Add login users trait

composer.json

@@ -1,8 +1,10 @@
 {
     "name": "vohinc/km-socialite",
     "type": "library",
+    "description": "KM socialite plugin",
     "require": {
-        "laravel/socialite": "^3.0"
+        "laravel/socialite": "^3.0",
+        "illuminate/routing": "^5.4"
     },
     "authors": [
         {

src/LoginUsers.php

@@ -0,0 +1,70 @@
+<?php
+
+namespace Voh\KmSocialite;
+
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Auth;
+use Laravel\Socialite\Facades\Socialite;
+
+/**
+ * Trait LoginUsers
+ * @package Voh\KmSocialite
+ */
+trait LoginUsers
+{
+    /**
+     * Where to redirect users after login.
+     *
+     * @var string
+     */
+    protected $redirectTo = '/';
+
+    /**
+     * Create a new controller instance.
+     *
+     */
+    public function __construct()
+    {
+        $this->middleware('guest')->except('logout');
+    }
+
+    /**
+     * @return mixed
+     */
+    public function oauth()
+    {
+        return Socialite::driver('km')->redirect();
+    }
+
+    /**
+     * @return mixed
+     */
+    public function login()
+    {
+        /** @var \Laravel\Socialite\Two\User $rawUser */
+        $rawUser = Socialite::driver('km')->user();
+
+        $user = $this->performLogin($rawUser);
+
+        Auth::login($user);
+
+        return redirect(session('url.intended', $this->redirectTo));
+    }
+
+    /**
+     * Log the user out of the application.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @return \Illuminate\Http\Response
+     */
+    public function logout(Request $request)
+    {
+        Auth::guard()->logout();
+
+        $request->session()->flush();
+
+        $request->session()->regenerate();
+
+        return redirect('/');
+    }
+}