Allow going back to a previous commit

src/Controller/HistoryController.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Controller;
+
+use App\Entity\Snip;
+use App\Service\SnipServiceFactory;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Annotation\Route;
+
+#[Route('/history/{snip}', name: 'history')]
+class HistoryController extends AbstractController
+{
+    public function __construct(
+        private readonly SnipServiceFactory $snipServiceFactory,
+    )
+    {
+    }
+
+    #[Route('/', name: '_index')]
+    public function index(Snip $snip): Response
+    {
+        return $this->render('history/index.html.twig', [
+            'snip' => $snip,
+            'commits' => $this->snipServiceFactory->create($snip)->getRepo()->getAllCommits(),
+        ]);
+    }
+
+    #[Route('/set/{commit}', name: '_set')]
+    public function set(Snip $snip, string $commit): Response
+    {
+        $this->snipServiceFactory->create($snip)->getRepo()->checkout($commit);
+        $this->addFlash('success', 'Snip version set to ' . $commit);
+        return $this->redirectToRoute('snip_single', ['snip' => $snip->getId()]);
+    }
+}

src/Git/CustomGitRepository.php

@@ -7,6 +7,10 @@ use DateTime;
 
 class CustomGitRepository extends GitRepository
 {
+    /**
+     * @return SimpleCommit[]
+     * @throws \CzProject\GitPhp\GitException
+     */
     public function getAllCommits(): array
     {
         $result = $this->run('log', '--pretty=%H,%cI');
@@ -18,10 +22,10 @@ class CustomGitRepository extends GitRepository
         $commits = [];
         foreach ($result->getOutput() as $line) {
             $parts = explode(',', $line);
-            $commits[] = [
-                'hash' => $parts[0],
-                'date' => new DateTime($parts[1]),
-            ];
+            $commits[] = new SimpleCommit(
+                $parts[0],
+                new DateTime($parts[1])
+            );
         }
 
         return $commits;

src/Git/SimpleCommit.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Git;
+
+use DateTime;
+
+class SimpleCommit
+{
+
+    public function __construct(
+        private readonly string $hash,
+        private readonly DateTime $date,
+    )
+    {
+    }
+
+    public function getHash(): string
+    {
+        return $this->hash;
+    }
+
+    public function getDate(): DateTime
+    {
+        return $this->date;
+    }
+}

src/Service/SnipService.php

@@ -4,7 +4,6 @@ namespace App\Service;
 
 use App\Entity\User;
 use App\Git\CustomGitRepository;
-use CzProject\GitPhp\GitRepository;
 
 class SnipService
 {
@@ -42,7 +41,7 @@ class SnipService
         return file_get_contents($this->getSnipPath());
     }
 
-    public function getRepo(): GitRepository
+    public function getRepo(): CustomGitRepository
     {
         return $this->repo;
     }