How is an email availability checked on the frontend checkout's «Shipping Address» step?

dmitry_fedyuk · April 9, 2017, 4:04pm

Magento_Customer/js/action/check-email-availability

magento/magento2/blob/2.1.5/app/code/Magento/Customer/view/frontend/web/js/action/check-email-availability.js#L13-L33


return function (deferred, email) {
    return storage.post(
        urlBuilder.createUrl('/customers/isEmailAvailable', {}),
        JSON.stringify({
            customerEmail: email
        }),
        false
    ).done(
        function (isEmailAvailable) {
            if (isEmailAvailable) {
                deferred.resolve();
            } else {
                deferred.reject();
            }
        }
    ).fail(
        function () {
            deferred.reject();
        }
    );
};

Magento_Customer/etc/webapi.xml

github.com

magento/magento2/blob/2.1.5/app/code/Magento/Customer/etc/webapi.xml#L221-L226


<route url="/V1/customers/isEmailAvailable" method="POST">
    <service class="Magento\Customer\Api\AccountManagementInterface" method="isEmailAvailable"/>
    <resources>
        <resource ref="anonymous"/>
    </resources>
</route>

Magento\Customer\Api\AccountManagementInterface::isEmailAvailable()

github.com

magento/magento2/blob/2.1.5/app/code/Magento/Customer/Api/AccountManagementInterface.php#L188-L196


/**
 * Check if given email is associated with a customer account in given website.
 *
 * @param string $customerEmail
 * @param int $websiteId If not set, will use the current websiteId
 * @return bool
 * @throws \Magento\Framework\Exception\LocalizedException
 */
public function isEmailAvailable($customerEmail, $websiteId = null);

Magento_Customer/etc/di.xml

github.com

magento/magento2/blob/2.1.5/app/code/Magento/Customer/etc/di.xml#L34-L35


<preference for="Magento\Customer\Api\AccountManagementInterface"
            type="Magento\Customer\Model\AccountManagement" />

Magento\Customer\Api\AccountManagement::isEmailAvailable()

github.com

magento/magento2/blob/2.1.5/app/code/Magento/Customer/Model/AccountManagement.php#L889-L900


public function isEmailAvailable($customerEmail, $websiteId = null)
{
    try {
        if ($websiteId === null) {
            $websiteId = $this->storeManager->getStore()->getWebsiteId();
        }
        $this->customerRepository->get($customerEmail, $websiteId);
        return false;
    } catch (NoSuchEntityException $e) {
        return true;
    }
}

dmitry_fedyuk · May 19, 2018, 9:30am

A post was split to a new topic: Why do I get the «Invalid Form Key. Please refresh the page» response to my custom storage.post() call?