MAGETWO-75524: Add Role column to admin user grid #10891

Author: vrann

app/code/Magento/User/Model/ResourceModel/User/Collection.php

@@ -22,4 +22,23 @@ protected function _construct()
     {
         $this->_init(\Magento\User\Model\User::class, \Magento\User\Model\ResourceModel\User::class);
     }
+
+    /**
+     * Collection Init Select
+     *
+     * @return $this
+     */
+    protected function _initSelect()
+    {
+        parent::_initSelect();
+        $this->getSelect()->join(
+            ['user_role' => $this->getTable('authorization_role')],
+            'main_table.user_id = user_role.user_id',
+            []
+        )->join(
+            ['detail_role' => $this->getTable('authorization_role')],
+            'user_role.parent_id = detail_role.role_id',
+            ['role_name']
+        );
+    }
 }

app/code/Magento/User/view/adminhtml/layout/adminhtml_user_grid_block.xml

@@ -74,6 +74,13 @@
                             <argument name="index" xsi:type="string">email</argument>
                         </arguments>
                     </block>
+                    <block class="Magento\Backend\Block\Widget\Grid\Column" as="role_name">
+                        <arguments>
+                            <argument name="header" xsi:type="string" translate="true">Role</argument>
+                            <argument name="index" xsi:type="string">role_name</argument>
+                            <argument name="filter_index" xsi:type="string">detail_role.role_name</argument>
+                        </arguments>
+                    </block>
                     <block class="Magento\Backend\Block\Widget\Grid\Column" as="is_active">
                         <arguments>
                             <argument name="header" xsi:type="string" translate="true">Status</argument>