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<?php
/**
* Elgg blog: edit post action
*
* @package ElggBlog
* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
* @author Curverider Ltd <info@elgg.com>
* @copyright Curverider Ltd 2008-2009
* @link http://elgg.org/
*/
// Make sure we're logged in (send us to the front page if not)
gatekeeper();
// make sure action is secure
action_gatekeeper();
// Get input data
$guid = (int) get_input('blogpost');
$title = get_input('blogtitle');
$body = get_input('blogbody');
$access = get_input('access_id');
$tags = get_input('blogtags');
$comments_on = get_input('comments_select','Off');
$excerpt = get_input('blogexcerpt');
if($excerpt){
if(strlen($excerpt) > 300)
$excerpt = substr($excerpt, 0, strpos($excerpt, ' ', 300));
else
$excerpt = strip_tags($excerpt);
$show_excerpt = true;
}
if(!$excerpt){
//grab the first 300 characters
if(strlen($body) > 300)
$excerpt = substr($body, 0, strpos($body, ' ', 300)) . "...";
else
$excerpt = strip_tags($body);
$show_excerpt = false;
}
// Make sure we actually have permission to edit
$blog = get_entity($guid);
if ($blog->getSubtype() == "blog" && $blog->canEdit()) {
// Cache to the session
$_SESSION['user']->blogtitle = $title;
$_SESSION['user']->blogbody = $body;
$_SESSION['user']->blogtags = $tags;
// Convert string of tags into a preformatted array
$tagarray = string_to_tag_array($tags);
// Make sure the title / description aren't blank
if (empty($title) || empty($body)) {
register_error(elgg_echo("blog:blank"));
forward("mod/blog/add.php");
// Otherwise, save the blog post
} else {
// Get owning user
$owner = get_entity($blog->getOwner());
// For now, set its access to public (we'll add an access dropdown shortly)
$blog->access_id = $access;
// Set its title and description appropriately
$blog->title = $title;
$blog->description = $body;
// Before we can set metadata, we need to save the blog post
if (!$blog->save()) {
register_error(elgg_echo("blog:error"));
forward("mod/blog/edit.php?blogpost=" . $guid);
}
// Now let's add tags. We can pass an array directly to the object property! Easy.
$blog->clearMetadata('tags');
if (is_array($tagarray)) {
$blog->tags = $tagarray;
}
$blog->excerpt = $excerpt;
$blog->comments_on = $comments_on; //whether the users wants to allow comments or not on the blog post
$blog->show_excerpt = $show_excerpt;
// Success message
system_message(elgg_echo("blog:posted"));
//add to the river
add_to_river('river/object/blog/update','update',$_SESSION['user']->guid,$blog->guid);
// Remove the blog post cache
//unset($_SESSION['blogtitle']); unset($_SESSION['blogbody']); unset($_SESSION['blogtags']);
remove_metadata($_SESSION['user']->guid,'blogtitle');
remove_metadata($_SESSION['user']->guid,'blogbody');
remove_metadata($_SESSION['user']->guid,'blogtags');
// Forward to the main blog page
$page_owner = get_entity($blog->container_guid);
if ($page_owner instanceof ElggUser)
$username = $page_owner->username;
else if ($page_owner instanceof ElggGroup)
$username = "group:" . $page_owner->guid;
forward("pg/blog/$username");
}
}
?>
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