ProductHelper.php
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<?php
namespace artweb\artbox\ecommerce\helpers;
use artweb\artbox\ecommerce\models\Category;
use artweb\artbox\ecommerce\models\Product;
use artweb\artbox\ecommerce\models\ProductVariant;
use yii\base\InvalidConfigException;
use yii\base\InvalidParamException;
use yii\base\Object;
use Yii;
use yii\db\ActiveQuery;
use yii\helpers\ArrayHelper;
class ProductHelper extends Object
{
/**
* @todo ArtboxTree
* @return array
*/
public static function getCategories()
{
return Category::find()
->getTree(null, 'lang');
}
/**
* Add $product_id to last products in session.
*
* @param int $product_id
*/
public static function addLastProducts(int $product_id)
{
$last_products = self::getLastProducts();
if (!in_array($product_id, $last_products)) {
$last_products[] = intval($product_id);
Yii::$app->session->set('last_products', $last_products);
}
}
/**
* Get last products ids from session or last Product models with ProductVariant, which are in stock if
* $as_object is true
*
* @param bool $as_object
*
* @return array
*/
public static function getLastProducts(bool $as_object = false)
{
$last_products = Yii::$app->session->get('last_products', []);
if ($as_object) {
$last_products = Product::find()
->innerJoinWith(
[
'enabledVariants' => function ($query) {
/**
* @var ActiveQuery $query
*/
$query->joinWith('lang')
->with('images');
},
]
)
->where([ 'product.id' => $last_products ])
->andWhere(
[
'!=',
'product_variant.stock',
0,
]
)
->indexBy('id')
->all();
}
return array_reverse($last_products);
}
public static function trueWordForm($num, $form_for_1, $form_for_2, $form_for_5){
$num = abs($num) % 100;
$num_x = $num % 10;
if ($num > 10 && $num < 20)
return $form_for_5;
if ($num_x > 1 && $num_x < 5)
return $form_for_2;
if ($num_x == 1)
return $form_for_1;
return $form_for_5;
}
/**
* Get special Products array with ProductVariants, which are in stock
* Available types:
* * top
* * new
* * promo
*
* @param string $type
* @param int $count
*
* @return Product[]
*/
public static function getSpecialProducts(string $type, int $count)
{
switch ($type) {
case 'top':
$data = [ 'is_top' => true ];
break;
case 'new':
$data = [ 'is_new' => true ];
break;
case 'promo':
$data = [ 'is_discount' => true ];
break;
default:
return [];
break;
}
return Product::find()
->with('lang')
->joinWith('variants.lang')
->where($data)
->andWhere(
[
'!=',
'productVariant.stock',
0,
]
)
->limit($count)
->all();
}
/**
* Get ActiveQuery to get similar products to $product
*
* @param Product $product
* @param int $count
*
* @return ActiveQuery
*/
public static function getSimilarProducts(Product $product, $count = 10): ActiveQuery
{
$query = Product::find();
if (empty( $product->properties )) {
$query->where('0 = 1');
return $query;
}
$query->innerJoinWith('variants')
->joinWith('categories')
->where(
[
'!=',
'product_variant.stock',
0,
]
)
->andWhere(
[ 'product_category.category_id' => ArrayHelper::getColumn($product->categories, 'id') ]
);
$options = [];
foreach ($product->properties as $group) {
foreach ($group->options as $option) {
$options[] = $option->id;
}
}
if (!empty( $options )) {
$query->innerJoinWith('options')
->andWhere([ 'product_option.option_id' => $options ]);
} else {
$query->where('0 = 1');
return $query;
}
$query->andWhere(
[
'!=',
'product.id',
$product->id,
]
);
$query->andWhere([
'>=',
ProductVariant::tableName() . '.price',
($product->variant->price * 0.8),
]);
$query->andWhere([
'<=',
ProductVariant::tableName() . '.price',
($product->variant->price * 1.2),
]);
$query->groupBy('product.id');
$query->limit($count);
return $query;
}
/**
* Add last category id to session
*
* @param int $category_id
*/
public static function addLastCategory(int $category_id)
{
\Yii::$app->session->set('last_category_id', $category_id);
}
/**
* Get last category id from session
*
* @return int
*/
public static function getLastCategory()
{
return \Yii::$app->session->get('last_category_id');
}
/**
* Group Product[] by Categories
* Array of categories with 2 levels:
* <code>
* [
* 'parent_id' => [
* 'id',
* 'name',
* 'count',
* 'children' => [
* 'id' => [
* 'id',
* 'name',
* 'count',
* ]
* ]
* ]
* ]
* </code>
*
* @param Product[] $products
*
* @return array
* @throws InvalidConfigException
*/
public static function groupByCategories(array $products): array
{
$categoryList = [];
foreach ($products as $product) {
if (!( $product instanceof Product )) {
throw new InvalidParamException('$products must be array of ' . Product::className());
}
foreach ($product->categories as $category) {
/**
* @var Category|null $parentCategory
*/
$parentCategory = $category->parentAR;
/* If category has parent add current category to parents children array,
else create current category as root category */
if ($parentCategory) {
/* If parent category already in $categoryList search current category in its array,
else create it in $categoryList and add current category to it */
if (array_key_exists($parentCategory->id, $categoryList)) {
/* If current category already in parent category array increament count by 1,
else add current category to parent category children array */
if (array_key_exists($category->id, $categoryList[ $parentCategory->id ][ 'children' ])) {
$categoryList[ $parentCategory->id ][ 'children' ][ $category->id ][ 'count' ] += 1;
} else {
$categoryList[ $parentCategory->id ][ 'children' ][ $category->id ] = [
'id' => $category->id,
'name' => $category->lang->title,
'alias' => $category->lang->alias,
'count' => 1,
];
}
} else {
$categoryList[ $parentCategory->id ] = [
'id' => $parentCategory->id,
'name' => $parentCategory->lang->title,
'alias' => $parentCategory->lang->alias,
'children' => [
$category->id => [
'id' => $category->id,
'name' => $category->lang->title,
'alias' => $category->lang->alias,
'count' => 1,
],
],
'count' => 0,
];
}
} else {
/* If current category already in $categoryList increment its count by 1,
else add it to $categoryList */
if (array_key_exists($category->id, $categoryList)) {
$categoryList[ $category->id ][ 'count' ] += 1;
} else {
$categoryList[ $category->id ] = [
'id' => $category->id,
'name' => $category->lang->title,
'alias' => $category->lang->alias,
'count' => 1,
'children' => [],
];
}
}
}
}
return $categoryList;
}
}