Magento 2 Useful snippets for frontend developers

1 - Infos About Store

Get Current store Id :

inject \Magento\Store\Model\StoreManagerInterface $storeManage

 

$this->storeManager = $storeManager;

 

and get the id with :

 

$id = $this->storeManager->getStore()->getId();

 

get base Url :

 

$baseUrl = $this->storeManager->getStore()->getBaseUrl();

 

 you can inject \Magento\Framework\UrlInterface and use use constants of class as parameters (UrlInterface::URL_TYPE_LINK) :

 

    const URL_TYPE_LINK = 'link';

    const URL_TYPE_DIRECT_LINK = 'direct_link';

    const URL_TYPE_WEB = 'web';

    const URL_TYPE_MEDIA = 'media';

    const URL_TYPE_STATIC = 'static';

    const URL_TYPE_JS = 'js';

 

get base currency code  or (getBaseCurrency() , getDefaultCurrencyCode(), getDefaultCurrency()):

 

$baseCurrency = $this->storeManager->getStore()->getBaseCurrencyCode();

 

get current currency code or (getCurrentCurrency(), getAvailableCurrencyCodes(),getAllowedCurrencies()) :

 

$currentCurrency = $this->storeManager->getStore()->getCurrentCurrencyCode();

 

Retrieve base media directory path :

 

$baseMediaDir  = $this->storeManager->getStore()->getBaseMediaDir();

 

Retrieve base static directory path :

 

$baseStaticDir  = $this->storeManager->getStore()->getBaseStaticDir();

 

For other function like website_id , group_id, code name or secure test got to class Magento\Store\Model\Store and explore …

2 – Cart Data

inject Magento\Checkout\Model\Cart $cart

$this->cart = $cart;

 

get total number items:

 

$cartCount = $this->cart->getItemsCount();

 get quote data :

 

$cartQuote= $this->cart->getQuote()->getData();

print_r($cartQuote);

 

 

you cant get  [base_currency_code]  [store_currency_code]  [quote_currency_code]  [grand_total] or [base_grand_total] and many others see all details inside print_r

 

echo $cartQuote['base_grand_total'];

 

 

- iterate items of cart from session :

inject Magento\Checkout\Model\Session $session

$this->session  =  $session;

 

foreach ($this->session->getQuote()->getAllItems() as $item) {

    echo $item->getName();

}

 -clear quote

 

$this->session ->clearQuote();

 

 

 

3 - Catalog:

inject \Magento\Framework\Registry $registry

$this->registry = $registry;

get current category :

 

$category = $this->registry->registry('current_category');

 

get cuurent category id:

 

$cid = $this->registry->registry('current_category')->getId();

 

 

get current category level:

 

$level = $this->registry->registry('current_category')->getLevel();

 

-get current product :

 

$pid  =$this->registry->registry('current_product');

 

retrieve crosssell products from current product:

 

        $products = [];

        foreach ($this->registry->registry('current_product')->getCrossSellProducts() as $product) {

            $products[$product->getId()] = ['position' => $product->getPosition()];

        }

        print_r($products);

 

retrieve related products from current product:

 

        $products = [];

        foreach ($this->registry->registry('current_product')->getRelatedProducts() as $product) {

            $products[$product->getId()] = ['position' => $product->getPosition()];

        }

        print_r($products);

 

retrieve upsell products from current product:

 

        $products = [];

        foreach ($this->registry->registry('current_product')->getUpSellProducts() as $product) {

            $products[$product->getId()] = ['position' => $product->getPosition()];

        }

        print_r($products);

 

test if current product is registered:

 

            if ($this->registry->registry('current_product')) {

                $product = $this->registry->registry('current_product');

            } else {

                throw new \LogicException('Product is not defined');

            }

 

 

4 - CMS

inject \Magento\Framework\Registry $registry

$this->registry = $registry;

-get current cms page :

 

$page = $this->registry->registry('cms_page');

 

get id of current cms page:

 

$cmsId = $this->registry->registry('cms_page')->getId();

 

test if cms page exist in table :

 

        if ($this->registry->registry('cms_page')->getId()) {

            return $this->registry>registry('cms_page')->getTitle();

        } else {

            return __('New Page');

        }

 

5 - View

inside any block that extend \Magento\Framework\View\Element\Template you can use :

 

//getting assets elements url from your extension in current theme

$loader = $this->getViewFileUrl("ibnab_lazy::images/loader.svg");

//or getting from assets of current theme :

$js = $this->getViewFileUrl("js/my.js");