require dirname(dirname(dirname(__FILE__))) . '/init.php';
safe_require('artefact', 'blog');
$id = param_integer('id');
$limit = param_integer('limit', ArtefactTypeBlog::pagination);
$offset = param_integer('offset', 0);
$options = json_decode(param_variable('options'));
$viewid = isset($options->viewid) ? $options->viewid : null;
if ($viewid) {
if (!can_view_view($viewid)) {
throw new AccessDeniedException();
}
} else {
if (!$USER->is_logged_in()) {
throw new AccessDeniedException();
}
if (!$viewid && get_field('artefact', 'owner', 'id', $id) != $USER->get('id')) {
throw new AccessDeniedException();
}
}
($postids = get_records_sql_array("\n SELECT a.id\n FROM {artefact} a\n LEFT OUTER JOIN {artefact_blog_blogpost} bp\n ON a.id = bp.blogpost\n WHERE a.parent = ?\n AND bp.published = 1\n ORDER BY a.ctime DESC\n LIMIT ? OFFSET ?;", array($id, $limit, $offset))) || ($postids = array());
$data = array();
foreach ($postids as $postid) {
$blogpost = new ArtefactTypeBlogPost($postid->id);
$data[] = array('id' => $postid->id, 'content' => $blogpost->render_self((array) $options));
}
$count = (int) get_field_sql("\n SELECT COUNT(*)\n FROM {artefact} a\n LEFT OUTER JOIN {artefact_blog_blogpost} bp\n ON a.id = bp.blogpost\n WHERE a.parent = ?\n AND bp.published = 1", array($id));
if (!$count) {
$count = 1;
$data = array(array('content' => get_string('noresults', 'artefact.blog')));
}
json_reply(false, array('count' => $count, 'limit' => $limit, 'offset' => $offset, 'data' => $data));
/**
* Renders a blog for a view. This involves using a tablerenderer to paginate the posts.
*
* This uses some legacy stuff from the old views interface, including its
* dependence on javascript and the table renderer, which would be nice to
* fix using the new pagination stuff some time.
*
* @param array Options for rendering
* @return array A two key array, 'html' and 'javascript'.
*/
public function render_self($options)
{
$this->add_to_render_path($options);
$smarty = smarty_core();
if (isset($options['viewid'])) {
$smarty->assign('artefacttitle', '<a href="' . get_config('wwwroot') . 'view/artefact.php?artefact=' . $this->get('id') . '&view=' . $options['viewid'] . '">' . hsc($this->get('title')) . '</a>');
} else {
$smarty->assign('artefacttitle', hsc($this->get('title')));
}
$smarty->assign('options', $options);
$smarty->assign('description', clean_html($this->get('description')));
// Remove unnecessary options for blog posts
unset($options['hidetitle']);
$page = isset($options['page']) ? abs(intval($options['page'])) : abs(param_integer('page', 1));
$offset = $page ? $page * self::pagination - self::pagination : 1;
$postids = get_column_sql("\n SELECT a.id\n FROM {artefact} a\n LEFT JOIN {artefact_blog_blogpost} bp ON a.id = bp.blogpost\n WHERE a.parent = ?\n AND bp.published = 1\n ORDER BY a.ctime DESC\n LIMIT ? OFFSET ?", array($this->get('id'), self::pagination, $offset));
$postcount = $this->count_published_posts();
$data = array();
foreach ($postids as $postid) {
$blogpost = new ArtefactTypeBlogPost($postid);
$data[] = array('id' => $postid, 'content' => $blogpost->render_self($options));
}
$smarty->assign('postdata', $data);
// Pagination
if ($postcount > self::pagination) {
$baselink = get_config('wwwroot') . 'view/artefact.php?artefact=' . $this->get('id');
if (isset($options['viewid'])) {
$baselink .= '&view=' . $options['viewid'];
}
if ($offset + self::pagination < $postcount) {
$smarty->assign('olderpostslink', $baselink . '&page=' . ($page + 1));
}
if ($offset > 0) {
$smarty->assign('newerpostslink', $baselink . '&page=' . ($page - 1));
}
}
return array('html' => $smarty->fetch('blocktype:blog:blog_render_self.tpl'), 'javascript' => '');
}
