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Magento 2 Useful snippets for frontend developers

1 - Infos About Store

Get Current store Id :
inject \Magento\Store\Model\StoreManagerInterface $storeManage

  1.  
  2. $this->storeManager = $storeManager;
  3.  
  4.  

and get the id with :
  1.  
  2. $id = $this->storeManager->getStore()->getId();
  3.  
  4.  

get base Url :

  1.  
  2. $baseUrl = $this->storeManager->getStore()->getBaseUrl();
  3.  
  4.  

you can inject \Magento\Framework\UrlInterface and use use constants of class as parameters (UrlInterface::URL_TYPE_LINK) :
  1.  
  2.     const URL_TYPE_LINK = 'link';
  3.     const URL_TYPE_DIRECT_LINK = 'direct_link';
  4.     const URL_TYPE_WEB = 'web';
  5.     const URL_TYPE_MEDIA = 'media';
  6.     const URL_TYPE_STATIC = 'static';
  7.     const URL_TYPE_JS = 'js';
  8.  
  9.  

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

  1.  
  2. $baseCurrency = $this->storeManager->getStore()->getBaseCurrencyCode();
  3.  
  4.  

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

  1.  
  2. $currentCurrency = $this->storeManager->getStore()->getCurrentCurrencyCode();
  3.  
  4.  

Retrieve base media directory path :

  1.  
  2. $baseMediaDir  = $this->storeManager->getStore()->getBaseMediaDir();
  3.  
  4.  

Retrieve base static directory path :

  1.  
  2. $baseStaticDir  = $this->storeManager->getStore()->getBaseStaticDir();
  3.  
  4.  

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

  1.  
  2. $this->cart = $cart;
  3.  
  4.  

 

get total number items:

  1.  
  2. $cartCount = $this->cart->getItemsCount();
  3.  
  4.  

- get quote data :

  1.  
  2. $cartQuote= $this->cart->getQuote()->getData();
  3. print_r($cartQuote);
  4.  
  5.  

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
  1.  
  2. echo $cartQuote['base_grand_total'];
  3.  
  4.  

- iterate items of cart from session :
inject Magento\Checkout\Model\Session $session
$this->session  =  $session;

  1.  
  2. foreach ($this->session->getQuote()->getAllItems() as $item) {
  3.     echo $item->getName();
  4. }
  5.  
  6.  


-clear quote
  1.  
  2. $this->session ->clearQuote();
  3.  
  4.  

 

3 - Catalog:

inject \Magento\Framework\Registry $registry
$this->registry = $registry;
-get current category :

  1.  
  2. $category = $this->registry->registry('current_category');
  3.  
  4.  

get cuurent category id:
  1.  
  2. $cid = $this->registry->registry('current_category')->getId();
  3.  
  4.  

get current category level:
  1.  
  2. $level = $this->registry->registry('current_category')->getLevel();
  3.  
  4.  

 

-get current product :

  1.  
  2. $pid  =$this->registry->registry('current_product');
  3.  
  4.  

retrieve crosssell products from current product:
  1.  
  2.         $products = [];
  3.         foreach ($this->registry->registry('current_product')->getCrossSellProducts() as $product) {
  4.             $products[$product->getId()] = ['position' => $product->getPosition()];
  5.         }
  6.         print_r($products);
  7.  
  8.  

retrieve related products from current product:
  1.  
  2.         $products = [];
  3.         foreach ($this->registry->registry('current_product')->getRelatedProducts() as $product) {
  4.             $products[$product->getId()] = ['position' => $product->getPosition()];
  5.         }
  6.         print_r($products);
  7.  
  8.  

retrieve upsell products from current product:
  1.  
  2.         $products = [];
  3.         foreach ($this->registry->registry('current_product')->getUpSellProducts() as $product) {
  4.             $products[$product->getId()] = ['position' => $product->getPosition()];
  5.         }
  6.         print_r($products);
  7.  
  8.  

test if current product is registered:
  1.  
  2.             if ($this->registry->registry('current_product')) {
  3.                 $product = $this->registry->registry('current_product');
  4.             } else {
  5.                 throw new \LogicException('Product is not defined');
  6.             }
  7.  
  8.  

4 - CMS

inject \Magento\Framework\Registry $registry
$this->registry = $registry;
-get current cms page :

  1.  
  2. $page = $this->registry->registry('cms_page');
  3.  
  4.  

get id of current cms page:
  1.  
  2. $cmsId = $this->registry->registry('cms_page')->getId();
  3.  
  4.  

test if cms page exist in table :
  1.  
  2.         if ($this->registry->registry('cms_page')->getId()) {
  3.             return $this->registry>registry('cms_page')->getTitle();
  4.         } else {
  5.             return __('New Page');
  6.         }
  7.  
  8.  

 

5 - View

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

  1.  
  2. //getting assets elements url from your extension in current theme
  3. $loader = $this->getViewFileUrl("ibnab_lazy::images/loader.svg");
  4. //or getting from assets of current theme :
  5. $js = $this->getViewFileUrl("js/my.js");
  6.  
  7.  

 

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