Improve api operations

Change directory structure
Add bitinflow-accounts socialite provider
Improve docs generation

src/GhostZero/BitinflowAccounts/Socialite/Provider.php

@@ -0,0 +1,89 @@
+<?php
+
+namespace GhostZero\BitinflowAccounts\Socialite;
+
+use GhostZero\BitinflowAccounts\Enums\Scope;
+use Illuminate\Support\Arr;
+use Laravel\Socialite\Two\ProviderInterface;
+use SocialiteProviders\Manager\OAuth2\AbstractProvider;
+use SocialiteProviders\Manager\OAuth2\User;
+
+/**
+ * @author René Preuß <rene@preuss.io>
+ */
+class Provider extends AbstractProvider implements ProviderInterface
+{
+
+    /**
+     * Unique Provider Identifier.
+     */
+    const IDENTIFIER = 'BITINFLOW_ACCOUNTS';
+
+    /**
+     * {@inheritdoc}
+     */
+    protected $scopes = [Scope::READ_USER];
+
+    /**
+     * {@inherticdoc}.
+     */
+    protected $scopeSeparator = ' ';
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAuthUrl($state)
+    {
+        return $this->buildAuthUrlFromBase(
+            'https://accounts.bitinflow.com/oauth/authorize', $state
+        );
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getTokenUrl()
+    {
+        return 'https://accounts.bitinflow.com/oauth/token';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getUserByToken($token)
+    {
+        $response = $this->getHttpClient()->get(
+            'https://accounts.bitinflow.com/api/user', [
+            'headers' => [
+                'Accept' => 'application/json',
+                'Authorization' => 'Bearer ' . $token,
+            ],
+        ]);
+
+        return json_decode($response->getBody()->getContents(), true);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function mapUserToObject(array $user)
+    {
+        return (new User())->setRaw($user)->map([
+            'id' => $user['id'],
+            'nickname' => $user['name'],
+            'name' => $user['name'],
+            'email' => Arr::get($user, 'email'),
+            'avatar' => $user['avatar'],
+        ]);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getTokenFields($code)
+    {
+        return array_merge(parent::getTokenFields($code), [
+            'grant_type' => 'authorization_code',
+        ]);
+    }
+}