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<?php
namespace iThemesSecurity\Ban_Hosts;
final class Multi_Cursor {
/** @var Repository[] */
private $repositories;
/** @var Cursor[] */
private $cursors = [];
/**
* Cursor constructor.
*
* @param string $formatted
* @param Repository ...$repositories
*/
public function __construct( $formatted = '', Repository ...$repositories ) {
$this->repositories = $repositories;
if ( $formatted ) {
$parts = explode( ',', $formatted );
foreach ( $this->repositories as $i => $repository ) {
if ( ! isset( $parts[ $i ] ) ) {
throw new Malformed_Cursor( esc_html__( 'Cursor missing definition for repository.', 'better-wp-security' ) );
}
$part = $parts[ $i ];
if ( '' === $part ) {
continue;
}
$this->cursors[ $repository->get_slug() ] = Cursor::parse( $part );
}
}
}
/**
* Adds a cursor for a repository's results.
*
* @param Repository $repository
* @param Cursor $cursor
*
* @return Multi_Cursor
*/
public function with_cursor( Repository $repository, Cursor $cursor ) {
$clone = clone $this;
$clone->cursors[ $repository->get_slug() ] = $cursor;
return $clone;
}
/**
* Gets the cursor for a single repository.
*
* @param Repository $repository
*
* @return Cursor|null
*/
public function get_cursor( Repository $repository ) {
return isset( $this->cursors[ $repository->get_slug() ] ) ? $this->cursors[ $repository->get_slug() ] : null;
}
/**
* Gets the last count for a repository.
*
* @param Repository $repository
*
* @return int|null
*/
public function get_last_count( Repository $repository ) {
return $this->get_cursor( $repository ) ? $this->get_cursor( $repository )->get_last_count() : null;
}
/**
* Checks if more results are available.
*
* @param int $page_size
*
* @return bool
*/
public function has_more( $page_size ) {
foreach ( $this->cursors as $cursor ) {
if ( $cursor->get_last_count() >= $page_size ) {
return true;
}
}
return false;
}
/**
* Converts the cursor to a string representation.
*
* @return string
*/
public function __toString() {
$parts = [];
foreach ( $this->repositories as $repository ) {
$cursor = isset( $this->cursors[ $repository->get_slug() ] ) ? $this->cursors[ $repository->get_slug() ] : null;
if ( ! $cursor ) {
$parts[] = '';
continue;
}
$parts[] = (string) $cursor;
}
return implode( ',', $parts );
}
}
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