add auto update feature

app/Space/SiteApi.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Laraspace\Space;
+
+use GuzzleHttp\Client;
+use GuzzleHttp\Exception\RequestException;
+
+trait SiteApi
+{
+
+    protected static function getRemote($url, $data = array())
+    {
+        $base = 'https://codeload.github.com/';
+
+        $client = new Client(['verify' => false, 'base_uri' => $base]);
+
+        $headers['headers'] = array(
+            'Accept'        => 'application/json',
+            'Referer'       => url('/'),
+            'crater'        => getFullVersion()
+        );
+
+        $data['http_errors'] = false;
+
+        $data = array_merge($data, $headers);
+
+        try {
+            $result = $client->get($url, $data);
+        } catch (RequestException $e) {
+            $result = $e;
+        }
+
+        return $result;
+    }
+}

app/Space/Updater.php

@@ -0,0 +1,97 @@
+<?php
+namespace Laraspace\Space;
+
+use File;
+use ZipArchive;
+use Artisan;
+use GuzzleHttp\Exception\RequestException;
+use Laraspace\Space\SiteApi;
+use Laraspace\Events\UpdateFinished;
+
+class Updater
+{
+    use SiteApi;
+
+    public static function update($alias, $installed, $version)
+    {
+        $data = null;
+        $path = null;
+
+        $url = 'laraspace/laraspace/zip/master';
+
+        $response = static::getRemote($url, ['timeout' => 50, 'track_redirects' => true]);
+
+        // Exception
+        if ($response instanceof RequestException) {
+            return [
+                'success' => false,
+                'errors' => 'Download Exception',
+                'data' => [
+                    'path' => $path
+                ]
+            ];
+        }
+
+        if ($response && ($response->getStatusCode() == 200)) {
+            $data = $response->getBody()->getContents();
+        }
+
+        // Create temp directory
+        $path = 'temp-' . md5(mt_rand());
+        $path2 = 'temp2-' . md5(mt_rand());
+        $temp_path = storage_path('app/temp') . '/' . $path;
+        $temp_path2 = storage_path('app/temp') . '/' . $path2;
+
+        if (!File::isDirectory($temp_path)) {
+            File::makeDirectory($temp_path);
+            File::makeDirectory($temp_path2);
+        }
+
+        $file = $temp_path . '/upload.zip';
+
+        // Add content to the Zip file
+        $uploaded = is_int(file_put_contents($file, $data)) ? true : false;
+
+        if (!$uploaded) {
+            return false;
+        }
+
+        // Unzip the file
+        $zip = new ZipArchive();
+
+        if ($zip->open($file)) {
+            $zip->extractTo($temp_path2);
+        }
+
+        $zip->close();
+
+        // Delete zip file
+        File::delete($file);
+
+        if (!File::copyDirectory($temp_path2, base_path())) {
+            return false;
+        }
+
+        // Delete temp directory
+        File::deleteDirectory($temp_path);
+        File::deleteDirectory($temp_path2);
+
+        Artisan::call('cache:clear');
+
+        try {
+            event(new UpdateFinished($alias, $installed, $version));
+
+            return [
+                'success' => true,
+                'errors' => false,
+                'data' => []
+            ];
+        } catch (\Exception $e) {
+            return [
+                'success' => false,
+                'errors' => 'Update error',
+                'data' => []
+            ];
+        }
+    }
+}