Customer grid "last logged in" column not showing online users

Question

In the customer grid, which is accessable through the main menu point Customers I have a user that has a blank last logged in column. When I look in the details off that user by clicking the edit link in the row I can clearly see, that the user has logged in AND is still online.

How can I show the last logged in date of online users in the grid?

Answer 1

Follow following step:

1. Create Vendor/Module/view/adminhtml/ui_component/customer_listing.xml

<?xml version="1.0" encoding="UTF-8"?>
<listing xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Ui:etc/ui_configuration.xsd">
    <columns name="customer_columns" class="Magento\Customer\Ui\Component\Listing\Columns">
        <column name="last_login_at">
            <argument name="data" xsi:type="array">
                <item name="config" xsi:type="array">
                    <item name="filter" xsi:type="string">text</item>
                    <item name="label" xsi:type="string" translate="true">Last Logged In</item>
                    <item name="sortOrder" xsi:type="number">1000</item>
                </item>
            </argument>
        </column>
    </columns>
</listing>

2. Create Vendor/Module/etc/di.xml

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <type name="Magento\Framework\View\Element\UiComponent\DataProvider\CollectionFactory">
        <arguments>
            <argument name="collections" xsi:type="array">
                <item name="customer_listing_data_source" xsi:type="string">Vendor\Module\Model\ResourceModel\Grid\Collection</item>
            </argument>
        </arguments>
    </type>
    <virtualType name="Vendor\Module\Model\ResourceModel\Grid\Collection">
        <arguments>
            <argument name="mainTable" xsi:type="string">customer_grid_flat</argument>
            <argument name="resourceModel" xsi:type="string">Magento\Customer\Model\ResourceModel\Customer</argument>
        </arguments>
    </virtualType>
</config>

3. Create Vendor/Module/Model/ResourceModel/Grid/Collection.php

namespace Vendor\Module\Model\ResourceModel\Grid;

use Magento\Framework\View\Element\UiComponent\DataProvider\SearchResult;

class Collection extends SearchResult
{
    /**
     * Init collection select
     *
     * @return $this
     */
    protected function _initSelect()
    {
        parent::_initSelect();
        $this->getSelect()->join(
            ['customer_log' => $this->getTable('customer_log')],
            'customer_log.customer_id = main_table.entity_id',
            ['last_login_at']
        );
        return $this;
    }
}

Clear cache.

Answer 2

Use $this->getSelect()->joinLeft( instant of $this->getSelect()->join(, This way you could show all the customers. Otherwise it will show only customers who have logged in before.