}
if (!($user = $DB->get_record('user', array('id' => $userid)))) {
print_error('invaliduserid');
}
if ($user->deleted) {
echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('userdeleted'));
echo $OUTPUT->footer();
die;
}
if ($USER->id == $userid) {
if (!has_capability('moodle/blog:create', $sitecontext) && !has_capability('moodle/blog:view', $sitecontext)) {
print_error('donothaveblog', 'blog');
}
} else {
if (!has_capability('moodle/blog:view', $sitecontext) || !blog_user_can_view_user_entry($userid)) {
print_error('cannotviewcourseblog', 'blog');
}
$PAGE->navigation->extend_for_user($user);
}
}
$courseid = empty($courseid) ? SITEID : $courseid;
$blogheaders = blog_get_headers();
$rsscontext = null;
$filtertype = null;
$thingid = null;
$rsstitle = '';
if ($CFG->enablerssfeeds) {
list($thingid, $rsscontext, $filtertype) = blog_rss_get_params($blogheaders['filters']);
if (empty($rsscontext)) {
$rsscontext = context_system::instance();
/**
* Validate comment parameter before perform other comments actions
*
* @package core_blog
* @category comment
*
* @param stdClass $comment {
* context => context the context object
* courseid => int course id
* cm => stdClass course module object
* commentarea => string comment area
* itemid => int itemid
* }
* @return boolean
*/
function blog_comment_validate($comment_param)
{
global $CFG, $DB, $USER;
// Check if blogs are enabled user can comment.
if (empty($CFG->enableblogs) || empty($CFG->blogusecomments)) {
throw new comment_exception('nopermissiontocomment');
}
// Validate comment area.
if ($comment_param->commentarea != 'format_blog') {
throw new comment_exception('invalidcommentarea');
}
$blogentry = $DB->get_record('post', array('id' => $comment_param->itemid), '*', MUST_EXIST);
// Validation for comment deletion.
if (!empty($comment_param->commentid)) {
if ($record = $DB->get_record('comments', array('id' => $comment_param->commentid))) {
if ($record->commentarea != 'format_blog') {
throw new comment_exception('invalidcommentarea');
}
if ($record->contextid != $comment_param->context->id) {
throw new comment_exception('invalidcontext');
}
if ($record->itemid != $comment_param->itemid) {
throw new comment_exception('invalidcommentitemid');
}
} else {
throw new comment_exception('invalidcommentid');
}
}
// Validate if user has blog view permission.
$sitecontext = context_system::instance();
return has_capability('moodle/blog:view', $sitecontext) && blog_user_can_view_user_entry($blogentry->userid, $blogentry);
}
if ($user->deleted) {
echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('userdeleted'));
echo $OUTPUT->footer();
die;
}
if ($USER->id == $userid) {
if (!has_capability('moodle/blog:create', $sitecontext) && !has_capability('moodle/blog:view', $sitecontext)) {
print_error('donothaveblog', 'blog');
}
} else {
$personalcontext = context_user::instance($userid);
if (!has_capability('moodle/blog:view', $sitecontext) && !has_capability('moodle/user:readuserblogs', $personalcontext)) {
print_error('cannotviewuserblog', 'blog');
}
if (!blog_user_can_view_user_entry($userid)) {
print_error('cannotviewcourseblog', 'blog');
}
$PAGE->navigation->extend_for_user($user);
}
}
$courseid = empty($courseid) ? SITEID : $courseid;
if (empty($entryid) && empty($modid) && empty($groupid)) {
$PAGE->set_context(context_user::instance($USER->id));
} else {
if (!empty($modid)) {
$PAGE->set_context(context_module::instance($modid));
} else {
if (!empty($courseid)) {
$PAGE->set_context(context_course::instance($courseid));
} else {
/**
* Add nodes to myprofile page.
*
* @param \core_user\output\myprofile\tree $tree Tree object
* @param stdClass $user user object
* @param bool $iscurrentuser
* @param stdClass $course Course object
*
* @return bool
*/
function core_blog_myprofile_navigation(core_user\output\myprofile\tree $tree, $user, $iscurrentuser, $course)
{
global $CFG;
if (!blog_is_enabled_for_user() || isguestuser($user)) {
// The guest user cannot post, so it is not possible to view any posts.
// Also blogs might be disabled.
// May as well just bail aggressively here.
return true;
}
if (!blog_user_can_view_user_entry($user->id)) {
return true;
}
$url = new moodle_url("/blog/index.php", array('userid' => $user->id));
if (!empty($course)) {
$url->param('courseid', $course->id);
}
if ($iscurrentuser) {
$title = get_string('blogentries', 'core_blog');
} else {
$title = get_string('myprofileuserblogs', 'core_blog');
}
$blognode = new core_user\output\myprofile\node('miscellaneous', 'blogs', $title, null, $url);
$tree->add_node($blognode);
return true;
}