feat(user): add changelog read tracking and unread count method

app/Livewire/SettingsDropdown.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace App\Livewire;
+
+use App\Services\ChangelogService;
+use Illuminate\Support\Facades\Auth;
+use Livewire\Component;
+
+class SettingsDropdown extends Component
+{
+    public $showWhatsNewModal = false;
+
+    public function getUnreadCountProperty()
+    {
+        return Auth::user()->getUnreadChangelogCount();
+    }
+
+    public function getEntriesProperty()
+    {
+        $user = Auth::user();
+
+        return app(ChangelogService::class)->getEntriesForUser($user);
+    }
+
+    public function openWhatsNewModal()
+    {
+        $this->showWhatsNewModal = true;
+    }
+
+    public function closeWhatsNewModal()
+    {
+        $this->showWhatsNewModal = false;
+    }
+
+    public function markAsRead($identifier)
+    {
+        app(ChangelogService::class)->markAsReadForUser($identifier, Auth::user());
+    }
+
+    public function markAllAsRead()
+    {
+        app(ChangelogService::class)->markAllAsReadForUser(Auth::user());
+    }
+
+    public function render()
+    {
+        return view('livewire.settings-dropdown', [
+            'entries' => $this->entries,
+            'unreadCount' => $this->unreadCount,
+        ]);
+    }
+}