1
0
mirror of https://gitee.com/koogua/course-tencent-cloud.git synced 2025-06-22 03:32:47 +08:00
2020-08-03 20:47:35 +08:00

137 lines
3.9 KiB
PHP

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