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32 lines
521 B
PHP
32 lines
521 B
PHP
<?php
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namespace App\Caches;
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use App\Builders\ChapterTreeList as ChapterTreeListBuilder;
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class CourseChapterList extends Cache
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{
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protected $lifetime = 7 * 86400;
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public function getLifetime()
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{
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return $this->lifetime;
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}
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public function getKey($id = null)
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{
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return "course_chapter_list:{$id}";
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}
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public function getContent($id = null)
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{
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$builder = new ChapterTreeListBuilder();
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$list = $builder->handle($id);
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return $list ?: [];
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}
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}
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