Clean up v2 api points.

app/Api/V2/Controllers/Model/Budget/IndexController.php

@@ -0,0 +1,76 @@
+<?php
+
+/*
+ * ListController.php
+ * Copyright (c) 2022 james@firefly-iii.org
+ *
+ * This file is part of Firefly III (https://github.com/firefly-iii).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace FireflyIII\Api\V2\Controllers\Model\Budget;
+
+use FireflyIII\Api\V2\Controllers\Controller;
+use FireflyIII\Exceptions\FireflyException;
+use FireflyIII\Repositories\Budget\BudgetRepositoryInterface;
+use FireflyIII\Transformers\V2\BudgetTransformer;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+use Illuminate\Pagination\LengthAwarePaginator;
+
+/**
+ * Class IndexController
+ */
+class IndexController extends Controller
+{
+    private BudgetRepositoryInterface $repository;
+
+    public function __construct()
+    {
+        parent::__construct();
+        $this->middleware(
+            function ($request, $next) {
+                $this->repository = app(BudgetRepositoryInterface::class);
+
+                return $next($request);
+            }
+        );
+    }
+
+    /**
+     * This endpoint is documented at:
+     * https://api-docs.firefly-iii.org/?urls.primaryName=2.0.0%20(v2)#/budgets/listBudgets
+     *
+     * @param Request $request
+     *
+     * @return JsonResponse
+     */
+    public function index(Request $request): JsonResponse
+    {
+        $pageSize = $this->parameters->get('limit');
+        $collection = $this->repository->getActiveBudgets();
+        $total      = $collection->count();
+        $collection->slice($pageSize * $this->parameters->get('page'), $pageSize);
+
+        $paginator   = new LengthAwarePaginator($collection, $total, $pageSize, $this->parameters->get('page'));
+        $transformer = new BudgetTransformer();
+
+        return response()
+            ->api($this->jsonApiList('budgets', $paginator, $transformer))
+            ->header('Content-Type', self::CONTENT_TYPE);
+    }
+}