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103 lines
2.5 KiB
PHP
103 lines
2.5 KiB
PHP
<?php
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/************************************************************************
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* This file is part of EspoCRM.
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*
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* EspoCRM - Open Source CRM application.
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* Copyright (C) 2014-2021 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
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* Website: https://www.espocrm.com
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*
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* EspoCRM is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* EspoCRM is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with EspoCRM. If not, see http://www.gnu.org/licenses/.
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*
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* The interactive user interfaces in modified source and object code versions
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* of this program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU General Public License version 3.
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*
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* In accordance with Section 7(b) of the GNU General Public License version 3,
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* these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
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************************************************************************/
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namespace Espo\ORM\Query\Part;
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use InvalidArgumentException;
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use Iterator;
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/**
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* A list of order items.
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*/
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class OrderList implements Iterator
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{
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private $position = 0;
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private $list;
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private function __construct(array $list)
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{
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foreach ($list as $item) {
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if (!$item instanceof Order) {
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throw new InvalidArgumentException();
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}
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}
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$this->list = $list;
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}
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/**
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* Create an instance.
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*
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* @param Order[] $list
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*/
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public static function create(array $list): self
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{
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return new self($list);
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}
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/**
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* @return void
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*/
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public function rewind()
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{
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$this->position = 0;
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}
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/**
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* @return Order
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*/
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public function current()
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{
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return $this->list[$this->position];
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}
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/**
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*
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* @return int
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*/
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public function key()
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{
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return $this->position;
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}
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public function next()
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{
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++$this->position;
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}
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/**
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* @return bool
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*/
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public function valid()
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{
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return isset($this->list[$this->position]);
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}
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}
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