frontend/controllers/CatalogController.php

<?php
namespace frontend\controllers;
use common\modules\product\Filter;
use common\modules\product\helpers\ProductHelper;
use common\modules\rubrication\models\TaxOptionSearch;
use frontend\models\ProductFrontendSearch;
use Yii;
use common\modules\product\models\Brand;
use common\modules\product\models\BrandSearch;
use common\modules\product\models\Category;
use common\modules\product\models\CategorySearch;
use common\modules\product\models\Product;
use common\modules\product\models\ProductCategory;
use common\modules\product\models\ProductOption;
use common\modules\product\models\ProductSearch;
use common\modules\product\models\ProductVariant;
use common\modules\rubrication\models\TaxGroup;
use common\modules\rubrication\models\TaxOption;
use common\modules\rubrication\models\TaxValueString;
use yii\data\ActiveDataProvider;
use yii\data\Pagination;
use yii\data\Sort;
use yii\db\ActiveQuery;
use yii\web\HttpException;
class CatalogController extends \yii\web\Controller
{
    public function actionSearch() {
        // @todo
    }
    public function actionCategory()
    {
        /** @var Category $category */
        $category = Yii::$app->request->get('category');
        $filter = Yii::$app->request->get('filter', []);
        if (empty($category->category_id) && empty($word)) {
            return $this->render(
                'catalog'
            );
        }
        $params = [];
        if ( !empty($filter['brands']) ) {
            $brands = Brand::find()->select('brand_id')->where(['in', 'alias', $filter['brands']])->all();
            $params['brands'] = [];
            foreach ($brands as $brand) {
                $params['brands'][] = $brand->brand_id;
            }
        }
        if ( !empty($filter['special']) ) {
            if (!is_array($filter['special'])) {
                $filter['special'] = [$filter['special']];
            }
            if (in_array('new', $filter['special'])) {
                $params['special']['is_new'] = true;
            }
            if (in_array('top', $filter['special'])) {
                $params['special']['is_top'] = true;
            }
            if (in_array('promo', $filter['special'])) {
                $params['special']['akciya'] = true;
            }
        }
        if ( !empty($filter['options']) ) {
            $params['options'] = $filter['options'];
        }
        if ( !empty($filter['prices']) ) {
            $params['prices'] = $filter['prices'];
        }
        $productModel = new ProductFrontendSearch();
        $productQuery = $productModel->getSearchQuery($category, $params);
        $productProvider = $productModel->search($category, $params);
        $brandModel = new BrandSearch();
        $brands = $brandModel->getBrands($category, $params)->all();
        $optionsQuery = $productModel->optionsForCategory($category, $params);
        $groups = [];
        foreach ($optionsQuery->all() as $option) {
            if (!isset($groups[$option->tax_group_id])) {
                $groups[$option->tax_group_id] = $option->taxGroup;
                $groups[$option->tax_group_id]->_options = [];
            }
            $groups[$option->tax_group_id]->_options[] = $option;
        }
        foreach($groups as $i => $group) {
            if (empty($group->_options))
                unset($groups[$i]);
        }
        $priceLimits = $productModel->priceLimits($category, $params);
        return $this->render(
            'products',
            [
                'category'          => $category,
                'brandModel'        => $brandModel,
                'brands'            => $brands,
                'filter'            => $filter,
                'params'            => $params,
                'productModel'      => $productModel,
                'productProvider'   => $productProvider,
                'groups'            => $groups,
                'priceLimits'       => $priceLimits,
            ]
        );
    }
    public function actionProduct()
    {
        /** @var Product $product */
        $product = Yii::$app->request->get('product');
        if(!$product->enabledVariant) {
            throw new HttpException(404, 'Товар не найден');
        }
        ProductHelper::addLastProsucts($product->product_id);
        return $this->render('product', [
            'product' => $product,
            'category' => $product->category,
        ]);
    }
    public function actionBrands()
    {
        $dataProvider = new ActiveDataProvider([
            'query' => Brand::find()->joinWith('brandName')->orderBy('brand_name.value'),
            'pagination' => [
                'pageSize' => -1,
            ]
        ]);
        return $this->render('brands', [
            'dataProvider' => $dataProvider,
        ]);
    }
    public function actionBrand($brand)
    {
        $filter = Yii::$app->request->get('filter', []);
        $params = [
            'brand_id' => $brand->brand_id,
        ];
        if ( !empty($filter['prices']) ) {
            $params['prices'] = $filter['prices'];
        }
        if ( !empty($filter['special']) ) {
            if (!is_array($filter['special'])) {
                $filter['special'] = [$filter['special']];
            }
            if (in_array('new', $filter['special'])) {
                $params['special']['is_new'] = true;
            }
            if (in_array('top', $filter['special'])) {
                $params['special']['is_top'] = true;
            }
            if (in_array('promo', $filter['special'])) {
                $params['special']['akciya'] = true;
            }
        }
        $productModel = new ProductFrontendSearch();
        $productProvider = $productModel->search(null, $params);
        $priceLimits = $productModel->priceLimits(null, $params);
        return $this->render('brand', [
            'productModel'      => $productModel,
            'productProvider'   => $productProvider,
            'brand'             => $brand,
            'priceLimits'       => $priceLimits,
            'filter'            => $filter,
        ]);
    }
}