<?php
/**
* This file is part of the Nette Framework (https://nette.org)
* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
*/
declare(strict_types=1);
namespace Nette\Utils;
use Nette;
/**
* Paginating math.
*
* @property int $page
* @property-read int $firstPage
* @property-read int|null $lastPage
* @property-read int<0,max> $firstItemOnPage
* @property-read int<0,max> $lastItemOnPage
* @property int $base
* @property-read bool $first
* @property-read bool $last
* @property-read int<0,max>|null $pageCount
* @property positive-int $itemsPerPage
* @property int<0,max>|null $itemCount
* @property-read int<0,max> $offset
* @property-read int<0,max>|null $countdownOffset
* @property-read int<0,max> $length
*/
class Paginator
{
use Nette\SmartObject;
private int $base = 1;
/** @var positive-int */
private int $itemsPerPage = 1;
private int $page = 1;
/** @var int<0, max>|null */
private ?int $itemCount = null;
/**
* Sets current page number.
*/
public function setPage(int $page): static
{
$this->page = $page;
return $this;
}
/**
* Returns current page number.
*/
public function getPage(): int
{
return $this->base + $this->getPageIndex();
}
/**
* Returns first page number.
*/
public function getFirstPage(): int
{
return $this->base;
}
/**
* Returns last page number.
*/
public function getLastPage(): ?int
{
return $this->itemCount === null
? null
: $this->base + max(0, $this->getPageCount() - 1);
}
/**
* Returns the sequence number of the first element on the page
* @return int<0, max>
*/
public function getFirstItemOnPage(): int
{
return $this->itemCount !== 0
? $this->offset + 1
: 0;
}
/**
* Returns the sequence number of the last element on the page
* @return int<0, max>
*/
public function getLastItemOnPage(): int
{
return $this->offset + $this->length;
}
/**
* Sets first page (base) number.
*/
public function setBase(int $base): static
{
$this->base = $base;
return $this;
}
/**
* Returns first page (base) number.
*/
public function getBase(): int
{
return $this->base;
}
/**
* Returns zero-based page number.
* @return int<0, max>
*/
protected function getPageIndex(): int
{
$index = max(0, $this->page - $this->base);
return $this->itemCount === null
? $index
: min($index, max(0, $this->getPageCount() - 1));
}
/**
* Is the current page the first one?
*/
public function isFirst(): bool
{
return $this->getPageIndex() === 0;
}
/**
* Is the current page the last one?
*/
public function isLast(): bool
{
return $this->itemCount === null
? false
: $this->getPageIndex() >= $this->getPageCount() - 1;
}
/**
* Returns the total number of pages.
* @return int<0, max>|null
*/
public function getPageCount(): ?int
{
return $this->itemCount === null
? null
: (int) ceil($this->itemCount / $this->itemsPerPage);
}
/**
* Sets the number of items to display on a single page.
*/
public function setItemsPerPage(int $itemsPerPage): static
{
$this->itemsPerPage = max(1, $itemsPerPage);
return $this;
}
/**
* Returns the number of items to display on a single page.
* @return positive-int
*/
public function getItemsPerPage(): int
{
return $this->itemsPerPage;
}
/**
* Sets the total number of items.
*/
public function setItemCount(?int $itemCount = null): static
{
$this->itemCount = $itemCount === null ? null : max(0, $itemCount);
return $this;
}
/**
* Returns the total number of items.
* @return int<0, max>|null
*/
public function getItemCount(): ?int
{
return $this->itemCount;
}
/**
* Returns the absolute index of the first item on current page.
* @return int<0, max>
*/
public function getOffset(): int
{
return $this->getPageIndex() * $this->itemsPerPage;
}
/**
* Returns the absolute index of the first item on current page in countdown paging.
* @return int<0, max>|null
*/
public function getCountdownOffset(): ?int
{
return $this->itemCount === null
? null
: max(0, $this->itemCount - ($this->getPageIndex() + 1) * $this->itemsPerPage);
}
/**
* Returns the number of items on current page.
* @return int<0, max>
*/
public function getLength(): int
{
return $this->itemCount === null
? $this->itemsPerPage
: min($this->itemsPerPage, $this->itemCount - $this->getPageIndex() * $this->itemsPerPage);
}
}
About Section
NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.
FAQ Section
Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.
Download the app and sign up using your email or phone number, then complete the verification process.
Yes, we use advanced encryption and security protocols to protect your payment details.
Absolutely, you can link multiple debit or credit cards to your wallet.
Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.
Use the “Forgot PIN” feature in the app to reset it following the provided instructions.
Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.
Yes, you can view and track your payment status in the account dashboard