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<?php
/**
* Save blog entity
*
* @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/
*/
// start a new sticky form session in case of failure
//elgg_make_sticky_form();
// store errors to pass along
$error = FALSE;
$error_forward_url = $_SERVER['HTTP_REFERER'];
$user = get_loggedin_user();
// edit or create a new entity
$guid = get_input('guid');
if ($guid) {
$entity = get_entity($guid);
if (elgg_instanceof($entity, 'object', 'blog') && $entity->canEdit()) {
$blog = $entity;
} else {
register_error(elgg_echo('blog:error:post_not_found'));
forward(get_input('forward', $_SERVER['HTTP_REFERER']));
}
$success_forward_url = get_input('forward', $blog->getURL());
// save some data for revisions once we save the new edit
$revision_text = $blog->description;
$new_post = $blog->new_post;
} else {
$blog = new ElggBlog();
$blog->subtype = 'blog';
$success_forward_url = get_input('forward');
$new_post = TRUE;
}
// set defaults and required values.
$values = array(
'title' => '',
'description' => '',
'status' => 'draft',
'access_id' => ACCESS_DEFAULT,
'comments_on' => 'On',
'excerpt' => '',
'tags' => '',
'container_guid' => ''
);
// fail if a required entity isn't set
$required = array('title', 'description');
// load from POST and do sanity and access checking
foreach ($values as $name => $default) {
$value = get_input($name, $default);
if (in_array($name, $required) && empty($value)) {
$error = elgg_echo("blog:error:missing:$name");
}
if ($error) {
break;
}
switch ($name) {
case 'tags':
if ($value) {
$values[$name] = string_to_tag_array($value);
} else {
unset ($values[$name]);
}
break;
case 'excerpt':
if ($value) {
$value = elgg_make_excerpt($value);
} else {
$value = elgg_make_excerpt($values['description']);
}
$values[$name] = $value;
break;
case 'container_guid':
// this can't be empty or saving the base entity fails
if (!empty($value)) {
if (can_write_to_container($user->getGUID(), $value)) {
$values[$name] = $value;
} else {
$error = elgg_echo("blog:error:cannot_write_to_container");
}
} else {
unset($values[$name]);
}
break;
// don't try to set the guid
case 'guid':
unset($values['guid']);
break;
default:
$values[$name] = $value;
break;
}
}
// build publish_date
//$publish_month = get_input('publish_month');
//$publish_day = get_input('publish_day');
//$publish_year = get_input('publish_year');
//$publish_hour = get_input('publish_hour');
//$publish_minute = get_input('publish_minute');
//$datetime = "$publish_year-$publish_month-$publish_day $publish_hour:$publish_minute:00";
//$values['publish_date'] = date('U', strtotime($datetime));
// setting publish_date to now until the problems with locale dates can be resolved.
$values['publish_date'] = time();
// assign values to the entity, stopping on error.
if (!$error) {
foreach ($values as $name => $value) {
if (FALSE === ($blog->$name = $value)) {
$error = elgg_echo('blog:error:cannot_save' . "$name=$value");
break;
}
}
}
// only try to save base entity if no errors
if (!$error) {
if ($blog->save()) {
// remove sticky form entries
elgg_clear_sticky_form();
// remove autosave draft if exists
$blog->clearAnnotations('blog_auto_save');
// no longer a brand new post.
$blog->clearMetadata('new_post');
// if this was an edit, create a revision annotation
if (!$new_post && $revision_text) {
$blog->annotate('blog_revision', $revision_text);
}
system_message(elgg_echo('blog:message:saved'));
// @todo do we want to alert on updates?
if ($new_post && $blog->status == 'published') {
add_to_river('river/object/blog/create', 'create', get_loggedin_userid(), $blog->getGUID());
}
forward($success_forward_url);
} else {
register_error(elgg_echo('blog:error:cannot_save'));
forward($error_forward_url);
}
} else {
register_error($error);
forward($error_forward_url);
}
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