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| <?php declare(strict_types = 1); | |
| /* | |
| * Copyright (c) 2020, Josef Kufner <josef@kufner.cz> | |
| * | |
| * Licensed under the Apache License, Version 2.0 (the "License"); | |
| * you may not use this file except in compliance with the License. | |
| * You may obtain a copy of the License at | |
| * | |
| * http://www.apache.org/licenses/LICENSE-2.0 | |
| * | |
| * Unless required by applicable law or agreed to in writing, software | |
| * distributed under the License is distributed on an "AS IS" BASIS, | |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| * See the License for the specific language governing permissions and | |
| * limitations under the License. | |
| * | |
| */ | |
| namespace Smalldb\StateMachine\SqlExtension\ReferenceDataSource; | |
| use Doctrine\DBAL\Driver\Statement; | |
| class ReferenceQueryResultPaginated extends ReferenceQueryResult | |
| { | |
| private int $resultCount; | |
| private int $currentPage; | |
| private int $pageSize; | |
| /** | |
| * @param int $resultCount Total count of items matching the query | |
| * @param int $currentPage Current page of the result; the first page is 1. | |
| * @param int $pageSize Number of items per page. | |
| */ | |
| public function __construct(?DataSource $originalDataSource, Statement $stmt, int $resultCount, int $currentPage, int $pageSize) | |
| { | |
| parent::__construct($originalDataSource, $stmt); | |
| $this->resultCount = $resultCount; | |
| $this->currentPage = $currentPage; | |
| $this->pageSize = $pageSize; | |
| } | |
| public function getResultCount(): int | |
| { | |
| return $this->resultCount; | |
| } | |
| public function getCurrentPage(): int | |
| { | |
| return $this->currentPage; | |
| } | |
| public function getPageSize(): int | |
| { | |
| return $this->pageSize; | |
| } | |
| public function getPageCount(): int | |
| { | |
| return (int) ceil($this->resultCount / $this->pageSize); | |
| } | |
| public function hasToPaginate(): bool | |
| { | |
| return $this->resultCount > $this->pageSize; | |
| } | |
| public function getFirstPage(): int | |
| { | |
| return 1; | |
| } | |
| public function getLastPage(): int | |
| { | |
| return (int) ceil($this->resultCount / $this->pageSize); | |
| } | |
| public function getPreviousPage(): int | |
| { | |
| return $this->currentPage > 1 ? $this->currentPage - 1 : 1; | |
| } | |
| public function getNextPage(): int | |
| { | |
| $lp = $this->getLastPage(); | |
| return $this->currentPage < $lp ? $this->currentPage + 1 : $lp; | |
| } | |
| public function hasPreviousPage(): bool | |
| { | |
| return $this->currentPage > 1; | |
| } | |
| public function hasNextPage(): bool | |
| { | |
| return $this->currentPage < $this->getLastPage(); | |
| } | |
| } |