mirror of
https://gitee.com/koogua/course-tencent-cloud.git
synced 2025-06-22 03:32:47 +08:00
137 lines
3.9 KiB
PHP
137 lines
3.9 KiB
PHP
<?php
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namespace App\Services\Frontend\Teaching;
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use App\Builders\ConsultList as ConsultListBuilder;
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use App\Library\Paginator\Adapter\QueryBuilder as PagerQueryBuilder;
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use App\Library\Paginator\Query as PagerQuery;
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use App\Models\Consult as ConsultModel;
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use App\Models\Course as CourseModel;
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use App\Models\CourseUser as CourseUserModel;
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use App\Services\Frontend\Service as FrontendService;
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use Phalcon\Mvc\Model\Resultset;
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use Phalcon\Mvc\Model\ResultsetInterface;
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class ConsultList extends FrontendService
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{
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public function handle()
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{
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$user = $this->getLoginUser();
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$pagerQuery = new PagerQuery();
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$params = $pagerQuery->getParams();
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$page = $pagerQuery->getPage();
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$limit = $pagerQuery->getLimit();
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$courses = $this->findUserTeachingCourses($user->id);
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if ($courses->count() == 0) {
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return [];
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}
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$params['status'] = $params['status'] ?? null;
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if ($params['status'] == 'pending') {
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$params['replied'] = 0;
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} elseif ($params['status'] == 'replied') {
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$params['replied'] = 1;
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}
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$params['course_id'] = kg_array_column($courses->toArray(), 'id');
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$pager = $this->paginate($params, $page, $limit);
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return $this->handleConsults($pager);
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}
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protected function handleConsults($pager)
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{
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if ($pager->total_items == 0) {
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return $pager;
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}
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$builder = new ConsultListBuilder();
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$consults = $pager->items->toArray();
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$courses = $builder->getCourses($consults);
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$chapters = $builder->getChapters($consults);
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$users = $builder->getUsers($consults);
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$items = [];
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foreach ($consults as $consult) {
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$course = $courses[$consult['course_id']] ?? new \stdClass();
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$chapter = $chapters[$consult['chapter_id']] ?? new \stdClass();
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$owner = $users[$consult['owner_id']] ?? new \stdClass();
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$items[] = [
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'id' => $consult['id'],
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'question' => $consult['question'],
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'answer' => $consult['answer'],
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'like_count' => $consult['like_count'],
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'reply_time' => $consult['reply_time'],
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'create_time' => $consult['create_time'],
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'update_time' => $consult['update_time'],
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'course' => $course,
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'chapter' => $chapter,
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'owner' => $owner,
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];
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}
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$pager->items = $items;
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return $pager;
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}
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protected function paginate($where, $page = 1, $limit = 15)
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{
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$builder = $this->modelsManager->createBuilder();
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$builder->from(ConsultModel::class);
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$builder->where('published = 1');
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if (!empty($where['course_id'])) {
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$builder->inWhere('course_id', $where['course_id']);
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}
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if (isset($where['replied'])) {
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if ($where['replied'] == 1) {
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$builder->andWhere('reply_time > 0');
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} else {
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$builder->andWhere('reply_time = 0');
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}
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}
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$builder->orderBy('id DESC');
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$pager = new PagerQueryBuilder([
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'builder' => $builder,
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'page' => $page,
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'limit' => $limit,
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]);
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return $pager->paginate();
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}
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/**
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* @param int $userId
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* @return ResultsetInterface|Resultset|CourseModel[]
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*/
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protected function findUserTeachingCourses($userId)
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{
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return $this->modelsManager->createBuilder()
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->columns('c.*')
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->addFrom(CourseModel::class, 'c')
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->join(CourseUserModel::class, 'c.id = cu.course_id', 'cu')
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->where('cu.user_id = :user_id:', ['user_id' => $userId])
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->andWhere('cu.role_type = :role_type:', ['role_type' => CourseUserModel::ROLE_TEACHER])
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->getQuery()->execute();
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}
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}
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