/**
* Helper function for checking if a user can read forums, topics, or replies. We need this to handle
* users who are not logged in but should have permission to read (e.g, non-private forums). This
* function is meant to be used in conjunction with a filter on `map_meta_cap`.
*
* @since 1.0.0
* @access public
* @param int $user_id
* @param string $cap
* @param int $post_id
* @return bool
*/
function mb_user_can($user_id, $cap, $post_id)
{
// @todo Check hierarchy.
if (in_array($cap, array('read_forum', 'read_topic', 'read_reply'))) {
if ('read_forum' === $cap) {
$status_obj = get_post_status_object(mb_get_forum_status($post_id));
} elseif ('read_topic' === $cap) {
$status_obj = get_post_status_object(mb_get_topic_status($post_id));
} elseif ('read_forum' === $cap) {
$status_obj = get_post_status_object(mb_get_reply_status($post_id));
}
if (false === $status_obj->private && false === $status_obj->protected) {
return true;
}
}
return user_can($user_id, $cap, $post_id);
}
/**
* Overwrites capabilities in certain scenarios.
*
* @since 1.0.0
* @access public
* @param array $caps
* @param string $cap
* @param int $user_id
* @param array $args
* @return array
*/
function mb_forum_map_meta_cap($caps, $cap, $user_id, $args)
{
/* Checks if a user can read a specific forum. */
if ('read_post' === $cap && mb_is_forum($args[0])) {
$post = get_post($args[0]);
if ($user_id != $post->post_author) {
$parent_id = $post->post_parent;
/* If we have a parent forum and the user can't read it, don't allow reading this forum. */
if (0 < $parent_id && !mb_user_can($user_id, 'read_forum', $parent_id)) {
$caps = array('do_not_allow');
/* If the user can read the parent forum, check if they can read this one. */
} else {
$post_type = get_post_type_object($post->post_type);
$post_status = mb_get_forum_status($post->ID);
$status_obj = get_post_status_object($post_status);
if (mb_get_hidden_post_status() === $status_obj->name) {
$caps[] = $post_type->cap->read_hidden_forums;
} elseif (mb_get_private_post_status() === $status_obj->name) {
$caps[] = $post_type->cap->read_private_posts;
} elseif ($post_type->cap->read !== $post_type->cap->read_others_forums) {
$caps[] = $post_type->cap->read_others_forums;
} else {
$caps = array();
}
}
} else {
$caps = array();
}
/* Meta cap for editing a single forum. */
} elseif ('edit_post' === $cap && mb_is_forum($args[0])) {
$post = get_post($args[0]);
$forum_obj = get_post_type_object(mb_get_forum_post_type());
if ($user_id != $post->post_author) {
// Open forums.
if (mb_is_forum_open($args[0])) {
$caps[] = $forum_obj->cap->edit_open_forums;
} elseif (mb_is_forum_closed($args[0])) {
$caps[] = $forum_obj->cap->edit_closed_forums;
} elseif (mb_is_forum_hidden($args[0])) {
$caps[] = $forum_obj->cap->edit_hidden_forums;
}
}
/* Meta cap for opening a single forum. */
} elseif ('open_forum' === $cap) {
$caps = array();
$caps[] = user_can($user_id, 'edit_forum', $args[0]) ? 'open_forums' : 'do_not_allow';
/* Meta cap for closing a single forum. */
} elseif ('close_forum' === $cap) {
$caps = array();
$caps[] = user_can($user_id, 'edit_forum', $args[0]) ? 'close_forums' : 'do_not_allow';
/* Meta cap for privatizing a single forum. */
} elseif ('privatize_forum' === $cap) {
$caps = array();
$caps[] = user_can($user_id, 'edit_forum', $args[0]) ? 'privatize_forums' : 'do_not_allow';
/* Meta cap for hiding a single forum. */
} elseif ('hide_forum' === $cap) {
$caps = array();
$caps[] = user_can($user_id, 'edit_forum', $args[0]) ? 'hide_forums' : 'do_not_allow';
/* Meta cap for spamming a single forum. */
} elseif ('archive_forum' === $cap) {
$caps = array();
$caps[] = user_can($user_id, 'edit_forum', $args[0]) ? 'archive_forums' : 'do_not_allow';
/* Meta cap for deleting a specific forum. */
} elseif ('delete_post' === $cap && mb_is_forum($args[0])) {
$forum_id = mb_get_forum_id($args[0]);
if (mb_get_default_forum_id() === $forum_id) {
$caps = array('do_not_allow');
}
/* Meta cap check for accessing the forum form. */
} elseif ('access_forum_form' === $cap) {
$caps = array('create_forums');
/* If this is a single forum page, check if user can create sub-forums. */
if (mb_is_single_forum()) {
$forum_id = mb_get_forum_id();
if (!current_user_can('read_forum', $forum_id)) {
$caps[] = 'do_not_allow';
} elseif (!mb_forum_allows_subforums($forum_id)) {
$caps[] = 'do_not_allow';
}
} elseif (mb_is_forum_edit() && !user_can($user_id, 'edit_post', mb_get_forum_id())) {
$caps[] = 'do_not_allow';
}
}
return $caps;
}
/**
* @see Walker::start_el()
* @since 1.0.0
*
* @param string $output Passed by reference. Used to append additional content.
* @param object $page Page data object.
* @param int $depth Depth of page in reference to parent pages. Used for padding.
* @param array $args Uses 'selected' argument for selected page to set selected HTML attribute for option element.
* @param int $id
*/
public function start_el(&$output, $page, $depth = 0, $args = array(), $id = 0)
{
$forum_type = mb_get_forum_type_object(mb_get_forum_type($page->ID));
$pad = str_repeat(' ', $depth * 3);
$output .= "\t<option class=\"level-{$depth}\" value=\"{$page->ID}\"";
if ($page->ID == $args['selected']) {
$output .= ' selected="selected"';
}
$post_status = mb_get_forum_status($page->ID);
if (mb_get_forum_post_type() === $args['child_type'] && !mb_forum_allows_subforums($page->ID)) {
$output .= ' disabled="disabled"';
} elseif (mb_get_topic_post_type() === $args['child_type'] && !mb_forum_allows_topics($page->ID)) {
$output .= ' disabled="disabled"';
}
$output .= '>';
$title = $page->post_title;
if ('' === $title) {
$title = sprintf(__('#%d (no title)'), $page->ID);
}
/**
* Filter the page title when creating an HTML drop-down list of pages.
*
* @since 3.1.0
*
* @param string $title Page title.
* @param object $page Page data object.
*/
$title = apply_filters('list_pages', $title, $page);
$output .= $pad . esc_html($title);
$output .= "</option>\n";
}
/**
* Handles the output for custom columns.
*
* @since 1.0.0
* @access public
* @param string $column
* @param int $post_id
*/
public function manage_columns($column, $post_id)
{
switch ($column) {
/* Post status column. */
case 'status':
$post_type = mb_get_forum_post_type();
$status = get_post_status_object(mb_get_forum_status($post_id));
/* If the forum has the "publish" post status, change it to "open". */
if (mb_get_publish_post_status() === $status->name) {
wp_update_post(array('ID' => $post_id, 'post_status' => mb_get_open_post_status()));
}
$url = add_query_arg(array('post_status' => $status->name, 'post_type' => $post_type), admin_url('edit.php'));
printf('<a href="%s">%s</a>', $url, $status->label);
break;
/* Forum type column. */
/* Forum type column. */
case 'type':
$post_type = mb_get_forum_post_type();
$forum_type = mb_get_forum_type_object(mb_get_forum_type($post_id));
$url = add_query_arg(array('post_type' => $post_type, 'forum_type' => $forum_type->name), admin_url('edit.php'));
printf('<a href="%s">%s</a>', $url, $forum_type->label);
break;
/* Topic count column. */
/* Topic count column. */
case 'subforums':
$subforum_count = mb_get_forum_subforum_count($post_id);
$subforum_count = !empty($subforum_count) ? absint($subforum_count) : number_format_i18n(0);
if (0 < $subforum_count) {
printf('<a href="%s">%s</a>', add_query_arg(array('post_type' => mb_get_forum_post_type(), 'post_parent' => $post_id), admin_url('edit.php')), $subforum_count);
} else {
echo $subforum_count;
}
break;
/* Topic count column. */
/* Topic count column. */
case 'topics':
$topic_count = mb_get_forum_topic_count($post_id);
$topic_count = !empty($topic_count) ? absint($topic_count) : number_format_i18n(0);
if (0 < $topic_count && current_user_can('edit_topics')) {
printf('<a href="%s">%s</a>', add_query_arg(array('post_type' => mb_get_topic_post_type(), 'post_parent' => $post_id), admin_url('edit.php')), $topic_count);
} else {
echo $topic_count;
}
break;
/* Reply count column. */
/* Reply count column. */
case 'replies':
$reply_count = mb_get_forum_reply_count($post_id);
$reply_count = !empty($reply_count) ? absint($reply_count) : number_format_i18n(0);
if (0 < $reply_count && current_user_can('edit_replies')) {
printf('<a href="%s">%s</a>', add_query_arg(array('post_type' => mb_get_reply_post_type(), 'mb_forum' => $post_id), admin_url('edit.php')), $reply_count);
} else {
echo $reply_count;
}
break;
/* Datetime column. */
/* Datetime column. */
case 'datetime':
the_time(get_option('date_format'));
echo '<br />';
the_time(get_option('time_format'));
break;
/* Just break out of the switch statement for everything else. */
/* Just break out of the switch statement for everything else. */
default:
break;
}
}
<label for="mb_forum_type"><?php
mb_forum_label('mb_form_type');
?>
</label>
<?php
mb_dropdown_forum_type();
?>
</p><!-- .mb-form-type -->
<p class="mb-form-status">
<label for="mb_post_status"><?php
mb_forum_label('mb_form_status');
?>
</label>
<?php
mb_dropdown_post_status(array('post_type' => mb_get_forum_post_type(), 'name' => 'mb_post_status', 'id' => 'mb_post_status', 'selected' => mb_get_forum_status()));
?>
</p><!-- .mb-form-status -->
<p class="mb-form-order">
<label for="mb_menu_order"><?php
mb_forum_label('mb_form_order');
?>
</label>
<input type="number" id="mb_menu_order" name="mb_menu_order" value="<?php
echo esc_attr(mb_get_forum_order());
?>
" />
</p><!-- .mb-form-order -->
<div class="mb-form-content">
