83 lines
1.7 KiB
PHP
83 lines
1.7 KiB
PHP
<?php
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namespace App\Tools;
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class CollectOffsetLimit
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{
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private $offset = 0;
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private $limit = 2000;
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private $page = 0;
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private $iTotalCount = null;
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public $fCountFun;
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function setCountFun(\Closure $fun)
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{
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$this->fCountFun = $fun();
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return $this;
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}
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private function countPage()
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{
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if($this->iTotalCount === null && $this->fCountFun !== null){
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$this->iTotalCount = $this->fCountFun;
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}
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if(empty($this->page) && !empty($this->iTotalCount)){
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$this->page = ceil($this->iTotalCount / $this->limit);
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}
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}
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function runWhile(\Closure $fun)
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{
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$this->countPage();
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if($this->iTotalCount === null) $this->iTotalCount = $this->fCountFun;
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if($this->iTotalCount === 0 | $this->page === 0) return [];
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for( $iPage = 1; $iPage <= $this->page; $iPage++){
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$this->offset = ($iPage - 1) * $this->limit;
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$fun($this->offset,$this->limit);
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}
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$this->offset = 0;
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}
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public function getLimit(): int
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{
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return $this->limit;
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}
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public function setLimit(int $limit): void
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{
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$this->limit = $limit;
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}
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public function getOffset(): int
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{
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return $this->offset;
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}
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public function setOffset(int $offset): void
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{
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$this->offset = $offset;
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}
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/**
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* @return null
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*/
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public function getITotalCount()
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{
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return $this->iTotalCount;
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}
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/**
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* @param null $iTotalCount
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*/
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public function setITotalCount($iTotalCount): CollectOffsetLimit
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{
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$this->iTotalCount = $iTotalCount;
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return $this;
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}
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}
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