mirror of
https://gitee.com/koogua/course-tencent-cloud.git
synced 2025-06-17 07:45:29 +08:00
124 lines
3.0 KiB
PHP
124 lines
3.0 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\Caches;
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use App\Models\Category as CategoryModel;
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use App\Models\Course as CourseModel;
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use App\Services\Category as CategoryService;
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use Phalcon\Mvc\Model\Resultset;
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use Phalcon\Mvc\Model\ResultsetInterface;
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/**
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* 免费课程
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*/
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class IndexFreeCourseList extends Cache
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{
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protected $lifetime = 1 * 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 'index_free_course_list';
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}
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public function getContent($id = null)
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{
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$categoryLimit = 5;
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$courseLimit = 8;
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$categories = $this->findCategories($categoryLimit);
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if ($categories->count() == 0) {
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return [];
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}
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$result = [];
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foreach ($categories as $category) {
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$item = [];
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$item['category'] = [
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'id' => $category->id,
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'name' => $category->name,
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];
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$item['courses'] = [];
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$courses = $this->findCategoryCourses($category->id, $courseLimit);
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if ($courses->count() == 0) {
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continue;
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}
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$categoryCourses = [];
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foreach ($courses as $course) {
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$categoryCourses[] = [
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'id' => $course->id,
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'title' => $course->title,
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'cover' => $course->cover,
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'market_price' => $course->market_price,
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'vip_price' => $course->vip_price,
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'model' => $course->model,
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'level' => $course->level,
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'user_count' => $course->user_count,
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'lesson_count' => $course->lesson_count,
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];
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}
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$item['courses'] = $categoryCourses;
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$result[] = $item;
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}
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return $result;
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}
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/**
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* @param int $limit
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* @return ResultsetInterface|Resultset|CategoryModel[]
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*/
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protected function findCategories($limit = 5)
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{
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return CategoryModel::query()
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->where('type = :type:', ['type' => CategoryModel::TYPE_COURSE])
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->andWhere('level = 1 AND published = 1')
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->orderBy('priority ASC')
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->limit($limit)
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->execute();
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}
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/**
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* @param int $categoryId
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* @param int $limit
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* @return ResultsetInterface|Resultset|CourseModel[]
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*/
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protected function findCategoryCourses($categoryId, $limit = 8)
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{
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$categoryService = new CategoryService();
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$categoryIds = $categoryService->getChildCategoryIds($categoryId);
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return CourseModel::query()
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->inWhere('category_id', $categoryIds)
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->andWhere('published = 1')
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->andWhere('market_price = 0')
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->orderBy('score DESC')
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->limit($limit)
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->execute();
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}
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}
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