bp_nouveau_ajax_followunfollow_member()

function bp_nouveau_ajax_followunfollow_member() {
	$response = array(
		'feedback' => sprintf(
			'<div class="bp-feedback error bp-ajax-message"><p>%s</p></div>',
			esc_html__( 'There was a problem performing this action. Please try again.', 'buddyboss' )
		),
	);

	// Bail if not a POST action.
	if ( ! bp_is_post_request() ) {
		wp_send_json_error( $response );
	}

	if ( empty( $_POST['_wpnonce'] ) || empty( $_POST['item_id'] ) ) {
		wp_send_json_error( $response );
	}

	// Use default nonce
	$nonce = $_POST['_wpnonce'];
	$check = 'bp_nouveau_follow';

	// Use a specific one for actions needed it
	if ( ! empty( $_POST['_wpnonce'] ) && ! empty( $_POST['action'] ) ) {
		$nonce = $_POST['_wpnonce'];
		$check = $_POST['action'];
	}

	// Nonce check!
	if ( empty( $nonce ) || ! wp_verify_nonce( $nonce, $check ) ) {
		wp_send_json_error( $response );
	}

	// Cast fid as an integer.
	$leader_id = (int) $_POST['item_id'];

	// Check if the user exists
	if ( isset( $_POST['action'] ) ) {
		$user = get_user_by( 'id', $leader_id );
		if ( ! $user ) {
			wp_send_json_error(
				array(
					'feedback' => sprintf(
						'<div class="bp-feedback error">%s</div>',
						esc_html__( 'No member found with that ID.', 'buddyboss' )
					),
				)
			);
		}
	}

	$is_following = bp_is_following( array( 'leader_id' => $leader_id, 'follower_id' => bp_loggedin_user_id() ) );

	// Trying to unfollow.
	if ( $is_following ) {
		if ( ! bp_stop_following( array( 'leader_id' => $leader_id, 'follower_id' => bp_loggedin_user_id() ) ) ) {

			$response['feedback'] = sprintf(
				'<div class="bp-feedback error">%s</div>',
				esc_html__( 'There was a problem when trying to unfollow this user.', 'buddyboss' )
			);

			wp_send_json_error( $response );
		} else {

			if ( bp_has_members( 'include=' . $leader_id ) ) {
				while ( bp_members() ) {
					bp_the_member();
					wp_send_json_success( array(
						'contents' => bp_get_add_follow_button( $leader_id, bp_loggedin_user_id(), array(
							'parent_element' => 'li',
							'button_element' => 'button'
						) )
					) );
				}
			} else {
				wp_send_json_success( array( 'contents' => '' ) );
			}
		}

		// Trying to follow.
	} elseif ( ! $is_following ) {
		if ( ! bp_start_following( array( 'leader_id' => $leader_id, 'follower_id' => bp_loggedin_user_id() ) ) ) {

			$response['feedback'] = sprintf(
				'<div class="bp-feedback error">%s</div>',
				esc_html__( 'There was a problem when trying to follow this user.', 'buddyboss' )
			);

			wp_send_json_error( $response );
		} else {
			if ( bp_has_members( 'include=' . $leader_id ) ) {
				while ( bp_members() ) {
					bp_the_member();
					wp_send_json_success( array(
						'contents' => bp_get_add_follow_button( $leader_id, bp_loggedin_user_id(), array(
							'parent_element' => 'li',
							'button_element' => 'button'
						) )
					) );
				}
			} else {
				wp_send_json_success( array( 'contents' => '' ) );
			}
		}
	} else {
		$response['feedback'] = sprintf(
			'<div class="bp-feedback error">%s</div>',
			esc_html__( 'Request Pending', 'buddyboss' )
		);

		wp_send_json_error( $response );
	}
}