/**
* Generate the reader selector interface.
*/
function cacsp_paper_reader_selector($paper_id)
{
global $wpdb;
// Get a list of readers, friends, and co-group-members to prime selectbox.
// @todo Add AJAX support.
$paper = new CACSP_Paper($paper_id);
$paper_reader_ids = $paper->get_reader_ids();
$groups_of_user = cacsp_get_groups_of_user(bp_loggedin_user_id());
if (empty($groups_of_user)) {
$groups_of_user = array(0);
}
// So dirty.
$bp = buddypress();
$group_member_ids = $wpdb->get_col($wpdb->prepare("SELECT user_id FROM {$bp->groups->table_name_members} WHERE group_id IN (" . implode(',', $groups_of_user) . ") AND user_id != %d AND is_banned = 0 AND is_confirmed = 1", bp_loggedin_user_id()));
$group_member_ids = array_map('intval', $group_member_ids);
$friend_member_ids = array();
if (bp_is_active('friends')) {
$friend_member_ids = friends_get_friend_user_ids(bp_loggedin_user_id());
}
$users = bp_core_get_users(array('include' => array_merge($paper_reader_ids, $group_member_ids, $friend_member_ids), 'type' => 'alphabetical'));
$user_data = array();
$selected = array();
if (!empty($users['users'])) {
foreach ($users['users'] as $user) {
$user_id = (int) $user->ID;
$user_data[] = array('id' => $user_id, 'text' => html_entity_decode($user->display_name, ENT_QUOTES, 'UTF-8'));
// Collect data about the existing readers.
if (in_array($user_id, $paper_reader_ids, true)) {
$selected[] = array('id' => $user_id, 'text' => stripslashes($user->display_name));
}
}
}
$script = 'var CACSP_Potential_Readers = ' . wp_json_encode($user_data) . ';';
echo "\n" . '<script type="text/javascript">' . $script . '</script>' . "\n";
// Select2 only needs an <option> printed for the selected options.
?>
<select name="cacsp-readers[]" multiple="multiple" style="width:100%;" id="cacsp-reader-selector">
<?php
foreach ($selected as $_selected) {
echo '<option value="' . esc_attr($_selected['id']) . '" selected="selected">' . esc_html($_selected['text']) . '</option>';
}
?>
</select>
<?php
wp_nonce_field('cacsp-reader-selector', 'cacsp-reader-selector-nonce');
}
/**
* Format activity actions for papers connected to groups.
*
* Disabled for the time being. Not sure if it's valuable information.
*
* @param string $action Formatted action string.
* @param obj $activity Activity item.
* @param CACSP_Paper $paper Paper object.
* @param string $paper_title Paper title.
* @param string $paper_link Paper URL.
* @param string $user_link User link.
* @return string
*/
function cacsp_format_activity_action_for_group($action, $activity, CACSP_Paper $paper, $paper_title, $paper_link, $user_link)
{
// Don't bother doing this on a group page.
if (bp_is_group()) {
return $action;
}
$paper_group_ids = $paper->get_group_ids();
if (empty($paper_group_ids)) {
return $action;
}
// @todo roll our own cache support here too? Le sigh.
$_paper_groups = groups_get_groups(array('populate_extras' => false, 'update_meta_cache' => false, 'show_hidden' => true, 'include' => $paper_group_ids));
$paper_groups = $_paper_groups['groups'];
// Only include groups that a user has access to. Groups a user is a member of come first.
$groups_to_include = array('is_member' => array(), 'is_not_member' => array());
$user_groups = array();
if (is_user_logged_in()) {
$user_groups = cacsp_get_groups_of_user(bp_loggedin_user_id());
}
foreach ($paper_groups as $pg) {
$pg_id = (int) $pg->id;
$k = null;
if (in_array($pg_id, $user_groups, true)) {
$k = 'is_member';
} elseif ('public' === $pg->status) {
$k = 'is_not_member';
}
if ($k) {
$groups_to_include[$k][$pg->name] = bp_get_group_permalink($pg) . 'papers/';
}
}
$links = array();
foreach ($groups_to_include as $gg) {
ksort($gg);
foreach ($gg as $group_name => $group_link) {
$links[] = sprintf('<a href="%s">%s</a>', esc_url($group_link), esc_html($group_name));
}
}
// @todo Other activity types.
// 1, 2, 3 groups: show all. 4+ groups: show first two + "and x more groups".
if ('new_cacsp_paper' === $activity->type) {
if (count($links) === 1) {
$action = sprintf(__('%1$s created a new paper %2$s in the group %3$s', 'social-paper'), $user_link, sprintf('<a href="%s">%s</a>', esc_url($paper_link), esc_html($paper_title)), implode('', $links));
} elseif (count($links) <= 3) {
$action = sprintf(_n('%1$s created a new paper %2$s in the group %3$s', '%1$s created a new paper in the groups %3$s', count($links), 'social-paper'), $user_link, sprintf('<a href="%s">%s</a>', esc_url($paper_link), esc_html($paper_title)), implode(', ', $links));
} else {
$remainder = count($links) - 2;
$action = sprintf(_n('%1$s created a new paper %2$s in %3$s and %4$s more group', '%1$s created a new paper in %3$s and %4$s more groups', $remainder, 'social-paper'), $user_link, sprintf('<a href="%s">%s</a>', esc_url($paper_link), esc_html($paper_title)), implode(', ', array_slice($links, 0, 2)), number_format_i18n($remainder));
}
}
return $action;
}
/**
* Add capabilities for subscribers and contributors.
*
* By default, subscribers and contributors do not have caps to post, edit or
* delete papers. This function injects these caps for users with these roles.
*
* @param array $caps The mapped caps
* @param string $cap The cap being mapped
* @param int $user_id The user id in question
* @param array $args Optional parameters passed to has_cap(). For us, this means the post ID.
* @return array
*/
function cacsp_map_extra_meta_caps($caps, $cap, $user_id, $args)
{
switch ($cap) {
// give user these caps
case 'publish_papers':
case 'edit_papers':
// handles adding tags/categories
break;
// meta caps
// meta caps
case 'edit_paper':
case 'delete_paper':
// bail if someone else's event
if (!empty($caps[0]) && false !== strpos($caps[0], 'others')) {
return $caps;
}
break;
case 'read_paper':
// Make sure authors can view their own post
if ((int) get_post($args[0])->post_author === $user_id) {
return array('exist');
}
$post_id = $args[0];
if (!cacsp_paper_is_protected($post_id)) {
return array('exist');
} else {
$paper = new CACSP_Paper($post_id);
$paper_reader_ids = $paper->get_reader_ids();
if (in_array(get_current_user_id(), $paper_reader_ids, true)) {
return array('exist');
} elseif (function_exists('bp_is_active') && bp_is_active('groups')) {
$paper_group_ids = $paper->get_group_ids();
$user_group_ids = cacsp_get_groups_of_user(get_current_user_id());
if (array_intersect($paper_group_ids, $user_group_ids)) {
return array('exist');
}
}
}
return array('do_not_allow');
// allow files to be uploaded via AJAX
// allow files to be uploaded via AJAX
case 'upload_files':
if (defined('DOING_AJAX') && true === constant('DOING_AJAX')) {
if (false === isset($_REQUEST['post_id'])) {
return $caps;
}
if (false === current_user_can('edit_paper', $_REQUEST['post_id'])) {
return $caps;
}
$user_id = get_current_user_id();
} else {
return $caps;
}
break;
default:
return $caps;
break;
}
// make sure user is valid
$user = new WP_User($user_id);
if (!is_a($user, 'WP_User') || empty($user->ID)) {
return $caps;
}
/**
* Filters Social Paper basic meta caps.
*
* @param array Pass 'exist' cap so users are able to manage papers.
* @param array $caps The mapped caps
* @param string $cap The cap being mapped
* @param WP_User The user being tested for the cap.
*/
return apply_filters('cacsp_map_extra_meta_caps', array('exist'), $caps, $cap, $user);
}