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<?php |
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namespace App\Http\Controller; |
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use App\Model\Article; |
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use App\Model\ArticleComment; |
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use App\Model\ArticleLike; |
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use App\Model\StatusInterface; |
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use yii\data\Pagination; |
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use yii\helpers\ArrayHelper; |
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use yii\helpers\HtmlPurifier; |
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use yii\web\NotFoundHttpException; |
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class ArticleController extends Controller |
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{ |
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public function afterAction($action, $result) |
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{ |
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if ($action->id === 'view') { |
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$this->model->updateCounters([ |
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'views' => 1 |
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]); |
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} |
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return parent::afterAction($action, $result); |
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} |
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public function actionIndex() |
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{ |
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$query = Article::find() |
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->alias('a') |
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->joinWith('category') |
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->where([ |
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'a.status' => StatusInterface::STATUS_ACTIVE, |
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'a.is_deleted' => 0, |
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]) |
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->andWhere(['<=', 'a.release_time', time()]) |
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->orderBy(['a.release_time' => SORT_DESC]); |
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$count = $query->count(); |
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$pagination = new Pagination(['totalCount' => $count]); |
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$articles = $query->offset($pagination->offset) |
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->limit($pagination->limit) |
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->all(); |
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$likes = ArticleLike::find() |
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->select([ |
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'article_id', |
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'count' => 'count(*)' |
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]) |
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->where(['IN', 'article_id', array_column($articles, 'id')]) |
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->groupBy(['article_id']) |
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->asArray() |
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->all(); |
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$likesCount = ArrayHelper::map($likes, 'article_id', 'count'); |
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return $this->render('index', [ |
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'articles' => $articles, |
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'likesCount' => $likesCount, |
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'pagination' => $pagination, |
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]); |
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} |
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public function actionView($id) |
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{ |
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$model = $this->findModel($id); |
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return $this->render('view', [ |
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'model' => $model, |
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'content' => HtmlPurifier::process($model->meta->content), |
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]); |
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} |
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/** |
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* @var Article $model |
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*/ |
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private $model; |
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private function findModel($id) |
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{ |
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$model = Article::findOne($id); |
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if (!$model) { |
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throw new NotFoundHttpException('Article does not exists'); |
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} |
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$this->model = $model; |
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return $this->model; |
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} |
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public function actionComments($id, $page = 1, $limit = 10) |
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{ |
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$this->layout = false; |
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$comments = ArticleComment::find() |
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->alias('c') |
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->joinWith('user') |
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->where([ |
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'c.article_id' => $id, |
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]) |
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->orderBy(['c.create_time' => SORT_DESC]) |
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->offset(($page - 1) * $limit) |
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->all(); |
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return $this->render('comments', [ |
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'comments' => $comments, |
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]); |
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} |
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} |
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razonyang /
yii2-app-template
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