Added endpoint for current time entry

app/Http/Controllers/Api/V1/UserTimeEntryController.php

@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Http\Controllers\Api\V1;
+
+use App\Http\Resources\V1\TimeEntry\TimeEntryResource;
+use App\Models\Organization;
+use App\Models\TimeEntry;
+use App\Models\User;
+use Illuminate\Database\Eloquent\ModelNotFoundException;
+use Illuminate\Http\Resources\Json\JsonResource;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\Log;
+
+class UserTimeEntryController extends Controller
+{
+    /**
+     * Get the active time entry of the current user
+     *
+     * This endpoint is independent of organization.
+     *
+     * @operationId getMyActiveTimeEntry
+     */
+    public function myActive(): JsonResource
+    {
+        /** @var User $user */
+        $user = Auth::user();
+
+        $activeTimeEntriesOfUser = TimeEntry::query()
+            ->whereBelongsTo($user, 'user')
+            ->whereNull('end')
+            ->orderBy('start', 'desc')
+            ->get();
+
+        if ($activeTimeEntriesOfUser->count() > 1) {
+            Log::warning('User has more than one active time entry.', [
+                'user' => $user->getKey(),
+            ]);
+        }
+
+        $activeTimeEntry = $activeTimeEntriesOfUser->first();
+
+        if ($activeTimeEntry !== null) {
+            return new TimeEntryResource($activeTimeEntry);
+        } else {
+            throw new ModelNotFoundException('No active time entry');
+        }
+    }
+}