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<?php |
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/** |
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* class-groups-utility.php |
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* |
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* Copyright (c) "kento" Karim Rahimpur www.itthinx.com |
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* |
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* This code is released under the GNU General Public License. |
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* See COPYRIGHT.txt and LICENSE.txt. |
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* |
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* This code is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* This header and all notices must be kept intact. |
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* |
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* @author Karim Rahimpur |
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* @package groups |
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* @since groups 1.0.0 |
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*/ |
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|
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/** |
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* Utility functions. |
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*/ |
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class Groups_Utility { |
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|
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/** |
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* Checks an id (0 is accepted => anonymous). |
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* |
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* @param string|int $id |
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* @return int|boolean if validated, the id as an int, otherwise false |
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*/ |
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public static function id( $id ) { |
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$result = false; |
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if ( is_numeric( $id ) ) { |
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$id = intval( $id ); |
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//if ( $id > 0 ) { |
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if ( $id >= 0 ) { // 0 => anonymous |
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$result = $id; |
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} |
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} |
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return $result; |
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} |
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|
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/** |
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* Returns an array of blog_ids for current blogs. |
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* @return array of int with blog ids |
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*/ |
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public static function get_blogs() { |
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global $wpdb; |
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$result = array(); |
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if ( is_multisite() ) { |
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$blogs = $wpdb->get_results( $wpdb->prepare( |
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"SELECT blog_id FROM $wpdb->blogs WHERE site_id = %d AND archived = '0' AND spam = '0' AND deleted = '0' ORDER BY registered DESC", |
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$wpdb->siteid |
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) ); |
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if ( is_array( $blogs ) ) { |
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foreach( $blogs as $blog ) { |
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$result[] = $blog->blog_id; |
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} |
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} |
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} else { |
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$result[] = get_current_blog_id(); |
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} |
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return $result; |
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} |
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|
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|
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public static function get_group_tree( &$tree = null ) { |
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global $wpdb; |
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$group_table = _groups_get_tablename( 'group' ); |
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|
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if ( $tree === null ) { |
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$tree = array(); |
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$root_groups = $wpdb->get_results( "SELECT group_id FROM $group_table WHERE parent_id IS NULL" ); |
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if ( $root_groups ) { |
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foreach( $root_groups as $root_group ) { |
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$group_id = Groups_Utility::id( $root_group->group_id ); |
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$tree[$group_id] = array(); |
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} |
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} |
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self::get_group_tree( $tree ); |
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} else { |
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foreach( $tree as $group_id => $nodes ) { |
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$children = $wpdb->get_results( $wpdb->prepare( |
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"SELECT group_id FROM $group_table WHERE parent_id = %d", |
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Groups_Utility::id( $group_id ) |
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) ); |
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foreach( $children as $child ) { |
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$tree[$group_id][$child->group_id] = array(); |
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} |
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self::get_group_tree( $tree[$group_id] ); |
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} |
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} |
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|
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return $tree; |
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} |
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|
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public static function render_group_tree( &$tree, &$output ) { |
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$output .= '<ul style="padding-left:1em">'; |
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foreach( $tree as $group_id => $nodes ) { |
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$output .= '<li>'; |
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$group = Groups_Group::read( $group_id ); |
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if ( $group ) { |
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$output .= $group->name; |
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} |
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if ( !empty( $nodes ) ) { |
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self::render_group_tree( $nodes, $output ); |
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} |
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$output .= '</li>'; |
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} |
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$output .= '</ul>'; |
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} |
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} |
