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<?php |
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/** |
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* Role logic: retrieving, updating, and checking permission. |
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* |
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* @package MultipleRoles |
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*/ |
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class MDMR_Model { |
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|
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|
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/** |
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* Grab all WordPress roles. |
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* |
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* @return array Roles in name => label pairs. |
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*/ |
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public function get_roles() { |
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global $wp_roles; |
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return apply_filters( 'mdmr_get_roles', $wp_roles->role_names ); |
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} |
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|
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/** |
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* Get all editable roles by the current user |
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* |
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* @return array editable roles |
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*/ |
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public function get_editable_roles() { |
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$editable_roles = get_editable_roles(); |
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$final_roles = array(); |
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foreach ( $editable_roles as $key => $role ) { |
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$final_roles[ $key ] = $role['name']; |
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} |
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|
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return apply_filters( 'mdmr_get_editable_roles', (array) $final_roles ); |
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} |
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|
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/** |
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* Grab a particular user's roles. |
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* |
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* @param object|int $user The user object or ID. |
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* @return array Roles in name => label pairs. |
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*/ |
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public function get_user_roles( $user = 0 ) { |
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if ( ! $user ) { |
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return array(); |
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} |
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|
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$user = get_user_by( 'id', (int) $user ); |
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if ( empty( $user->roles ) ) { |
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return array(); |
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} |
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|
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$all_roles = $this->get_roles(); |
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$roles = array(); |
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foreach ( $user->roles as $role ) { |
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$roles[ $role ] = $all_roles[ $role ]; |
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} |
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|
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return apply_filters( 'mdmr_get_user_roles', $roles ); |
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} |
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|
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/** |
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* Erase the user's existing roles and replace them with the new array. |
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* |
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* @param integer $user_id The WordPress user ID. |
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* @param array $roles The new array of roles for the user. |
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* |
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* @return bool |
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*/ |
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public function update_roles( $user_id = 0, $roles = array() ) { |
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do_action( 'mdmr_before_update_roles', $user_id, $roles ); |
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|
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$roles = array_map( 'sanitize_key', (array) $roles ); |
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$roles = array_filter( (array) $roles, 'get_role' ); |
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|
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$user = get_user_by( 'id', (int) $user_id ); |
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|
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if ( ! $user ) { |
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return false; |
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} |
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|
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// Remove all editable roles |
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$editable = get_editable_roles(); |
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$editable_roles = is_array( $editable ) ? array_keys( $editable ) : array(); |
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foreach ( $editable_roles as $role ) { |
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$user->remove_role( $role ); |
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} |
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|
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// Only add back roles the current user is actually allowed to grant. |
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$roles = array_intersect( $roles, $editable_roles ); |
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|
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foreach ( $roles as $role ) { |
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$user->add_role( $role ); |
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} |
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|
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do_action( 'mdmr_after_update_roles', $user_id, $roles, $user->roles ); |
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|
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return true; |
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} |
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|
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/** |
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* Check whether or not a user can edit roles. User must have the edit_roles cap and |
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* must be on a specific site (and not in the network admin area). Users also can't |
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* edit their own roles unless they're a network admin. |
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* |
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* @return bool True if current user can update roles, false if not. |
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*/ |
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public function can_update_roles() { |
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do_action( 'mdmr_before_can_update_roles' ); |
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|
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if ( is_network_admin() || ! current_user_can( 'promote_users' ) || ( defined( 'IS_PROFILE_PAGE' ) && IS_PROFILE_PAGE && ! current_user_can( 'manage_sites' ) ) ) { |
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return false; |
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} |
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|
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return true; |
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} |
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|
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} |
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|
