/**
* Overwrites capabilities in certain scenarios.
*
* @since 1.0.0
* @access public
* @param array $caps
* @param string $cap
* @param int $user_id
* @param array $args
* @return array
*/
function mb_reply_map_meta_cap($caps, $cap, $user_id, $args)
{
/* Checks if a user can read a specific reply. */
if ('read_post' === $cap && mb_is_reply($args[0])) {
$post = get_post($args[0]);
/* Only run our code if the user isn't the post author. */
if ($user_id != $post->post_author) {
$topic_id = $post->post_parent;
/* If we have a topic and the user can't read it, don't allow reading the reply. */
if (0 < $topic_id && !user_can($user_id, 'read_post', $topic_id)) {
$caps = array('do_not_allow');
/* If the user can read the topic, check if they can read the reply. */
} else {
$post_type = get_post_type_object($post->post_type);
if ($post_type->cap->read !== $post_type->cap->read_others_replies) {
$caps[] = $post_type->cap->read_others_replies;
} else {
$caps = array();
}
}
} else {
$caps = array();
}
/* Meta cap for editing a single reply. */
} elseif ('edit_post' === $cap && mb_is_reply($args[0])) {
$post = get_post($args[0]);
$reply_obj = get_post_type_object(mb_get_reply_post_type());
// Spam topics
if (mb_is_reply_spam($args[0])) {
$caps[] = $reply_obj->cap->edit_spam_replies;
}
/* Meta cap for spamming a single reply. */
} elseif ('spam_reply' === $cap) {
$caps = array();
$caps[] = user_can($user_id, 'edit_reply', $args[0]) ? 'spam_replies' : 'do_not_allow';
/* Meta cap check for accessing the reply form. */
} elseif ('access_reply_form' === $cap) {
$caps = array('create_replies');
if (mb_is_single_topic()) {
$topic_id = mb_get_topic_id();
$topic_status = mb_get_topic_status($topic_id);
$topic_type = mb_get_topic_type($topic_id);
if (!current_user_can('read_topic', $topic_id)) {
$caps[] = 'do_not_allow';
} elseif (!mb_topic_allows_replies($topic_id)) {
$caps[] = 'do_not_allow';
}
} elseif (mb_is_reply_edit() && !user_can($user_id, 'edit_post', mb_get_reply_id())) {
$caps[] = 'do_not_allow';
}
}
return $caps;
}
/**
* Creates a dropdown `<select>` for selecting the topic type in forms.
*
* @since 1.0.0
* @access public
* @param array $args
* @return string
*/
function mb_dropdown_topic_type($args = array())
{
$defaults = array('name' => 'mb_topic_type', 'id' => 'mb_topic_type', 'selected' => mb_get_topic_type(), 'echo' => true);
$args = wp_parse_args($args, $defaults);
$types = mb_get_topic_type_objects();
$out = sprintf('<select name="%s" id="%s">', sanitize_html_class($args['name']), sanitize_html_class($args['id']));
if (!empty($args['selected']) && !current_user_can(mb_get_topic_type_object($args['selected'])->capability)) {
$type = mb_get_topic_type_object($args['selected']);
$out .= sprintf('<option value="%s"%s>%s</option>', esc_attr($type->name), selected($type->name, $args['selected'], false), $type->label);
} else {
foreach ($types as $type) {
if (!current_user_can($type->capability)) {
continue;
}
$out .= sprintf('<option value="%s"%s>%s</option>', esc_attr($type->name), selected($type->name, $args['selected'], false), $type->label);
}
}
$out .= '</select>';
if (!$args['echo']) {
return $out;
}
echo $out;
}
/**
* Conditional check to see if a topic allows new replies to be created.
*
* @since 1.0.0
* @access public
* @param int $topic
* @return bool
*/
function mb_topic_allows_replies($topic_id = 0)
{
$topic_id = mb_get_forum_id($topic_id);
$forum_id = mb_get_topic_forum_id($topic_id);
$allow = true;
/* Check if the topic type allows replies. */
if (!mb_topic_type_allows_replies(mb_get_topic_type($topic_id))) {
$allow = false;
} elseif (!mb_topic_status_allows_replies(mb_get_topic_status($topic_id))) {
$allow = false;
} elseif (0 < $forum_id && !mb_forum_allows_topics($forum_id)) {
$allow = false;
}
return apply_filters('mb_topic_allows_replies', $allow, $topic_id);
}
/**
* Topic attributes meta box. This handles whether the topic is sticky and the parent forum. It also
* has the hidden input to save the proper `menu_order` field for the post.
*
* @since 1.0.0
* @access public
* @param object $post
* @return void
*/
function mb_topic_attributes_meta_box($post)
{
wp_nonce_field('_mb_topic_attr_nonce', 'mb_topic_attr_nonce');
$topic_type_object = get_post_type_object(mb_get_topic_post_type());
?>
<p>
<label for="mb_topic_type">
<strong><?php
_e('Topic Type:', 'message-board');
?>
</strong>
</label>
</p>
<p>
<?php
mb_dropdown_topic_type(array('selected' => mb_get_topic_type($post->ID)));
?>
</p>
<p>
<label for="mb_parent_forum">
<strong><?php
echo $topic_type_object->labels->parent_item_colon;
?>
</strong>
</label>
</p>
<p>
<?php
mb_dropdown_forums(array('child_type' => mb_get_topic_post_type(), 'name' => 'parent_id', 'id' => 'mb_parent_forum', 'selected' => !empty($post->post_parent) ? $post->post_parent : mb_get_default_forum_id()));
?>
</p>
<?php
$order = 0 != $post->ID ? $post->post_date : current_time('mysql');
?>
<input type="hidden" name="menu_order" value="<?php
echo esc_attr(mysql2date('U', $order));
?>
" />
<?php
}
/**
* Callback for the `save_post` hook to handle meta boxes.
*
* @since 1.0.0
* @access public
* @param int $post_id
* @param object $post
* @return void
*/
function save_post($post_id, $post)
{
/* Fix for attachment save issue in WordPress 3.5. @link http://core.trac.wordpress.org/ticket/21963 */
if (!is_object($post)) {
$post = get_post();
}
if (mb_get_topic_post_type() !== $post->post_type) {
return;
}
if (!isset($_POST['mb_topic_attr_nonce']) || !wp_verify_nonce($_POST['mb_topic_attr_nonce'], '_mb_topic_attr_nonce')) {
return;
}
/* Get the new topic type. */
$topic_type = sanitize_key($_POST['mb_topic_type']);
if (mb_get_topic_type($post_id) !== $topic_type && mb_topic_type_exists($topic_type)) {
if ('super' === $topic_type) {
mb_add_super_topic($post_id);
} elseif ('sticky' === $topic_type) {
mb_add_sticky_topic($post_id);
} elseif ('normal' === $topic_type && mb_is_topic_super($post_id)) {
mb_remove_super_topic($post_id);
} elseif ('normal' === $topic_type && mb_is_topic_sticky($post_id)) {
mb_remove_sticky_topic($post_id);
}
/* Set the new topic type. */
mb_set_topic_type($post_id, $topic_type);
}
}
