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<?php
/**
* Blog helper functions
*
* @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/
*/
/**
* Returns HTML for a blog post.
*
* @param int $guid of a blog entity.
* @return string html
*/
function blog_get_page_content_read($owner_guid = NULL, $guid = NULL) {
$content = elgg_view('page_elements/content_header', array('context' => $context, 'type' => 'blog'));
if ($guid) {
$blog = get_entity($guid);
if (!elgg_instanceof($blog, 'object', 'blog') && $blog->status == 'final') {
$content .= elgg_echo('blog:error:post_not_found');
} else {
elgg_push_breadcrumb($blog->title, $blog->getURL());
$content .= elgg_view_entity($blog, TRUE);
}
} else {
$options = array(
'type' => 'object',
'subtype' => 'blog',
'full_view' => FALSE,
'order_by_metadata' => array('name'=>'publish_date', 'direction'=>'DESC', 'as'=>'int')
);
if ($owner_guid) {
$options['owner_guid'] = $owner_guid;
}
// show all posts for admin or users looking at their own blogs
// show only published posts for other users.
if (!(isadminloggedin() || (isloggedin() && $owner_guid == get_loggedin_userid()))) {
$options['metadata_name_value_pairs'] = array(
array('name' => 'status', 'value' => 'published'),
array('name' => 'publish_date', 'operand' => '<', 'value' => time())
);
}
$content .= elgg_list_entities_from_metadata($options);
}
return array('content' => $content);
}
/**
* Returns HTML to edit a blog post.
*
* @param int $guid
* @param int annotation id optional revision to edit
* @return string html
*/
function blog_get_page_content_edit($guid, $revision = NULL) {
$vars = array();
if ($guid) {
$blog = get_entity((int)$guid);
if (elgg_instanceof($blog, 'object', 'blog') && $blog->canEdit()) {
$vars['entity'] = $blog;
if ($revision) {
$revision = get_annotation((int)$revision);
$vars['revision'] = $revision;
if (!$revision || !($revision->entity_guid == $guid)) {
$content = elgg_echo('blog:error:revision_not_found');
}
}
elgg_push_breadcrumb($blog->title, $blog->getURL());
elgg_push_breadcrumb(elgg_echo('edit'));
$content = elgg_view('blog/forms/edit', $vars);
$sidebar = elgg_view('blog/sidebar_revisions', array('entity' => $blog));
//$sidebar .= elgg_view('blog/sidebar_related');
} else {
$content = elgg_echo('blog:error:post_not_found');
}
} else {
elgg_push_breadcrumb(elgg_echo('blog:new'));
$content = elgg_view('blog/forms/edit', $vars);
//$sidebar = elgg_view('blog/sidebar_related');
}
return array('content' => $content, 'sidebar' => $sidebar);
}
/**
* Returns an appropriate excerpt for a blog.
*
* @param string $text
* @return string
*/
function blog_make_excerpt($text) {
return substr(strip_tags($text), 0, 300);
}
/**
* Extended class to override the time_created
*/
class ElggBlog extends ElggObject {
protected function initialise_attributes() {
parent::initialise_attributes();
// override the default file subtype.
$this->attributes['subtype'] = 'blog';
}
/**
* Override the value returned for time_created
*/
public function __get($name) {
if ($name == 'time_created') {
$name = 'time_created';
}
return $this->get($name);
}
}
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