Magento – Customer Session Not working in magento 2

customer-sessionmagento2

This is my code,

   $objectManager = \Magento\Framework\App\ObjectManager::getInstance();
   $customerSession = $objectManager->create('Magento\Customer\Model\Session');

   if ($customerSession->isLoggedIn()) {
        $customerSession->getCustomerId();  // get Customer Id
        $customerSession->getCustomerGroupId();
        $customerSession->getCustomer();
        $customerSession->getCustomerData();
        $myemail=(string)$customerSession->getCustomer()->getEmail();
        echo $myemail;

same code I run Custom module its getting customer email , but, I paste same code other magento core module, Now if condition failed if($customerSession->isLoggedIn()) why? how to solve this problem.

Best Answer

I am facing same problem when Cache enable I am not able to get customer session.But I find below solution

    /**
     * @var \Magento\Customer\Model\Session
     */
    protected $_customerSession;

    public function __construct(Template\Context $context,
            \Magento\Framework\App\Request\Http $request,
            \Magento\Customer\Api\CustomerRepositoryInterface $customerRepository,
            \Magento\Customer\Model\SessionFactory $customerSession
        ) 
    {
        $this->request = $request;
        $this->customerRepository = $customerRepository;
        $this->_customerSession = $customerSession;
        parent::__construct($context);
    }

    public function getCustomerId(){
        $customer = $this->_customerSession->create();
        var_dump($customer->getCustomer()->getId());
    }

Use above code in block It is working even cache is enable.

Second Solution:

Add cacheable="false" in your xml 

<referenceContainer name="content">
     <block class="Vendor\Modulename\Block\Customer" name="customer.session.data" template="Vendor_Modulename::customertab.phtml" cacheable="false" />
 </referenceContainer>

Add below code in block:

    /**
     * @var \Magento\Customer\Model\Session
     */
    protected $_customerSession;

    /**
     * Construct
     *
     * @param \Magento\Framework\View\Element\Template\Context $context
     */
    public function __construct(Template\Context $context,
            \Magento\Framework\App\Request\Http $request,
            \Magento\Customer\Api\CustomerRepositoryInterface $customerRepository,
            \Magento\Customer\Model\Session $customerSession
        ) 
    {
        $this->request = $request;
        $this->customerRepository = $customerRepository;
        $this->_customerSession = $customerSession;
        parent::__construct($context);
    }

    public function getOrderData(){
        $customerId = $this->_customerSession->getCustomerId();
        return $customerId;
    }
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