[console] Add UserBase.php Command class. (#3563)

* [console] Add UserBase.php Command class.

* [console] Remove PHPStorm docblock.

src/Command/User/UserBase.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Drupal\Console\Command\User;
+
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\Console\Core\Command\Command;
+
+/**
+ * Class UserBase
+ *
+ * @package Drupal\Console\Command\User
+ */
+class UserBase extends Command
+{
+    /**
+     * @var EntityTypeManagerInterface
+     */
+    protected $entityTypeManager;
+
+    /**
+     * Base constructor.
+     *
+     * @param EntityTypeManagerInterface $entityTypeManager
+     */
+    public function __construct(
+        EntityTypeManagerInterface $entityTypeManager
+    ) {
+        $this->entityTypeManager = $entityTypeManager;
+        parent::__construct();
+    }
+
+    /**
+     * @param $user mixed
+     *
+     * @return mixed
+     */
+    public function getUserEntity($user)
+    {
+        if (is_numeric($user)) {
+            $userEntity = $this->entityTypeManager
+                ->getStorage('user')
+                ->load($user);
+        } else {
+            $userEntity = reset(
+                $this->entityTypeManager
+                    ->getStorage('user')
+                    ->loadByProperties(['name' => $user])
+            );
+        }
+
+        return $userEntity;
+    }
+}