phase 3

app/Http/Controllers/EventController.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Event;
+use App\Models\Issue;
+use App\Models\Project;
+use Illuminate\Http\Request;
+use Illuminate\View\View;
+
+class EventController extends Controller
+{
+    public function show(Request $request, Project $project, Issue $issue, Event $event): View
+    {
+        $this->authorizeProject($request, $project);
+        abort_unless($issue->project_id === $project->id, 404);
+        abort_unless($event->issue_id === $issue->id, 404);
+
+        $previousEvent = Event::where('issue_id', $issue->id)
+            ->where('timestamp', '<', $event->timestamp)
+            ->orderByDesc('timestamp')
+            ->first();
+
+        $nextEvent = Event::where('issue_id', $issue->id)
+            ->where('timestamp', '>', $event->timestamp)
+            ->orderBy('timestamp')
+            ->first();
+
+        return view('events.show', [
+            'project' => $project,
+            'issue' => $issue,
+            'event' => $event,
+            'previousEvent' => $previousEvent,
+            'nextEvent' => $nextEvent,
+        ]);
+    }
+
+    private function authorizeProject(Request $request, Project $project): void
+    {
+        abort_unless(
+            $request->user()->projects()->where('projects.id', $project->id)->exists(),
+            403,
+        );
+    }
+}