function bp_nouveau_ajax_remove_group_invite() {
	$user_id  = (int) $_POST['user'];
	$group_id = bp_get_current_group_id();

	$response = array(
		'feedback' => __( 'Group invitation could not be removed.', 'buddypress' ),
		'type'     => 'error',
	);

	// Verify nonce
	if ( empty( $_POST['_wpnonce'] ) || ! wp_verify_nonce( $_POST['_wpnonce'], 'groups_invite_uninvite_user' ) ) {
		wp_send_json_error( $response );
	}

	// Verify that a sent invite exists.
	$inviter_ids = groups_get_invites( array(
		'user_id'     => $user_id,
		'item_id'     => $group_id,
		'invite_sent' => 'sent',
		'fields'      => 'inviter_ids'
	) );

	if ( empty( $inviter_ids ) ) {
		wp_send_json_error( $response );
	}

	// Is the current user the inviter?
	$inviter_id = in_array( bp_loggedin_user_id(), $inviter_ids, true ) ? bp_loggedin_user_id() : false;

	// A site moderator, group admin or the inviting user should be able to remove an invitation.
	if ( ! bp_is_item_admin() && ! $inviter_id ) {
		wp_send_json_error( $response );
	}

	if ( groups_is_user_member( $user_id, $group_id ) ) {
		wp_send_json_error(
			array(
				'feedback' => __( 'The member is already a member of the group.', 'buddypress' ),
				'type'     => 'warning',
				'code'     => 1,
			)
		);
	}

	// Remove the invitation.
	if ( ! groups_uninvite_user( $user_id, $group_id, $inviter_id ) ) {
		wp_send_json_error(
			array(
				'feedback' => __( 'Group invitation could not be removed.', 'buddypress' ),
				'type'     => 'error',
				'code'     => 0,
			)
		);
	}

	wp_send_json_success(
		array(
			'feedback'    => __( 'There are no more pending invitations for the group.', 'buddypress' ),
			'type'        => 'info',
			'has_invites' => bp_group_has_invites( array( 'user_id' => 'any' ) ),
		)
	);
}