From ec518226828bb7ee847662ef20edfc708e692ca7 Mon Sep 17 00:00:00 2001
From: Viktor Khokhryakov <viktor.khokhryakov@gmail.com>
Date: Mon, 4 Jun 2018 14:15:03 +0400
Subject: [PATCH] README.md

---
 README.md | 82 +++++++++++++++++++++++++++++++++----------------------
 1 file changed, 50 insertions(+), 32 deletions(-)

diff --git a/README.md b/README.md
index 660badc..6b294ec 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,10 @@ Yii2 LTI Tool Provider
 
 LTI Tool Provider library for Yii2
 
+[![Latest Stable Version](https://poser.pugx.org/izumi-kun/yii2-lti-tool-provider/v/stable)](https://packagist.org/packages/izumi-kun/yii2-lti-tool-provider)
+[![Total Downloads](https://poser.pugx.org/izumi-kun/yii2-lti-tool-provider/downloads)](https://packagist.org/packages/izumi-kun/yii2-lti-tool-provider)
+[![License](https://poser.pugx.org/izumi-kun/yii2-lti-tool-provider/license)](https://packagist.org/packages/izumi-kun/yii2-lti-tool-provider)
+
 Installation
 ------------
 
@@ -14,40 +18,54 @@ Usage
 -----
 
 1. Add namespaced migrations: `izumi\yii2lti\migrations`. Apply new migrations.
-2. Add module to web-config:
 
-```php
-$config = [
-    'modules' => [
-        'lti' => [
-            'class' => \izumi\yii2lti\Module::class,
+2. Add module to web-config:
+    ```php
+    $config = [
+        'modules' => [
+            'lti' => [
+                'class' => \izumi\yii2lti\Module::class,
+            ],
         ],
-    ],
-];
-```
-
-3. Connect action:
+    ];
+    ```
 
-```php
-    public function actionLtiConnect()
+3. Create connect action:
+    ```php
+    use izumi\yii2lti\Module;
+    use izumi\yii2lti\ToolProviderEvent;
+    use Yii;
+    use yii\web\Controller;
+    
+    class ConnectController extends Controller
     {
-        /* @var Module $module */
-        $module = Yii::$app->getModule('lti');
-
-        // launch action
-        $module->on(Module::EVENT_LAUNCH, function (ToolProviderEvent $event){
-            $tool = $event->sender;
-
-            // $userPk can be used for user identity
-            $userPk = $tool->user->getRecordId();
-            $isAdmin = $tool->user->isStaff() || $tool->user->isAdmin();
-
-            Yii::$app->session->set('isAdmin', $isAdmin);
-            Yii::$app->session->set('userPk', $userPk);
-
-            $this->redirect($isAdmin ? ['site/admin'] : ['site/index']);
-        });
-
-        return $module->handleRequest();
+        public $enableCsrfValidation = false;
+    
+        public function actionIndex()
+        {
+            /* @var Module $module */
+            $module = Yii::$app->getModule('lti');
+    
+            // launch action
+            $module->on(Module::EVENT_LAUNCH, function (ToolProviderEvent $event){
+                $tool = $event->sender;
+    
+                // $userPk can be used for user identity
+                $userPk = $tool->user->getRecordId();
+                $isAdmin = $tool->user->isStaff() || $tool->user->isAdmin();
+    
+                Yii::$app->session->set('isAdmin', $isAdmin);
+                Yii::$app->session->set('userPk', $userPk);
+    
+                $this->redirect(['site/index']);
+                $tool->ok = true;
+            });
+    
+            $module->on(Module::EVENT_ERROR, function (ToolProviderEvent $event){
+                Yii::error($event->sender->reason);
+            });
+    
+            return $module->handleRequest();
+        }
     }
-```
+    ```