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51 lines
1.1 KiB
PHP
51 lines
1.1 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2021 深圳市酷瓜软件有限公司
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* @license https://opensource.org/licenses/GPL-2.0
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* @link https://www.koogua.com
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*/
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namespace App\Services\Logic\Question;
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use App\Caches\TaggedQuestionList as TaggedQuestionListCache;
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use App\Services\Logic\QuestionTrait;
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use App\Services\Logic\Service as LogicService;
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class RelatedQuestionList extends LogicService
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{
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use QuestionTrait;
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public function handle($id)
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{
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$limit = $this->request->getQuery('limit', 'int', 5);
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$question = $this->checkQuestion($id);
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if (empty($question->tags)) return [];
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$tagIds = kg_array_column($question->tags, 'id');
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$tagId = kg_array_rand($tagIds);
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$cache = new TaggedQuestionListCache();
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$questions = $cache->get($tagId);
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if (empty($questions)) return [];
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foreach ($questions as $key => $question) {
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if ($question['id'] == $id) {
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unset($questions[$key]);
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}
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}
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if ($limit < count($questions)) {
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$questions = array_slice($questions, $limit);
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}
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return $questions;
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}
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}
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