Add another example

Author: alexkart

composer.json

@@ -1,7 +1,8 @@
 {
     "autoload": {
         "psr-4": {
-            "Alexkart\\Looker\\": "src/"
+            "Alexkart\\Looker\\": "src/",
+            "App\\": "examples/"
         }
     },
     "require": {

examples/Looker.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App;
+
+class Looker extends \Alexkart\Looker\Looker {
+    protected function storeAccessToken($accessToken): void {
+        file_put_contents(__DIR__ . DIRECTORY_SEPARATOR . 'looker_access_token.txt', $accessToken);
+    }
+
+    protected function loadAccessToken(): string {
+        return (string)file_get_contents(__DIR__ . DIRECTORY_SEPARATOR . 'looker_access_token.txt');
+    }
+}

examples/test1.php

@@ -0,0 +1,12 @@
+<?php
+
+require_once(dirname(__DIR__) . '/vendor/autoload.php');
+
+$looker = new \App\Looker(
+    'https://looker-host:19999/api/3.1',
+    'client-id',
+    'client-secret',
+);
+
+$looks = $looker->lookApi->searchLooks(null, 'test');
+var_dump($looks);

src/Looker.php

@@ -50,12 +50,13 @@ class Looker {
      * @var void
      */
     private $config;
+    private bool $accessTokenRenewed = false;
 
     public function __construct(string $host, string $clientId, string $clientSecret, string $accessToken = '') {
         $this->host = $host;
         $this->clientId = $clientId;
         $this->clientSecret = $clientSecret;
-        $this->accessToken = $accessToken;
+        $this->accessToken = $accessToken ?: $this->loadAccessToken();
         $this->login();
     }
 
@@ -78,6 +79,7 @@ public function login(): void {
             try {
                 $result = $apiInstance->login($this->clientId, $this->clientSecret);
                 $this->accessToken = $result->getAccessToken();
+                $this->accessTokenRenewed = true;
             } catch (Exception $e) {
                 echo 'Exception when calling ApiAuthApi->login: ', $e->getMessage(), PHP_EOL;
             }
@@ -89,6 +91,10 @@ public function login(): void {
                 'Authorization' => 'token ' . $this->accessToken,
             ],
         ]);
+
+        if ($this->accessTokenRenewed) {
+            $this->storeAccessToken($this->accessToken);
+        }
     }
 
     public function invalidateAccessToken(): void {
@@ -98,4 +104,18 @@ public function invalidateAccessToken(): void {
     public function getAuthenticatedClient() {
         return $this->authenticatedClient;
     }
+
+    protected function storeAccessToken($accessToken): void {
+    }
+
+    protected function loadAccessToken(): string {
+        return '';
+    }
+
+    /**
+     * @return string
+     */
+    public function getAccessToken(): string {
+        return $this->accessToken;
+    }
 }