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<?php |
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/** |
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* This file is part of the Cecil/Cecil package. |
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* |
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* Copyright (c) Arnaud Ligny <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Cecil\Generator; |
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use Cecil\Collection\Page\Collection as PagesCollection; |
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use Cecil\Collection\Page\Page; |
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use Cecil\Collection\Page\Type; |
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/** |
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* Class Generator\Pagination. |
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*/ |
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class Pagination extends AbstractGenerator implements GeneratorInterface |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function generate(): void |
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{ |
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if (false === $this->config->get('pagination.enabled')) { |
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return; |
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} |
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// filters pages: home, sections and terms |
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$filteredPages = $this->builder->getPages()->filter(function (Page $page) { |
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return in_array($page->getType(), [Type::HOMEPAGE, Type::SECTION, Type::TERM]); |
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}); |
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/** @var Page $page */ |
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foreach ($filteredPages as $page) { |
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// global config |
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$paginationPerPage = intval($this->config->get('pagination.max')); |
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$paginationPath = $this->config->get('pagination.path'); |
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// global page config |
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$path = $page->getPath(); |
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$pages = $page->getVariable('pages'); |
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$sortby = $page->getVariable('sortby'); |
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// pagination page config |
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$pagePagination = $page->getVariable('pagination'); |
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if ($pagePagination) { |
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if (array_key_exists('enabled', $pagePagination) && !$pagePagination['enabled']) { |
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continue; |
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} |
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if (array_key_exists('max', $pagePagination)) { |
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$paginationPerPage = intval($pagePagination['max']); |
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} |
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if (array_key_exists('path', $pagePagination)) { |
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$paginationPath = $pagePagination['path']; |
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} |
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} |
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$pagesTotal = count($pages); |
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// abords pagination? |
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if ($pagesTotal <= $paginationPerPage) { |
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continue; |
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} |
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// sorts pages |
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$pages = $pages->sortByDate(); |
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if ($sortby) { |
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$sortMethod = sprintf('sortBy%s', ucfirst($sortby)); |
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if (method_exists($pages, $sortMethod)) { |
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$pages = $pages->$sortMethod(); |
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} |
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} |
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// builds pagination |
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if ($pagesTotal > $paginationPerPage) { |
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$paginationPagesCount = ceil($pagesTotal / $paginationPerPage); |
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for ($i = 0; $i < $paginationPagesCount; $i++) { |
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$pagesInPagination = new \LimitIterator( |
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$pages->getIterator(), |
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($i * $paginationPerPage), |
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$paginationPerPage |
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); |
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$pagesInPagination = new PagesCollection( |
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$page->getId().'-page-'.($i + 1), |
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iterator_to_array($pagesInPagination) |
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); |
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$alteredPage = clone $page; |
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// first page |
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$firstPath = Page::slugify(sprintf('%s', $path)); |
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if ($i == 0) { |
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// ie: blog + blog/page/1 (alias) |
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$pageId = Page::slugify(sprintf('%s', $path)); |
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// homepage special case |
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if ($path == '') { |
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$pageId = 'index'; |
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} |
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$currentPath = $firstPath; |
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$alteredPage |
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->setId($pageId) |
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->setPath($firstPath) |
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->setVariable('aliases', [ |
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sprintf('%s/%s/%s', $path, $paginationPath, 1), |
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]); |
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} else { |
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// ie: blog/page/2 |
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$pageId = Page::slugify(sprintf('%s/%s/%s', $path, $paginationPath, $i + 1)); |
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$currentPath = $pageId; |
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$alteredPage |
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->setId($pageId) |
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->setVirtual(true) |
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->setPath($currentPath) |
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->unVariable('menu') |
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->setVariable('paginated', true); |
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} |
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// updates 'pagination' variable |
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$pagination = [ |
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'totalpages' => $pagesTotal, |
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'pages' => $pagesInPagination, |
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'current' => $i + 1, |
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'count' => $paginationPagesCount, |
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]; |
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// adds links |
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$pagination['links'] = ['self' => $currentPath ?: 'index']; |
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$pagination['links'] += ['first' => $firstPath ?: 'index']; |
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if ($i == 1) { |
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$pagination['links'] += ['prev' => Page::slugify($path ?: 'index')]; |
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} |
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if ($i > 1) { |
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$pagination['links'] += ['prev' => Page::slugify(sprintf( |
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'%s/%s/%s', |
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$path, |
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$paginationPath, |
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$i |
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))]; |
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} |
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if ($i < $paginationPagesCount - 1) { |
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$pagination['links'] += ['next' => Page::slugify(sprintf( |
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'%s/%s/%s', |
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$path, |
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$paginationPath, |
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$i + 2 |
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))]; |
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} |
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$pagination['links'] += ['last' => Page::slugify(sprintf( |
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'%s/%s/%s', |
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$path, |
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$paginationPath, |
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$paginationPagesCount |
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))]; |
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$alteredPage->setVariable('pagination', $pagination); |
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// updates date with the first element of the collection |
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$alteredPage->setVariable('date', $pagesInPagination->first()->getVariable('date')); |
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$this->generatedPages->add($alteredPage); |
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} |
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} |
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} |
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} |
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} |
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Cecilapp /
Cecil
