page) {
// @todo remove the forwarder in 1.9
// forward to correct URL for bookmaarks pre-1.7.5
// group usernames
if (substr_count($page[0], 'group:')) {
preg_match('/group\:([0-9]+)/i', $page[0], $matches);
$guid = $matches[1];
if ($entity = get_entity($guid)) {
blog_url_forwarder($page);
}
}
// user usernames
$user = get_user_by_username($page[0]);
if ($user) {
blog_url_forwarder($page);
}
elgg_load_library('elgg:blog');
// push all blogs breadcrumb
elgg_push_breadcrumb(elgg_echo('blog:blogs'), "pg/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 'read':
$params = blog_get_page_content_read($page[1]);
break;
case 'new':
gatekeeper();
$params = blog_get_page_content_edit($page_type);
break;
case 'edit':
gatekeeper();
$params = blog_get_page_content_edit($page_type, $page[1], $page[2]);
break;
case 'group':
if ($page[2] == 'new') {
gatekeeper();
$params = blog_get_page_content_edit($page_type, $page[1]);
} else {
$params = blog_get_page_content_list($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);
}
/**
* Forward to the new style of URLs
*
* @param string $page
*/
function blog_url_forwarder($page) {
global $CONFIG;
if (!isset($page[1])) {
$page[1] = 'owner';
}
switch ($page[1]) {
case "read":
$url = "{$CONFIG->wwwroot}pg/blog/read/{$page[2]}/{$page[3]}";
break;
case "archive":
$url = "{$CONFIG->wwwroot}pg/blog/archive/{$page[0]}/{$page[2]}/{$page[3]}";
break;
case "friends":
$url = "{$CONFIG->wwwroot}pg/blog/friends/{$page[0]}/";
break;
case "new":
$url = "{$CONFIG->wwwroot}pg/blog/new/{$page[0]}/";
break;
case "owner":
$url = "{$CONFIG->wwwroot}pg/blog/owner/{$page[0]}/";
break;
}
register_error(elgg_echo("changebookmark"));
forward($url);
}
/**
* 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 "pg/blog/read/{$entity->guid}/$friendly_title";
}
/**
* Add a menu item to an ownerblock
*/
function blog_owner_block_menu($hook, $type, $return, $params) {
if (elgg_instanceof($params['entity'], 'user')) {
$url = "pg/blog/owner/{$params['entity']->username}";
$item = new ElggMenuItem('blog', elgg_echo('blog'), $url);
$return[] = $item;
} else {
if ($params['entity']->blog_enable != "no") {
$url = "pg/blog/group/{$params['entity']->guid}/owner";
$item = new ElggMenuItem('blog', elgg_echo('blog:group'), $url);
$return[] = $item;
}
}
return $return;
}
/**
* Register blogs with ECML.
*
* @param unknown_type $hook
* @param unknown_type $entity_type
* @param unknown_type $return_value
* @param unknown_type $params
*/
function blog_ecml_views_hook($hook, $entity_type, $return_value, $params) {
$return_value['object/blog'] = elgg_echo('blog:blogs');
return $return_value;
}
function blog_profile_menu($hook, $entity_type, $return_value, $params) {
if (!($params['owner'] instanceof ElggGroup)) {
$return_value[] = array(
'text' => elgg_echo('blog'),
'href' => "pg/blog/owner/{$params['owner']->username}/",
);
}
return $return_value;
}
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