initial version

src/Api.php

@@ -0,0 +1,40 @@
+<?php declare(strict_types=1);
+
+namespace Demostf\Migrate;
+
+use GuzzleHttp\Client;
+
+class Api {
+    private $endpoint;
+    private $client;
+
+    public function __construct($endpoint) {
+        $this->endpoint = $endpoint;
+        $this->client = new Client();
+    }
+
+    public function listDemos(int $page = 0, string $order = 'DESC', $backend = ''): array {
+        $url = $this->endpoint . '/demos?page=' . $page . '&order=' . $order . '&backend=' . $backend;
+        $content = file_get_contents($url);
+        $demos = json_decode($content, true);
+        foreach ($demos as &$data) {
+            $date = new \DateTime();
+            $date->setTimestamp($data['time']);
+            $data['time'] = $date;
+        }
+        return $demos;
+    }
+
+    public function changeDemo(int $id, string $backend, string $path, string $url, string $hash, string $key): bool {
+        $request = $this->client->post($this->endpoint . '/demos/' . $id . '/url', [
+            'form_params' => [
+                'hash' => $hash,
+                'backend' => $backend,
+                'url' => $url,
+                'path' => $path,
+                'key' => $key
+            ]
+        ]);
+        return $request->getStatusCode() === 200;
+    }
+}

src/Migrate.php

@@ -0,0 +1,38 @@
+<?php declare(strict_types=1);
+
+namespace Demostf\Migrate;
+
+class Migrate {
+    private $api;
+    private $store;
+    private $backend;
+    private $key;
+
+    public function __construct(Api $api, Store $store, string $backend, string $key) {
+        $this->api = $api;
+        $this->store = $store;
+        $this->backend = $backend;
+        $this->key = $key;
+    }
+
+    public function migrateDemo(array $demo): bool {
+        if (!$this->store->exists($demo['name'])) {
+            return false;
+        }
+
+        $hash = $this->store->hash($demo['name']);
+
+        if ($hash !== $demo['hash']) {
+            throw new \Exception('hash mismatch');
+        }
+
+        return $this->api->changeDemo(
+            $demo['id'],
+            $this->backend,
+            $this->store->generatePath($demo['name']),
+            $this->store->generateUrl($demo['name']),
+            $hash,
+            $this->key
+        );
+    }
+}

src/Store.php

@@ -0,0 +1,33 @@
+<?php declare(strict_types=1);
+
+namespace Demostf\Migrate;
+
+class Store {
+    private $baseDir;
+    private $baseUrl;
+
+    public function __construct($baseDir, $baseUrl) {
+        $this->baseDir = $baseDir;
+        $this->baseUrl = $baseUrl;
+    }
+
+    public function hash(string $name): string {
+        return md5_file($this->generatePath($name));
+    }
+
+    public function generatePath(string $name): string {
+        return $this->baseDir . $this->getPrefix($name) . $name;
+    }
+
+    private function getPrefix(string $name): string {
+        return '/' . substr($name, 0, 2) . '/' . substr($name, 2, 2) . '/';
+    }
+
+    public function exists(string $name): bool {
+        return file_exists($this->generatePath($name));
+    }
+
+    public function generateUrl(string $name) {
+        return $this->baseUrl . $this->getPrefix($name) . $name;
+    }
+}