BuddyPress same gender users visibility

same-gender-user-visibility-buddypress.php

<?php
/**
 * Filters Users based on Gender. Make sure only users of same genders are visible.
 */
class BuddyDev_Same_Gender_Based_Member_Filter {

    /**
     * Boot
     *
     * @return BuddyDev_Same_Gender_Based_Member_Filter
     */
    public static function boot() {
        $self = new self();
        $self->setup();
        return $self;
    }

    /**
     * Setup hooks.
     */
    private function setup() {
        add_filter( 'bp_after_has_members_parse_args', array( $this, 'filter_args' ) );

        add_action( 'bp_template_redirect', array( $this, 'check_access' ), 10, 2 );
    }

    /**
     * Modifies members loop args to filter out users of opposite gender.
     *
     * @param array $args Array of group allowed parameters.
     *
     * @return array
     */
    public function filter_args( $args ) {

        // do not filter if user is not logged in, or is super admin or we are inside dashboard.
        if ( ! is_user_logged_in() || is_super_admin() || ( is_admin() && ! defined( 'DOING_AJAX' ) ) ) {
            return $args;
        }

        $gender = $this->get_gender( bp_loggedin_user_id() );

        if ( $gender ) {
            $args['member_type'] = $gender;
        }

        return $args;
    }

    /**
     * Restricts access to user profile.
     *
     * Only allows profile owner, user of opposite gender or site admins to view.
     */
    public function check_access() {

        if ( ! is_user_logged_in() || ! bp_is_user() || bp_is_my_profile() || is_super_admin() ) {
            return;
        }

        $gender = $this->get_gender( bp_loggedin_user_id() );

        if ( ! $gender ) {
            return;
        }

        // do not allow access for opposite gender.
        if ( ! bp_has_member_type( bp_displayed_user_id(), $gender ) ) {
            bp_core_add_message( __( 'Access denied.' ), 'error' );
            bp_core_redirect( bp_loggedin_user_domain() );
        }
    }

    /**
     * Finds the gender for the given user.
     *
     * @param int $user_id user id.
     *
     * @return string|null
     */
    private function get_gender($user_id ) {

        $gender       = null;
        $member_types = bp_get_member_type( $user_id, false );

        if ( empty( $member_types ) ) {
            $gender = null;
        } elseif ( $this->is_user_male( $user_id ) ) {
            $gender = 'male';
        } elseif ( $this->is_user_female( $user_id ) ) {
            $gender = 'female';
        }

        return $gender;
    }

    /***
     * Checks if user is male or not.
     *
     * @param int $user_id User id to check.
     *
     * @return bool
     */
    private function is_user_male( $user_id ) {
        return bp_has_member_type( $user_id, 'male' );
    }

    /***
     * Checks if user is female or not.
     *
     * @param int $user_id User id to check.
     *
     * @return bool
     */
    private function is_user_female( $user_id ) {
        return bp_has_member_type( $user_id, 'female' );
    }
}

BuddyDev_Same_Gender_Based_Member_Filter::boot();